REL Acoustics T/5X Manual
REL Acoustics
Subwoofer
T/5X
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Operang Instrucons for the
Serie T/x
Sub-Bass
System
1
FCC STATEMENT
This device complies with Part 15 of the FCC Rules. Operaon is subject to the following two condions:
(1) This device may not cause harmful interference, and
(2) This device must accept any interference received, including interference that may cause
undesired operaon.
NOTE: This equipment has been tested and found to comply with the limits for a Class B digital Device, pursuant to Part 15 of the
FCC Rules. These limits are designed to provide reasonable protecon against harmful interference in a residenal installaon.
This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the
instrucons, may cause harmful interference to radio communicaons. However, there is no guarantee that the interference will
not occur in a parcular installaon. If this equipment does cause harmful interference to radio or television recepon, which can
be determined by turning the equipment o and on, the user is encouraged to try and correct the interference by one or more of
the following measures:
Reorient or relocate the receiving antenna.
Increase the separaon between the equipment and receiver.
Connect the equipment into an outlet on a circuit dierent from that to which the receiver is connected.
Consult the dealer or an experienced radio/TV technician for help.
2
Cauon Marking Explanaon
The lightning ash with arrowhead symbol within an equilateral triangle is intended to alert the
user to the presence of un-insulated dangerous voltage within the product’s enclosure that may
be of sucient magnitude to constute a risk of electric shock to persons.
The exclamaon point within an equilateral triangle is intended to alert the user to the presence
of important operang and maintenance (servicing) instrucons in the literature accompanying
the appliance.
3
1 Read all of these instrucons.
2 Save these instrucons for future use.
3 Heed all warnings.
4 Follow all instrucons.
5 Do not use this apparatus near water.
6 Clean only with automove polish and micro ber cloth.
7 Install in accordance with the manufacturer’s instrucons.
8 Do not install near any heat sources such as radiators, heat registers, stoves or other apparatus (including
ampliers) that produce heat.
9 Do not defeat the safety purpose of the grounding-type plug. A grounding type plug has two blades and
a third grounding prong. The third prong is provided for your safety. If the provided plug does not t into
your outlet, consult and electrician for replacement of the obsolete outlet.
10 Protect the power cord from being walked on or pinched parcularly at plugs, convenience receptacles,
and the point where they exit from the apparatus.
11 Only use aachments/accessories specied by the manufacturer.
12 Use only with a cart, stand, tripod, bracket, or table specied by the manufacturer, or sold with the apparatus.
When a cart is used, use cauon when moving the cart/apparatus combinaon to avoid injury from p-over.
13 Unplug this apparatus during lightning storms or when unused for long periods of me.
14 Refer all servicing to qualied service personnel. Servicing is required when the apparatus has been damaged
in any way, such as power-supply cord or plug is damaged, liquid has been spilled or objects have fallen
into the apparatus, the apparatus has been exposed to rail or moisture, does not operate normally, or
has been dropped.
15 Minimum distances 10cm around the apparatus for sucient venlaon.
Important Safety Instrucons
4
16 The venlaon should not be impeded by covering the venlaon openings with items, such as newspapers,
table-cloths, curtains, etc.
17 No naked ame sources, such as lighted candles, should be placed on the apparatus.
18 Aenon should be drawn to the environmental aspects of baery disposal.
19 The use of apparatus in moderate climates.
20 Baeries shall not be exposed to excessive heat such as sunshine, re or the like.
Cauon: Any changes or modicaons not expressly approved by the party responsible for compliance
could void the user’s authority to operate this equipment.
Warning
To reduce the risk of re or electric shock, do not expose this apparatus to rain or moisture.
The apparatus shall not be exposed to dripping or splashing and no objects lled with liquids, such as vases,
shall be placed on apparatus.
The mains plus is used as disconnect device. The mains plug of the apparatus should not be obstructed OR
should be easily accessed during intended use. To be completely disconnected from the power input, the
mains plug of the apparatus shall me disconnected from the mains.
An appliance with a protecve earth terminal should be connected to a mains outlet with a protecve
earth connecon.
Design Safety
These apparatus are supplied with a detachable mains cord. For 230V operaon a 1.6A fuse is ed in
the socket of the T/5x, a 2A fuse is ed in the socket of the T/7x and a 3.15A fuse is ed in the socket of
the T/9x, for 120V operaon a 3.15A fuse is ed for the T/5x, a 4A fuse is ed for the T/7x and a 6.3A
fuse is ed for the T/9x. Should the fuse need to be replaced use a similar rated fuse approved to ASTA or
BSI 362 standards. Do not use without the fuse cover in place. Replacement fuse covers are available from
your distributor.
5
Aenon Explicaon Marquage
L’éclair avec le symbole de pointe de èche dans un triangle équilatéral est desné à alerter
l’ ulisateur de la présence de non isolée tension dangereuse à l’intérieur de l’enceinte du
produit qui peut être d’une ampleur susante pour constuer un risque d’électrocuon pour
les personnes.
Le point d’exclamaon dans un triangle équilatéral est desné à alerter l’ulisateur de la
présence d’instrucons dans la documentaon accompagnant l’appareil exploitaon et de
maintenance (entreen).
6
1 Lisez aenvement ces instrucons.
2 Conservez ces instrucons.
3 Respectez tous les averssements.
4 Suivez toutes les instrucons.
5 Ne pas uliser cet appareil près de l’eau.
6 Neoyez seulement avec du vernis automobile et ssu microbre.
7 Installer conformément aux instrucons du fabricant.
8 Ne pas installer près de sources de chaleur telles que des radiateurs, registres de chaleur, poêles ou autres
appareils (y compris les amplicateurs) qui produisent de la chaleur.
9 Ne pas contourner le disposif de sécurité de la prise de terre. Une che de terre a deux lames et une
troisième broche de mise à la terre. La troisième broche est fournie pour votre sécurité. Si la che fournie
ne rentre pas dans votre prise, consultez un électricien pour le remplacement de la prise obsolète.
10 Protégez le cordon d’alimentaon ne soit piéné ou pincé, en parculier au niveau des ches, des prises
de courant, et le point de sore de l’appareil.
11 Ulisez uniquement des xaons / accessoires spéciés par le fabricant.
12 Ulisez seulement avec un chariot, stand, trépied, support ou table spécié par le fabricant, ou vendu
avec l’appareil. Lorsque vous ulisez un chariot, soyez prudent lorsque vous déplacez l’ensemble chariot /
appareil pour éviter les blessures en cas de chute.
13 Débranchez cet appareil pendant un orage ou lorsqu’il est inulisé storsm pour de longues périodes de temps.
14 Conez toute réparaon à un personnel qualié. Une réparaon est nécessaire lorsque l’appareil a été
endommagé de quelque façon que ce cordon d’alimentaon ou la che est endommagé, du liquide a
été renversé ou des objets sont tombés dans l’appareil, l’appareil a été exposé à rail ou à l’humidité, ne
fonconne pas normalement, ou a été échappé.
Informaons Importantes Relaves a la Securite
7
15 10cm distance minimale autour de l’appareil pour une aéraon susante.
16 Il convient que l’aéraon ne soit pas gênée par l’obstrucon des ouvertures d’aéraon par des objets tels
que journaux, nappes, rideaux, etc.
17 Il convient de ne pas placer sur l’appareil de sources de ammes nues, telles que des bougies allumées.
18 Il convient d’arer l’aenon sur les problèmes d’environnement dus à la mise au déchet des piles.
19 Si l’appareil est desné à être ulisé sous un climat tempéré.
20 Les baeries ne doivent pas être exposées à une chaleur excessive telle que celle du soleil, d’un feu ou d’origine.
Averssement
Cet arcle est lourd. Pour éviter tout risque de blessure, prendre soin lors de la manipulaon.
L’ appareil ne doit pas être exposé à des éclaboussures et aucun objet rempli de liquide, comme des vases,
ne doit être placé sur l’appareil.
Les conduites Plus est ulisé comme disposif de déconnexion. La che de l’appareil ne doit pas être
obstruée OU doit être facilement accessible pendant l’ulisaon. Pour être complètement déconnecté de
l’alimentaon électrique, le cordon d’alimentaon de l’appareil doit me débranché.
Un appareil avec une borne de terre doit être branché sur une prise de courant en étant relié à la terre.
Aenon: Tout changement ou modicaon non expressément approuvés par la pare responsable de la
conformité pourraient annuler l’autorité de l’ulisateur à uliser cet équipement.
Sécurité Design
Ces appareils sont fournis avec un cordon secteur amovible. Pour un fonconnement à 230 V, un fusible de
1,6 A est installé dans la prise du T/5x, un fusible de 2 A est installé dans la prise du T/7x et un fusible de
3,15 A est installé dans la prise du T/9x, pour un fonconnement à 120 V un fusible de 3,15 A est installé
pour le T/5x, un fusible de 4 A est installé pour le T/7x et un fusible de 6,3 A est installé pour le T/9x. Si le
fusible doit être remplacé, ulisez un fusible de même calibre approuvé selon les normes ASTA ou BSI 362.
Ne pas uliser sans le couvercle du fusible en place. Des couvercles de fusibles de rechange sont disponibles
auprès de votre distributeur.
8
Thank you for placing your trust in us and welcome to the REL family. While we make products far more
expensive than the T/x range, these T/x models are so very important to us. Experience has taught us that if
you have a wonderful experience with this range, you will understand in a deeper way what we’re about as
a company and be more likely to become a repeat customer in the future.
The Serie T/x took us a long me to develop, principally because we could not conceive of a way to dramacally
improve upon the prior T/i models. But aer almost two years of design meengs, engineering, sampling,
and tesng, improve we did. And in absolutely every way possible. Our design team is sll a lile amazed,
as these new designs have taken on some of the sonic aspects of the upmarket Serie S.
Our approach was to begin with carefully increasing the internal cabinet volume. This releases more energy
for the same amplicaon. Doing so necessitated a complete redesign of each driver’s suspension, each
passive radiator’s suspension and a total revamp of the internal damping we use. This last part is essenal
because when you are imparng more energy within the cabinet, it must be dealt with sympathecally.
The sonic results are spectacular; a massive increase in dynamics, speed and openness resulted from this
approach. One that then forced us to completely re-calibrate all of our levels and limiters. Many months
were consumed performing this painstaking ne tuning. At the very end of this process, a new transistor
within the ultra-reliable Class A/B ampliers was specied which yielded even more improvements to
transparency over the enre sonic spectrum. What we deliver in Serie T/x now represents lessons derived
from our larger Serie S models, rather than minor upgrades to an older line.
Thank you again for taking this journey with us, we’re very proud of what the team accomplished in the T/x
and look forward to hearing your experiences with our newest members of the REL family.
Best,
J
John Hunter
Head of Design and Acouscs
REL Acouscs, Ltd.
Dear Friend and Valued Customer
9
1 Wireless Interface Socket: Used to connect to Arrow™ Wireless.
2 Phase: Used to set phase 0-180 degrees.
3 Hi/Low Level: Volume control for High/Low Input. Use to adjust output when using either High Level or
Low Level input.
4 Crossover: Used to adjust crossover frequency of Hi/Low Level channel. Variable between 20-120Hz.
5 Low-Level RCA Input: Used to connect low-level signals to the sub-bass system from the output of a
preamplier, integrated amplier or receiver. (For home cinema use, use .1/LFE input).
6 .1/LFE Level: Used to adjust output level when using .1/LFE input from a surround-sound processor.
7 High Level Input (Neutrik Speakon): Used to connect to the main front amplier speaker terminals.
8 .1/LFE RCA Input: Used to connect to the .1/LFE output of a surround-sound processor.
9 Power Pilot Light: Power On/O indicator.
10 Power On/O Switch: Use to turn unit on or o.
11 IEC Mains Socket: Fused mains (AC) input socket that accepts detachable power cord.
REL SERIE T/x Rear Panel Connecon Legend
10
8
9
10
11
1
2
3 4
5 6
7
11
High Level Input
Connecons should be made to the same binding post on main amplier as the main speakers. Red to
amplier main right speaker red terminal, yellow to amplier main le speaker red terminal and black to
amplier main speaker black terminal, right or le but not both. (See Connecng and seng up secon
below for details on integraon with Class D and Dierenal type amplier designs). Plug the Neutrik®
Speakon® plug into the HI LEVEL Speakon® socket.
.1 Input
This requires an RCA to RCA cable and is a dedicated true .1 channel. This circuit therefore eliminates the
normal Natural RollO™ Crossover and passes the .1 low-level signal through with only the required 120Hz
fourth-order lter.
Low Level Input
The RCA input allows for convenonal connecon from one channel of a preamplier. This connecon is
necessary when using acve, powered speakers or when connecng to certain soundbars. Plug one end of
an RCA to RCA cable into the LOW LEVEL INPUT of the REL and the other end into the le or right channel
output of your preamplier.
Phase Switch
Used to set phase. Phase Switch on remote control is momentary. Refer to display for 0 or 180 degree
status. Phase selecon aects High Level, Low Level and .1/LFE inputs.
PHASE SELECTION AFFECTS BOTH HIGH AND LOW LEVEL INPUTS
Crossover is always engaged for high and low level inputs. The .1/LFE signal does not pass through the
crossover circuit.
Connecvity and Funconality
12
Always switch o your system before disconnecng any wires.
To increase the versality of connecng up, the Serie T/x models have three separate inputs. A high-level
input socket, a .1/LFE RCA input, and a low-level RCA input. This is to facilitate use with both two-channel
stereo systems and AV surround sound systems.
The high-level, unbalanced, dual-channel (stereo) input is via a Neutrik® Speakon® connector is designed to
accept the stereo (two-channel) signals from the speaker terminals of your receiver, integrated amplier or
basic amplier. This has the advantage of ensuring that your subwoofer receives exactly the same signal as
the main speakers, which means that the character of the bass from the main system is carried forward into
the Sub-Bass System.
This is a very important point and together with REL’s Natural RollO™ circuitry, ensures far superior system
integraon of the Sub-Bass System with the main system.
STOP! Please read the following or damage can occur. Do not force the Neutrik Connector into its socket on
the rear of the amplier. Please study the Neutrik and note that the cable’s black and blue plug has a black
key, a part that locates into a corresponding slot on the amplier. Line up the cable’s connector with this slot
on the amplier. insert fully into socket and rotate clockwise unl a so “click” is heard.
To remove the Neutrik® Speakon® plug, grip body of plug, place thumb on chrome lever, move lever backwards,
rotate plug anclockwise quarter turn and withdraw.
There is a single RCA socket for low level connecon to the output of a stereo preamplier or receiver. Another
single RCA socket connects to the .1/LFE output of a home cinema processor.
HIGH LEVEL and .1/LFE inputs can be used simultaneously. The benets are two-fold when used with a
home cinema processor. The .1/LFE input reproduces the .1/LFE channel and the high-level connecon
underpins the main front speakers. The main front speakers should be set to the ‘Large’ opon on the
processor. (See “Theatre Applicaons” for more informaon).
Connecng Up
13
REL products are not tradional subwoofers, but true Sub-Bass Systems. A REL is designed to augment the
performance of “full range” speaker systems in order to provide, in certain cases, linear response below 15Hz.
Therefore, for the moment, please set aside everything you’ve been taught about subwoofers and how
they are integrated into a stereo or home cinema system. REL Sub-Bass Systems set-up and posioning
diers from convenonal subwoofers. A REL will take advantage of physics and room acouscs to provide
deep pressurizaon as no tradional subwoofer can. It is important that you bring to the set-up process a
willingness to do things a lile dierently in order to obtain these superior results. The end result of your
labors will be an uerly seamless integraon of true deep bass to a sound system, regardless of the main
speakers’ low bass capability.
Basic set-up should take no more than ten to een minutes to accomplish once connected.
Two Things Before You Begin
1 It is helpful to know that you will almost always connect the REL to the input on the rear panel labeled
“HIGH-LEVEL INPUT.” This connecon is made using the supplied 33’ 6” (10 meters) cable, the bare leads
of which connect to the speaker output terminals of the power amplier. The easy and foolproof connecon
at the REL is done with a Neutrik® Speakon® connector. The purpose of connecng to the speaker output
terminals is one of the unique secrets of REL’s success. By connecng to the High Level input on the REL
from the amplier, you build forward the sonic signature of your main system, including the tonal balance
and ming cues of the enre electronics chain. In this way, the REL is fed the exact signal that is fed to the
main speakers.
2 When possible, the REL should be placed in one of the corners behind the speakers. Remember, we are
dealing with true LOW bass pressurizaon with RELs. Low bass pressurizaon below 40Hz is best derived
from corner placement, where the most linear and ecient low bass can be produced because the
subwoofer is able to take advantage of the tangenal (corner-to-corner) axis which is typically the
longest axis in a room.
REL Set-Up Made Simple
Connecng and Seng Up
High-level connecon, using the enclosed cable with the Neutrik® Speakon® connector, is always the rst
choice. This connecon can be made without aecng the performance of the amplier because the REL’s
amplier input impedance is 150,000 ohms, in eect producing NO addional load on the rest of your system.
• The standard high-level hook up procedure is: aach the red wire to the amplier’s right posive speaker
output terminal; aach the yellow wire to the amplier’s le posive speaker output terminal; aach the
black wire to whichever of the amplier’s ground output terminals is convenient; plug the Speakon®
connector into the Sub-Bass System’s high-level input.
14
Standard High level
• For dierenal (i.e. fully balanced) ampliers using one REL, simply use the standard connecng scheme
with the excepon of NOT connecng the black wire to a negave speaker terminal. Instead, it should
rst be allowed to “oat” or hang down without connecon to ANY terminal. Should hum occur using this
method, please try connecng to an unused RCA connector on the rear of a preamp or amplier. Please
contact your dealer should there be any quesons concerning this or any other hookup procedure.
NOTE: Serie T/x models are equipped with internal circuitry to allow connecon to many Class D (digital) ampliers
Warning: Do NOT connect the Black wire to the main Class D power amplier’s speaker ground terminal.
Some Class D ampliers produce posive voltage at the amplier’s speaker ground terminal (black) and
connecng the REL’s ground will produce an undesirable shorng to ground. If connecng to a Class D
amplier, follow the above connecon procedure for dierenal ampliers.
15
Dierenal (i.e. Fully Balanced)
• When connecng RELs to Mono Bloc ampliers (2) RELs, one for each amplier, must be used. Connect
the black wire of each REL to the negave speaker terminal of the corresponding amplier channel; twist
together the red and yellow wires of each REL separately and connect each pair to the posive speaker
terminal of the corresponding amplier channel. In some instances, this will result in exceponally high
gain (output) from the RELs. If it seems simply too high in gain, please remove either the red or yellow
wire from the twisted pair. This will reduce output by half and restore a natural dynamic.
If the amplier is of balanced dierenal design, please follow the instrucons on the previous page in the
secon above labeled Dierenal Connecon.
16
Mono Bloc
Mono Bloc Dierenal
17
• If connecng a single REL as a dedicated centre channel sub, an insider p is to consider connecng to the
rear of the speaker, rather than roung the REL High Level enable all the way back to the amplier (unless
the amplier is of Class D or Dierenal output design). Connect the black wire of the REL to the negave
centre channel speaker terminal; twist together the red and yellow wires and connect this paired cable
(red/yellow paired together) to the posive centre channel speaker terminal.
• If connecng a REL as a dedicated rear channel sub, connect the black wire of the REL to either the le
rear or right rear negave speaker terminal; connect the yellow wire to the le rear posive speaker
terminal; connect the red wire to the right rear posive speaker terminal. If the amplier is of balanced
dierenal design, please follow the instrucons in the secon above labeled Dierenal Connecon.
Dedicated Centre Channel
Dedicated Rear Channel
Low-level connecon (via RCA connector) is always an opon if high-level connecon is not possible. When
connecng to the low-level inputs in a system in which high-level connecon is not possible, such as if using
internally-amplied speakers, connect le and right RCA cables between the LOW LEVEL INPUT jacks of
the REL and the le or right channel output of your preamplier. In some cases, these channels can be
combined with a “Y” cable or a dedicated SUB output.
Please consult your pre-amplier’s/integrated amplier’s manufacturer before connecng with a “Y” cable.
When connecng to a home cinema system where there is a .1/LFE channel output, connect a single RCA to RCA
or XLR to XLR cable between the sub output of the processor/receiver and the .1/LFE input jacks on the REL.
1 Posioning: The opmal posion for a single REL Serie T/x is in one of the corners behind the main speakers.
This posion provides 9 dB of mechanical amplicaon and allows for the most linear true low bass wave
launch, owing to the ability to tune the REL’s crossover to the longest distance in the room in order to produce
the longest, therefore lowest frequency, bass waves.
1a.Stereo Set-Up of Serie T/x: : (see page 11 through 12 for Stereo Set-Up procedure).When this step has
been completed, proceed to Number 2, immediately below.
2 The Process: To begin the set-up process, choose a piece of music that has a repeve bass line that is
very low in frequency. We suggest track 4 from the soundtrack to Sneakers (Columbia CK 53146). This
has a repeve bass drum throughout that gives you plenty of me to move the woofer around, but more
importantly, the venue was quite large for this recording, and therefore it has a very deep and large-scale
bass signature. This track is perfect for the set-up process and should be played at the highest reasonable
level expected for system playback.
Working with a partner, one in the listening posion and one at the REL manipulang the controls, is the
most eecve and ecient way to set up the REL. If working alone, the inial steps in the set-up can be very
eecvely carried out from the locaon of the REL. Trying to ignore all other music in the track, listen for
the bass drum and its eect on the listening room.
3 Phase Orientaon: Once in the corner, we need to adjust for phase. This may be the single most crical
step, and because it really is quite simple, it is oen over-thought. Keep in mind; the right phase is whichever
posion is the loudest or fullest. While playing music with true low bass, adjust the crossover to a point
where the REL and the speaker are sure to share frequencies at 50Hz on the crossover control, or slightly
higher for smaller speakers. At this point turn the HI/LO LEVEL control up so that both the REL and speaker
are roughly equal in volume and then switch, using the phase switch, from 0 to 180 phase posions. Again,
whichever posion is loudest or fullest is the correct posion. That is, when the posion is working
in harmony with your main speakers, reinforcing bass, not canceling it.
18
19
4 Corner Fine Tuning: (When Seng up for Stereo Serie T/x it is Possible that Placement is Not Corner Loaded
and this Step May be Omied). The next step is to determine precisely how far from the corner the sub
should be placed to achieve the most ecient output, as well as the lowest frequency extension. With the
REL fully into the corner, and poinng straight out along the diagonal coming out of the corner, connuing
to play the music, slowly pull the REL from the corner on the diagonal, equidistant from both side and rear
wall. At a certain point (somemes a maer of only a few inches, in rare cases a foot or more) the REL will
audibly go lower, play louder, and, if it truly locks on to the room and is fully pressurizing it, the air around
the REL will seem to be energized, stop right there! This is the correct posion from the corner for the REL.
5 Orientaon: Once the posion from the corner has been established, the orientaon of the woofer
must be determined by rotang the REL from an imagined centre point at the rear of the REL. As the REL is
moved from one side to the other listen for the greatest level of output and bass linearity. In eect, the REL
should be le in the posion where it is playing the loudest and lowest.
6 Crossover and Level Sengs: To determine the crossover point, take the volume of the REL (using the HI/LO
Level control) all the way down, and put the crossover to 30Hz. At this point, bring the REL’s volume back
up slowly to the point where you have achieved a subtle balance, i.e. the point at which you can just hear
the Serie T/x even with the main speakers playing. First, bring the crossover point up unl it is obviously
too high; now gently reduce frequency to the appropriate seng. For all intents and purposes, this is the
correct crossover point. Once this stage has been reached, subtle changes to volume and crossover may be
accomplished to provide the last bit of complete and seamless integraon. With that, set-up is complete.
Hint: There may be a tendency to set the crossover point too high and the volume of the Sub-Bass System
too low when rst learning how to integrate a REL with the system, the fear being one of overwhelming the
main speakers with bass. In making this common error, the resulng set-up will be lacking in bass depth and
dynamics. The proper crossover point and volume seng will increase overall dynamics, allow for extended
bass frequencies, and improve soundstage properes.
Note: volume adjustments may need to be made to oset the eects of crossover changes. In general, when
selecng a lower crossover point, more volume may need to be applied. Higher crossover frequencies will
generally necessitate less gain.
20
Stereo Set-Up of REL Serie T/x
Stereo Sub-Bass is advised for the fastest, clearest, deep bass—not for more output. Convenonal wisdom
has it that stereo subs results in between +3 and +6 db addional output depending upon posioning. In
and of itself, this is of only passing interest in most instances since even a single Serie T/x is capable of
profound output. What then, is the point to adding a second stereo sub bass Serie T/x?
In a word, clarity. Clarity that permits “seeing” back into the farthest reaches of the sound stage. Clarity that
illuminates all dimensions of the musicians and the space that they inhabit equally and enhances the natural
reality of a great full range system, as only RELs can. Stereo Serie T/x produce clarity, transparency, speed
and low level detail NOT just in the bass but throughout the enre spectrum of music.
Set-Up:
When seng up stereo Serie T/x, it is possible to place both units in the front corners of the room, carefully
toed-in and placed per normal guidance in this manual. Connect each sub to the speaker terminal outputs
based on the following diagrams for standard stereo amp, non-balanced mono blocks or balanced dierenal
mono blocks.
Stereo
21
Expert Set-Up: Preferable is to bring the subs further out into the room and place them slightly behind and
outboard of the main speakers.
1 Set each side up independently. Disconnect the sub that is not being set-up so your complete focus can
be given over to the sub that is being set-up. Carefully follow the guidance provided in standard set-up if
you are unfamiliar with standard REL set-up procedure for gain, phase and crossover sengs.
Mono Bloc Dierenal
Mono Bloc
2 Carefully ne-tune the posion of the sub in its recommended locaon (slightly behind and to the outside
of the main speaker) listening for rich powerful room nodes, but focusing on speed and connecon with
the main speaker. Since there will be a preponderance of output available to a stereo Serie T/x owner,
focusing on connecon with and blending with the main speaker becomes the primary focus, not merely
raw output.
3 Once each sub has been carefully tuned, aach the cables for both subs. At this point, the output achieved
will be too loud and will require re-seng the volume/gain control of each Carbon Special lower. This is
normal as the combined output is likely to be at least 3 db louder with both subs now being used. Start by
turning down each channel one click on the HI/LOW LEVEL control, carefully listen then adjust again unl
perfect balance is achieved. You will have to adjust on the rear of the RELs then walk back to the listening
posion to determine this balance.
22
Listening Chair
Normal Room
Listening Chair
Narrow Room
23
Theatre Applicaons
For Dolby Digital AC3 or other 5.1 theatre systems, once the standard set-up for two-channel outlined
above is complete, the LFE output from the processor or receiver should be connected to the .1/LFE INPUT
and appropriate volume adjustments made using the .1/LFE level control. For this conguraon, you must
set the processor to the “large” or “full range” seng for the le and right speakers in order for the REL to
receive the bass signal via the high-level cable. In this conguraon, the REL provides support for both the
le and right speakers for two-channel listening, and support for the LFE when movies are playing. Most
processors will allow you to defeat the subwoofer output when listening in the two-channel mode. The
eect of this set-up is one of greatly increased dynamics in the mid-bass range, no bass bloat, and a greater
degree of space and ming from the special audio eects. For an even greater sense of space and impact,
a second REL connected in parallel to the centre channel will prove to be a dramac improvement as well.
And if that is not enough, a rear REL, both to support the rear channel speakers as well as to evenly distribute
LFE through the room, truly completes the full-range sonic picture for state-of-the-art lm reproducon.
Running In
Care taken during run in will be rewarded by many years of pleasurable use. Both the electronics and the
drive unit will benet from an inial period of carefully controlled use. Possible damage may be sustained
by running in the unit at too high a volume seng over an extended period. On the other hand, by taking a
lile care over this inial period, about 24 hours of actual use, a longer life with a higher potenal eventual
performance is assured.
Care and Polishing
The cabinets are best maintained by using an automobile polish made by reputable manufacturers. Our
favorites are those made by Meguiars and Mother’s. If objects are to be placed upon the top, it is advisable
to use a small mat to protect the surface and to avoid the risk of rales.
Overload Protecon
All REL Sub-Bass Systems are designed as true sub bass speakers. They are designed to reproduce those
exceponally deep notes that are felt as well as heard. This it will aempt to do at whatever volume level
you set. If set too high no damage should result because the built-in electronics will limit the cone movement.
This electronic control is called Set-Safe™. It constantly and instantaneously monitors the output from the
power amplier and is totally transparent in operaon unl required. This means it has absolutely no eect
on the sound quality of your REL unl an overload is detected.
Ordinarily an overload would cause the power amplier to go into clipping with resultant loss of control
over the drive unit. This can cause drive unit damage, and always sounds nasty. Set-Safe™ detects the point
of incipient clipping and gently so-clips the waveform of the signal to ensure actual clipping does not occur.
This is a necessarily simplied descripon of what actually happens, but in eect, Set-Safe™ controls the
amplier and ensures there is minimum risk of amplier and driver damage caused by over-driving.
A thermal overload device is ed to all Serie T/x Sub-Bass Systems. If the unit is deliberately over-driven
this device will sense the temperature rise and cut the output; recovery me is approximately ve minutes.
If this happens, it is a warning that the unit is being over-driven and the volume level control should be
reduced to a safe level.
Although everything possible has been done to minimize risk of thermal overload failure, there can be
no defense against those individuals who deliberately abuse the device. Such damage is NOT covered by
warranty. Please remember your REL is there to supplement your main system, not overwhelm it!
Power Saving Eciency
All REL sub bass system designs ulize a true On-O switch that aords the owner the ability to turn o
their unit completely, without having to unplug the A/C mains cord. When a REL sub bass system is switched
o using the On-O switch on the rear panel it draws ZERO power.
Leaving a REL on, produces the best sonic performance and the most reliable operaon. Using this seng
ensures that the Serie T/x is ready to react instantaneously to bass transients, whether in music or lms.
24
25
Type: Front-ring acve woofer, down-ring passive radiator
Acve Drive Units: 10 in. FibreAlloy™, 254mm long-throw, inverted alloy dust cap, steel chassis
Passive Radiator: 10 in., 254mm long throw, inverted dust cap
LF Response in Room: 27Hz at -6 dB
Input Connectors: Hi Level Neutrik Speakon, Low Level phono, LFE phono
Gain Control Range: 80 dB
Power Output: 300 was (RMS)
Phase Switch: Yes, 0 or 180 degrees
Amplier Type: Class A/B
REL AirShip Wireless capability: Yes- REL Arrow system [required], sold separately
Protecon System
Fully Electronic with SET-SAFE: Yes
D.C. Fault: Yes
Output Short: Yes
Mains Input Voltage: 220-240 volts, 110-120 volts for certain markets
Fuses: 3.15 Amp semi delay 220 volts operaon
7 Amp semi delay 120 volts operaon
Dimensions (WHD): Including feet and rear panel controls
14.5 x 13.4 x 15.5 in., (370 x 340 x 393 mm)
Add 1.75in (44.5mm) in depth when using Hi Level connector
Net Weight: 45.5 lbs. (20.6 kg)
Shipping Weight: 50.0 lbs. (22.65 kg)
Finish: Gloss Piano Black or Gloss White Lacquer
Supplied Accessories
Mains Lead: Yes
Neutrik Speakon Interconnect: Yes, 10 Meters (33’6”) Nominal
Users Manual: Yes
T9/x Specicaons
26
Type: Front-ring acve woofer, down-ring passive radiator
Acve Drive Units: 8 in. FibreAlloy™, 200mm long-throw, inverted alloy dust cap, steel chassis
Passive Radiator: 10 in., 254mm long throw, inverted dust cap
LF Response in Room: 31Hz at -6 dB
Input Connectors: Hi Level Neutrik Speakon, (1) x Low Level phono, (1) x LFE phono
Gain Control Range: 80 dB
Power Output: 200 was (RMS)
Phase Switch: Yes, 0 or 180 degrees
Amplier Type: Class A/B
REL AirShip Wireless capability: Yes- REL Arrow system [required], sold separately
Protecon System
Fully Electronic with SET-SAFE: Yes
D.C. Fault: Yes
Output Short: Yes
Mains Input Voltage: 220-240 volts, 110-120 volts for certain markets
Fuses: 2 Amp semi delay 220 volts operaon
4 Amp semi delay 120 volts operaon
Dimensions (WHD): Including feet and rear panel controls
14.0 x 12.6 x 14.3 in., (356 x 320 x 363 mm)
Add 1.75in (44.5mm) in depth when using Hi Level connector
Net Weight: 38.5 lbs. (17.5 kg)
Shipping Weight: 43.0 lbs. (19.5 kg)
Finish: Gloss Piano Black or Gloss White Lacquer
Supplied Accessories
Mains Lead: Yes
Neutrik Speakon Interconnect: Yes, 10 Meters (33’6”) Nominal
Users Manual: Yes
T7/x Specicaons
Type: Down-ring acve woofer
Acve Drive Units: 8 in. FibreAlloy™, 200mm long-throw, inverted alloy dust cap, steel chassis
LF Response in Room: 32Hz at -6 dB
Input Connectors: Hi Level Neutrik Speakon, (1) x Low Level phono, (1) x LFE phono
Gain Control Range: 80 dB
Power Output: 125 was (RMS)
Phase Switch: Yes, 0 or 180 degrees
Amplier Type: Class A/B
REL AirShip Wireless capability: Yes- REL Arrow system [required], sold separately
Protecon System
Fully Electronic with SET-SAFE: Yes
D.C. Fault: Yes
Output Short: Yes
Mains Input Voltage: 220-240 volts, 110-120 volts for certain markets
Fuses: 1.6 Amp semi delay 220 volts operaon
3.15 Amp semi delay 120 volts operaon
Dimensions (WHD): Including feet and rear panel controls
11.8 x 12 x 12.3 in., (300 x 307 x 313 mm)
Add 1.75in (44.5mm) in depth when using Hi Level connector
Net Weight: 31.5 lbs. (14.3 kg)
Shipping Weight: 35.3 lbs. (16.0 kg)
Finish: Gloss Piano Black or Gloss White Lacquer
Supplied Accessories
Mains Lead: Yes
Neutrik Speakon Interconnect: Yes, 10 Meters (33’6”) Nominal
Users Manual: Yes
In the interest of product development, REL Acouscs Limited reserve the right to vary these specicaons without noce
T5/x Specicaons
27
REL Acouscs Limited
North Road, Bridgend industrial Estate . Bridgend, CF31 3TP . United Kingdom
Telephone: +44 (0)1 656 768 777 . Fax: +44 (0) 1 656 766 093
Web: www.rel.net
Produkt Specifikationer
Mærke: | REL Acoustics |
Kategori: | Subwoofer |
Model: | T/5X |
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