Audio-Technica AT4049b Manual


Læs nedenfor 📖 manual på dansk for Audio-Technica AT4049b (2 sider) i kategorien Mikrofon. Denne guide var nyttig for 18 personer og blev bedømt med 4.5 stjerner i gennemsnit af 2 brugere

Side 1/2
OMNIDIRECTIONAL CONDENSER MICROPHONE
- Specially engineered to meet the most critical acoustic requirements
of professional recording, broadcast and sound reinforcement
- Direct-coupled, balanced output results in a clean signal even under
high-output conditions
- Transformerless circuitry virtually eliminates low-frequency distortion
and provides superior correlation of high-speed transients
- Switchable 80 Hz hi-pass lter and 10 dB pad
- Rugged turned-brass microphone housing for enduring
dependability
- State-of-the-art design and manufacturing techniques ensure
compliance with A-T’s stringent consistency and reliability standards
The AT4049b is intended for use in professional applications where
remote power is available. It requires 48V DC phantom power, which
may be provided by a mixer or console, or by a separate, in-line
source such as the Audio-Technica AT8801 single-channel or AT8506
four-channel phantom power supplies.
Output from the microphone's XLRM-type connector is low
impedance (Lo-Z) balanced. The signal appears across Pins 2 and
3; Pin 1 is ground (shield). Output phase is “Pin 2 hot” positive
acoustic pressure produces positive voltage at Pin 2.
To avoid phase cancellation and poor sound, all mic cables must be
wired consistently: Pin 1-to-Pin 1, etc.
An integral 80 Hz hi-pass filter provides easy switching from a flat
frequency response to a low-end roll-off. The high-pass position
reduces the microphone's sensitivity to popping in close vocal use.
It also reduces the pickup of low-frequency ambient noise (such
as traffic, air-handling systems, etc.), room reverberation and
mechanically coupled vibrations.
The AT4049b consists of two modular subassemblies: an
AT4900b-48 body and an AT4049b-EL head capsule (both available
separately). Additional interchangeable capsules are available in
cardioid (AT4051b-EL) and hypercardioid (AT4053b-EL).
Avoid leaving the microphone in the open sun or in areas where
temperatures exceed 43°C for extended periods. Extremely high
humidity should also be avoided.
FORM No. ATGC-L0156-09-E
Machida Tokyo Japan
SPECIFICATIONS
ELEMENT Externally polarized (DC bias)
capacitor
POLAR PATTERN Omnidirectional
FREQUENCY RESPONSE 20-20,000 Hz
OPEN CIRCUIT SENSITIVITY -34 dB (19.9 mV) re 1V at 1 Pa
IMPEDANCE 50 ohms
MAXIMUM INPUT SOUND LEVEL 146 dB SPL, 1 kHz at 1% T.H.D.;
155 dB SPL, with 10 dB pad (nominal)
NOISE 16 dB SPL
DYNAMIC RANGE (typical) 129 dB, 1 kHz at Max SPL
SIGNAL-TO-NOISE RATIO 78 dB, 1 kHz at 1Pa
LOW FREQUENCY ROLL-OFF 80 Hz, 12 dB/octave
PHANTOM POWER REQUIREMENTS 48V DC, 4.8 mA typical
SWITCH Flat, roll-off; 10 dB pad (nominal)
WEIGHT (less accessories) 130 g
DIMENSIONS 155.0 mm - long,
21.0 mm - maximum body diameter
OUTPUT CONNECTOR Integral 3-pin XLRM-type
ACCESSORIES FURNISHED AT8405a stand clamp for ⅝”-27
threaded stand; windscreen;
protective carrying case
10 dB
20k10k5k2k1k50020010050
8 kHz
200 Hz
1 kHz
5 kHz
330°
300°
270°
240°
210°
180°
150°
120°
90°
60°
30°
Polar Pattern
Frequency Response
SCALE IS 5 DECIBELS PER DIVISION
LEGEND
Frequency in Hertz
LEGEND 12” or more on axis
Response in dB
Optional Accessories:
AT4051b-EL cardioid microphone capsule.
AT4053b-EL hypercardioid microphone
capsule.
AT8506 four-channel 48V phantom power
supply (AC powered).
AT8801/EU single-channel 48V phantom
power supply (AC powered).
Roll-off


Produkt Specifikationer

Mærke: Audio-Technica
Kategori: Mikrofon
Model: AT4049b

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