Audio-Technica BP4071 Bruksanvisning
Sidor 2 Engels mikrofon
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LINE + GRADIENT CONDENSER MICROPHONE
- Designed for use in broadcasting, lm/TV production, and
theater sound reinforcement applications
- Direct-coupled, balanced output ensures a clean signal even in
high-output conditions
- Innovative acoustic design provides same directivity as mics up
to 50% longer
- Rugged housing made of lightweight structural-grade aluminum
alloy
- Transformerless design for improved pickup of transients
- Switchable 80 Hz high-pass lter & 10 dB pad
The BP4071 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
at frequency response to a low-end roll-off. The roll-off position
reduces the microphone's sensitivity to popping in close vocal
use. It also reduces the pickup of low-frequency ambient noise
(such as trafc, air-handling systems, etc.), room reverberation
and mechanically-coupled vibrations.
The BP4071 is also equipped with a switchable 10 dB pad that
lowers the microphone's sensitivity, thus providing higher SPL
capability for exible use for a wide range of speakers/performers
and system congurations.
The microphone is RoHS compliant–free from all substances
specied in the EU directive on hazardous substances.
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-L0148-08-E
10 dB
20k10k5k2k1k50020010050
8 kHz
200 Hz
1 kHz
5 kHz
0°
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
same as 1 kHz
Machida • Tokyo • Japan
SPECIFICATIONS
ELEMENT Externally polarized (DC bias)
capacitor
POLAR PATTERNLine + gradient
FREQUENCY RESPONSE20-20,000 Hz
LOW FREQUENCY ROLL-OFF80 Hz, 12 dB/octave
OPEN CIRCUIT SENSITIVITY-29 dB (35.5 mV) re 1V at 1 Pa
IMPEDANCE50 ohms
MAXIMUM INPUT SOUND LEVEL141 dB SPL, 1 kHz at 1% T.H.D.;
151 dB SPL, with 10 dB pad
NOISE13 dB SPL
DYNAMIC RANGE (typical)128 dB, 1 kHz at Max SPL
SIGNAL-TO-NOISE RATIO81 dB, 1 kHz at 1 Pa
PHANTOM POWER REQUIRMENTS48V DC, 4.6 mA typical
SWITCHESFlat, roll-off; 10 dB pad (nominal)
WEIGHT (less cable and accessories)136 g
DIMENSIONS 395.0 mm long,
21.0 mm diameter
OUTPUT CONNECTORIntegral 3-pin XLRM-type
ACCESSORIES FURNISHEDAT8405a stand clamp for ⅝"-27
threaded stands;
AT8145 windscreen;
two o-rings;
⅝"-27 to ⅜"-16 threaded adapter;
protective carrying case
Roll-off
Produktspecifikationer
| Varumärke: | Audio-Technica |
| Kategori: | mikrofon |
| Modell: | BP4071 |
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