Multi-Pattern Condenser Microphone
The AT4047MP is a multipattern version of Audio-Technica’s AT4047/SV. Both are FET condenser microphones with transformer-coupled output circuits, intended to “provide sonic characteristics reminiscent of early FET [microphones].”
A switch on the front of the microphone allows selection of three polar patterns: Cardioid, Omnidirectional, and Figure-of-8. The microphone also has a switchable -10dB pad, and a high-pass filter (-12dB/octave @ 80Hz); the pad and filter switches are on the rear of the microphone body.
- The MP has lower sensitivity (7.9 mV/Pa vs. 17.7 mV/Pa).
- The MP has higher self-noise (14dBA vs. 9dBA).
The mic’s center-terminated capsule is covered and surrounded by a “precision-machined, nickel-plated brass, acoustic element baffle.” Audio-Technica literature states that this perforated metal plate provides stability and “enhanced sensitivity.” It also acts as a passive equalizer.
The microphone’s included shockmount suspends the base of the mic between two elastic bands, which invariably roll and twist as the mic is inserted. The longevity of these elastic bands appears to be at risk if the microphones are detached from the mounts repeatedly.
Permalink: Audio-Technica AT4047MP
The mic was released in 2009.
|Frequency Response - OmnidirectionalClick Graph to Compare!|
|Frequency Response - CardioidClick Graph to Compare!|
|Frequency Response - BidirectionalClick Graph to Compare!|
|Pickup Patterns||Pads & Filters|
(7.9 mV/Pa; 20 - 18,000 Hz)
Cardioid (7.9 mV/Pa; 20 - 18,000 Hz)
Bidirectional (7.9 mV/Pa; 20 - 18,000 Hz)
| Diaphragm diameter: 21.4mm
Diaphragm gauge: 2 microns
|100 Ohms (Low)||Max SPL: 141 dB
Self-noise: 14.0 dB(A)
|524g (18.48oz)||188mm (7.40'')||n/a||
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