Lawson Inc L47MP MKII
Multi-Pattern Tube Condenser Microphone
The L47 is a recreation and reinterpretation of the Neumann U47. It is a continuously-variable multipattern tube condenser microphone with several interesting characteristics.
The pattern-selection switch on the power supply allows selection of an infinite number of pickup patterns, as well as a Cardioid-only mode that increases the mic’s sensitivity by 3dB and lowers the noise floor by 3dB. In “multipattern” mode, which is indicated by a blue LED within the mic’s headbasket, the polar pattern is sweepable from Omni to Figure-8.
The capsule in the L47fet was designed by Gene Lawson, and is based on the M7 capsule originally used in the U47/U48 microphones. Note that the M7 used a relatively thick PVC diaphragm, whereas Lawson’s capsule uses a very thin (3-micron) diaphragm mostly likely made of Mylar.
The amp circuit’s 6N1P tube is socketed in a high-end socket employing “heavily gold-plated beryllium copper contacts;” it promises low-noise operation and long tube life.
The output circuit uses a Lundahl transformer.
The Lawson Inc L47MP MKII is also known as: L47MP.
The mic was released in 1997.
|Pickup Patterns||Pads & Filters|
(11.4 mV/Pa; 20 - 20,000 Hz)
Cardioid (18.2 mV/Pa; 20 - 20,000 Hz)
Bidirectional (11.4 mV/Pa; 20 - 20,000 Hz)
| Diaphragm diameter: 26mm
Diaphragm gauge: 3 microns
|n/a||Max SPL: 138 dB
Self-noise: 22.0 dB(A)
|n/a||248mm (9.76'')||60mm (2.36'')||
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