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.
Specifications
Pickup Patterns | Pads & Filters |
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Omnidirectional
(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) |
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Capsule Dimensions | Impedance | SPL/Noise |
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Diaphragm diameter: 26mm Diaphragm gauge: 3 microns |
n/a | Max SPL: 138 dB Self-noise: 22.0 dB(A) |
Weight | Length | Max Diameter | Interface(s) |
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n/a | 248mm (9.76'') | 60mm (2.36'') |
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Power Specifications |
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