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Lawson Inc L251FET

Pricing & Availability

  • MSRP: $1,495


L251FET Documentation

CardioidLawson Inc L251FET

Cardioid Condenser Microphone

The L251FET is large diaphragm FET condenser using Lawson’s L251 capsule head and solid-state head amplifier. Lawson’s FET body is considerably smaller and lighter than their tube body designs.

The main differences between the L251 and L251FET are:

  • the L251FET has a phantom powered solid-state amplifier circuit, whereas the L251 is a tube mic with external power supply
  • L251FET has a fixed Cardioid polar pattern
  • the L251FET is smaller and lighter

The L251FET is fixed-cardioid, but its capsule head is capable of multipattern (continuously-variable) operation when connected to a tube body such as the L47MP MKII.

All Lawson mics feature a detachable, interchangeable “Quick Change” capsule head. The L251, L47, and AIR capsule can be used with either tube or FET bodies.

The Lawson Inc L251FET is also known as: L251-FET.


Pickup Patterns Pads & Filters
Cardioid (11.4 mV/Pa; 20 - 20,000 Hz)
  • Pad: -10dB (Via Switch)
  • Pad: -20dB (Via Switch)
Capsule Dimensions Impedance SPL/Noise
Diaphragm diameter: 25.4mm
Diaphragm gauge: 6 microns
150 Ohms (Low) Max SPL: 165 dB
Self-noise: 20.0 dB(A)
Weight Length Max Diameter Interface(s)
n/a 165mm (6.50'') 60mm (2.36'')
  • 3-pin XLR male (1)
Power Specifications
  • Requires phantom power
  • Phantom voltage: 48v

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