L251 Tube Microphone Specifications

Omni Response
Cardioid Response
Figure 8 Response

L251 Specifications Summary
Frequency Range 20 to 20 kHz
Polar Patterns Cardioid, omni -directional, figure 8, and infinite intermediate patterns; also cardioid-only position
Sensitivity at 1 kHz

11.6 mV @ 1 Pascal (94 dB SPL)
18 mV (cardioid only position)

Max SPL (1 kHz 3%)

134 dB
(144 dB SPL with -10 dB pad)

Equivalent Noise Level 16 dBA multi-pattern
13 dBA cardioid-only mode
Rated Impedance 150 ohms
Tube 6N1P dual triode
Connector 7-pin gold-plated XLR
Pad -10 dB
Dimensions Mic: 9.75"L, 2.375"D
Supply: 8"L X 4.375"W X 2.625"H
Shipping Weight 14 lbs.
Power Supply 100/120/200/220/240 VAC factory set
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