Switchable tube microphone
Uses classic 6072 vacuum tube
Traditional transformer circuitry
High output level
Pressure gradient transducer
Nine directional characteristics: omni, wide angle cardioid, cardioid,hypercardioid, figure-8, and one intermediate position each

Acoustical operating principle : pressure gradient transducer
Directional pattern : Switchable 9 polar patterns
Frequency rang : 20 ~ 20 kHz
Sensitivity at 1KHz into 1Kohm : 16mV/Pa ( -36dBV, re. 0dB=1V/Pa)
Rated Impedance : 106 Ohm
Recommended load impedance : 1000 Ohm
MAX. SPL for 1% THD @1000Hz : 138 dB
Equivalent SPL DIN/IEC 651 : 19dB-A
S/N ratio DIN/IEC 651 : 75dB-A
Supply voltage : Special phantom power N95
Matching connector : 7-pin XLR (gold plated)
Diameter : 50mm
Length : 230mm
Weight : 500g