
Capsule: Custom all-brass K67-style, gold-sputtered dual diaphragm.
Tube: Military-grade NOS 6AU6 vacuum tube.
Transformer: Custom Lundahl transformer (Sweden).
Polar Patterns: Cardioid and omnidirectional (switchable).
Frequency Response: 20 Hz – 20 kHz.
Max SPL: 131 dB (cardioid), 134 dB (omni).
Sensitivity: –33 dB/Pa (cardioid), –36 dB/Pa (omni).
Self-Noise (A-weighted): 15 dB (cardioid), 17 dB (omni).
Signal-to-Noise Ratio: 76 dB (cardioid), 73 dB (omni).
Output Impedance: 100 Ω.
Dynamic Range: ~113 dBA.
Physical & Power
Dimensions: ~7.5″ length × ~2.5″ diameter.
Weight: ~13.3 lbs.
Connector: XLR via external power supply.
Power: External grounded 7-pin IEC power supply (included).



