CU-29 Copperhead

Common name: Telefunken Elektroakustik CU-29 Copperhead

Production Status: Discontinued / Vintage

The CU-29 Copperhead is a large diaphragm valve cardioid condenser microphone. The circuit is based around a TK67 capsule, a NOS 6AK5W vacuum tube and a Lundahl output transformer. The CU-29 has been replaced by the TF-29 fixed cardioid and TF-39 multi-pattern microphones. Includes Power supply, microphone cable, elastic suspension and wooden microphone box.

Electrical Characteristics

Frequency Response
20Hz - 20 kHz
Output Sensitivity
14 mV/Pa
Max SPL
138
Max SPL, THD:
Self Noise (CCIR)
dB
Self Noise (DIN/IEC)
16 dB-A
Output Impedance
200Ω
Recommended Load
1kΩ
Powering
Supply Current
mA
Alternative Powering
Tube Model
EF95 - 6AK5 (W) - 5654 (Russian 6Zh1P )
Tube Brand
Telefunken

Switchable Options

Pad
Filter/EQ

Physical Characteristics

Connector
7-pin
Connector notes
Available Colours
Weight
690 g
Length
203 mm
Min diameter width
Max diameter
44 mm
Depth

Accessories

Included
Power supply, microphone cable, elastic suspension and wooden microphone box.
Optional
Flight case.