AR-51

Common name: Telefunken Elektroakustik AR-51

Production Status: Discontinued / Vintage

The AR-51 is a dual diaphragm multi-pattern tube condenser microphone. Nine polar patterns are selectable from omnidirectional to bidirectional. The circuit is based around a TK-51D capsule, a low-noise ECC83 valve and a custom Haufe output transformer. Includes power supply, microphone cable, shock-mount 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
Powering
Supply Current
mA
Alternative Powering
Tube Model
ECC81/12AT7/6201
Tube Brand
Telefunken Elektroakustik

Switchable Options

Pad
Filter/EQ

Physical Characteristics

Connector
7-pin
Connector notes
Available Colours
Black.
Weight
765 g
Length
241 mm
Min diameter width
Max diameter
44 mm
Depth

Accessories

Included
Power supply, microphone cable, shock-mount and wooden microphone box.
Optional