M21D
Common name: Altec M21D
Production Status: Discontinued / Vintage
The M21D is a small diaphragm tube condenser microphone for broadcasting and recording applications. Includes P-525A power supply, 165A base with microphone clip, swivel head and cable.
Electrical Characteristics
Frequency Response
20Hz - 15 kHz
Output Sensitivity
31.6 mV/Pa
Max SPL
Max SPL, THD:
Self Noise (CCIR)
dB
Self Noise (DIN/IEC)
dB-A
Output Impedance
30/140/600Ω
Recommended Load
Powering
Proprietary unit
Supply Current
mA
Alternative Powering
Switchable Options
Pad
Filter/EQ
Physical Characteristics
Connector
XLR-8F
Connector notes
Available Colours
Stainless steel
Weight
70 g
Length
95 mm
Min diameter width
Max diameter
15.8 mm
Depth
Accessories
Included
P-525A power supply, 165A base with microphone clip, swivel head and cable.
Optional