670
Common name: Altec 670
Production Status: Discontinued / Vintage
The 670 is a multipattern ribbon microphone featuring an acoustic labirinth to achieve d0ifferent polar patterns response. It is a multipurpose microphone ideal for broadcast, speech and music recording applications. An improved “B” version featured a narrower and thinner ribbon element as well as a different coupling transformer.
Electrical Characteristics
Frequency Response
100Hz - 10 kHz
Output Sensitivity
mV/Pa
Max SPL
Max SPL, THD:
Self Noise (CCIR)
dB
Self Noise (DIN/IEC)
dB-A
Output Impedance
50/250Ω
Recommended Load
Powering
Supply Current
mA
Alternative Powering
Switchable Options
Pad
Filter/EQ
Physical Characteristics
Connector
XLR-3M
Connector notes
Available Colours
Weight
Length
Min diameter width
Max diameter
Depth
Accessories
Included
Optional