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Microphone Power Supply
Type 2804
Two Channel Battery Driven
Power Supply Type 2804
This battery driven, portable power
supply provides power for two
2619
preamplifiers.
In addition
,
it
provides either 28 V or 200 V
polarization voltage for B
&
K
condenser microphones and 2
outputs of 28 V and 2 mA each for
driving vibration pick-up
preamplifiers. The Type 2804 is part
of the B & K module system
,
making
it a convenient part of a complete
sound measuring system.
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