Tube Tech MP 1A Mic. Preamplifier and DI User Manual
Page 2

Lydkraft ApS
Mose Allé 20, DK 2610 Rødovre
Denmark
2
CONTROLS:
GAIN:
The gain switch has a range from +20dB to +70dB in steps of 5dB.
LF cut:
The high pass filter is selectable between off, 20 Hz 12dB/octave) and
40 Hz (6dB/octave).
Phantom
power:
The phantom power switch switches the +48V DC power on and off.
The +48V DC is supplied to the microphone input via two 6,81 K
resistors.
PAD:
This switch places a -20dB attenuation in front of the microphone
transformer.
040092