INPUT 80 Hz L.F. H.F.EQ IN 12 KHz
ATTENUATE 40 Hz -10 +10 EQ OUT +10-10 8 KHz
DISCRETE DUAL MONO MICROPHONE PREAMPLIFIER
ATTENUATE
INPUT
+10-1040 Hz
L.F.80 Hz
8 KHz
12 KHz
+10-10
H.F.
EQ OUT
EQ IN
FRONT PANEL
A B C D E F G I J K L M N O P
A & P INPUT ATTENUATE This is the input level for the microphone signal. The
best setting is achieved by watching the meters of
the recording machine as you adjust this control.
B & K LOW FREQ. SELECT Selects low frequency to be boosted or cut (80 Hz
or 40 Hz).
C & L LOW FREQUENCY ADJUST Continuously variable low frequency adjust from -
10dB to +10dB.
D & M EQ IN / EQ OUT Selects EQ in the circuit or BYPASSED
completely.
E & N HIGH FREQUENCY ADJUST Continuously variable high frequency adjust from -
10 dB to +10dB.
F & O HIGH FREQUENCY SELECT Selects between 8 and 12 KHz peak adjust. Boost or
Cut for this selection is adjusted by controls E or H.
G & H PHANTOM SUPPLY SWITCH PULL this switch to unlock to change phantom
power (48 volts) for each channel. The phantom
switch locks to prevent accidental switching when
phantom power is not desired. NEVER apply
phantom volts to an unbalanced source (some
battery powered and tube mics are unbalanced).
I POWER SWITCH & LED Switch up to power ON the unit, down to power
OFF the unit.
LED Illuminates when unit is powered on.
8
