6
1)
output
discrete input
.
Phase reverse switch,where
11)
switch.
12)
PHASE:
STANDBY
Ovl led:
Clip led:
Signal led:
GAIN Mic/Line:
HPF:
+48V:
PAD:
Phantom led:
POWER:
The Red Led iluminate when level exceeds the maximum
level which is 3 dB
below the overload point.
2)
The Yellow Led iluminate when the input level exceeds the maximum XLR input level
which is 3 dB below the overload point.
3)
The Green Led iluminate when the input level exceeds -20dBu.
4)
An 11 position rotary switch that controls the gain of the
stage
Output level control.
6)
'+' is normal phase (input pin 2 hot), and '-' is inverted
phase (input pin 3 hot).
7)
Provides 12dB/octave low frequency rolloff 90Hz.
8)
Supplies 48 volts to the XLR inputs for condenser microphones requiring phantom
power. Avoid selecting phantom power if you are using a dynamic, ribbon or tube mics.
9)
Selects between the MIC input (via the XLR input connectors on the rear panel) and
Line levels
10)
The Red Led iluminate when the phantom power is on.
The meter light indicates that the unit is on.
5)
FRONT PANEL
STANDBY
P
H
A
S
E
P
H
A
S
E
P
H
A
S
E
P
H
A
S
E
F
I
L
T
E
R
F
I
L
T
E
R
F
I
L
T
E
R
F
I
L
T
E
R
P
H
A
N
T
O
M
P
H
A
N
T
O
M
P
H
A
N
T
O
M
P
H
A
N
T
O
M
P
A
D
P
A
D
P
A
D
P
A
D
Min
Off
Max
Max
Max
Max
MIC/LINE
GAIN
MIC/LINE
GAIN
MIC/LINE
GAIN
MIC/LINE
GAIN
O U T P U T L E V E L
O U T P U T L E V E L
C H A N N E L 8
REV
REV
0dB
0dB
NORM
NORM
2
8
8
4
6
6
2
8
8
4
6
6
+48V
+48V
90Hz
90Hz
OFF
OFF
FLAT
FLAT
-20dB
-20dB
O
O
Clip
Ovl
Sig
ON
OFF
Mp-800
EIGHT VACUUM TUBE
MICROPHONE
PREAMPLIFIER
EIGHT VACUUM TUBE
MICROPHONE
PREAMPLIFIER
P
H
A
S
E
P
H
A
S
E
F
I
L
T
E
R
F
I
L
T
E
R
P
H
A
N
T
O
M
P
H
A
N
T
O
M
P
A
D
P
A
D
Min
Min
Off
Off
Max
Max
Max
Max
MIC/LINE
GAIN
MIC/LINE
GAIN
MIC/LINE
GAIN
MIC/LINE
GAIN
O U T P U T L E V E L
O U T P U T L E V E L
C H A N N E L 1
C H A N N E L 2
REV
REV
0dB
0dB
NORM
NORM
2
2
8
8
4
4
6
6
2
2
8
8
4
4
6
6
+48V
+48V
90Hz
90Hz
OFF
OFF
FLAT
FLAT
-20dB
-20dB
O
O
Clip
Clip
Ovl
Ovl
Sig
Sig
DAX
E
E
E
E
Audio labs
1
2
3
4 5
6
7
8
9
10
11 12