Front Panel Controls And Indicators - Sound Devices MP-1 User Manual And Technical Information

MP-1 Microphone Preamplifier
User Guide and Technical Documentation

Front Panel Controls and Indicators

1. LIMITER/Peak LED
Bi-color LED illuminates red at 3 dB below
clipping; illuminates amber to indicate limiter
activity.
2. LIMITER Switch
Activates the peak limiter. Limits to +17 dBu
output.
3. High-Pass Filter Switch
Three-position switch selects inserts an 80 Hz
or 160 Hz corner frequency filter, 6 dB per
octave. Center position of switch removes the
filter from the signal path.
Back Panel Connectors and Controls
7. BATTERY Compartment
Requires two AA batteries for operation. Insert
positive (+) end of battery first.
8. LINE OUT
Transformer balanced XLR line-level output.
+22 dBu peak output level.
page 6
SOUND DEVICES
46
42
36
80 28
ON
FLAT
18
0
160
GAIN (dB)
LIMITER
1 2 3 4
4. Rotary Gain Switch
PHANTOM
5. POWER Switch
SOUND DEVICES
42
6. POWER LED
BATTERIES
36
LINE OUT
80 28
ON
FLAT
18
0
160
GAIN (dB)
LIMITER
PHANTOM
BATTERIES
LINE OUT
7 8
9. PHANTOM Power Switch
10. MIC IN
MP-1 MIC PRE
50
54
58
ON
62
66
POWER
5 6
Selects the amount of gain from input to out-
put, adjustable in 11 increments.
Powers the unit when switch is in the up posi-
MP-1 MIC PRE
48 V
tion.
OFF
46
50
12 V
54
Bi-color LED illuminates green when the unit
MIC IN
is powered and changes to red when approxi-
58
ON
mately four hours of battery life remain.
62
66
POWER
48 V
OFF
12 V
MIC IN
9 10
Three-position switch selects either 48-volt or
12-volt phantom power. Center position turns
phantom power off.
Transformer-balanced XLR input accepts
microphone level signals