MP-2 Microphone Preamplifier
User Guide and Technical Information
Page 3
©1999-2000 Sound Devices, LLC
Front Panel Controls, Connectors, and Indicators
1.
Gain Controls
Adjusts the input gain form 16 to 66 dB via
sealed, conductive plastic rotary
potentiometers.
2.
Input Peak/Limiter LED
Two-color LED illuminates red at 3 dB below
clipping; illuminates amber to indicate limiter
activity.
3.
M/S Stereo Matrix Switch
Three-position switch assigns the MS decoder.
Left position decodes M/S to the headphones,
center position is off, and right position is M/S
decoding to the headphones and outputs (Line
Outputs and Tape Out). Connect Mid signal to
Input 1, Side signal to Input 2.
4.
Output Meter
Indicates peak output level in dBu appearing at
the left and right outputs.
5.
Meter Brightness Control Switch
Three-position switch adjusts the intensity of
illumination of the output meter; low
illumination, normal illumination, or super-
bright illumination.
6.
Tape Return Switch
Toggle switch allows external audio to be
monitored in the headphones. The center
position is MP-2 program audio. The left and
right positions monitor tape return audio; the
left position is locking, and the right position is
momentary.
7.
Headphone Connector
Accepts stereo and mono headphones with ¼”
connectors.
8.
Headphone Volume Control
Adjusts the level in the headphones.
9.
Headphone Peak LED
Illuminates 3 dB before clipping of either
channel of the headphone circuit. Also
illuminates 3 dB before clipping of either
channel of Tape Return audio.
10.
POWER Switch
Three-position switch selects the power
source. The unit is powered from internal
batteries when in the left position; powered
from external DC source when in the right
position. Center position is off.
11.
POWER LED
Two-color LED illuminates green when the unit
is powered and changes to red when batteries
require changing. For external DC, the power
LED is always green.
1
5
6
7
8
10
4
9
11
2
1
2
-30 -15
0
+4 +8 +12 +16
2
1
MP-2
PHONES
MS MATRIX
METER TAPE RTN
INT EXT
POWER
HP
ONLY
HP+
OUTS
3
