MP-2 Fact Sheet
SOUND
DEVICES
MP-2
Two-Channel
Microphone
Preamplifier
Description
Features
The MP-2 from Sound Devices is a studio-quality
two-channel, portable, stereo microphone preamplifier.
With its impressive audio performance and comprehensive
list of features including headphone monitoring, metering
and M/S stereo matrix, the MP-2 is a flexible front end
device for professional studio and field applications.
Studio, location, and live music engineers value the
compact size and ability to withstand extremes in the
field. The MP-2 combines rugged mechanical and
electronic construction, compact size, and high-quality
components. The MP-2 allows no-compromise
performance for any application.
High Performance Microphone Inputs
• Maximum of 66 dB of gain per input.
• Premium Lundahl input transformers.
• Sealed, conductive plastic potentiometers.
• 48V or 15V phantom power.
• High-pass filters, 80 Hz or 160 Hz.
Audio Performance
• Dynamic range exceeding 110 dB.
• 10 Hz to 50 kHz audio bandwidth.
• Exceptionally low distortion characteristics.
• Discrete 6-transistor balanced output drivers.
Headphone Monitoring
• Monitoring of program audio or external
stereo tape return audio.
Level Metering
• Sunlight-readable seven-segment GaN LED output meters.
• Two-color LEDs per input channel indicate clipping
and limiter activity.
M/S Stereo Matrix
• MS stereo decoder assigned to headphones, or
headphones and outputs.
Audio Limiters
• “Unclippable” input peak limiters.
• Dual mono or linked stereo limiter operation.
Flexible Powering
• Internal battery-power from two AA.
• 5 to 14 VDC external power input.
• Power LED indicates low battery power.
Trouble Free Design
• High strength, extruded aluminum chassis.
• All-metal connectors.
• Free from "Pin 1" grounding problems.
• RF filtering on all inputs and outputs.
www.sounddevices.com
MP-2
TAPE OUT
TAPE RTN
LEVEL
L
1
48V
80
LINK
15V
160
ON
2
MIC INPUTS
R
1
2
THRESHOLD
LIMITER
PHANTOM
Input Panel
TAPE RTN
1(L)
2(R)
LINE OUTPUTS
5-14 VDC
-
+
Output Panel
Specifications
Gain:
Mic Input to Output, per channel, continuously variable
Output
Line
Gain Range
16 – 66 dB
Tape
6 – 56 dB
Frequency Response
20 Hz - 30 kHz, +0.1, -0.5 dB
-1 dB at 5 Hz, 50 kHz
(relative to 1 kHz level with 150 ohm source, gain controls
set at 50%)
Equivalent Input Noise:
-126 dBu (-128 dBV) maximum
(150 ohm source, flat weighting, 22 - 22 kHz bandwidth, gain
control set at 50% or higher, phantom power off)
Input Clipping Level:
+4 dBu minimum
Output Clipping Level:
Line
+22 dBu minimum with 100k ohm load
+20 dBu minimum with 600 ohm load
Tape
+11 dBu (2.75 V RMS) minimum with 100k ohm load
Dynamic Range:
110 dB minimum
THD + Noise:
0.05% maximum
(50 Hz to 22 kHz @ +4 dBu output level)
Common Mode Rejection Ratio:
100 dB minimum at 80 Hz
60 dB minimum at 10 kHz
Inputs:
Transformer-balanced, 2k ohm input impedance
Outputs:
XLR
Active, impedance-balanced, 120 ohm output impedance
Tape (3.5 mm)
Unbalanced, tip-left, ring-right, sleeve-ground, 2.4k ohm
output impedance
High Pass Filters:
80 Hz or 160 Hz (switch selectable), 6 dB per octave
Phantom Power:
15 V through 680 ohm resistors or 48 V through
6.8k resistors (switch selectable)
Limiter:
Thresholds independently adjustable from
-10 dBu to +18 dBu
10:1 limiting ratio
5 mS attack time, 100 mS release time
Amber/Red LED indicates limiting/clipping
Dual mono or stereo linked
Internal Voltage Rails:
+15 V and -15 V, regulated
Metering:
7 segment GaN (Gallium Nitride), peak responding
Power:
Internal
2 AA alkaline batteries, 6 hours life typical, no phantom power
External
5 - 14 VDC via threaded coaxial connector
Power LED:
Green indicates power and good battery.
Red indicates power and low battery. LED turns red when
approximately 1 hour of battery life remain
(with phantom power off).
Green with external DC power.
Optional Accessory:
CS-1 Compact Production Case
XL-15 XLR to XLR Cable with 15 dB Pad
XL-40 XLR to XLR Cable with 40 dB Switched Pad
XL-TP Phantom to T-Power Adapter
SOUND DEVICES
Sound Devices, LLC
300 Wengel Drive, P.O. Box 576
Reedsburg, Wisconsin 53959 USA
tel: 608-524-0625 fax: 608-524-0655
www.sounddevices.com
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