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Sound Devices MP-1 Portable Microphone Preamp with Phantom Power

Ideal line-driver for critical radio, television, and film applications

Sound Devices MP-1 Portable Microphone Preamp with Phantom Power

Sound Devices MP-1 Portable Microphone Preamp with Phantom Power

Ideal line-driver for critical radio, television, and film applications

SKU: MP-1

Cat no: 5503

  • Superb audio specifications
  • 66 dB of gain, in eleven discrete steps
  • Transformer-balanced input and output
  • Phantom power - 48 volt or 12 volt
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Estimated Delivery 1 to 2 days

£475.00 (ex vat) £570.00 (incl vat)

Sound Devices MP-1 Portable Microphone Preamp with Phantom Power


Designed for high-definition field production environments, the studio-quality MP-1 is an ideal line-driver for critical radio, television, and film applications.

The MP-1 is extremely durable and easy to use. With rugged mechanical and electrical construction and high-quality components, it will provide years of superb audio performance under the most punishing field conditions.

Key Features

  • Superb audio specifications
  • 66 dB of gain, in eleven discrete steps
  • Transformer-balanced input and output
  • Phantom power - 48 volt or 12 volt
  • High pass filter @  80 Hz or 160 Hz, 6 dB/octave
  • Limiter makes unit virtually "unclippable"
  • High current line output drive
  • Excellent immunity to RF interference.
  • Battery power (two x AA)
  • Durable mechanical construction

Product Specification


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)
Output Clipping Level (Line) +22 dBu minimum with 100k ohm load, +20 dBu minimum with 600 ohm load
Dynamic Range 110 dB minimum
THD + Noise 0.05% maximum (from 60 Hz to 22 kHz @ +4 dBu output level, 22 Hz - 22 kHz filter bandwidth, gain control at 50%, phantom off)
Inputs Transformer-balanced, 2k ohm input impedance
Outputs (XLR) s/n < 0507 - impedance-balanced, 120 ohm output impedance, s/n >0507 - active-balanced, 120 ohm output impedance
Outputs (Tape) Unbalanced, tip-left, ring-right, sleeve-ground, 2.4k ohm output impedance
Power (Internal) 2 AA alkaline batteries, 6 hours life typical with +4 dBu signal into 600 ohms, no phantom power
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.
Frequency Response 20 Hz - 30 kHz, +0.1, -0.5 dB; -1 dB at 5 Hz & 50 kHz (relative to 1 kHz with 150 ohm source, gain controls set at 50%)
Input Clipping Level -10 dBu minimum
Output Clipping Level (Tape) +11 dBu (2.75 V RMS) minimum with 100k ohm load
Common Mode Rejection Ratio 100 dB minimum at 80 Hz, 60 dB minimum at 10 kHz
Channel Separation Greater than 80 dB at 1 kHz (gain controls set to 50%)
High-Pass Filters 80 Hz or 160 Hz (switch selectable), 6 dB per octave
Phantom Power 48 V through 6.8k resistors or 15 V through 680 ohm resistors (switch selectable)
Limiter Thresholds adjustable per channel from -10 dBu to +17 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, regulated
Polarity All inputs to all outputs, non-inverting. Pin-2 of XLRs "hot" to unbalanced inputs and outputs.
Metering Seven segment GaN (Gallium Nitride) LED meter with three intensities, peak responding
Operating Temperature Range 0 to 70 degrees C, 32 to 160 degrees F
Dimensions 43 mm x 94 mm x 140 mm (h x w x d), (1.7" x 3.7" x 5.5")
Weight (unit only) 0.8 kg, 2.0 lbs.
Weight (packaged) 1.2 kg, 3.0 lbs.
Certifications Meets FCC Part 15 Class B, eligible to bear CE mark

Audio Equipment Cases

Quick View Sound Devices CS-MAN Utility Bag

Sound Devices CS-MAN Utility Bag

Handy to stow loose items for travel.

£18.00 (ex vat) £21.60 (incl vat)

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