Designed for high-definition field production applications, the Sound Devices MP-1 is a single channel microphone preamp that delivers studio grade audio in a portable, lightweight package. The unit features a transformer balanced XLR microphone input and line level output resulting in high gain and low noise floor. A large gain adjustment dial provides up to 66dB of gain in eleven discrete steps.
A 3-position phantom power switch enables 12 Volt or 48 Volt phantom power for condenser microphones. A low-cut filter switch eliminates noise due to wind and proximity effect at 80Hz or 160Hz (user switchable). Peak limiter switch moderates signal peaks, eliminating distortion due to signal over load. The MP-1 is powered with 2 AA batteries for approximately 24 hours.
| Inputs | 1 - XLR 3-pin female, transformer-balanced |
| Output | 1 - XLR 3-pin male, transformer-balanced |
| Monitor/Headphone Out | No |
| ALT I/O | No |
| Link Input/Output | No |
| Impedance |
Input: 2000 ohms Output: 130 ohms |
| Gain | 0dB to 66dB input to output, switch selectable |
| Hum & Noise |
EIN: -126dBu (-128 dBV) max 150 ohm source, flat weighting, 22 - 22kHz bandwidth, gain setting 36dB or greater) |
| Frequency Response |
20Hz - 22kHz, +0.1, -0.5dB, -1dB at 50kHz (relative to 1kHz level with 150 ohm source) |
| Distortion |
0.05% max. (from 60Hz to 22kHz @ +4dBu output level, 22Hz - 22kHz filter bandwidth, +46dB gain setting) |
| Metering |
Power LED Green: Indicates power and full battery Red: Indicates power and low battery - red status indicates 4 hours of battery life remain |
| Control Voltage Out | No |
| Phantom Power | +48V & +12V |
| Operating Temperature | 0 to 70 degrees C (32 to 1 degrees F) |
| Power |
2-AA alkaline batteries 24 hours life typical with +4 dBu signal into 600 ohms, no phantom power |
| Dimensions | 1.7 x 3.7 x 5.5" (43 x 94 x 140 mm) (HxWxD) |
| Weight | 1.24 lbs (0.56 kg) |