SOUND DEVICES
 MixPre Compact Field Mixer

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Sound Devices MixPre

Compact Field Mixer

This model has been replaced by MixPre-D

Great for use with small format digital cameras for superior audio quality! Feature packed, portable, two-channel microphone preamp/mixer. With pan switches, 1 kHz tone oscillator, and slate mic. Includes 48-volt phantom, high performance metering and headphone monitoring.  Powered from 2 AA or external DC.

C931-TA-XL-2

TA3-F to XLR-M 15" Adapter Cable


Product Code: MIXPRE

 

Key Features

  • Dynamic range exceeding 110 dB

  • 10 Hz to 50 kHz audio bandwidth

  • Maximum of 66 dB of gain per input

  • Premium Lundahl input transformers

  • Discrete 6-transistor balanced output drivers

  • Sealed, conductive plastic potentiometers

  • Seven-segment, sunlight-readable GaN LED meters

  • Phantom power, 48 volts or 15 volts

  • High-pass filters @ 80 or 160 Hz, 6 dB per octave

  • Inputs hard panned to left, center, or right outputs

  • High-power headphone monitoring

  • "Unclippable" input peak limiters via two-stage opto-isolator circuit with adjustable limiter threshold (per input)

  • Dual mono or linked stereo limiter operation

  • Two internal AA batteriesExternal 5 to 17 VDC powering

  • Power LED indicates low battery power

  • RF filtering on all inputs and outputs. Free from "Pin 1" grounding problems

  • High-strength, extruded aluminum chassis with protective metal end panels

  • All-metal connectors solidly connected to chassis
Specifications
Gain: (s/n 0503_ or greater), Mic Input to Output, per channel, continuously variable
Output: Line, Gain Range: off-66db
Output: Line, Gain Range: off-56db
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 (External): 5 - 18 VDC via 4-pin Hirose connector (pin-4 positive, pin-1 negative), voltages above 14 VDC cause no damage to unit, but will open an internal poly fuse. Poly fuse will reset when voltage is removed
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 +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, 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