1 kHz tone oscillator, and headphone monitoring, the MixPre is a fl exible, portable mixer. The MixPre has impressive audio performance and comprehensive fea- tures, making it ideal for the front end of any studio or fi eld production system. Radio, television, and fi...
MixPre User Guide and Technical Information Specifi cations Gain: Mic Input to Output, per channel, continuously variable Output Gain Range Line Off–66 dB Tape Off–52 dB Frequency Response: 20 Hz–30 kHz, +0.2, –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, fl...
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Indicates peak output level in dBu appearing monitored in the headphones. The center posi- at the left and right outputs. tion is MixPre program audio. The left and right positions monitor tape return audio; the Headphone Connector left position is locking, and the right position is Accepts stereo and mono headphones with momentary.
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MixPre User Guide and Technical Information Input Panel Connectors and Controls TAPE OUT TAPE RTN LEVEL LINK THRESHOLD LIMITER MIC INPUTS PHANTOM Mic Inputs High-Pass Filter Switch Transformer-balanced XLR inputs accepts Three-position switch selects 80 Hz or 160 Hz microphone level signals. Pin 2 = hot, pin 3 = corner frequency fi...
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Attachment point for camera straps. lows external audio sources to be monitored in External DC Power Input the MixPre Headphone circuit. Tip = left, ring = Accepts external DC power source (battery right, sleeve = ground. supply or AC to DC transformer) from 5–18 Left and Right Line-Level Outputs VDC.
The “Mix” in MixPre The MixPre pan switches assign each input channel to an output bus. With this feature, the MixPre can be used as a two-channel microphone preamplifi er and as a simple mixer. As a mixer, many applications are possible, such as: •...
When possible, attempt to equalize at the sound source with microphone selection, use of windscreens, shock mounts, microphone placement, and onboard microphone fi ltering. Multiple high pass fi lters (fi lters on microphones and on the MixPre) will give an additive effect, increasing the slope of the fi lter. Headphone Monitoring Tape Return Headphone monitoring is an essential need in production audio.
Power Sources The MixPre is designed to operate from two internal AA alkaline cells for approximately 6 hours with typical signal levels (without phantom power). External DC sources such as AC to DC transformers and external battery supplies can also power the MixPre.
Current Draw The MixPre can vary signifi cantly in the amount of current it draws. Several functions of the MixPre directly affect current draw in different ways. The following list highlights the larger current drawing functions (listed from highest to lowest current draw).
ONE (1) year from date of original retail purchase. This is a non-transferable warranty that extends only to the original purchaser. Sound Devices, LLC will repair or replace the product at its discretion at no charge. Warranty claims due to severe service conditions will be addressed on an individual basis.
MixPre User Guide and Technical Information CE Declaration of Conformity According to ISO/IEC Guide 22 Sound Devices, LLC 300 Wengel Drive Reedsburg, WI 53959 USA declares that the product, MixPre is in conformity with and passes: Document Number Description 89/336/EED EMC Directive EN55103-1 (1997)
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