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Studio Projects SP828
8-channel Mic Preamp / Mixer

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8-channel Mic Preamp / Mixer8-channel Mic Preamp / Mixer

Studio Projects SP828

The new Studio Projects 828 is an 8 Channel mic preamp incorporating the latest rev of Burr Brown IC's. The SP828 is also an 8X2 mixer that allows a real time mix of all 8 inputs two a stereo out buss. Housed in a 1U 19" rack, each channel on the SP828 offers:

The SP828 has individual outputs on each channel via balanced 1/4" jacks for direct feeds to any recording medium. Both line level inputs on 1/4" balanced jacks, and XLR balanced mic inputs are on the rear panel. When nothing is plugged into the line input of any channel, the mic/line switch of that channel defaults to a 20dB pad switch.

The output section has a stereo L/R output control and a headphone input with control for real time monitoring. In addition, there are L/R LED meters and a Solo LED for monitoring. The master section output has L/R outputs on 1/4" balanced jacks, and inserts for the L/R buss. There is a summed mono 1/4" output jack for an external feed.

Each unit has an expansion in/out jack to allow for cascading several units together to get up to 32 inputs where all 32 inputs buss to the L/R mix out, while offering 32 direct outputs for remote recording. The new SP828 incorporates an external power supply for clean operation.

Features:

  • 48V phantom power with LED
  • Phase Reverse with LED
  • Mic/Line Switch with LED - Defaults to20dB Pad
  • Peak and Signal PresentIndicators
  • Gain Control
  • Level & Pan
  • Solo Switch with LED

Specifications:

  • Frequency Response: 20Hz - 20kHz . +0/-0.5dB (Ref 1kHz)
  • THD+Noise: <0.002% THD 20Hz to 20kHz at -20dBu In, +15dBu out (35dB gain)
  • Phase Shift: <+/-10 degrees 20Hz to 20kHz
  • Gain Range: 10dB to 65dB
  • Pad: -25dB
  • Polarity: Reverse (-180 degrees)
  • XLR Input: 2k5 ohms Balanced, Pin 2 hot
  • EIN: <-127dBu (@150 ohm, 60dB gain)
  • Max Voltage Gain: XLR-In To Chan Balanced Out= 65dB
  • TRS Line Input: 15k ohms Balanced
  • Max Voltage Gain: TRS-In To Chan Balanced Out= 40dB
  • Channel Output: Gnd-Compensated/Impedance Bal TRS . Max Out= +21dBu
  • Mix Gain: Channel to L or R Output: +10dB
  • Mix Insert Points:
        * TRS Jack . Tip= Send, Ring= Return
        * Mix Insert Levels= -2dBu
  • Power Requirements : 18VAC, 750mA
  • Dimensions: 17.2" x 5.8" x 1.75" (1U)

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