Studio Projects - SP828Studio 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:

Features

• 48V phantom power with LED

• Phase Reverse with LED

• Mic/Line Switch with LED - Defaults to 20dB Pad

• Peak and Signal Present Indicators

• Gain Control

• Level & Pan

• Solo Switch with LED

SP828 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

Size :

17.2" x 5.8" x 1.75" (1U)

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.