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Focusrite OctoPre User Manual

Focusrite OctoPre
60 pages
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ENGLISH
11
SPECIFICATIONS
Inputs
Electronically balanced 20k.
Nominal level +4dBu / -10dBV
Input Connectors
1/4” jack (channels one and two only)
25 pin D-type 8 channel line level analogue connector.
8 XLR inputs for Mic
Front Panel Controls
Phantom Power: On/Off: +48V
Gain (mic): 0dB to 60dB
Gain (line): -10dB to +10 dB
Gain (instrument): 0dB to 60dB (Impedance > 1M)
Phase Reverse: On/Off (Channel 1 & 2 only)
High Pass filter: On/Off: -12dB / octave. –6dB at 75 Hz
Dynamics: Limiter threshold is fixed at 20dBu.
Compressor threshold and ratio is variable
Frequency select: Switchable (44.1, 48, 88.2, 96 kHz)
Dither: 24, 20 or 16 bit
Metering
Signal Present: -20dBFS (green LED)
Overload: +22dBu (red LED)
Compressor mode: Yellow LED intensity increases with compression
Hard Limit mode: Red LED on when limiting (threshold = +20 dBu)
Analogue Output
25 pin D-type 8 channel analogue connector.
Digital Output
See page 6 for details.
Performance specifications
THD: 0.001% @ 20dBu input, mic and line at 0dB gain
Noise: -96 dB at unity gain through the unit
Mic EIN: -128 dBu @ 6dB of gain with 150 termination
impedance
Frequency response: -1 dB at 10 Hz to 200 kHz
Dimensions: 480mm (w) x 44 mm (H) x 265 (D)
Weight: 3.2 Kg

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Focusrite OctoPre Specifications

General IconGeneral
TypeMicrophone Preamplifier
Channels8
Word ClockYes
Rack Spaces1U
Phantom PowerYes
A/D Resolution24-bit
Analog Inputs8 XLR
Analog Outputs8 TRS
Digital InputsADAT Optical
Digital OutputsADAT Optical
Clock I/OBNC
Mounting OptionRack
Frequency Response20Hz - 20kHz
THD+N<0.001%

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