Reviews
“With such a
wealth of features and excellent sound, it should be no surprise that
the Octane took the award for best preamp.”-- Electronic
Musician
The Octane’s
preamps are impressively quiet, even when cranked right up, and as such
allow you to really make use of the full amount of available gain; particularly
useful when capturing very quiet sound sources.”-- Future
Music
If your studio is
lightpipe-equipped, Octane will be one of those Swiss Army knife-like
tools for which you’ll find numerous uses.”--
EQ Magazine

Feature Highlights
- Award-winning
M-Audio preamp technology
- 8 channels, each
including:
•microphone
input (XLR)
• line input (1/4” TRS)*
• Preamp out (1/4” TRS)*
• 3-segment LEDs
• 20dB pad
• Phantom power with indicator (groups 1-4, 5-8)
- 2 channels are
mic/instr preamps (front-panel 1/4” TS)
- ADAT Lightpipe
output (TOSlink)
- 24-bit audio resolution
throughout
- Selectable sample
rate (44.1k and 48k) and external sync
- Word clock I/O
(75-ohm BNC) for synchronization to other digital devices
- Line inputs are
half-normalled as insert ins or standalone A/D
- M-S matrix encoding
on channels 7 & 8 with width control
- Phase reverse switches
on even channels
- Low-cut filter
on channel 1 (-12dB/oct @ 80Hz)
Specifications
Microphone
Inputs (Analog)
Variable gain: 50dB
Frequency response: 20-20kHz, +/- 0.11dB; mid gain
Signal-to-noise ratio: 120dB, A-weighted; mid gain
Dynamic range: 120dB, A-weighted; mid gain
THD+N: 0.00041% -107dB, 1dB below clipping, 22Hz-22kHz; mid gain
EIN noise rating: -129dBu @ max gain, 600 ohms, 22Hz-22 kHz (unweighted)
Input impedance: 2.85k ohms, no pad; 3.600k ohms, pad engaged
Instrument
Inputs (Analog)
Input impedance: 3M
ohms
Variable gain: 44dB
Frequency response: 20Hz-20kHz, +/- 0.03dB; min gain
Signal-to-noise ratio: 133dB, A-weighted; min gain
Dynamic range: 133dB, A-weighted; min gain
THD+N: 0.0018% -95dB, 1 dB below clipping, 22Hz-22kHz; min gain
System throughput gain: 6dB to 50dB (balanced out); 0dB to 44dB (unbalanced
out)
Line Inputs
(Analog to Digital)
Line input impedance:
20K Ohms (balanced), 13.3k ohms (unbalanced)
Frequency response: 20Hz-20kHz, +/- 0.04dB
Signal-to-noise ratio: 110dB, A-weighted
Dynamic range: 110dB, A-weighted
THD+N: 0.00067% -103dB, -1dBFS, 22Hz-22kHz
Additional
Features
Maximum rated analog
output (digital clip): +26dBu (balanced), +20dBu (unbalanced)
Output impedance: 600 ohms (balanced)
M/S matrix: L=M+S/3 and R=M–S/3
Digital clip level at line inputs: +20dBu
Channel quasi-peak level indicators light 3dB, 10dB and 20dB below digital
clip
Word clock range (switchable): 44.1kHz, 48kHz and external
Word clock slave sync range: 33kHz to 59kHz
Word clock impedance: 75 ohms
Power: 18 VAC (16.5 VAC minimum) @ 3.5A inline power adapter
Size: 17" x 5" x 3.5" 7.1 lbs
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