M-Audio Octane 8-Channel Mic Preamp with ADAT Lightpipe  

Product #184030

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This product has been discontinued but may be available as a Open Box item.

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High-octane preamplification with all the versatility you need!

The M-Audio Octane 8-Channel Mic Preamp with ADAT Lightpipe adds connectivity and studio-quality preamps to your recording rig. Excellent for input-hungry miking applications. 2 mic/instrument channels provide input for guitars, basses, keyboards, and other instruments. Enables sophisticated stereo miking. Analog preamp direct outputs on every channel. ADAT lightpipe output. Word clock lets you sync multiple units.

Features
  • 2 channels with mic/instrument preamps (front-panel 1/4")
  • ADAT Lightpipe output (TOSlink)
  • 24-bit audio resolution
  • 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)
  • 8 channels, each with:
  • XLR mic input
  • 1/4" TRS line input
  • 1/4" preamp out
  • 3-segment LEDs
  • 20dB pad
 

Octane 8-Channel Mic Preamp with ADAT Lightpipe Specifications:


  • Mic Inputs
    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
    EIA 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
    Input Impedance: 3M ohms
    Variable Gain: 44dB
    Frequency Response: 20Hz-20kHz, +/- 0.03dB; mid gain
    Signal-to-Noise Ratio: 133dB, A-weighted; mid gain
    Dynamic Range: 133dB, A-weighted; mid gain
    THD+N: 0.0018% -95dB, 1 dB below clipping, 22Hz-22kHz; mid gain
    System Throughput Gain: 6dB to 50dB (balanced out); 0dB to 44dB (unbalanced out)

    Line Inputs
    Line Input Impedance: 20kOhms (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): +26 dBu (balanced), +20 dBu (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
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M-AudioOctane 8-Channel Mic Preamp with ADAT Lightpipe
 
3.0

(based on 1 review)

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(26 of 39 customers found this review helpful)

 
3.0

Design flaw with certain impedance mics

By 

from Ann Arbor, MI

Comments about M-Audio Octane 8-Channel Mic Preamp with ADAT Lightpipe:

I discovered almost immediately that when plugging my overhead condenser mics into channels 7 and 8 with phantom power engaged, that a fairly loud buzzing and humming noise came up. The noise slowly faded away after about 10-15 min. I switched chords, outlets, ground scenarios etc. and it still happened after a cold start. The weird thing was that if I engaged the -20 db pad on channels 7&8 the buzz went away, even with the gain all the way up. M-audio sent me a 2nd unit to try to see if the unit was defective. Same results with the 2nd unit.I took the Octane to a local high end recording studio to check it with other mics, cables and power supply. Same results with my mics (Marshall's & Rode) but when some Neumann U87's were used, no buzz. We started trying some other mics with different ohm ratings (ADK-A51's, Oktava mk012's, Shure KSM-141's). Bottom line, any mic less than 200 ohms caused channels 7&8 to buzz. I informed M-audio's tech support of this and they did their own testing of the Octane units at their factory with various mics. Sure enough, they have admitted to me that it is a design flaw. So, if you have an M-audio octane or are looking to buy an Octane be careful about the condensers you use. Anything less than 200 ohms will more than likely cause you a very annoying buzz or a 15 min. warm up time for the noise to go away.

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