The OctoPre MkII from Focusrite is an 8-channel microphone/line/instrument preamplifier with built-in 24-bit/96 kHz ADAT output. The unit is a powerful input upgrade for a Pro Tools LE or M-Powered system, any other digital audio workstation, an analog or digital console, or a stand-alone hard disk recorder.
The first 2 of the front panel inputs feature XLR combi connectors that accept microphone, line and Hi-Z inputs, the latter suitable for recording guitar or bass. Phantom power is available in groups of 4 inputs, while each channel features a direct analog out and a 10dB pad to increase the preamp's headroom. Five LED input metering is available per channel.
| Number of Channels | 8 |
| Inputs |
2 x Combi XLR (front panel) 6 x XLR (rear panel) |
| Output |
8 x 1/4" TRS phone 2 x TOSLink ADAT Lightpipe |
| Phantom Power | +48V, switchable in groups of 4 (1/4, 5/6) |
| Multi Function | No |
| Gain Range |
Microphone: +10dB to +55dB Line: -10dB to +36dB Instrument: +10dB to +55dB |
| Maximum Output Level | Nominal output level @ 0dBFS: 16dBu, balanced |
| Frequency Response |
Input: 20Hz to 20kHz, +/-0.1dB Output: 20Hz to 20kHz, +/-0.2dB |
| Noise | THD+N: <0.001% (measured with 0dBFS input and 22Hz to 22kHz bandpass filter) |
| Power Requirements | Internal universal input PSU |
| Dimensions (WxDxH) | 19 x 10.4 x 1.75" (483 x 265 x 45mm) |
| Weight | 7.9 lbs (3.6kg) |
| Specialties | A/D dynamic range: 110dB, A-weighted (all inputs) |
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Comments about Focusrite OctoPre MkII - Microphone Preamp:
Great addition to the Saffire Pro40
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