Expand your system's recording capability with the Focusrite Scarlett OctoPre, a slim 1 RU rackmount device laden with eight Scarlett microphone preamps and onboard high-resolution AD converters—a perfect addition to any home/project studio, live sound mixing console, or mobile recording rig that has available ADAT digital inputs or unused analog line inputs.
All eight XLR-1/4" combo inputs can accept mic- or line-level signal, and the front-panel input jacks can also accommodate the 1/4" outputs of instruments, letting you plug a guitar or a bass straight into the Scarlett OctoPre. Pads on every channel allow you to capture the sound of high-level sound sources such as drums and cranked guitar amps, and 48V phantom power can be instantiated in two 4-channel banks to run condenser microphones and active DI boxes.
These features, combined with the wordclock sync I/O and 5-segment LED metering, render the unit quite suitable for use in the studio. But that's only one of its intended uses: the Scarlett OctoPre also operates well in live sound environments, providing eight additional preamps for the stage, all feeding their respective line outputs, so they can feed a multitude of mixers, consoles, and PAs. You can even route the line outputs to a console while simultaneously recording digitally via the ADAT outputs.
Form Factor
Rackmount (1 RU)
Display
8 x Multi-Segment LED Meters
Mic Preamps
8
Gain Control
8 x Knobs
Pad
-8 dB (Selectable per Channel)
Analog Audio I/O
2 x XLR-1/4" TRS Combo Balanced/Unbalanced Mic/Line/Hi-Z Inputs (Front Panel)6 x XLR-1/4" TRS Combo Balanced Mic/Line Inputs8 x 1/4" TRS Balanced Line Outputs
Phantom Power
+48 V, On/Off Switchable in 4-Channel Banks (1-4 and 5-8)
Digital Audio I/O
2 x TOSLINK Optical ADAT Outputs (SMUX and SMUX 4 Support)
Sync I/O
1 x BNC Female Wordclock Input1 x BNC Female Wordclock Output
Frequency Response
Inputs: 20 Hz to 20 kHz (+0.5 dB, -1.5 dB)
Gain Range
Inputs: 50 dB
Maximum Input Level
Mic Input (Pad Off): +8 dBuMic Input (Pad On): +16 dBuLine Input: +22 dBuHi-Z Input: +13 dBu
Maximum Output Level
> +16 dBu at 0 dBFS> +21 dBu Where ADAT Output Is Not Used
Impedance
Mic Input: 3 KilohmsLine Input: 49 KilohmsHi-Z Input: 1 MegohmLine Output: 136 Ohms for Units with Serial Number ≤ W860083007515Line Output: 576 Ohms for Units with Serial Number ≤ W860083007515Wordclock Input: 75 OhmsWordclock Output: 75 Ohms
Dynamic Range
Mic/Line Inputs: 109 dB (A-Weighted)Hi-Z Inputs: 108 dB (A-Weighted)
THD + N
Mic Inputs: <0.001%Line Inputs: <0.002%Hi-Z Inputs: <0.01%Line Outputs: <0.001%
EIN
Mic Inputs: -127 dBu
Word Clock Specs
Input Voltage: 2.5 VOutput Voltage: 5 V
Sample Rates
44.1, 48, 88.2, 96, 176.4, and 192 kHz
Bit Depth
24-Bit
Power Supply
Universal: 100 to 240 VAC, 50/60 Hz
Dimensions
19.0 x 1.8 x 11.3" / 48.3 x 4.4 x 28.6 cm
Weight
7.1 lb / 3.2 kg
In the Box:
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