ADAT Interfaces

Whether you're recording a full band or a full orchestra, you'll not only need plenty of microphones – you'll need the mic preamps to handle them. The answer is an OctoPre. Eight Focusrite quality mic preamps in a convenient package, easily connected to your Focusrite or third-party audio interface via ADAT light-pipes. Options include the Scarlett OctoPre, Scarlett OctoPre Dynamic with added dynamic control, the Clarett OctoPre and, at the top of the line, the ISA828 with its heritage mic pres. Check this comparison chart to see which OctoPre is right for your studio expansion.

Scarlett OctoPre Scarlett OctoPre Dynamic Clarett OctoPre ISA 828 MkII
No. of Analogue Inputs 8 8 8 8
Mic Preamps 8 8 8 8
Line Inputs 8 8 8 8
Instrument Inputs 2 2 2 4
Analogue Outputs 8 TRS 8 TRS 8 D-Sub 8 D-Sub
Digital Inputs 0 2 x ADAT 2 x ADAT 0
Digital Outputs 2 x ADAT 2 x ADAT 2 x ADAT 2 x ADAT, AES/SPDIF*
A-D Conversion Y Y Y Optional*
D-A Conversion N Y Y N
A-D Dynamic Range (A-Weighted) 109 dB 109 dB 118 dB 121.5 dB
D-A Dynamic Range (A-Weighted) N/A 109 dB 118 dB N/A
THD+n 0.001% 0.001% 0.001% 0.0008%
Mic Pre Max Input Level +16 dBu (with pad) +13 dBu +18 dBu +10.5 dBu
Analogue Gain Control Y Y Y Y
AIR mode N N Y N (Original transformer design)
Impedance Switching N N AIR Mode Y
Compression N Y N N
Inserts N N Y N (Line output/ADC inputs can be used as inserts)*
Wordclock In & Out In & Out In & Out In & Out*
Metering 5-Seg LED 5-Seg LED 6-Seg LED 6-Seg LED
High Pass Filter N N N Y
Polarity Invert N N N Y
Phantom Power Y (2 x 4 channel groups) Y (2 x 4 channel groups) Y (2 x 4 channel groups) Y (Individual)
*Requires optional A/D card

8-channel mic preamp with ADAT connectivity

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8 channel mic pre with A-D/D-A conversion & analogue compression

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8-channel mic pre and A-D/D-A converter

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