Focusrite Clarett OctoPre Preamp

Product ID: 210684

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  • The ideal Clarett I/O expansion kit
  • The sound of transformer mic preamps
  • Focusrite precision conversion
  • Dedicated switched insert points on every channel
  • Mic preamps optimised for tracking drums
  • Two quality instrument inputs
  • 48V Phantom power on every channel
  • Versatile clocking solutions
  • Remote control from iPhone or iPad
  • This product is covered by a 2-year warranty and qualifies for a free replacement from Focusrite including UK transit costs in the highly unlikely event of a failure


Focusrites deep understanding of what producers and home recording folks need are never better exemplified than with their range of ADAT expandable interfaces. Whether you need specific expansion to record those drums or an ensemble of musicians the Claret OctoPre gets the job done with the least fuss and effort possible.

Infusion of Clarett

With 8 Clarett specific Mic Pres and 24 bit, 192 kHz A-D and D-A conversion, your Clarett interface can be transformed from simple home studio set-up to a fully functional pro recording rig. The Clarett OctocPre will expand any ADAT optical fitted unit. There are also an additional 8 channels of digital to analogue conversion providing 8 analogue outputs.

Plenty of Air

Each of the 8 inputs is AIR enabled, this gives each input a transformer-based effect by switching the impedance to that of the original Focusrite ISA mic pre giving microphones the AIR and clarity when needed. The Mic pres also have plenty of headroom so you will see less clipping on louder sound sources.

Front and Rear Inputs

The front panel instrument inputs feature extra headroom to handle high-output pickups, while the rear panel includes universal XLR/jack connectors for the remaining auto-switching mic/line inputs. In addition, each input has its own switched insertion point for single-cable connection of compression, equalisation and other outboard analogue processing - with hard-wired relay bypass, so you can leave outboard gear or a patchbay connected ready to access at the press of a button. The inputs drive eight channels of precision 24-bit Focusrite A-D with 118dB dynamic range and standard sample rates up to 192kHz.

Wordclock, Phantom Power and LED display

Clarett OctoPre provides rock-solid, super stable clocking performance with word clock I/O for synchronisation with other studio equipment. Switched in two groups (1-4 and 5-8), every channel is capable of supplying phantom power for use with condenser microphones. Clarett OctoPre has a 6 segment LED. Clarett OctoPre's fast-acting input meters provide clear reference of input levels, helping you to avoid analogue or digital clipping. Additional pre-insert clip indicators ensure accurate gain staging when using outboard equipment.

Everything in its right place

Remote control Download the free Focusrite iOS Control app and adjust cue mixes created with the Focusrite Control desktop app remotely from an iPad, iPhone or iPod touch. The Clarett OctoPre is a step in a very professional direction and will take your home recording experience to the next level. Equally, with the 25pin DSUB line output, you could use this with a live mixing desk. The Clarett OctoPre is the perfect way to expand your ADAT enabled device.

Supported Sample Rates 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, 192 kHz
Microphone Inputs
Frequency Response 20 Hz - 35 kHz ±0.1 dB
Dynamic Range (Without Insert) 118 dB (A-weighted)
Dynamic Range (With Insert) 115 dB (A-Weighted)
THD+N 0.001%
Noise EIN –128 dBu (A-Weighted)
Maximum input level +18 dBu ±0.5 dB
Gain Range 57dB
Line Inputs
Frequency Response 20 Hz - 35 kHz ±0.1 dB
Dynamic Range (Without Insert) 117 dB (A-weighted)
Dynamic Range (With Insert) 115 dB (A-Weighted)
THD+N 0.001%
Maximum input level +26 dBU ±0.5 dB
Gain Range 57dB
Instrument Inputs
Frequency Response 20 Hz – 35 kHz ± 0.1 dB
Dynamic Range (Without Insert) 116 dB (A-weighted)
Dynamic Range (With Insert) 114 dB (A-Weighted)
THD+N 0.001%
Maximum input level +14dBu ±0.5 dB
Gain Range 57dB
Line Outputs
Dynamic Range (Line Outputs) 118 dB (A-Weighted)
Maximum Output Level (0 dBFS) +16 dBu, balanced
THD+N 0.0007%

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