Item #1555287 Model #AMS-CLARETT-PLUS-OCT

Focusrite Clarett+ OctoPre 8-Channel Mic Pre Standard


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Eight-channel ADAT preamp with all-analog Air circuitry.

The Focusrite Clarett+ OctoPre eight-channel ADAT preamp was designed for both the aspiring and established engineer. Eight high-headroom, low-noise and low-distortion Clarett+ preamps—featuring all-analog Air with relay-controlled circuitry and capture drums, vocals and acoustic instruments with superb clarity. Two JFET instrument inputs capture the true characteristics of guitars, just like plugging into an amp.

High-quality AD/DA converters brings audio clarity to studio tracking sessions with high dynamic range, and ultralow noise and distortion. Exceptional DA conversion ensures that audio quality is preserved when sending audio to analog compressors EQs and effects.

Add Clarett+ OctoPre to a 2Pre, 4Pre or 8Pre to expand your I/O easily and consistently via ADAT, so that you can record a whole band together while maintaining analog purity and clarity as well as bringing the classic Focusrite Studio Console sound to your recordings.

Get the Classic Focusrite Sound With All-analog Air

Get closer to the origins of Focusrite with premium, relay-controlled analog circuitry on every preamp that emulates the classic Focusrite ISA 110, as featured on the original Focusrite Studio Console. When Air is engaged it switches the impedance to 2.2 kohms and adds two cumulative high shelves, totaling a 4dB boost in the high frequencies.

Capture the Truest Version of Your Sound With Clarett+ Mic Pre

Achieve clear recordings in any session. With 118dB of dynamic range and 129dBu EIN, the natural sound of source signals is preserved. The fully balanced signal path ensures inbound signals are clean and with ultralow noise—giving sessions the professional Focusrite sound.

Stay Plugged in With Inserts on Every Channel

Clarett+ OctoPre’s eight dedicated channel inserts allow you to track through your favorite outboard gear and capture its true character. Easily add analog equipment to the signal path with our flexible insert design.

Clear, Accurate Multitracking With Improved AD Converters

Multitrack with confidence and handle any recording session. Offering ultralow noise and ultralow distortion, Clarett+ OctoPre’s AD conversion combined with the powerful preamps give professional-sounding tracks ready for mixing.

Preserve Your Signature Style With Improved DA Converters

Clarett+ OctoPre’s exceptional DA conversion allows engineers to easily process audio in their signature style, confident that audio quality is preserved when sending audio to analog compressors, EQs and effects. Connect Clarett+ OctoPre to a Clarett+ 8Pre via ADAT and send 16 channels to a mixer.

Premium-Quality Audio Over ADAT

Add Clarett+ OctoPre to a 2Pre, 4Pre or 8Pre to expand your I/O easily and consistently via ADAT. Non-Clarett+ users can upgrade to a professional standard and bring the classic Focusrite sound to their recordings by connecting to an ADAT-enabled interface, benefitting from the premium quality offered by Clarett+ OctoPre.

Preserve the Natural Tone of Your Guitar

Capture the true characteristics of guitars with Clarett+ OctoPre’s JFET guitar inputs. Wide input bandwidth retains the purity of high frequencies and feels like you are plugging straight into an amp.

Software Extras

Get studio-grade results with Hitmaker Expansion, the included bundle of mixing plug-ins and virtual instruments. 

Three-Month Avid Pro Tools Artist Subscription With Complete Plug-in Bundle
A three-month subscription to Avid Pro Tools Artist and Avid Complete Plug-in Bundle, with a 25% discount on Avid Pro Tools Artist after the subscription period, or a 33% discount on Avid Pro Tools Studio.

Landr Studio, Plus Five Free Masters
Produce and release your best work with two months' access to Landr Studio, as well as five free masters you can use even when your two months subscription is over.

Mic Inputs
  • Frequency response: 20–20kHz: ± < 0.03dB
  • Frequency response: 20–35kHz: ± < 0.15dB
  • Dynamic range (min gain): 118dB
  • THD+N (–1dBFS, +20dB gain): –110dB
  • Noise EIN: –129dBu
  • Max input level: 18dBu
  • Gain range: +57dB
Line Inputs (Variable)
  • Frequency response 20–20kHz: ± < 0.05dB
  • Frequency response 20–35kHz: ± < 0.15dB
  • Dynamic range (min gain): 118dB
  • THD+N (–1dBFS, min gain): –100dB
  • Max input level: 26dBu
  • Gain range: +57dB
Instrument Inputs
  • Frequency response 20–20kHz: ± < 0.04dB
  • Frequency response 20–35kHz: ± < 0.15dB
  • Dynamic range: 116dB
  • THD+N (–1dBFS, min gain): –96.5dB
  • Max input level: 15dBu
  • Gain range: +57dB
Line and Monitor Outputs
  • Frequency response 20–20kHz: ± < 0.02dB
  • Frequency response 20–35kHz: ± < 0.02dB
  • Dynamic range: 124dB
  • Max output level: 18dBu
  • THD+N: –106dB
Dimensions and Weight
  • Dimensions (HxWxD): 1.75" x 18.98" x 11.26"
  • Weight: 9.15 lb. (without accessories)


  • Eight mic preamps with all-analog Air premium, relay-controlled circuitry
  • Inserts available on every channel for flexible workflow
  • Improved AD/DA converters for pristine quality
  • What’s in the box
    • Clarett+ OctoPre
    • IEC power cable
    • Avid Pro Tools Artist 3-month subscription
    Hitmaker Expansion (included)
    • Brainwork Bx_console Focusrite SC
    • Focusrite Red 2 & 3 Plug-in Suite
    • Antares Auto-Tune Access
    • Relab LX480 Essentials
    • Softube Marshall Silver Jubilee 2555
    • XLN Audio Addictive Keys
    • XLN Audio Addictive Drums 2: Studio Rock