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Focusrite ISA 430 MKII Producer Pack


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34 customer reviews
  • Producer Pack Single-Channel Microphone Preamplifier / Channel Strip
  • Easy visual monitoring with VU and LED meters
  • Variable impedance mic preamps for fine-tuning mic input levels
  • Flexible signal path provides up to four discrete inputs at once
  • Compressor features vintage opto plus Class A design.
  • Impeccable EQ drawn from the ISA 110

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Ratings and Reviews


  • Classic Focusrite transformer-based Mic-pre with variable impedance and 'Air' feature
  • Multi format Compressor; switch between Focusrite's transparent VCA circuit and a vintage optical circuit
  • Unmatched flexibility with an incredible variety of insert points and variable signal path arrangements
  • Ability to function as 4 separate modular processors: mic pre, EQ, Dynamics and stereo ADC
  • Precision VU metering of input level, Insert 1 or 2 Return level,
  • Compressor gain reduction or Sidechain listen level (switched)
  • Classic Focusrite EQ design; an expanded version of the original ISA 110
  • Post mic pre output for the shortest possible signal path
  • Proprietary Focusrite discrete Class A VCA Gate and Expander designs
  • 'Listen' feature for precise control over compression, gating,
  • expansion and de-essing
  • De-esser design based on optical technology for lower distortion
  • and transparency
  • Soft Limiter to avoid critical digital overload
  • Optional Stereo A/D - 24-bit 192 kHz Delta Sigma converter


Preamp Type Solid State
Number of Channels 1
Frequency Response 20Hz-22kHz
Phantom Power Yes
EQ Yes
Compressor Yes
Other Processing Gate/Expander, De-Esser, Limiter
Analog Inputs 1 x XLR (Mic), 1 x XLR (Line), 2 x 1/4" (Hi-Z)
Analog Outputs 1 x XLR
Other I/O 2 x XLR (Ext. Sum In), 1 x XLR (Post Mic Out), 4 x XLR (Send/Returns Dyn, EQ), 2 x 1/4" (Ext In Dyn, EQ), 1 x 1/4" Dyn Link
Rack Spaces 2U
Height 3.5"
Depth 9.8"
Width 19"
Weight 16.7 lbs.
Manufacturer Part Number ISA430 MKII