Focusrite ISA430 MKII Producer Pack

Sku #188223000000000

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The pinnacle of analog channel strip technology.

The ISA 430 MKII Producer Pack brings together all the classic Focusrite designs in one comprehensive production tool. Augmented with additional features and flavors, alongside unmatched internal routing and connectivity, the ISA 430 MKII enables today's recording professional to enjoy the unique sonic contribution of these heritage microphone preamp, compressor, EQ and de-esser designs in one extremely versatile signal processor.

  • Classic Focusrite transformer-based mic pre with variable impedance and "Air" feature
  • Multi-format compressor switches between transparent VCA and vintage optical circuits
  • Unmatched flexibility with an incredible variety of insert points and variable signal path arrangements
  • Functions as 4 separate modular processors: mic pre, EQ, dynamics, and stereo ADC
  • Precision VU metering of input level, Insert 1 or 2 Return levels
  • 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 192kHz Delta Sigma converter

ISA430 MKII Producer Pack Specifications:

  • Mic
    Gain Range: 0 to +60dB in 10dB steps
    Input Impedance: Variable - 600 Ohms,2K4 Ohms,6K8 Ohms and original ISA110 settings
    EIN: -128dB with 150 Ohms terminating impedance at 60dB of gain
    Noise: -97dBu
    THD: 0.001% with -20dBu (1kHz input and 20Hz”22kHz bandpass filter)

    Gain Range: +10dB to +40dB continuously variable
    Input Impedance: >1MOhm

    Compressor (VCA mode)
    Threshold Range: -28dB to +12dB
    Ratio: 1.5:1 to 10:1
    Slope: Soft knee
    Attack: 100 microseconds to 100 milliseconds
    Release: 100mS to 7S, variable or
    auto (program dependent)

    Compressor (Vintage Opto mode)
    Threshold Range: -28dB to +12dB
    Ratio: 1.5:1 to 5:1 in Comp mode
    5:1 to 20:1 in Lim mode
    Slope: Soft knee in Comp mode,
    Hard knee in Lim mode
    Attack: Fixed
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