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Product 188225

Focusrite ISA430 MKII A-D Card   

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The ISA430 MKII A-D Card represents the pinnacle of Focusrite's analogue channel strip technology, bringing together all the classic designs in one c...Read More

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The ISA430 MKII A-D Card represents the pinnacle of Focusrite's analogue channel strip technology, bringing together all the classic designs in one comprehensive production tool. Augmented with additional features and flavours, alongside unmatched internal routing and connectivity, the ISA430 MKII enables today's recording professional to enjoy the unique sonic contribution of these heritage designs within one extremely versatile processor. Focusrite's iconic status as the leading manufacturer of channel strips remains unrivalled.

  • 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

ISA430 MKII A-D Card

  • Line
    Gain Range: +10dB to +40dB continuously variable
    Input Impedance: >1M Ohm

    Gain Range: 0 to +60dB in 10dB steps
    Input Impedance: Variable as follows: 600 Ohm, 1k4 Ohm, 2k4 Ohm, 6k8 Ohm
    EIN: -128dB with 150 Ohm terminating impedance at 60dB of gain
    Noise: -97dBu
    THD: 0.001% with -20dBu 1kHz input and 20Hz?22kHz bandpass filter

    Compressor (VCA mode)
    Threshold Range: -28dB to +12dB
    Ratio: 1.5:1 to 10:1
    Slope: Soft knee
    Attack: 100s to 100ms
    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
    Release: Fixed

    Low Pass Filter: 18dB/oct from 400Hz to 22kHz
    High Pass Filter: 18dB/oct from 20Hz to 1k6Hz
    Parametric section is comprised of: Low-mid & Hi-mid parametric, each with continuously variable boost/cut with centre detent, frequency sweep control with two ranges, and fully variable Q. Low-mid frequencies 40Hz to 400Hz (120Hz to 1k2Hz when x3 is pressed). Hi-mid frequencies 600Hz to 6kHz (1k8Hz to 18kHz when x3 is pressed)
    Shelving section is comprised of: High Frequency Shelf: The frequency range steps are 1.5kHz, 3.3kHz, 6.8kHz and 15kHz (2.2kHz, 4.7kHz, 10kHz and 18kHz when Hi Range is engaged). Low Frequency Shelf: The frequency range steps are 20Hz, 56Hz, 160Hz and 460Hz (33Hz, 95Hz, 270Hz and 655Hz when Hi Range switch is engaged)

    Threshold Range: -40dB to +10dB
    Gate Range: 0 to -80dB
    Attack: switched fast or slow
    Release: 100ms to 5s
    Hold: 20ms to 4s
    Expander Ratio: 0 to 5:1

    Threshold Range: 22dB
    Frequency Range: 2k2 to 9k2
    Ratio at centre frequency: 2:1

    Threshold Range: 20dBu
    Ratio: infinite (Brick Wall)
    Attack: Frequency dependent
See All Focusrite Channel Strips
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