Focusrite ISA-430 MKII - Producer Pack Signal Processor

Model #ISA430-MKII

Focusrite isa430 mkii 1
Focusrite isa430 mkii 1
Focusrite isa430 mkii 2
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Input Impedance 600, 1400, 2400 and 6800 Ohms
Gain Range 0 to +60dB in 10dB steps
Maximum Output +26dBu
Phantom Power +48V


Dimensions (WxDxH) 19" x 9 7/8" x 3 1/2"
Specialties Dynamics and EQ sections can be used as two independent processors
Weight 15.4 lbs

Packaging Info

Box Dimensions (LxWxH) 25.0 x 17.5 x 9.0"
Package Weight 22.45 lb

General Information

Number of Channels Single
Inputs 1 x XLR Microphone1 x XLR Line1 x 1/4" TS Phone Instrument1 x XLR Compressor Return1 x XLR EQ Return1 x 1/4" TS Phone Compressor Key1 x 1/4" TS Phone Gate Key
Outputs 1 x XLR Main1 x XLR Post Pre1 x XLR Compressor Send1 x XLR EQ Send1 x 1/4" TRS Phone Dynamic Link
Frequency Response Mic: -0.25dB down at 20Hz and -3dB down at 120kHz, minimum gain (0dB)Line: -0.25dB down at 20Hz and -3dB down at 140kHz, unity gain (0dB)
Noise Mic: SNR relative to maximum headroom (28dBu) = 125dBLine: SNR relative to maximum headroom (28dBu) = 119dB


Gate Rate Attack: Switched fast or slowRelease: 100mS to 5SHold: 20mS to 4S
Gate Threshold -40dB to +10dB


Filter Type Parametric, shelving, low- and high-pass
Range (Boost/Cut) +/-18dB
Light Indication
Threshold Range -6dBfs (+16dBu)
Ratio 1.5:1, 2:1 or infinite:1, level dependent
Attack Time Instant
Frequency Bands ParametricLMF: 40Hz to 400HzLMF (x3 in): 120Hz to 1200HzHMF: 600Hz to 6kHzHMF (x3 in): 1.8kHz to 18kHzShelvingLF: 20Hz, 56Hz, 160Hz, 460Hz LF (Hi Range in): 33Hz, 95Hz, 270Hz, 655HzHF: 1.5kHz, 3.3kHz, 6.8kHz, 15kHzHF (Hi Range in): 2.2kHz, 4.7kHz, 10kHz, 18kHzFilters (18dB/Octave, 3rd Order)LPF: 400Hz-22kHzHPF: 20Hz-1.6kHz


Frequency Range 2.2kHz to 9.2kHz
Threshold Range 22dBu


Threshold Range -28dB to +12dB
Slope Class A VCA Mode: Soft kneeVintage Opto Mode: Soft knee in Compressor mode, Hard knee in Limiter mode
Release Time Class A VCA Mode: 100mS to 7S, variable or auto (program dependent) Vintage Opto Mode: Fixed
Attack Time Class A VCA Mode: 100uS to 100mSVintage Opto Mode: Fixed
Ratio Class A VCA Mode: 1.5:1 to 10:1Vintage Opto Mode: 1.5:1 to 5:1 in Compressor mode, 5:1 to 20:1 in Limiter mode
Sidechain Yes
Product Highlights
    In The Box
    • Focusrite ISA-430 MKII - Producer Pack Signal Processor
    • AC Power Cable
    • One (1) Year Warranty
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