Focusrite ISA430mkII Producer Pack


The Focusrite ISA 430mkII is a comprehensive professional signal processor with 4 key components in one. Featuring a world renown ISA mic pre, EQ, compression, and gate/expander, plus a VU meter fro average audio levels. A must have for any serious studio environment.

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Inside the 2U rack-mount enclosure, the ISA 430 Mk II features a Lundahl transformer-input microphone preamplifier and equaliser based closely on the original ISA 110, itself based on the design for the A7971 console by Rupert Neve, incorporating suggestions from George Martin and engineer Geoff Emerick. Virtually all we’ve changed is to give the mic pre a variable input impedance to get the best out of any microphone, modern or vintage, accurately or for effect. There’s also a special “air” button that opens out the sound without EQ.

  • The Most Versatile Channel Strip with mic-pre and signal processors in one
  • Full Control Over Dynamics
  • Four Units in One, Independently Accessible
  • Powerful Processing Options with HPF, LPF, EQ, and more
  • Lundahl LL1538 Input transformer
  • Backlit VU Meter with Variable Calibration


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
Dimensions 484 x 85 x 250 mm
Weight 7.58 kg
For more information, please visit the manufacturer's website.