Focusrite ISA 828
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Focusrite ISA 828

Code: focusrite-isa-828

$2,699.99

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Product Description

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Eight Channel Mic Pre And Optional A-D

ISA 828 incorporates eight of Focusrite's renowned mic pres in a simple-to-operate 2U enclosure, placing eight mic preamps, instrument inputs and line ins at your fingertips. The original Focusrite mic pre was designed to suit the microphones of the time; today's model makes one small change, adding three additional input impedances to the classic ISA 110 setting, allowing you to match any microphone, old or new, and access a wide range of sounds, from the character and warmth of a vintage mic to the clear transparency of a modern design.

Each mic pre has the option of mic, line or the front-panel instrument input, with variable input impedance to ensure you are getting the best performance from the source. Up to 60dB of gain is available on the four-position rotary and gain range switches, with a further +20dB of continuously variable trim, meaning a huge 80dB of gain is available should it be required. The high-pass filter features variable cut-off frequency between 16 and 420Hz. An array of 6-segment LED meters show peak signal level for the four mic pres, in addition to the four direct inputs to the optional A-D card. Switchable rear-panel insert points allow the use of inline processors such as compression.



  • Classic ISA mic preamp design featuring Lundahl LL1538 input transformer
  • Line inputs with dedicated input connectors and front-panel switch
  • High-pass filters
  • Per-channel six-segment LED peak-level meters
  • Front-panel instrument inputs to first four channels
  • Switchable input impedance including classic ISA 110 setting
  • Switchable insert points when used with A-D card
  • Optional A-D card with up to 192kHz, 24-bit sampling via ADAT or AES3