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Focusrite ISA828 Eight Classic Microphone Pre-Amps

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8-channel Microphone Preamp with Variable Input Impedance, 8 line inputs, 4 Front-Panel Instrument Inputs, High Pass Filters, 25-pin Connector

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About Focusrite ISA828 Eight Classic Microphone Pre-Amps


  • Eight ISA series transformer-based preamps: in a single robust 2U chassis, offering the classic Focusrite pre at its lowest cost-per-channel to date
  • Optional eight-channel 192kHz A-D converter: embodies cutting edge conversion technology, the best A-D performance on the market, bar none
  • Interface easily with Pro Tools and other systems: 25-pin D-type connectors allow quick and seamless integration with Pro Tools | HD, as well as other popular hard disk recorders and mixing systems
  • Inserts available on every channel: Allows external devices to be inserted between the preamp and the A-D converter, using a 25-pin D-type cable
  • Switchable impedance: selectable per channel; four input impedances, including the original ISA110 setting, to suit any microphone


Preamp Type Solid State
Number of Channels 8
Frequency Response 10Hz-110kHz
Phantom Power Yes
Analog Inputs 8 x XLR (Mic), 8 x 1/4" (Line), 4 x 1/4" (Hi-Z), 1 x DB25 (ADC Inputs)
Analog Outputs 1 x DB25 (CH 1-8)
Digital Outputs Optional A/D expansion card available (digital DB25, optical)
Clock I/O 2 x Word Clock
Rack Spaces 2U
Height 3.5"
Depth 12" (13.8" W/Heat Sink)
Width 19"
Manufacturer Part Number ISA828