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Part Number:ISA One
Portable Mic/Line Preamp Based on Focusrite Forte Technology

The ‘ISA One’ microphone pre-amplifier delivers Focusrite's prestigious ISA transformer-based pre-amp in a rugged and portable chassis, at a groundbreaking price. It features the classic vintage microphone pre-amplifier topology from the original ISA110 module, including the Lundahl L1538 transformer and bespoke zobel network. (The original 110 pre amp formed the cornerstone of each channel of Focusrite's legendary Forte console.) Now it is available in two versions, Digital and Analogue.

  • ISA Series Transformer-based Pre-amplifier
  • Rugged portable chassis
  • classic Focusrite microphone pre-amplifier at lowest cost to date
  • Flexible Independent D.I. Channel
  • Independent gain control
  • Output for routing to an amp
  • Independent XLR output on rear
  • Switchable Impedance (4 carefully selected input impedances, including original ISA 110 setting, to suit any microphone)
  • Optional Stereo 192kHz ADC
  • Can feed either sum of the two inputs to the headphones output, or an external stereo cue mix (such as a stereo mix feed from an interface) via two TRS Jack inputs on the rear of the unit
  • Dedicated Insert Point allows you to place extra processing between the pre-amplifier or D.I. and the optional converter, such as an EQ or compressor.

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