Overview, Introduction, Features – Focusrite ISA Two Rackmount 2-Channel Microphone Preamp User Manual
Page 5: Box contents
5
English
OVERVIEW
Introduction
The ISA Two provides two of Focusrite’s prestigious transformer-based microphone preamps. It
features the same classic circuitry and renowned audio quality found in the original at a new level
of affordability. With selectable input impedance, direct instrument inputs and insert points, the ISA
Two creates the perfect front end for the discerning recording professional.
First introduced in 1985, the ISA microphone preamp holds a reputation for outstanding transparency
along with subtle warmth contributed by transformer core saturation. The addition of a variable
impedance circuit allows ISA users to perfectly match the preamp with any microphone, or to use
different settings creatively to shape the sound of the microphone. Unchanged for decades, the ISA
microphone preamp topology offers incredible clarity and the signature Focusrite sound that makes
it the top choice among many audio professionals today.
Features
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Two ISA series transformer-based preamps
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Selectable input impedance
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Two front panel instrument inputs
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Dedicated analogue insert points
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Variable high pass filter
Box Contents
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ISA Two
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IEC Power cable
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Printed User Guide in English, French and German