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Studio & Recording

Availability Special Order

Eight-Channel Mic Pre And Optional A-D Card With Dante
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The ISA 828MkII incorporates eight of Focusrite's classic mic preamps, with Lundahl LL1538 transformers on every input. Each channel has the option of mic or line inputs,while inputs 1-4 also feature instrument inputs on the front panel. Each mic pre has variable input impedance, to provide a range of subtly different sonic options when using microphones, including an 'ISA 110' setting, which replicates the impedance of the original Focusrite mic pre.

Up to 60dB of gain is available, with a further +20dB of continuously variable trim,providing a huge 80dB gain range. The high-pass filter has a fixed 75Hz frequency and 18dB / octave roll-off for minimising rumble, stand-borne noise and other low-frequency sounds. The ISA 828 MkII also features per-channel,six-segment LED meters, and switchable rear-panel insert points, which allow the use of inline processors such as compressors or EQs. 

Dedicated connectors for mic and line-level inputs allow all sources to be connected simultaneously, making ISA 828 MkII perfect for permanent installation in a rack. A switching power supply allows for efficient, cool operation, without sacrificing sound quality or performance, and increasing reliability over its predecessor. The optional ISA ADN8 analogue-to-digital expansion card provides eight Dante, ADAT and AES3 outputs at sampling rates of up to 24-bit / 192kHz. 

And as with all Focusrite Pro products, wherever you happen to be in the world, you can rely on a two-year warranty if any Focusrite Pro hardware needs repairing or replacing due to a manufacturing fault.

Optional A-D card with up to 192kHz, 24-bit sampling offers high-quality digital audio conversion to Dante, ADAT and AES3
Classic ISA mic preamp design featuring Lundahl LL1538 input transformer
Switching power supply design allows for efficient and cool operation
Front-panel instrument inputs to first four channels
Line inputs with dedicated input connectors and front-panel select switch
Switchable input impedance including classic ISA 110 setting
High-pass filter with fixed 75Hz frequency and 18dB/octave roll-off
Switchable insert points when used with A-D card
Per-channel six-segment LED peak-level meters
As with all Focusrite products, you'll also benefit from a three-year warranty
Brainworx bx_console Focusrite – exclusive plug-in that faithfully captures the sound, feel and styling of the original Focusrite ISA 110 Equaliser and ISA 130 Dynamics Modules.

Technical Specifications

Weight (Without Accessories) 

7.05kg / 15.55lbs

Weight (With Accessories) 

7.48kg / 16.49lbs


88mm / 3.46"


482mm / 18.98"


325mm / 12.80"

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