The ISA 220 Session Pack provides all the audio precision tools required to infuse your session with Focusrite's renowned sonic performance. It features many of the original circuits of the flagship I... Click To Read More About This Product
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The ISA 220 Session Pack provides all the audio precision tools required to infuse your session with Focusrite's renowned sonic performance. It features many of the original circuits of the flagship ISA 430 MKII Producer Pack, and also includes some new facilities of its own. It also features the same digital output option as the original ISA 430, providing you with a high-quality digital route direct from the ISA 220 into your digital recording system.
The ISA 220 starts with the classic Focusrite transformer-coupled microphone pre amp, with phantom power and phase reverse. A four-band Focusrite EQ section follows, based on the EQ circuits featured in the ISA 430 and ISA 110. (The original ISA 110 was designed by Mr. Rupert Neve for George Martin's Air Studios in London.) The compressor features a proprietary Class A VCA with side-chain circuitry, and can be placed in the signal flow before the EQ at the press of a button, if desired. Also included is a unique feature labeled "Blend," which provides a means of achieving smoother compression at extreme settings by mixing uncompressed source signal along with the compressed portion.
The ISA220 also features an opto-based de-esser which uses a combination of EQ and phase cancellation to create a smoother and less obtrusive result. Last but not least, a frequency adaptive, 3-band limiter is provided to ensure distortion-free limiting. For visual reference, ISA 220 provides a classic analog VU-style meter which can be switched to display input or compressor gain-reduction levels. A pair of 16-segment LED meters are included to display output levels, both analogue and digital in conjunction with the optional 24-bit/96 kHz stereo digital output (AES/EBU, S/PDIF & TOSLINK) card. This card offers 44.1 - 96 kHz operation and can be used as a high-quality mono/stereo tracking converter, or at mix down as a stereo converter for final mastering.
New Focusrite EQ featuring elements of the original ISA 110 EQ circuit
Hi and Lo pass filters
Precision VU metering of input level or compressor gain reduction (switchable)
32-LED digital meter for monitoring both the internal input and the rear-panel external input
Focusrite discrete Class A VCA compressor design with order of compressor and EQ modules switchable from the front panel
New Blend feature allows uncompressed dynamics to be merged with the compressed path
De-esser with design based on optical technology
De-esser listen mode for independent monitoring of isolated sibilant signals
Frequency-adaptive limiter to prevent critical digital overloads
Optional stereo A/D 24-bit/96kHz Delta Sigma converter dithers down to 20 or 16 bits
Mic (rear panel XLR), line, and instrument (front panel) inputs
Global bypass switch
Noise: 123dB EIN with 150 Ohms input resistance at 60dB of gain
Inst. Hi Z I/P
THD: 0.003% with 0dBu
Threshold Range: -28dB to +12dB
Ratio: 1.5:1 to 10:1
Slope: Soft knee
Attack: 500 microseconds to 25 milliseconds
Release 100mS to 4S, variable or auto (program dependent)
Threshold Range: 22dB
Frequency Range: 2K2 to 9K2
Ratio at Centre
Threshold Range: 20dBu
Ratio: infinite (Brick Wall)
Attack: Frequency dependent
All Focusrite products are built to the highest standards and should provide reliable performance for many years, subject to reasonable care, use, transportation and storage.
In the event of a Manufacturing Defect becoming evident within 12 months from date of purchase Focusrite undertakes that the product will be repaired or replaced free of charge if the product is returned to the authorised dealer from whom it was purchased. In these circumstances, or if you need an out-of-warranty repair to your Focusrite product, please contact your local Focusrite distributor in your country of residence or business : Find your local distributor here and you will be advised of the correct return procedure.
Alternatively contact the Focusrite Reseller from which you purchased the product. If you purchase a Focusrite product outside your country of residence or business you will not be entitled to ask your local Focusrite Distributor to honour this Limited Warranty, although you may request a chargeable repair.
Alternatively, the unit may be returned at your cost to the dealer you purchased the unit from so that they can organise a Warranty repair with their Focusrite Distributor.
This Warranty does not include cost of shipping to and from the authorised dealer from whom it was purchased. In every case it will be necessary to provide the original invoice or store receipt to accompany the defective product to the supplying dealer. This Limited Warranty is offered solely to the first purchaser of the product from an Authorised Focusrite Reseller (defined as a reseller which has purchased the Product directly from Focusrite Audio Engineering Ltd. in the UK or its Authorised Distributors outside the U.K,) and is not transferable.
This Warranty is in addition to your Statutory Rights in the country of purchase.
Please note: A Manufacturing Defect is defined as a defect in the performance of the product which may be expected from a reasonable interpretation of the published description and performance specifications as published by Focusrite Audio Engineering Ltd. This does not include damage caused by post-purchase transportation, storage or careless handling, nor damage caused by misuse.
A significant proportion of products returned under Warranty (which are very few in number compared to numbers sold) are found not to exhibit any fault at all. Please check that the mains voltage is correctly set for your local supply and that your connecting cables are in good order and correctly connected.
If in doubt about the product functions please read the user guide and if necessary contact your dealer for advice before returning the product to the supplying dealer. You can also contact the Focusrite Tech Support team at the Focusrite Answerbase for general advice.
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