Focusrite ISA ONE Mic Pre Amp

Focusrite ISA ONE Mic PreAmp w/ Digital Board

Focusrite
Scan code: LN44381 Manufacturer code: FOCU67 Request call
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Product Overview The ISA One microphone preamplifier delivers Focusrite's prestigious ISA transformer-based preamp in a rugged and portable chassis, at a groundbreaking price.

ISA One features the classic vintage microphone preamplifier topology from the original ISA110 module, which formed the cornerstone of each channel of Focusrite's legendary Forté console.

The preamp is complemented by a line input and an independent D.I. channel, complete with dedicated gain control, active or passive impedance switch, a TRS Jack output for routing to an amp and an independent XLR output on the rear. This flexible independent D.I. makes the ISA One ideal both for engineers wishing to blend a D.I.’d guitar signal with a mic’d guitar cabinet, and for demanding performers who require a single classic solution for both guitar and vocals.

A variable impedance circuit has been added, allowing the user to switch between four carefully selected input impedance settings. In addition to the original ISA110 impedance, three further impedance settings allow perfect matching, or creative mismatching of the preamp with any microphone. ISA One also features an insert point, should the need arise to place extra processing between the preamp or D.I. and the optional converter. Phantom power, phase reverse and a 75Hz, 18dB/octave high-pass filter are also available from the angled front fascia.

Independent input metering for both channels is provided in the form of a moving coil VU meter with variable calibration to suit analogue and digital recording media, alongside two six-LED peak meters; inputs can be metered either pre- or post-insert. The meter calibrations utilise all the same reference points as Avid's Pro Tools HD system, allowing effortless line-up.

Features ISA series transformer-based preamplifier
Encased in a rugged and portable chassis, ISA One offers the classic Focusrite microphone preamplifier at its lowest cost to date.

Flexible independent D.I. channel
ISA One is ideal for both engineers and demanding performers alike, featuring independent gain control, an output for routing to an amp, an independent XLR output on the rear and routing to the optional A-D converter.

Switchable impedance
Choose one of four carefully selected input impedances, including the original ISA110 setting, to suit any microphone.

Headphone output with volume control
ISA One can feed either a 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 preamplifier or D.I. and the optional converter, such as an EQ or compressor.

Specifications
Specifications
Product Type Preamp
PC Interface N/A
Assignable Faders  
Assignable Knobs  
Assignable Pads  
Keys  
Wheels  
Connectivity (Input)
  • 2 x 1/4" Mic/line
  • 3 x XLR
Connectivity (Output)
  • 2 x 1/4" Mic/line
  • 2 x XLR
Sample Rate  
Bit Rate N/A
Frequency Response (Input) N/A
Frequency Response (Output) N/A
Maximum Input Level N/A
Maximum Output Level  
Dynamic Range  
Dimensions (mm) 220 x 104 x 290 (WxHxD)
Misc. Notes  
Package Type Retail
Warranty

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Details
Duration:
12 months
Type:
Return to base
DOA Period:
30 days
RTB Period:
12 months
Manufacturer Contact Details
Manufacturer:
Focusrite
Reviews
Rated 5 out of 5 by 1 reviewer.
Rated 5 out of 5 by Easy to use. I can see why Focusrite has a great reputation. I chose this pre amp in preference to a rack mounted one as it sits neatly on top of other equipment. I wish that I had bought this pre amp long ago! It produces very clear vocals. 06 March 2016
  • 2016-05-20 T12:52:30.786-05:00
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Questions & Answers
Focusrite ISA ONE Mic Pre Amp
Focusrite ISA ONE Mic Pre Amp