Focusrite ISA TwoItem ID: ISATwo
2-channel Mic/Instrument Preamp with 80dB of Gain, Switchable Phantom Power, Variable Hi-pass Filters, and Variable Input Impedance
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From Our Research Team:
Transparency + Warmth = ISA TwoThe Focusrite ISA Two mic preamp gives you the sonic essence of the legendary Forte and Studio consoles in a single rack unit chassis. You get two channels, with inputs for microphone, line-level, and direct instrument-level sources. A variable impedance selector also lets you dial in the warmth you want without sacrificing clarity. The ISA Two's DI and microphone inputs run in parallel, so you can blend the direct signal of the instrument with the sound of the miked up amplifier - a killer trick for getting bass sounds that are both fat and punchy. If warmth, transparency, and useful features are on your preamp wishlist, check out the Focusrite ISA Two.
Focusrite ISA Two Dual-mono Mic Preamp at a Glance:
The Focusrite magic: warmth plus transparency
Focusrite's ISA Two mic preamp has a distinguished heritage. Since its 1985 introduction, the transformer-based Focusrite pre amp has become something of a legend - and a benchmark for transparency. But there's something else going on. That something is a subtle warmth, courtesy of transformer core saturation. It's this apparent contradiction of warmth plus transparently open and unrestricted high frequencies, that identifies the Focusrite "sound" that continues to be in demand in top studios worldwide.
Engineering it right
The Focusrite ISA Two has some innovative thinking under its bonnet. Just what engineering innovations contribute to a superior-sounding mic preamp? For one thing, to eliminate the audible rolloff exhibited by preamps limited to the audible bandwidth, Focusrite ISA pres operate over a much greater range (10Hz-135kHz, in the case of the ISA Two). There's also the ISA topology that gives you up to 80dB of undistorted gain. How about variable input impedance, which lets you fine-tune the amount of "character" in your signal - from pristine transparency, to vintage warmth.
The Neve connection
Rupert Neve selected the Lundahl LL1538 as the input transformer for the legendary Focusrite ISA 110, and it's still the best microphone input transformer available - Focusrite specifies it in every one of their ISA Series mic pres. Mr. Neve also perfected the Zobel network (found in Focusrite's ISA circuit), which is responsible for the broad-bandwidth, ruler-flat frequency response exhibited by ISA preamps.
Focusrite ISA Two Dual-mono Mic Preamp Features:
Your studio needs a pair of superb preamps - get 'em in the Focusrite ISA Two!
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Bruce, North Canton, OH
Reviewsbased on 7 reviews
ISA Two stands it,s ground!
by Duane H. from N. FloridaI have mic preamps that cost well over twice of what this one cost, but they don,t sound right on my voice for vocals. They are too colored! And, I wanted a cleaner, but not sterile sounding dual mono... read more [+] mic preamp for acoustic guitar and keyboards, etc. So I read a ton of reviews online, and liked what I read and decided to try this. So I called my sales engineer Matt Adams, and he said that I couldn,t go wrong, and he was right! The ISA Two, is perfect for my voice and sounds outstanding on acoustic guitar, and will work on any instrument, but what I really like is the variable impedance, high pass filter, and 80db of clean gain for ribbon and dynamic mics. And, it holds it own ground with other highend mic pres as well! A great value for sure. Thanks, Matt! close [-]
November 28, 2012
Music Background: Musician, Home Studio, and Student of Music
ISA Two is the One!
by Bob McCarroll from PhoenixI owned the ISA One first and was so impressed by the quality and value ratio of the product. (clean & quiet.), that I decided to add two more channels of quality preamps....hence, the ISA Two. Love t... read more [+]hese preamps. Great service, too. As always. close [-]
October 31, 2012
Music Background: Musician
by Dave elke from Chico, CaThe ISA two is a great unit. I am producing a singer/songwriter and using it for acoustic guitar(the z options were great for a ribbon on 12th fret) bass (electric jazz bass sounds great thru instrume... read more [+]nt in), percussion and vocals. Recording vocals with this is very nice. You can work the amount of clean/dirty with all the options. Plus it plays nice with my dbx160x via the insert, (ps-i love having an insert on/off button- great for a/b.) good work focusrite! close [-]
January 17, 2013
Music Background: Musician/producer/educator
by John from CTThis thing's wonderful - it's one of thos epieces of gear you "forget about" in a good way - it does its job, sounds great, and suits a lot of applications. I've been using mine for vocals and stereo ... read more [+]drum overheads more than anything - just excellent, especially considering the price point. Won't be going anywhere anytime soon! close [-]
October 19, 2012
Perfect for my needs
by john marquette from nothern IdahoBought this preamp for my project studio because it was the right price for me for 2 channels. Previously I was using a UA solo 610, other than just going straight into the interface, and while that ... read more [+]is a marvelous unit I needed 2 inputs to try some mid side recording with a AKG c214 and c414. This thing is a huge bang for the buck. It sounds very very good and easy to use. I only gave it a 4 because I havent had it long enough to explore all the possibilities it looks like it may provide. close [-]
February 2, 2013
Music Background: part time musician, new recording engineer
Focusrite ISA Two
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