The Focusrite ISA One is an excellent way to tap into the legacy of the Forte console in an ultra-portable format. The ISA One is built on the topology of the original ISA 110, including the Lundahl L1538 transformer and Zobel network. Inputs for microphone-, line-, and instrument-level sources cover all of the bases. A variable impedance selector also lets you dial in the response you need. Plus, the ISA One's instrument- and microphone-level inputs run in parallel, so you can blend the direct signals.
Focusrite's ISA preamps are designed to give you the same classic performance and sound as the legendary Forte console, which is often thought of as the pinnacle of analog recording. The ISA One gives you this preamp design in a portable desktop form factor. You no longer have to go through the hassle of un-racking and re-racking your gear when you have to track elsewhere. And forget hiring a team and truck to move a Forte! Now you can just grab your ISA One and go.
The microphone input on the ISA One offers the awesome addition of impedance matching. Since so many mics like to see a different impedance at the preamp, one size doesn't necessarily fit all. With the ISA One, you come prepared. You can select between four different levels to match with the mic you're using. Or break the rules and find an "incorrect" sound that works for your needs! No matter the mic you choose, you'll be covered by the ISA One.
One of the best features of the ISA One is all of the tracking options you get in such a compact package. You get mic-, line-, and instrument-level inputs - you can actually blend an instrument input and a mic input at the same time. Then you can listen back to your mix through the headphones out, while the sounds you need get on your track.
At the heart of the ISA range is the microphone preamplifier with its Lundahl input transformer — essentially the same circuit, based on the original ISA110, that has been used for 30 years in successive Focusrite designs. The input transformer imparts a special character to the sound that can't be truly emulated in any other way: inseparable from the microphone itself, the transformer input stage is ideal for use with classic microphones. But this mic pre has a twist the original didn't have, which makes it far more versatile: four carefully-selected impedances allow you to match microphone to input in different ways. Bring out the character of a classic mic or emphasise a special feature, or go for a totally transparent, modern sound — it's up to you.Whether you're an artist, engineer or producer, you'll appreciate the versatility of the ISA One, with its front-panel DI input. The DI includes low/high impedance switching and an amplifier output, and its own feed to the optional A/D converter and separate rear-panel XLR output.
Encased in a rugged and portable chassis, ISA One offers the classic Focusrite microphone preamplifier at its lowest cost to date.
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.
Choose one of four carefully selected input impedances, including the original ISA110 setting, to suit any microphone.
ISA One can feed either a sum of the two input to the headphones output, or an external stereo cue mix (such as a stereo feed from an interface) via two TRS jack inputs on the rear of the unit.
Allows you to place extra processing between the preamplifier or DI and the optional converter, such as an EQ or compressor.
You can chose to upgrade your unit with an optional digital card that delivers the best A-D performance in its class (dynamic range of 118dB). Alternatively, the ISA One Digital comes with the A-D converter as standard.
The original mic transformer used in the original Red modules helps to provide the unique sound and performance of this groundbreaking design.
ISA One has 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.
Featuring a rugged, portable all-metal enclosure, ISA One combines the classic Focusrite microphone preamp with a flexible, independent DI channel and optional 192kHz precision A-D conversion. At the heart of the ISA range is the microphone preamplifier with its Lundahl input transformer – essentially the same circuit, based on the original ISA 110, that has been used for 30 years in successive Focusrite designs. The input transformer imparts a special character to the sound that can't be truly emulated in any other way, while the modern twist of variable input impedance allows for a new degree of flexibility. Whether you're an artist, engineer or producer, you'll appreciate the versatility of the ISA One, with its front-panel DI input. The DI includes low/high impedance switching and an amplifier output, and its own feed to the optional A-D converter and separate rear-panel XLR output.
The Focusrite Studio Console defined countless hits of the 80s and 90s, thanks in large part to its ISA 110 Equaliser and ISA 130 Dynamics Modules. Brainworx's bx_console Focusrite plug-in brings you stunningly accurate emulations of both in a single plug-in, perfectly capturing the famously warm, open sound of two of the most revered pieces of studio hardware ever made.
All Focusrite products are built to the highest standards, and are designed to provide many years of reliable performance.
| Preamp Type | Solid State |
|---|---|
| Number of Channels | 1 |
| Phantom Power | Yes |
| EQ |
Highpass Filter |
| Phantom Power | Yes |
| Sample Rate |
Up to 192kHz |
| Bit Depth |
Up to 24-bit |
| Analog Inputs | 1 x XLR (Mic), 1 x XLR (Line), 1 x 1/4" (Line), 1 x 1/4" (DI), 1 x 1/4" (Amp) |
| Analog Outputs | 1 x XLR (Main), 1 x XLR (DI), 2 x 1/4" (Cue Mic R/L), 1 x 1/4" (Headphone) |
| Frequency Response |
10Hz-125kHz (±0.1dB) |
| Power Supply | Standard IEC AC cable |
| Width |
8.66" |
| Height |
4.1" |
| Depth | 11.4" |
| Weight | 8.6 lbs. |
| Manufacturer Part Number | AMS-ISA-ONE 815301005100 |
