Focusrite ISA ONE Single-channel microphone preamplifier

Make your recordings shine
Focusrite ISA ONE microphone preamp
The Focusrite ISA ONE equips you with flexible tools for capturing the best possible sound when you're tracking lead vocals, acoustic instruments, electrics guitars, and more. Its rugged, portable design exudes "classic," right down to the VU meter and retro blue and yellow color scheme. And "classic" it is, through and through: it uses the same transformer-based design as the preamps found in Focusrite's legendary, high-end Forté mixing console. Only 10 of those consoles were ever built (for some of the finest recording studios in the world), but the ISA ONE lets you "grab a channel" from that board for a surprisingly modest price, offering superb, pro-quality sound and tons of tweakability.

Focusrite ISA ONE Single-channel microphone preamplifier

Intuitive controls
Front-panel buttons and control knobs are logically laid out, clearly marked, and intuitive to use. A pair of dials dedicated to input gain let you set the correct range and then tweak the signal to perfection. A 4-position switch lets you match the preamp's input impedance to your specific microphone — or play around with creative "mismatching" to tailor the mic's response to the sound you're after. There are also handy front-panel push-button controls for phantom power, phase, headphone output level, and more.
Record vocals and instrument tracks simultaneously
The ISA ONE lets you connect just one mic at a time, but line inputs and a built-in independent DI (direct insertion) interface add an extra dimension of versatility. Let's say you're tracking a new tune by a local folk songstress. She can plug her guitar into the front-panel instrument input to record it along with her vocal. The DI interface has its own impedance and gain settings, easily accessed by front-panel controls. "Main" and "DI" XLR outputs let you route both signals independently to your mixer or computer audio interface. When it's time to spice up that tune with some electric guitar overdubs, you can mike your guitar cabinet while simultaneously capturing the direct instrument signal, for more options when you're mixing.

With sound quality so good, you'll want to use the ISA ONE for all your studio projects. Thanks to its solidly built chassis and integrated carry handle, you can move it around anywhere in your recording space to get the job done.
Product Highlights:

classic Focusrite ISA series transformer-based microphone preamp delivers exceptional detail
independent DI (direct insertion) channel for recording guitars, basses, and other instruments
rugged, portable metal chassis
flexible input gain settings via stepped range selection dial and separate 20 dB trim dial
4-position mic input impedance selector
backlit VU meter and peak LED meters
switchable +48V phantom power for XLR mic input
75 Hz high-pass filter lets you roll off low frequencies
phase inverter switch
optional stereo 24-bit/192kHz analog-to-digital converter available from Focusrite
removable power cord

balanced XLR mic input
balanced XLR and 1/4" TRS line input jacks
unbalanced 1/4" TS instrument input
left and right "Cue Mix" 1/4" TRS inputs for routing external stereo sources to the headphone output

balanced XLR main and DI outputs
1/4" TS "Amp" output for routing instrument signal back to an amplifier
1/4" TRS headphone output and dedicated gain control
1/4" TRS insert send and return jacks for looping in additional processing

frequency response (mic): 10-125,000 Hz (-0.5dB @ 10Hz/-3dB @ 125kHz)
8-11/16"W x 4-1/8"H x 11-7/16"D
weight: 8.6 lbs.

21 August 2017 /
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