Focusrite ISA Two – Dual Transformer-Based Microphone Preamps
The Focusrite ISA Two delivers two independent channels of legendary ISA preamp quality, built upon the classic design of the ISA 110 module with the original Lundahl LL1538 input transformer specified by Rupert Neve. Perfect for capturing vocals and instruments, the ISA Two combines traditional solid-state electronics with modern versatility, offering variable input impedance, high-pass filtering, balanced inserts, and up to 80dB of pristine gain. Whether you’re using vintage microphones or modern condensers, the ISA Two ensures your recordings achieve the highest fidelity and character.
Key Features:
- Lundahl LL1538 Input Transformer: Provides the iconic sound of the original ISA 110 for unmatched audio clarity and warmth.
- Up to 80dB of Clean Gain: Transformer and preamp stages deliver high-gain performance with ultra-low noise and distortion.
- Variable Input Impedance: Four selectable settings, including the original ISA 110 value, to match the preamp perfectly to any microphone.
- Front Panel Instrument Inputs: Dual 1/4-inch DI inputs ensure quick and easy access for guitars, basses, and other instruments.
- Variable High-Pass Filter: Smooth 18dB/octave filter with adjustable cutoff frequency from 16 to 420Hz for rumble and noise control.
- Rear Panel Balanced Inserts: Seamlessly integrate compressors, EQs, or other processors with dedicated TRS send and return connections.
- User-Calibrated 8-LED Meters: High-visibility metering for precise signal monitoring and DAW level alignment.
- Selectable Mic, Line, and Instrument Inputs: Flexibility to handle any recording setup with ease.
Classic Focusrite Preamps Reimagined
Focusrite’s ISA Two brings the revered design of the original ISA preamp to modern workflows. The Lundahl LL1538 transformer and Zobel network offer the perfect balance of character and transparency, while the addition of variable input impedance allows unparalleled control over the tonal interaction between microphone and preamp. With a massive 80dB of gain, the ISA Two handles even the most demanding studio applications effortlessly.
Flexible Connectivity and Precision Control
The ISA Two is packed with professional features, including balanced insert points, high-pass filtering, and versatile input options. Dual DI inputs on the front panel provide instant access for instruments, while rear-panel line and mic inputs ensure seamless integration into any setup. Each channel includes user-calibrated LED meters, allowing you to optimize your signal for any A-D converter or recording medium.
Enhanced Sound Design
Whether you’re capturing the nuanced tones of a vintage ribbon microphone or the clarity of a modern condenser, the ISA Two’s variable input impedance ensures optimal performance. Its adjustable high-pass filter removes unwanted low frequencies while preserving the integrity of your source, making it an invaluable tool for studio and live recording.
Software Integration
Included with every ISA Two is the Brainworx bx_console Focusrite SC plug-in, bringing the iconic sound of the Focusrite Studio Console to your DAW. Perfectly capturing the warmth and openness of the original hardware, this plug-in gives you access to the legendary ISA 110 Equaliser and ISA 130 Dynamics Modules, allowing you to take your mixes to the next level.
Rugged Build with Premium Components
Built to last, the ISA Two features a sturdy metal chassis and premium-grade components, ensuring reliable performance in the most demanding environments. Its thoughtful design and intuitive controls make it an essential addition to any professional or project studio.
