Full Description
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Each channel's high-pass filter has a variable cut-off frequency of 16 to 420 Hz selected from the front panel and has an attenuation of 18 dB/Octave - also used in the ISA110 module that was introduced during the 80's. The high pass filter, phase-invert, insert point and phantom power can all be switched in and out per channel with the front panel controls.
Eight-segment LED arrays offer clear metering of both signals, whilst a calibration knob on the rear panel enables lining up of analogue signal levels to stop clipping and optimize your signal path for any DAW or recording system.
Superb sound spanning four different decades
Focusrite's microphone preamplifiers go back to the original Focusrite ISA 110 modules, when Rupert Neve was given authority by George Martin in 1985 to build a channel strip for his Neve console. Focusrite mic pres combine the very best solid-state electronics with transformer coupling and have played a key part in the recording of hundreds of hit records, making them the choice of leading artists, producers and engineers around the world.
Lundahl Transformers
ISA products have relied on Lundahl from the beginning, since their components were originally specified in 1985. The LL1538 has a 3-section winding, giving very low leakage inductance and an extended frequency response as a result of this. The Lundahl Transformers are housed in mu-metal cans to protect them from stray magnetism.
Variable input impedance and up to 80 dB of gain
ISA Two has two classic Focusrite mic preamps, with four impedance settings including the original ISA 110 setting. Variable input impedance lets you to go for an accurate, transparent sound or choose to highlight the character of your favourite vintage mic ? and anywhere in between. With up to 80 dB of low-noise gain, ISA Two can perform in even the most demanding situations.
Insert your choice of processors
A fully balanced insert point found via TRS sockets on the rear panel for each channel and is enabled with a front-panel button, making it easy to use outboard processors by plugging in your choice of EQ, compressor or limiter.
Mic Pre Masters
Focusrite are world renowned for the premium design and build quality of their microphone preamps, offering professional results for home and commercial recording. The Mic Pre Masters website provides video demonstrations and interactive audio stems which allow you to hear isolated tracks from recordings done exclusively through Focusrite preamps. The interactive demonstrations allow you to hear exactly how each preamp from the Focusrite range treats individual instrument elements to ensure you purchase the perfect interface for your desired application.
Features
- Transformer-based mic preamplifiers
- Variable input impedance
- Up to 80 dB of clean, low-noise gain
- Variable cut-off high-pass filter
- Eight-segment user-calibrated LED meter per channel
- Two front panel instrument inputs
- Dedicated per-channel insert point
- 1U 19" rack-mount format
Specifications
Front panel, per channel:
- 1/4" instrument input
- Variable input impedance - Low, ISA 110, Medium, High
- Input selection - Mic, Line, Instrument
- 0 - 30 dB/30 - 60 dB gain switch
- Phantom power switch
- Phase invert switch
- 0 - 60 dB gain in 10 dB steps
- 0 - +20 dB continuously variable trim
- Variable high-pass filter with on/off switch
- Insert point on/off switch
- Eight-LED user-calibrated level meters
- Single power switch
Rear panel, per channel:
- XLR-F mic inputs
- 1/4" TRS line inputs
- 1/4" TRS Sends
- 1/4" TRS Returns
- XLR-M line output
- Single peak meter calibration dial
- Single IEC power socket
Your order may contain items that use a 240V UK plug or a 220V EU plug
Any electrical items in your order may have been designed to work with a 240V circuit, using a United Kingdom G type plug connection or a 220V circuit, using an EU plug connection. An adapter or transformer may be required for these items to work properly and safely in your country.
Some items work with a range of voltages, or have a switchable voltage control built in. Please refer to the specific product details for further information.