Channel One presents a Swiss army knife of tools to help prime any vocal, instrument, digital or analogue audio source for mixing. Each Channel One features a tube/solid-state preamp, DeEsser, compressor limiter, EQ and even a personal headphone monitoring section providing an independent mix for artists.
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- Fully-featured studio recording channel strip
- Tube/transistor hybrid preamp technology
- Built-in reverb friendly noise gate
- Smart DeEsser with built in auto threshold feature
- Compressor powered by Double-VCA-Drive
- 3 band equaliser including field-effect processing
Channel One’s dynamic processing section features a noise gate which operates intelligently without removing reverb tails, and a compressor/limiter based on SPL’s proprietary Double-VCA-Drive® circuitry. The compressor offers amazing noise and distortion characteristics via a truly musical timbre.
Finally the Channel One EQ is optimised for voices, acoustic and electronic instruments. In addition to the low, mid-high and air-band filters, the EQ also features a field-effect distortion stage for subtly distorting signals and adding additional character to sources.
A wealth of options are made available with Channel One to assist recording engineers and producers in cleaning up a source ready for mixing.


The DeEsser section subtly removes offending sibilants by processing only S-type frequencies. This ensures incorrect information is not removed from the frequency array and vocal tonality remains intact. SPL's DeEsser section features an auto-threshold feature which actively compensates for source volume variation, accommodating the signal for vocalists with perhaps less than perfect technique.

The Channel one preamp section features three individual inputs optimised for a wide range of sources. The balanced microphone input is armed with 48V phantom power for condenser microphones, phase reverse and an on-board subsonic filter, whilst the line input has a precise balancing stage for low-impedance sources. Finally the high-impedance, low-noise instrument input is situated directly on the front panel for ease of access by recording or control room musicians.