GC Audio Analog Riser Handleiding


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Copyrigh GC Audio t www.gc-audio.com
GC Audio Analog Riser User Manual
Thank you for purchasing the GC Audio Analgo Riser.
We hope you enjoy using it as much as we enjoyed designing it!
The GC Audio Analog Riser is a high-end dynamics and harmonics processor, which allows you to
obtain sharp and unique dynamics and harmonics processing. It offers a unique sound signature
for demanding engineers, right up to the mastering stage.
Several years of research and development have been necessary to create this analog processor
so that it can be used in all areas of the audio business.
An uncompromising electronic design has been made to obtain an irreproachable sound quality.
The GC Audio Analog Riser will allow you to process sound with confidence and pleasure for
recording, mixing and mastering.
The Analog Riser is a fully analog design built around 5 tubes, 4 VCAs, 4 Lundhal transformers, a
hundred low noise operational amplifiers, Grayhill switches, IP knobs, etc. Its powerful
combinations of harmonic processing / make up and MS mode make it a unique machine.
No signal goes through the front panel switches. About 40 relays ensure a routing as close as
possible to the motherboard.
Each functions is trimmed in factory in order to have the best matching between left and right.
Technical Data:
1) Equalizer stage:
➢ High pass 12 dB / octave, 20hz to 300hz.
➢ Low pass 12 dB / octave, 250hz to 20khz.
➢ Low frequency 20hz to 500hz, gain -12dB to + 12dB, variable Q.
➢ Medium frequency 300hz to 6khz, gain -12dB to + 12dB, variable Q.
➢ High frequency 5khz to 20khz, gain -12dB to + 12dB, variable Q.
2) Compressor stage:
➢ Threshold -30dB to +10dB
➢ Ratio 12 steps, 1.5 to 10.
➢ Attack 0.5ms to 300ms.
➢ Release 1.5ms to 1.5s
➢ Make up -20dB to +20dB
➢ Knee setting (Soft / Hard)
➢ Auto creator setting (automatic fast Attack and Release for transcient).
3) Harmonic Stage:
➢ Harmonic generator.
➢ Harmonic mix density.
4) Tube Stage:
➢ Gain 0dB to 20 dB.
➢ 4 stages of 12AY7 tubes on each channel.
➢ High voltage power supply with EZ81 bridge.
5) Brickwall limiter stage.
➢ Fixed ultra fast attack trimed in factory.
➢ 12 steps threshold +6dBu to +5dBu.
➢ 8 steps release 10ms to 1.5s.
Typical curve limiter:
Copyrigh GC Audio t www.gc-audio.com
The Analog Riser offers 5 processing stages in one machine:
1) A 3-band full parametric equalizer with Low Cut and High Cut:
Although the primary function of this EQ is to define a multiband contour for the compressor
detection threshold, it can also be used as a stand-alone EQ.
In Sidechain mode (compressor stage on), it has a narrow bandwidth for optimal VCA stability.
The use of the equalizer in insert in the compressor sidechain allows to realize very precise dynmic
treatments. Indeed, to avoid a compression "pumping", a Low Cut is often used in the Sidechain
to discriminate for example, the bass drum. Unfortunately this does not only discriminate the bass
drum but the whole low end of the spectrum. With the multiband contour you can first find the
exact frequency of the bass drum and only separate this frequency at the level of the
compressor's release threshold.
In the opposite case, which may be desired for electro music for example, you can turn up the
gain only on the bass drum frequency which will give you a stable pumping with a good rhythmic
behavior. More globally, the multiband VCA contour will allow you to compress at different
thresholds the pleasant and the unpleasant frequencies.
2) A full VCA compressor:
This compressor is built around a state- -the-art VCA and features full adjustment of the Time, of
Threshold and Make Up components. With impeccable characteristics in terms of signal to noise
ratio and distortion, it is particularly stable.
Note that it is equipped with a new and original function: "Auto Creator". In this mode, the Attack
and Release are automatic. They will be globally fast but vary according to the speed of the input
signal. The times will be different depending on the nature of the signal: transient or constant
signal. This is a very interesting function on percussive sources or bass.
3) A Harmonic treatment stage :


Product specificaties

Merk: GC Audio
Categorie: Niet gecategoriseerd
Model: Analog Riser

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