IGS Audio PHOTON 500 is an optical compressor, based on technology from the 60’s, first used in the early LA-2A limiters and later in the LA4.
PHOTON 500 uses an opto-coupler, which introduces negative feedback in the audio path, taking care of gain reduction, being the basics of all compression.
It has an electronically balanced input with a 2520 compatible op-amp in the gain stage.
The output is balanced by an IGS Custom made transformer.
Photon 500 features:
- Good for compressing instruments (guitar, bass, mono synth)
- Great vocal compressor
- Work well with single drum tracks and samples
- Great all-around compressor
GR BAR: Very fast LED indicator showing the compression level in the range from 0 to 20dB.
PEAK: Controls the gain of the side-chain circuit
OUTPUT: 12-pole stepped makeup gain
RATIO: Allows to adjust the compressor ratio. 2:1, 4:1 or 12:1
HPF (Hi-Pass filter): Flat, 60, 120Hz
MODE: Advanced compression curve modeling, like SLAM.
BYPASS: Hard wired bypass
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