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  • IGS Audio Photon 500 - Black

IGS Audio Photon 500 - Black

NEW! Special Order. Final Sale. Please check with us for current ETA.
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Product Description




The PHOTON 500 is an optical compressor, based on technology from the 60's, first used in the UREI LA-2A limiter and later in the LA4. As an homage to these legendary products, we packed this technology in a 500-series module. The 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. The PHOTON 500 has an electronically balanced input with 2520 compatible op-amp in the gain stage. Custom output transformer.


Front panel:


- Peak Reduction: controls the gain of the side-chain circuit,
- Hard wire Bypass,
- Ratio: 2:1, 4:1, 12:1,
- Sidechain Hi-Pass filter: Flat, 60, 120Hz,
- London/New York: Advanced compression curve modeling, like SLAM.
- Output: 12-pole stepped makeup gain.


- 500-series module,
- Input impedance: 10kOhm,
- Max input level: +24 dBu,
- Output impedance: 600O by Carnhill,
- Maximum Output Level: +32 dBu,
- Total Harmonic Distortion: max 0.5%,
- Frequency response: +/- 0.2 dB 8Hz to 20kHz,
- Gain: 30dB,
- HPF: Off, 60Hz, 120Hz,
- Signal to noise ratio: more than 99 dB,
- Power supply: +/- 16V, Power consumption: 110mA,


Product Videos

IGS Audio Photon 500 sound check. 01:18

The Photon 500 disco drum sound check.

  • IGS Audio Phot...
    The Photon 500 disco drum sound check.

Warranty Information

Comes with Manufacturer's 3 Year Warranty

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500 Series  Black  IGS  IGS Audio  

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