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IGS Audio Photon 500

IGS Audio Photon 500

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IGS Audio Photon 500

The IGS Audio Photon 500 is a 500 series opto compressor inspired by the LA-3A and LA4 compressor and limiter.


The IGS Audio Photon 500 is a single-channel compressor with simple controls based around Peak Reduction and Output knobs augmented by additional features accessible via four switches. A ratio control provides a choice of three ratios: 2:1, 4:1 and 12:1 while a Side chain HPF switch prevents unwanted compression triggered by excessive bass. Finally a Mode switch let you choose between smooth opto compression (London) and aggressive tone (New York).


The Photon 500 uses an electronically balanced input with an 2520 compatible op-amp and a Carnhill output transformer.


 IGS Audio Photon 500 Compressor Main Features:



  • Impedance: 10kOhm input, 600Ohm output via Carnhill transformer

  • Max input level: +24 dBu, max output Level: +32 dBu

  • Gain: 30dB, total harmonic distortion: max 0.5%

  • Frequency response: +/- 0.2 dB 8Hz to 20kHz

  • Sidechain HPF: flat, 60Hz, 120Hz

  • Signal to noise ratio: >99 dB

  • Hard-wire bypass, plus London/New York switches for advanced Slam-like compression curve modelling

  • Suitable for 500-series 'lunchbox' racks (1 slot, max 110mA)

Short Description 500 series opto compressor inspired by the LA-3A and LA4 compressor and limiter.
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Manufacturer IGS Audio
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Inc. VAT: £579.00 Ex. VAT: £482.50
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