The IGS Audio RB 500 is a passive Pultec equalizer absurdly reduced in size. This tiny module is equipped with transformer balancing on input and output (Carnhill) as well as a discrete driver circuit. Of course the entire filtering section is passive and mirrors analogue equalizers from the 60s. There is separate frequency selector for low boost/cut sections. And you get the true bypass switch as a bonus!

Specifications:
  • Q factor: 0.5 - 4
  • Hard wire bypass: Yes
  • Boost/Cut Range: +/- 15 dB
  • All stepped manipulators: Frequency selectors
  • Input Impedance (balanced): 1k ohm
  • Output Impedance (balanced):600 ohm
  • Audio transformers: Carnhill
  • Operating level: +4 dBu
  • Max input level: +20 dBu
  • Max output level: +22 dBu
  • Noise level: -99 dBA
  • Frequency response: 5Hz - 20kHz, +/- 0.1 dB
  • THD+N: 0.012%
  • Power consumption: 3.5W

ConditionBrand New (New)
Brand New items are sold by an authorized dealer or original builder and include all original packaging.Learn more
Brand
Model
  • RB500 Rubber Bands 500 Series Passive Equalizer Module
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Vintage King Audio

Troy, MI, United States
Joined Reverb:2015

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