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IGS Audio Rubber Bands 500-Series Equalizer  From IGS

Rubber Bands 500 is a passive EQ featuring the powerful tone-shaping control of a world-class Pultec equalizer.

IGS Audio


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Manufacturer's Description from IGS

This tiny module is equipped with transformer balancing on inputs and outputs (Carnhill) as well as a discrete power circuit. Of course the entire filtering section is passive and mirrors fully analogue equalizers from the 60s.

Front Panel Features:


  • HC (High Cut)
  • HB (High Boost)
  • BC (Bass Cut) 
  • BB (Bass Boost)


  • HC: 6, 10, 20 kHz; 
  • HB: 5, 6, 10, 12, 16 kHz; 
  • BB/BC: 20, 40 , 60, 100, 180, 240 Hz.

EQ IN – relay Bypass

IGS Audio

About Manufacturer

IGS Audio is now one the most desired studio equipment brands in Poland and it is continuously expanding internationally. The original IGS Audio products qualify as pretendants to no.1. Clones of other brands produced by Igs Audio are accurate and excellent. 

IGS Audio is all about happiness in success. IGS Audio offers 3 years warranty for all products.

IGS Studio has been operational since 1997. The IGS Audio brand was created in 2003.


  • API 500 standard module
  • Passive Equalizer
  • Input impendance:1kΩ – Carnhill transformer balanced
  • Output impendance:600kΩ – Carnhill transformer balanced
  • Max input level: +20 dBu
  • Max output level: +22 dBm
  • Band amplification: +18 dB
  • Harmonic distortion THD: up to 0,1%
  • Frequency response: +/- 0.1 dB 20Hz do 20kHz
  • Signal-noise: over 99 dB
  • Power supply: +/- 16V
  • Current consumption: 70mA
  • Dimensions: (h*w*d) 132x37x158mm
  • Mass: 900g

Related Videos

Introduction to IGS Audio - Quick n’ Dirty

IGS Audio is now one the most desired studio equipment brands in Poland and it is continuously expanding internationally. With gear ranging from preamps to equalizers, IGS has everything a pro or amateur engineer could ever need. All IGS products are available for SoundPure’s Try-Before-You-Buy program, so if you want to hear how this great gear sounds in your studio with your gear, shoot us an email at ProAudio@SoundPure.com, or call us anytime at 919.682.5552. Thanks for watching!