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Classi PEQ OPA Gainstage PCB

19,25 €
(16,17 € excl. vat)
Recommended retail price: 29,95 €
You save 36%, that is 10,70 €
including VAT., plus shipping
  • In stock!
  • Shipping time: 1 - 2 workdays
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Item no.
Product weight
  • 0,05 kg
Shipping weight
  • 0,10 kg


This Classi PEQ OPA Gainstage is an quality audio gainstage for the Classi PEQ project. It is based on quality OP-Amps which are favored for professional studio applications and have a great headroom and low noise floor with an outstanding natural sound. It replaces a tube SRPP Stage to build up a tubeless audio circuit. This is the PCB version for DIY users - We have also a complete PEQ Gainstage kit available.


- Ultra natural sound based on OPAs
- Adjustable Input/Output-Gain by Resistor or pot Modification
- Optional enhanceable with output/input transformers - For example: Lundahl LL5402 or Edcor XS1100
- Matched Bypass Volume
- Multiple Bypass Functions
- Ground Lift
- Voltage Filtering and Smoothing Circuit
- Easy to assemble


  • 1 x Classi PEQ OPA Gainstage PCB


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* All prices are final prices in EUR including the valid value added tax/VAT.