The EQP500 is a Pultec-style passive equalizer for the 500 series. It employs the same filter network as the Pultec PEQ1a, but instead of using tubes for makeup gain it employs a discreet opamp. The creator is planning on offering a partial kit for this project in the near future.
Images courtesy of IOAudio
- PEQ1A filter network
- Nickel-iron core inductor
- Input and output transformers based on the Triad HS-56
- Discreet Opamp socket accepts endless options from API, John Hardy, etc.
Price: Not announced yet.
More info: Keep an eye on IOAudio’s original thread to see when kits are offered.