Igor’s “Not Helios” EQ is a passive equalizer inspired by vintage Helios console modules. The unit uses a Neve-like BA-283 amp for output gain, but the passive EQ section can be paired with any two-stage preamp.
- Can employ Carnhill inductors
- Neveish BA-283 output amp
- Option for 2:1 input transformer or THAT balanced line receiver chip
Price: Not currently available
- Igor’s GroupDIY thread