GEQ500 is a 16 Band Graphic EQ based on the 560 but with 6 extra bands and 3 switchable boost/cut ranges +/- 3dB, 6dB & 12 with RGB led to show range and EQ in. Can be switched to OUT which leaves DOA & transformer audio path inline or BYPASS which relay hard bypass the whole 500 module.  F…

PEQ500A is a full Pultec EQP-1A & EQP-1R type passive EQ circuit combined but with 8 extra low frequencies and 5 extra high frequencies. The BW (bandwidth) control for the high boost bell curve can go twice as wide as a normal Pultec and it can also do one thing I have never seen on any other Pultec…

FREQ500 is a very powerful 500 module with fully variable 5 BAND + HPF active EQ. EQ that sounds natural. We can supply this EQ as a 51X version. If you want 51X version please mention this in the comments section when checking out. EQ circuit is a sidechain feed-forward equalizer so has an …

PEQ-1 Mono Passive Equaliser Pultec style Passive EQ with many extra Frequencies and options High Cut shelf from 0 to -16dB switchable to 1kHz, 1k5kHz, 2kHz, 3kHz, 4kHz, 5kHz, 8kHz, 10kHz, 12kHz, 16kHz, 20kHz, 25kHz. High Boost bell/shelf with variable BW / Slope from 0 to +16dB switchabl…