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Dual Four Pole

Dual Four Pole

Post Modular

£411

Like a time traveler from the tape music studios in San Francisco and New York in the 1960s, this dual filter (based on the core of a classic all discrete transistor filter built way back then), arrives to your studio. The left side is a hipass filter with two cutoff CV inputs, each with a reversing attenuator and voltage controlled resonance. The right side is a lowpass filter with two cutoff CV inputs, each with a reversing attenuator and voltage controlled resonance. These old school filters will not self oscillate, but they will screech and growl with the best of them. No IC amplifiers any

Post Modular's own words, read from their page.

Buy from POST MODULAR LIMITEDPOST MODULAR LIMITED is a UK retailer, not the maker. Out of stock. Price seen 2026-09-26. Not an affiliate link, we earn nothing from it.

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The part other shops don't tell you. Three separate questions, kept separate on purpose, each with its source.