Description
Some delays chase clarity; the Aqua-Puss MkII chases mood. This is analog delay in the old-school sense — warm, slightly hazy repeats that sit behind the dry signal instead of shouting over it, closer in spirit to tape echo than to a digital clock. Drop it after your drive pedals for slapback-to-cavernous ambience, or run it into a reverb for a wash that feels lived-in rather than sterile.
The control set is small but deep. Delay sweeps from a tight 20ms doubling effect up to a roomy 300ms slap, while Feedback governs how long and how intensely those repeats trail off — push it hard enough and the circuit tips into self-oscillating chaos, which is either a hazard or a feature depending on your set. Blend dials the wet signal from a whisper-quiet slapback to a fully drenched, wild mix, giving you room to sit the effect anywhere in the chain without fighting your dry tone.
Internally it runs true hardwire relay bypass, so when it’s off, it’s truly out of the signal path — no coloration, no tone suck. Signal-to-noise sits at a clean 96dB with delay distortion held to 1% or less, keeping the repeats musical rather than mushy. It’s a compact build at roughly 4-25/32″ x 3-3/4″ x 1-3/4″ and 14 oz, powered by a single 9V battery, drawing just 16mA.
Rev. Horton Heat’s Jim Heath has made it a fly-rig staple, which says plenty about its reliability on the road.
- Delay range: 20ms–300ms
- Input impedance: >300k Ohm
- Signal-to-noise ratio: 96dB
- Delay distortion: ≤1%
- True hardwire relay bypass
- 9V battery powered, 16mA draw
- Includes 2 free 6″ cables








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