Signal Processors

Why let guitarists have all the fun? Stompboxes can be inspirational mixing tools.

With patch‑morphing and a built‑in step sequencer, the NightSky is no ordinary reverb unit.

We check out four pedals that emulate classic amplifier types.

This delicious‑sounding phaser should fill the needs of funk players or those trying to replicate some of the gentler Jimi Hendrix and David Gilmour effects.

Eventide have put their out‑there reverb effect into a compact pedal.

The EQ2 offers quality graphic and parametric EQ, with full MIDI capabilities, all delivered in a robust pedal. What's not to like?

Warm Audio’s Foxy Tone Box claims to be an accurate recreation of one of the most sought‑after vintage fuzz pedals of all time...

Boss got so much right with their DD‑3 that it has remained on sale ever since it launched in 1986. But this year they’ve updated it and introduced the more adventurous DD‑8.

Source Audio have managed to get the relationship between input envelope and filter response to feel very natural on this envelope-controlled filter.

This studio VCA compressor in a pedal employs THAT VCA chips like those found in, for example, modern iterations of the SSL bus compressor.

Cirrus combines delay, reverb, dynamic modulation, dynamic filtering, sample & hold modulation and octave shimmer in a single digital pedal.

I've got a Zoom MS-70CDR [multi-effects] pedal, and a few people are saying not to use it via an aux send and return, owing to a comb-filtering issue. Have you noticed this issue with digital pedals on aux returns?

11 impressive modulation processes all in one compact pedal — what's not to like?

The 1973 version two Big Muff Pi — with a ram's head printed on the casework — was used on so many classic records that EHX have decided to bring it back.

Bass9 transforms the signal from a standard six-string electric guitar into one of nine different bass sounds...

Collider is essentially a dual–DSP marriage of Source Audio's Ventris reverb pedal and their Nemesis delay.

Nano offers the same overdrive and distortion as the original Operation Overlord pedal, minus the stereo ins/outs.

Billed as a faithful recreation of the built-in chorus effect found in the Roland Juno‑60 synthesizer, the June‑60 pedal goes all out to recreate the Juno aesthetic...

Hedra offers auto–harmony, pitch detuning, pitch glide and various other less obvious but highly usable functions.

Boasting three pressure-sensitive footswitches, this delay pedal puts more control at your feet than most.

These audio examples accompany our Kemper Profiler Stage review from SOS December 2019.