Signal Processors

Compression is an often under-rated weapon in the electric guitarist's arsenal.

The uniquely complex, spacious swirl of a real, mechanical Leslie rotary-speaker cabinet sound in a pedal!

Mic Preamp, EQ & Routing Modules

Malcolm Toft’s latest brainchild enables you to turn your 500-series racks and modules into a fully modular analogue console.

If I could use one word to sum up the sound of this EQ, it would be ‘clarity’, which is a strange thing for an EQ designed to colour a signal. Read on ....

Pitch correction of vocal parts is now commonplace in all but a few genres. Find out how to craft a professional-sounding result.

Audio files to accompany the article.

This optical outboard compressor is cheaper than some plug-ins. What’s the catch?

We reviewed the JDK R22 compressor back in SOS June 2010, when the brand had just been launched by parent company API. You can...

500 Series rack format.

Designed to work with the Roland GK-series pickup.

ART's Tube MP/C combines a hybrid 12AX7 (ECC83) valve preamp section with the company's 'Vactrol' optical compressor, and the whole thing is all about tonal character.

With an emphasis on clarity and speed, and a not insignificant price tag, this preamp/compressor combo promises a lot. Does it deliver?

The latest version of the Digitech Whammy — the pedal-operated digital pitch-shifter that has been keeping guitarists amused...

The ingredients for this EQ are simple: a classic Baxandall tone circuit and a clean, modern rack unit — but TK have added to the recipe with some spice of their own.

For decades, Trident’s Series 80 consoles have graced world-class recording facilities. The new Series 80B dual channel strip makes this classic sound available with a much smaller footprint — and cost.

With so many software amp simulators to choose from, how do you know which one is right for you? Here’s our selection of current options, with links to the SOS review where available.

Audio files to accompany the article.

This Swedish company have a reputation for delivering professional sound quality at a budget price. Do the latest additions to their outboard range measure up?

This recreation of a Bill Putnam classic brings back to life the qualities of a long-gone era — and does so in a truly uncompromising fashion.