Signal Processors

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You wait ages for a Virtual Buss Compressor, and then three come along at once.

There's more to loudness than meets the ear — and after years of research, TC know more about that than most.

If you're willing to pay for the best, CEDAR Audio's suite of plug-in processors could give you results that justify the investment.

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Can this innocent-looking 1U rack really improve the performance of any speaker system?

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

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

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.

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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.

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...

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.