SPL PASSEQ in Studio Magazin

“Its passive design could already convince experts around the globe, so that the current new Passeq is a completion of the old but constantly fresh and new concept of a passive filter design. The Pultec is still THE ‘prototype’ of a passive filter, but SPL’s contribution on this issue has acquired such a status, that […]

SPL PASSEQ at Bonedo

“Awesome sound – artful device – high-quality manufacturing” At online music portal Bonedo you will find a review plus audio files about our new PASSEQ Mastering Equalizer which is definitely worth reading. “PASSEQ is a classic dual-mono-hardware-eq, which means that each of its both channels can independently be processed.” “This 10 kg heavy 19-inch monster […]


It’s about time to reveal the secret behind our three new SPL devices! There will be a worthy successors to our classic Passeq, which will be specialized in Mastering – the PASSEQ Mastering Equalizer. Our legendary Mastering Console DMC also enters the second round. The new DMC was developed from scratch and we managed to […]


3 countries, 3 bands, 3 disciplines. We are proud to sponsor 27tapes! Crossing borders in every way, right here. Connecting Holland to Belgium to Germany. Bringing together the most epic and promising bands. With visual virtue, audio excellence and online awareness. This is what it all adds up to. One premium production collective, 27tapes. Besides […]

Smart EQ Selection in Electronic Musician – SPL Passeq

The March 2015 issue of Electronic Musician features a very interesting article about smart selection of EQs. The SPL Passeq Analog Code plug-in, which emulates our 120-Volt passive EQ of the same name, was obviously included. Michael Cooper raves about it: “Several plug-ins emulate equalizer. One of the sweetest-sounding and most flexible I’ve used is […]