Solid State Logic UltraViolet EQ 500 Series Equalizer

Solid State Logic UltraViolet EQ 500 Series Equalizer

The SSL UltraViolet EQ 500 Series module brings one of Solid State Logic's most musical EQ circuits into the popular 500 Series format, taking the minimum phase-shift "Violet" stereo EQ section first developed for SSL's Fusion mastering processor and pairing it with two fully parametric SSL mid-band EQs. As a result, engineers get a stereo equalizer that combines the smooth, transparent top and bottom end SSL is known for with surgical mid-range control, all in a compact lunchbox-friendly module. In addition, the inclusion of SSL's signature "Focus" mode means the UltraViolet EQ can move from gentle tonal shaping to aggressive, narrow-Q surgical work without switching tools. OneStopMusic South Africa stocks the SSL UltraViolet EQ 500 Series for studios and producers across South Africa looking to add SSL's signature sound to their 500 Series rack.

What Makes the SSL UltraViolet EQ 500 Series Stand Out

The high and low frequency shelving bands are derived directly from the Fusion Violet EQ, offering selectable frequencies of 8kHz, 12kHz, 16kHz and 20kHz on the high shelf, each with up to ±9dB of boost or cut for smooth, musical top-end shaping. However, where the UltraViolet EQ really separates itself is in its mid-range section: two fully parametric mid-bands cover 400Hz-9kHz and 100Hz-1.1kHz, each with ±9dB of gain that extends to an impressive ±18dB when Focus mode is engaged, automatically narrowing the Q for precise, surgical corrective work. A 5-frequency selectable high-pass filter, ±12dB output trim, and a hard bypass switch round out the control set, whether you're tracking, mixing, or mastering. Built as a stereo module, the SSL UltraViolet EQ 500 Series is equally at home processing a stereo bus, a stereo synth, or a pair of matched mono sources, making it a versatile addition to any 500 Series chassis available through OneStopMusic South Africa.

Tech Specs

• Format: 500 Series stereo equalizer module

• EQ Architecture: 4-band design (HF shelf, HMF parametric, LMF parametric, plus HPF)

• High Frequency Shelf: ±9dB gain, selectable at 8kHz, 12kHz, 16kHz, 20kHz

• High Mid-Frequency Parametric: ±9dB (±18dB in Focus mode), 400Hz-9kHz

• Low Mid-Frequency Parametric: ±9dB (±18dB in Focus mode), 100Hz-1.1kHz

• High-Pass Filter: 5-frequency selectable

• Output Trim: ±12dB

• Bypass: Hard bypass switch

• Focus Mode: Narrows Q and extends gain range from ±9dB to ±18dB

• Heritage: LF/HF bands derived from the Violet EQ in SSL Fusion

• Channel Configuration: Stereo

Solid State Logic

Founded in 1969 by Colin Sanders, Solid State Logic began life building switching systems for pipe organs before evolving into the world's leading manufacturer of analog and digital audio consoles. SSL pioneered industry-defining technologies — including motorized fader automation and total recall of mixer settings — and its large-format consoles became the backbone of major recording, broadcast, film, and live sound facilities worldwide, shaping the sound of countless hit records.

In recent years SSL has brought that console DNA into the personal and project studio space, with a range of award-winning audio interfaces (SSL 2, SSL 2+, SSL 12, SSL 1), compact mixers, control surfaces, channel strips, and processing plug-ins. Renowned for high-bandwidth, low-distortion signal paths and the iconic "SSL sound," the brand remains a benchmark name across professional and home studios alike.

Learn more about Solid State Logic

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