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825EQ

Dual Mono Tube Mastering EQ

The 825EQ is a mastering-grade stereo equalizer designed to unite precision control with unmistakable analog character. Built around premium ELMA stepped switches, inductors, and tube amplification, it delivers repeatable, surgical adjustments while preserving musical warmth. Housed in a 3U 19″ rack chassis, the 825EQ is engineered for professional mastering and mix-bus applications where accuracy, depth, and tone all matter equally. Transformer-balanced I/O and a robust linear power supply ensure signal integrity at every stage, making the 825EQ a reliable centerpiece for studios seeking refined control with vintage-inspired sonic richness.

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Mastering Precision with ELMA Stepped Controls
The 825EQ is equipped exclusively with ELMA stepped switches, providing the consistency and recall accuracy required for mastering workflows. Each adjustment is deliberate, repeatable, and designed to deliver subtle yet impactful tonal changes.

Inductors and Tubes for Musical Tone Shaping
At the heart of the 825EQ lies a carefully tuned analog topology where inductors and tubes interact to create harmonically rich, three-dimensional sound. These elements introduce gentle saturation and depth, enhancing clarity without sacrificing musicality.

Transformer-Balanced Signal Integrity
UTM transformer-balanced inputs and outputs, combined with three audio transformers per channel, preserve signal purity while adding a refined analog texture. This design ensures excellent headroom, low noise, and faithful translation across playback systems.

Tube Warmth with Flexible Voicing
Each channel uses three ECC88 tubes, with support for alternative 6N23P or 6N1P valves. This flexibility allows engineers to tailor the tonal character to suit different material, from lush vocals to vibrant, dynamic instruments.

Stable Power for Critical Audio Work
A linear internal power supply delivers clean, stable energy to all components, minimizing noise and ensuring dependable performance during critical mastering sessions.

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Testimonials

Our Raving Fans

★★★★★

I picked up two of their 500 Series modules and I’m blown away. The noise floor is low, the gain is clean, and the knobs feel like they belong on a much pricier unit. They’ve definitely become permanent residents in my…

Read moreI picked up two of their 500 Series modules and I’m blown away. The noise floor is low, the gain is clean, and the knobs feel like they belong on a much pricier unit. They’ve definitely become permanent residents in my signal chain.

Nur Hakim
★★★★★

We needed hardware that looks good in client-facing environments and performs consistently. Their products tick both boxes. The minimalist design is beautiful on camera, and the durability has been excellent.

Cheryl Wong
★★★★★

The dynamics processor is ridiculously good. Smooth compression, no weird pumping, and the controls respond exactly as expected. It’s become my go-to for vocals and acoustic guitars.

Darren Tan
★★★★★

We installed their signal distribution system across two rooms, and it’s been flawless. Zero hum, zero dropouts. The build quality is impressive — you can tell it’s made to last. Easily one of our best purchases this year.

Faridah Sulaiman
★★★★★

Our studio upgraded to their 19″ rackmount units and the improvement was immediate. The layout is intuitive, connections are rock solid, and the unit hasn’t glitched once. Setup took minutes and everything just works.

Asha Ravi
★★★★★

I’ve been mixing on these studio monitors for the past three months, and the clarity is honestly next level. The stereo imaging is tight, the low end is controlled, and the build feels solid. It’s the first time I’ve used…

Read moreI’ve been mixing on these studio monitors for the past three months, and the clarity is honestly next level. The stereo imaging is tight, the low end is controlled, and the build feels solid. It’s the first time I’ve used monitors in this price range that actually translate well outside the studio.

Jason Lim