Jadis JA170 – High Power Class A Monoblocks

Exquisite Power. Timeless Craftsmanship. Pure Emotion.

Celebrate four decades of French audio excellence with the Jadis JA170 — a power amplifier that unites the authentic Jadis tone with modern engineering sophistication. Designed to commemorate Jadis’s 40th anniversary, the JA170 is not just an amplifier, but a symbol of uncompromising dedication to musical truth and craftsmanship. Every detail, from its polished stainless steel chassis to its elegant gold accents, reflects the unmistakable Jadis signature — bold, refined, and built to last a lifetime.

At the heart of the JA170 lies a powerful dual push-pull configuration of KT170 output tubes, delivering 85 watts of pure Class A power. This choice of topology ensures exceptional harmonic richness, low distortion, and an effortless ability to drive even the most demanding loudspeakers. The amplifier’s custom-designed output transformers — a hallmark of Jadis design — provide wide bandwidth and complete control over signal integrity, while separate regulated power supplies for different stages eliminate interference and deliver pristine performance.

Inside, the JA170 combines precision and artistry. Complementing the KT170s are finely tuned driver and gain stages utilizing ECC82 and ECC83 tubes. Every component is meticulously selected and hand-assembled in France, ensuring not just technical excellence but also long-term reliability. Despite its imposing weight and size, this amplifier is designed with elegance and functionality in mind, with high-grade binding posts and RCA inputs for seamless integration into any high-end system.

But the true magic of the JA170 reveals itself in listening. From the first note, it presents a three-dimensional soundstage that draws you into the performance — with voices and instruments rendered in lifelike proportion, depth, and placement. The tonal balance is unmistakably Jadis: rich and natural, yet more refined and neutral than ever before. Dynamic transients are handled with ease, offering both authority and grace across every genre. Whether you’re enjoying a delicate solo piano or a full-scale symphony, the JA170 delivers music with breathtaking realism and emotional impact.

This is more than an amplifier; it’s a piece of audio art, hand-built for the discerning listener who values not just sound, but soul. The Jadis JA170 is a long-term investment in sonic beauty — designed to inspire, to endure, and to be passed down for generations.

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Key Specifications:

  • Power Output: 85W Class A per channel
  • Tube Complement: 8 x KT170, 2 x ECC83, 2 x ECC82
  • Bandwidth: 10 Hz – 63 kHz
  • Input Sensitivity: 55 mV
  • Inputs: RCA (unbalanced)
  • Dimensions (W x D x H): 16” x 16” x 10” each amplifier
  • Weight: 101 lbs each
  • Finish Options: Traditional Gold or Brushed Silver Faceplates