Jadis Electronics JA200
The Jadis JA200 delivers velvety-black backgrounds, lucid detail and the rare ability to let orchestral climaxes bloom without strain. Stereophile found its clean power reserves exceptional for a tube design, while the Mk.II review praised its captivating midrange, strong bass and divine highs. Four-chassis, pure-Class-A grandeur for demanding loudspeakers and large-scale music.
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Nicely Roasted
Sound Quality
88/100
Build Quality
91/100
Value for Money
85/100
Pros
Exceptional low-level resolution with smooth, non-etched treble and a velvety-black background.
Clean power reserves allow complex, high-level music to expand dynamically without congestion or stress.
Mk.II presentation combines an engaging midrange with strong bass and refined, extended highs.
Relatively low output impedance suggests promising control with demanding, complex-impedance loudspeakers.
Cons
Some listeners may find the lower midrange lean and the midband more matter-of-fact than romantically lush, particularly with stock tubes.
The amplifier is sensitive to AC-line and RF noise, making careful power treatment important.
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What Reviewers Are Saying
SOUND QUALITY PERFORMANCE 88/100
Reviewers found the JA200 exceptionally clear and refined, with unusually clean power reserves and a notably grain-free presentation. Its principal reservations concern some midband matter-of-factness, less than ultimate bass weight, and spatial presentation that one reviewer felt was only partially revealed.
Transparency Resolution
94/100
Stereophile said low-level retrieval bordered on the best available from solid-state amplification, while avoiding an analytical or forced character. It also praised the absence of tube glare, smooth transient decay, and a velvety-black background; another review called the treble divine.
Tonal Balance Musicality
86/100
The JA200 earned praise for pure, sweet harmonic textures, lucid bass lines, and sparkling upper registers. However, one listening configuration was described as businesslike and somewhat mechanical through the midband, with lower mids falling short of full weight and bass lacking the last degree of punch.
Dynamics
92/100
The amplifier let loud, complex material expand and bloom without congestion or stress, and it handled orchestral and choral peaks with notable muscle and ease. Stereophile also described its clean power reserves as rare among tube amplifiers, although ultimate bass punch was said to trail a 6550A-based comparison.
Soundstage Imaging
80/100
Reviewers heard a cleaner presentation in which grit and grain were stripped away, allowing harmonic textures to come through more purely. Direct praise for image specificity or stage depth is limited, and one reviewer felt that soundstage dimensions were only hinted at rather than fully revealed.
Assessments of Build Quality, Usability, and Overall Propositions.
Build Quality
91/100
The JA200 is a substantial pure-Class-A monoblock specified at 160W, with a 130kg four-block execution and 500VA consumption per channel. Reviews note 304L polished-stainless-steel chassis, brass gold plating, and an amplifier in which Jadis did not skimp on parts quality or power-supply reservoir capacity.
Value for Money
85/100
At a listed price range of $36,400 to $48,900, the JA200 occupies a very demanding high-end market. The reviews offer strong performance praise but do not directly compare its value against similarly priced power amplifiers or state whether the premium is justified.
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Specifications
- Type
- Monoblock pure class A power amplifier
- Bias
- Automatic
- Power
- 160 W
- Bandwidth
- 20Hz to 30 kHz @-3 dB
- Sensibility
- 1.2 V
- Number of blocks
- 4
- Tubes list
- POWER TUBES X 20 ECC82/12AU7 X 2 ECC83/12AX7 X 2
- Dimensions
- 58 x 26 x 23 cm each block
- Weight
- 130Kg
- Consumption
- 500 VA per channel
Manufacturer's Description — Jadis Electronics
The emotion of tube sound, signed by Jadis
Based on the same general design as the JA80, this masterpiece of equipment offers the same sound quality with an unbelievable capability to drive the most difficult existing loads.
Capable of 160 watts per channel in pure Class A and 200W with the KT150, its unique power capability and dynamic behaviour are combined for the first time in vacuum-tube amplifier history, with the ultra low distortion and transparency of the best low-power exotic Class A designs.
Its low frequency performance is unequalled. Built with the same standard as the now famous JA80, the JA200 shares its sound consistency and unmatched reliability year after year.
The output stage of the JA200 uses 10 KT88 on each mono amp. For thermal dissipation reasons, the JA200 is built on four chassis : two amplifiers and two power supplies. Each chassis is the size of a JA80 mono amp.
The JA200 will take you where very few have gone before; 160 watts of pure class A power. This four box set of ultimate musicality features two mono-block amplifiers each with its own separate power supply. Probably the last amp you’ll ever buy…
Verified Dealers
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Authorized dealers for Jadis Electronics JA200
- Absolute Sounds — in-store — London, England, United Kingdom (website)
- Alen Audio — in-store — Extramurs, Comunidad Valenciana, Spain (website)
- AMPL’HIFI — online and in-store — Nîmes, Occitanie, France (website)
- Arizona Hi-Fi — in-store — Phoenix, Arizona, United States (website)
- Assai Audio — in-store — Centro, Comunidad de Madrid, Spain (website)
- Audio Absolute — in-store — Tambon Bang Khun Kong, Chang Wat Nonthaburi, Thailand (website)
- AUDIO EXCLUSIVE — in-store — Wels, Oberösterreich, Austria (website)
- Audio Magic - EU — online and in-store — Wola, Województwo mazowieckie, Poland (website)
- Audio Video Feel — online and in-store — Charenton-le-Pont, Île-de-France, France (website)
- AUDIO VIDEO PASSION — online and in-store — Perpignan, Occitanie, France (website)
and 33 more verified dealers