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Flagship power amplifier. The JA500 is made of 4 blocks: two for power supply and two for amplification, it has the same number of tubes as the JA800 had but has improvements in reliability and ease of set up. These power amplifiers can delivers a mind-blowing 350 watts per channel.
The JA500 will bring you where only few power amplifiers may pretend to. Despite its massive power capability the Jadis JA500 remain highly musical. This state of the art tube power amplifier is able to handle any kind of speakers, even those that are really demanding. The sentence that describe the best these units is: “an iron fist in a velvet glove”.
Encouraged by this success, he decided in 1983 to rationalise his production and participate to the fundation of the JADIS Company. In the beginning, the amplifier was manufactured unit by unit, from the original plans, but quickly Mr Calmettes turned out his own technicians, who were able to produce electronics in accordance with his philosophy.
The quality of these amplifiers is, for the most part, provided by their output transformer. With an original conception and being as good as indestructible, it gives the amplifier absolute stability, whatever the load may be. Entirely made within the JADIS Company in Villedubert, it is wound by hand and then it is poured into a special resin, guaranteeing maximum soundproofing and thermal stability. As for the power, the specifications are amazing: the maximum acceptable power is 2500 W before saturation.
Being the only ones in the world which respect these specifications, the JADIS amplifiers give fantastic dynamics as much in the bass tones as in the higher trebles. They present a total lack of coloration, and most of them work in pure class-A.
For these reasons, it constitutes the ideal amplification system for all acoustic speakers, whatever the impedance curve, the type of functioning, or the efficiency may be.
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