Jadis JA120

Jadis JA120

Manufacturer:
Jadis Electronics
Type:
Triple push-pull monoblock power amplifier, Pure class A
Power:
100 Watt per channel
Bias:
Automatic
Sensitivity:
560 mV
Tubes:
12 X KT120, KT88, 6CA7, EL34 / 2 X ECC83/12AX7 4 X ECC82/12AU7
Frequency Response:
15Hz to 38kHz
Number of blocks:
2
Consumption:
250 W each mono amplifier
Size:
71 x 30 x 26 per block
Weight:
45Kg per block

27 200,00€

About product

DESCRIPTION

These amplifiers work in "push-pull" configuration, triples load and autobias.
They can work with various types of penthodes: KT120, KT88, 6CA7 or EL34.

A balanced version is also available.

The function phase shifter is assured by a triode double ECC82 and the function driver by an ECC83. The output transformers, guaranteed for life, allow an adaptation of impedance from 1 to 16 ohms.

The power transformer is oversized for a better dissipation of heat and vibrations.

The cathode circuit is protected by individual fuses.

The filtering of the high voltages is ensured by high capacity capacitors. 
The tubes are heated by alternate current with balance and noise reduction. 
Two output terminals allow bi-wiring.
Gold connections ensure a faithful broadcast of the signals.
These devices are assembled using "point to point" wiring with silver / copper solder.
The frame is made of non-magnetic stainless steel which  protects the device from external disturbances.

Released in 2013, the new JA120 builds on Jadis' tradition of combining fine hand craftsmanship with state-of-the-art innovation and design. The JA120 benefits from several important enhancements and raises the bar with no-compromise regarding audio performance.

REFERENCES

French presentation
review
italian webzine

Warm and weighty, the JA120s stay just the right side of overly kind or romantic, never robbing a lip of its curl or a snarl of its spit and attitude.
"you'll find no better or more tractable tool than the JA120. Big, heavy and pricey it may be, but it has power to spare and musical authority to burn. The trick is to deliver that, but to master subtlety and delicacy too - and that's where the 120s really score." 
- Roy Gregory, HiFi+, November 2012

About brand

Jadis Electronics

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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