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JA80 MKII

This 90 watt tubes amplifier, monoblock in pure class A, is the first one from the JADIS brand in 1983; it has been upgraded several times but remains the flagship of the brand.

It is an amplifier which works in "push-pull", triple load and autobias.It can work with various types of penthodes: KT120, KT90, KT88, 6550, 6CA7 or EL34.The function phase shifter is insured by a triode double ECC82 and the function driver by an ECC83.

JA80 MKII
Type: Pure class A monobloc power amplifier

Bias: automatic

Power: 90 Watt Rms per channel

Bandwidth: 20 Hz - 27 KHz

Sensibility: 500 mV

Tubes list: 6550/KT90/KT88 X 8 ECC82 X 2 ECC83 X 2

Dimensions: 260 x 625 x 240 mm per block

Weight: 35 Kg per block

Consumption: 190 W each mono amplifier

The output transformer, guaranteed for life, allows an adaptation of impedance from 1 to 16 ohms.

The cathode circuit is protected by an individual fuse.
The power transformer is oversized for a better dissipation of heat and vibrations.

The filtering of the high voltages is assured by high capacity capacitors. 
Heating the tubes is by alternate current with balance and noise reduction. 
Output terminals allow a bi-wiring.
JA80 MKII
Gold connections assure a faithful broadcast of the signals.
The device is assembled with conventional cabling "point by point" and uses a silver / copper tin solder.
The frame, in 316L non-magnetic stainless steel, does not influence the electronics and renders the device unsensitive to external disturbances.
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