Kit installed on a tube amplifier HIFI Stereo 4 EL34 tubes (2x35 watts) so I install two kits but you can not install only one
It drops 2x 15 watts with the kit but going from AB CLASS A CLASS
Originally OCTAL tube support becomes NOVAL APRS installation kit which comes with 2 EL84 per kit.
No rglage just ask the BIAS RULES automatically (even when I have no problem testing the values ​​are good).
A softer sound, better prsence more respect for scne sound.
Trs satisfied with the product, especially given the seller to me all the explanations and dtails Product.
address or obtain the product http://perso.wanadoo.fr/vhm/home.html

YELLOW JACKET worry is that it is more cumbersome than the KT50
The report price is good quality tubes 2 pounds per kit no longer dpense for rglages." rel="ugc noopener" target="_blank">

Nothing is easier to install
Aprspriode tubes running a good sound trs
Year but no documentation "is not necessary.

The EL34 tube between ranges I sound a little too dry with the EL84 is softer.

I have a system that identical dja essay on the YELLOW JACKET worry is that it is more cumbersome than the KT50
The report price is good quality tubes 2 pounds per kit no longer dpense for rglages.