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Title: Can I use KT66s with Nik's standard Power transformer Post by: BillyRocket on January 26, 2015, 02:21:20 AM I am enjoying the amplifier that Nik built for me - it's sounds wonderful and his workmanship is outstanding! I am writing to ask if the power transformer specs would allow me to run KT66 power valves, as I have read they draw a greater heater current than the 5881 / 6L6 valves. I believe the KT66 draw 1.3 amperes and the 5881 / 6L6GB draw only 0.9 amperes for heater current. I really don't want to fry the transformer just trying some different valves! Cheers and thanks in advance for any advice - this is a GREAT amp! Title: Re: Can I use KT66s with Nik's standard Power transformer Post by: BillyRocket on January 27, 2015, 03:34:27 AM I emailed Nik and he informed me that the PT is rated at 6A in these amps - and will cope with the extra current of KT66 tubes - it will of course run a little hotter but at the moment the heat from the Xformer is not great ( I have had several amps which seem to run much hotter including an English made Mxxxxxxx amplifier ;)
Quick reply to my query from Nik - great service for great amps! Rock on ;D |