UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post - I want to build a stereo headset valve amplifier

glowinganode · 27th Dec 2011, 8:41 pm

If you're only running high impedance headphones (50ohm?), you may like to think about OTL (Output TransformerLess) designs, which don't require an output transformer.
Rob.

27th Dec 2011, 8:41 pm	#15
glowinganode Octode Join Date: Apr 2009 Location: Aylesbury, Buckinghamshire, UK. Posts: 1,522	Re: I want to build a stereo headset valve amplifier If you're only running high impedance headphones (50ohm?), you may like to think about OTL (Output TransformerLess) designs, which don't require an output transformer. Rob. __________________ We have done so much, for so long, with so little, we are now qualified to do anything with nothing.