13-09-2017, 11:41 AM
(12-09-2017, 02:35 PM)Geordie McBoyne Wrote: These 2volt valve radios can give almost as good results as many AC mains receivers.
I agree, and for a few watts of power. My 67A is drawing 4W from its 7.2V battery (which supplies a DC-DC converter giving HT, LT, and GB. (And 0.5W of this lights the scale lamp...)
I'm conscious that it's not yet giving its best, but it does sound good! 1W rated output from the QP25!







