UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post

YT2095UK · 9th Dec 2009, 10:06 pm

funny you should mention that, Herald sent me a couple of EF92s a week or so ago, and I tried one based upon the idea that seemed a shame to use 91 that will do VHF, when a 92 that that will do HF for a LW/MW radio.
and although I can`t exactly say it didn`t work, it was Incredibly Quiet in comparison and required Full volume to be listenable, and that came with the requisite Hum that full vol will give (esp when your shielding is as bare as mine).
it would be Nice to have it compatible with both, but I don`t think the cct is "Stiff" enough yet to support both.

9th Dec 2009, 10:06 pm	#22
YT2095UK Retired Dormant Member Join Date: Sep 2009 Posts: 487	Re: My new Superheterodyne! funny you should mention that, Herald sent me a couple of EF92s a week or so ago, and I tried one based upon the idea that seemed a shame to use 91 that will do VHF, when a 92 that that will do HF for a LW/MW radio. and although I can`t exactly say it didn`t work, it was Incredibly Quiet in comparison and required Full volume to be listenable, and that came with the requisite Hum that full vol will give (esp when your shielding is as bare as mine). it would be Nice to have it compatible with both, but I don`t think the cct is "Stiff" enough yet to support both.