Re: [drakelist] TR7A -- 60 Hz Hum in Headphones

Rob, Drake put a resistor in series with the "hot" lead on the headphone. My old memory says it was a 100k, 1/4 watt, but think the exact remedy is listed on the Drakelist Home Page. It's really that simple! 73, Don, WB5HAK - Original Message - From: "Rob" <[EMAIL PROTECTED]> To: <[EMAIL

[drakelist] TR7A -- 60 Hz Hum in Headphones

I just acquired a TR7A. It works great. Listening to the speaker, the receiver sounds great and I have been getting great audio quality reports on my SSB transmissions. However, I do hear a pretty noticeable 60 Hz hum when I use my headphones. (I don't notice the hum in the speaker even when th

[drakelist] Vacuum tubes replacements

Hi Drake net, I am looking a web site to buy from International some vacuum tubes for my Drake equipments. Anybody can help me? 73 de IOKPL Pietro -- Submissions:[EMAIL PROTECTED] Subscribe: [EMAIL PROTECTED]

[drakelist] L4B PS capacitors

This a forwarded message from Bill Bryant, [EMAIL PROTECTED] , please email him directly if you can help.  Thanks, Gary   - Gary, one more thing ...   Do you know where I can