[Drakelist] TR-4 Audio Hum Question

I have used the Hayseed kit and it is very simple to install. You will need a high wattage soldering gun or other comparable device (not just a small pencil-type iron) for one one of the can caps. As somebody else mentioned, you should test the PS using a voltmeter before you attach it to

Re: [Drakelist] TR-4 Audio Hum Question

the tubes burn up. They have become quite expensive. -- Richard Knoppow Los Angeles WB6KBL dickb...@ix.netcom.com - Original Message - From: choward...@aol.com To: drakelist@zerobeat.net Sent: Thursday, May 29, 2014 6:36 PM Subject: [Drakelist] TR-4 Audio Hum Question Thanks to Gary and John

[Drakelist] TR-4 Audio Hum Question

Thanks to Gary and John for their response to my audio hum question. I plan to accomplish the easy one first; cleaning the pins on the AC-4 power plug. If that does not work, I will go to #2: re-cap the power supply. In fact, I may that in any case. But, I would like some advice. I am 74