My Brand Z G725

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My Brand Z G725

Eric Adams
Phorum Expert

Posts: 825
Threads: 113
Joined: Aug 2012
City: The Villages State, Province, Country: Florida

12-26-2014, 01:33 AM

The cap checks good, Mike. Voice coil ground is ok.
Now, for the good news. There's a 1k resistor that goes from the low terminal of the volume control to ground. The 1k resistor was right on. I jumped it with another resistor and the hum went away. After some experimenting I settled on a 470 ohm resistor to replace the 1k. I'm sure someone can tell me why it works, but it sounds great now!
Thanks everyone for your input. I hope you all had a good Christmas and looking forward to a healthy and happy new year.

Eric
The Villages, FL
Member: Philco Phorum, ARF, ARCI & Radiomuseum.org

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Messages In This Thread

My Brand Z G725 - by Eric Adams - 12-25-2014, 12:53 AM

RE: My Brand Z G725 - by OldRestorer - 12-25-2014, 07:42 AM

RE: My Brand Z G725 - by Ron Ramirez - 12-25-2014, 09:25 AM

RE: My Brand Z G725 - by Eric Adams - 12-25-2014, 11:19 AM

RE: My Brand Z G725 - by Ron Ramirez - 12-25-2014, 03:45 PM

RE: My Brand Z G725 - by Jayce - 12-25-2014, 04:27 PM

RE: My Brand Z G725 - by Eric Adams - 12-25-2014, 11:40 PM

RE: My Brand Z G725 - by morzh - 12-26-2014, 01:02 AM

RE: My Brand Z G725 - by Eric Adams - 12-26-2014, 01:33 AM

RE: My Brand Z G725 - by morzh - 12-26-2014, 12:46 PM

RE: My Brand Z G725 - by Eric Adams - 12-27-2014, 01:43 AM

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