Welcome Guest! Be sure you know and follow the Phorum Rules before posting. Thank you and Enjoy! (January 12, 2025) x

Thread Closed

This radio doesn't know the words!
#1

Because at low volume it hums Icon_crazy
The latest subject is a DeWald C-800 . With the volume turned all the way down, I have a steady hum. It doesn't get any louder when the volume is turned up. It just hangs back in the background when tuned into a station.
All caps replaced (except micas). Resistors checked and replaced as necessary. All tubes tested ok. Alignment done. On both AM and FM stations come in loud and clear.

Any ideas? This has really got me . I may take a ride over to freezing lake Michigan and jump in-like someone else we know Icon_lol Icon_lol  

Thanks,

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



Messages In This Thread
This radio doesn't know the words! - by Eric Adams - 12-14-2014, 01:23 AM
RE: This radio doesn't know the words! - by morzh - 12-14-2014, 12:39 PM
RE: This radio doesn't know the words! - by morzh - 12-14-2014, 04:41 PM
RE: This radio doesn't know the words! - by morzh - 12-14-2014, 08:43 PM
RE: This radio doesn't know the words! - by morzh - 01-04-2015, 08:13 PM
RE: This radio doesn't know the words! - by Arran - 01-04-2015, 10:59 PM



Users browsing this thread: 2 Guest(s)
[-]
Recent Posts
Philco 71 Code 125
Hello,  I am in need of a schematic for this radio. Mine has the three separate circular tube shields and a shadow me...dconant — 08:06 AM
Stromberg Carlson 1500 Squeal
And life just keeps getting more complicated.dconant — 07:57 AM
54C Complete Teardown/Rebuild
Hello Roy, here is this one sincerely Richardradiorich — 12:45 AM
54C Complete Teardown/Rebuild
Richard, Had grabbed it already but thank you just the same.  I find myself wanting to find some way to block out the...glyphmon — 12:03 AM
54C Complete Teardown/Rebuild
Hello roy, here is a link to the schematic . Sincerely Richardradiorich — 11:54 PM
54C Complete Teardown/Rebuild
Richard, The Silvertone 2014 also is a transformerless set, so I am incorporating a 1:1 600 ohm audio isolation transfo...glyphmon — 11:37 PM
Preliminary work on wife's Silvertone 2014
Did an alignment today which was interesting.  IF alignment went great, almost all was already spot-on.  Adjusting on th...glyphmon — 11:35 PM
54C Complete Teardown/Rebuild
The main problem with adding a Bluetooth input is that this set lacks a traditional power transformer to isolate it from...radiorich — 11:19 PM
54C Cabinet Refinish
I started stripping this cabinet before it got super chilly out because I knew I wasn't going to be able to work on ...glyphmon — 11:18 PM
54C Complete Teardown/Rebuild
While I'm waiting to wrap up the final steps on my wife's Silvertone 2014, I started disassembly on the next project.  O...glyphmon — 11:07 PM

[-]
Who's Online
There are currently no members online.

>