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

Thread Closed

Philco Jr. 80
#1

Another one saved.  Picked this one up (delivered to me) for $10.  Probably not even worth that.  The glue holding the front panel to the curved side structure was completely broken so the cabinet had to be disassembled and re-constructed.  I've done very little with toners in the past so this was a learning experience.  Not a perfect job, but just ok.  Interesting that areas of the sides had absorbed more stain or whatever they used originally causing a bit of a blotchy situation.  I re-stuffed the caps  but replaced all of the dog bones with modern resistors.  Didn't think the radio warranted the work of trying to salvage the dog bones.  As you can see, there was a lot of rust so I opted to take the easy route and paint.

I did the mods that Ron recommended by adding a gimmic and re-wiring the cathode circuit.  The radio works ok but needs a good antenna.  When aligned per the instructions, I find the sensitivity at the low end of the dial to be much lower than the high end.  The instructions say to adjust the antenna trimmer at 1400 kc.  Sensitivity at the low end increases greatly if I readjust the trimmer with the dial set at 600.  I compromised and set the trimmer for best signal in the center of the dial.  Is this typical or is there a problem somewhere?  Does the gimmic cap affect this?  Ron, your experience please!  This radio had the attachment on the 1st detector tube socket for a shield.  I could find no photos of an 80 with that shield.  I put one on anyway.

I miss AGC on this radio!  

                  


Messages In This Thread
Philco Jr. 80 - by rfeenstra - 10-26-2018, 09:04 PM
RE: Philco Jr. 80 - by klondike98 - 10-26-2018, 09:20 PM
RE: Philco Jr. 80 - by Paul Philco322 - 10-26-2018, 09:30 PM
RE: Philco Jr. 80 - by rfeenstra - 10-26-2018, 10:03 PM
RE: Philco Jr. 80 - by claude.france - 10-27-2018, 07:26 AM
RE: Philco Jr. 80 - by rfeenstra - 10-27-2018, 12:54 PM
RE: Philco Jr. 80 - by Arran - 10-27-2018, 04:22 PM
RE: Philco Jr. 80 - by rfeenstra - 10-27-2018, 08:10 PM
RE: Philco Jr. 80 - by Greggshere - 11-01-2018, 09:41 AM



Users browsing this thread: 1 Guest(s)
[-]
Recent Posts
HiFi (Chifi) tube amp build - but my own design.
It's the other forum. I'm also in DIY, but mostly read there. Honestly, I kinda jumped into this without much thought to...TV MAN — 10:43 AM
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

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

>