Anyone recognize this radio?
Posts: 28
Threads: 10
Joined: Dec 2019
City: Shinnston
State, Province, Country: WV
08-13-2025, 08:20 PM
This radio has no markings that indicate either who made this or sold it. I suspect it may have been made for a department store. I would like to find a schematic if possible.
The radio has six tubes and is tuned with variable inductors. It does work, though not as well as I would expect.
The tube layout label indicates this is a model 446, but no manufacturer is listed.
I’ve tried radio museum, but no applicable results were returned.
Sometimes I wonder whether the world is being run by smart people who are putting us on or by imbeciles who really mean it.
Posts: 1,423
Threads: 41
Joined: Jan 2014
City: Wellborn Florida
Please post a picture of the back. Look at the tubes and see what brand or brands are in the beast. David
Posts: 18,427
Threads: 622
Joined: Oct 2011
City: Jackson
State, Province, Country: NJ
I found only one listing for it, it is a Model 446, but of what brand, I do not know.
https://poshmark.com/listing/Gorgeous-Ar...41448ca7b5
People who do not drink, do not smoke, do not eat red meat will one day feel really stupid lying there and dying from nothing.
Posts: 711
Threads: 46
Joined: Sep 2009
City: Lapeer, MI
State, Province, Country: USA
The link that Morzh posted shows TWO model numbers on the inside label, 446 & 147. The tube line-up is: 2-12SK7, 12SA7, 12SQ7, 35L6, and 35Z5.
I’ve not been able to locate this on the Radio Attic website. Joe
Courage will follow when Faith takes the lead.
Posts: 18,427
Threads: 622
Joined: Oct 2011
City: Jackson
State, Province, Country: NJ
Actually the 147 is faded out and overprinted with 446, this is why I think that's the one.
People who do not drink, do not smoke, do not eat red meat will one day feel really stupid lying there and dying from nothing.
Posts: 5,656
Threads: 56
Joined: Sep 2008
City: Sandwick, BC, CA
So the "M" in the grille must stand for "Mystery" brand? I thought maybe it was a "Minerva", but they all look different, and I don't think that they employed permeable tuning in the front end. However between the tube lineup, and the permeable tuning, I would take a guess that the set is post war, between 1946 and 1950, there may even be date codes on the components. There were a number of what we would now call "startup" radio manufacturers that made sets for a few years, Minerva was one, Telesonic was another, some look like they were made with war surplus parts like Micamold caps, or oddball numbered tubes, but they faded away as T. V started taking off.
Regards
Arran
Posts: 1,799
Threads: 55
Joined: Feb 2015
City: Roseville, MN
I thought Motorola has copyright on the letter M. Even Sesame Street has to pay a royalty. ;-p
Posts: 4,832
Threads: 437
Joined: Jun 2011
City: Boston
State, Province, Country: Massachusetts
Here is an example of a Minerva "M.
[Image: https://radioattic.com/soldradios/sold_r...(1946).jpg]
Not sure if they always used this style. Paul
Tubetalk1
Posts: 2,328
Threads: 23
Joined: Jul 2020
City: Greenlawn
State, Province, Country: NY
I looked through Nostalgia Air for all brands with the name starting in M but could not find anything with that model number. Fortunately, the AA6 (AA5 plus a tuned RF Amp) is a rather common circuit. You can likely use the schematic for any RCA set with this tube lineup in recapping and troubleshooting the set.
"Do Justly, love Mercy and walk humbly with your God"- Micah 6:8
"Let us begin to do good"- St. Francis
Best Regards,
MrFixr55
Posts: 711
Threads: 46
Joined: Sep 2009
City: Lapeer, MI
State, Province, Country: USA
Tom, Will you be posting pics of the back of the cabinet? Joe
Courage will follow when Faith takes the lead.
Posts: 28
Threads: 10
Joined: Dec 2019
City: Shinnston
State, Province, Country: WV
Joe- I wasn’t ignoring your, and other, posts. Summertime is a busy time for me and I sometimes don’t do anything with radios for a few weeks.
Regarding the picture, there is no back for this radio. If you want a rear view, I’ll shoot a pic and post it.
As far as the second model number on the label is concerned, I have the same label and that number is not helpful.
I was planning on drawing my own schematic but I might try to find an AA6 schematic and compare it to this radio.
Thanks for all the replies. I think I’ll file all the notes on this radio in the Unknown Radio Restoration file.
Sometimes I wonder whether the world is being run by smart people who are putting us on or by imbeciles who really mean it.
Users browsing this thread: 1 Guest(s)
|
|
Recent Posts
|
|
Philco 71 Code 125
|
| Ok guys. Thanks for the input. As for AI this is why I ask the experts.
Dandconant — 07:39 AM |
|
Philco 71 Code 125
|
| Technically, that's C-. B- is chassis ground. The resistor between chassis ground and the HV center tap makes the HV c...MrFixr55 — 11:24 PM |
|
54C Cabinet Refinish
|
| hello Roy,
I’d follow Arran’s suggestion and use automotive gasket material, which I keep around for situations like th...radiorich — 10:22 PM |
|
Philco 71 Code 125
|
| This might be one of those cases where it's a ground to an AC voltage and B- to DC.RodB — 08:22 PM |
|
Philco 71 Code 125
|
| Really Rod? I know you would not steer me wrong but AI say this is a short circuit? What if I moved the 6 volt center ta...dconant — 06:40 PM |
|
54C Cabinet Refinish
|
| Roy;
Personally I would have left the asbestos alone if it were my set, but you can find a modern substitute that som...Arran — 04:51 PM |
|
Philco 71 Code 125
|
| Looks like that might be the B- buss, so that would be correct.RodB — 01:32 PM |
|
Philco 71 Code 125
|
| I noticed on the code 121 schematic the center tap for the 6 volt winding and hv winding are tied together. Is this corr...dconant — 12:16 PM |
|
Philco 45-6365 Universal IFT Instruction Manual
|
| The Philco Parts Catalog for 1942 shows it as usable for 175 kHz, 260 kHz, and 465 kHz. The instructions will show how t...DaleHCook — 11:19 AM |
|
Stromberg Carlson 1500 Squeal
|
| Hello Rob,
I agree with you—I have one here at my house that I need to check out. It’s way over-engineered just to make...radiorich — 11:05 AM |
|
Who's Online
|
| There are currently no members online. |
|

|