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

Thread Closed

speaker problem with 1938 UK Philco console
#1

Good Evening
I'm about to undertake the restoration of a nine valve Philco console from 1938. In this country (England) its model number was A938CG. I think it's very similar to the US 383XX. One of its speakers is missing. The Philco manual tells me it was part number 360-1121 and the field coil was 8,600 ohms. I guess it's not surprising that a coil of that resistance went open circuit (if that was indeed the problem) and I am wondering if this is a common problem with Philco sets of this period? The chances of getting a replacement speaker here are remote and I am wondering if I might be able to source a replacement in the US? Or perhaps you Philco experts over there have found a good substitute for this speaker type? Any and all advice will be most gratefully received. Jonathan
#2

Hi Jonathan

Greetings from across the pond. Icon_smile

The Philco Model 38-3 only used one speaker, and its field coil is rated at 660 ohms. A far cry from 8,600 ohms, for sure.

Does the A938CG use more than one speaker?

You could use a 7500 or 8000 ohm, 25 to 50 watt resistor in series with a 38-3 speaker field if you have to. The 38-3 speaker is 10-1/2 inches in diameter, by the way.

Usually in USA models, the audio output transformer will burn out before the field coil does, although fields in USA Philco speakers can and do go bad; especially in the older (1929-31) speakers.

--
Ron Ramirez
Ferdinand IN




Users browsing this thread: 1 Guest(s)
[-]
Recent Posts
Stromberg Carlson 1500 Squeal
And life just keeps getting more complicated. By dconant. Dittos'Jimradio — 08:01 AM
Plug Voltages Needed For A 1943 CRV-20130 Power Supply
That looks a lot like an aircraft connector of some kind, even if it's a U.S.N power supply. I have a book somewhere abo...Arran — 02:56 AM
Plug Voltages Needed For A 1943 CRV-20130 Power Supply
hello david, I have a similar generator in my collection that features a cast iron, single-cylinder Briggs & Stratt...radiorich — 01:00 AM
under chassis parts locator diagram for 1938 Zenith 9s262
Has anyone gone to the trouble of creating an under chassis parts locator image?  Yes, I can identify components by foll...bobloney — 08:57 PM
Plug Voltages Needed For A 1943 CRV-20130 Power Supply
Try looking at this site the book mark is for a old generator that I was given. David    https://radionerds.com/index.ph...David — 08:36 PM
Plug Voltages Needed For A 1943 CRV-20130 Power Supply
Hello Everyone, I am looking for voltage identification for all the pin positions on the socket of a CRV-20130 power su...Tonym4704 — 08:16 PM
Philco P45-6365 Universal Transformer Instruction Manual
Can anyone guide me to where this may be found?GRG — 03:00 PM
54C Complete Teardown/Rebuild
I don't think that I have encountered a 12Z3 before, curious how it uses one of those but includes a #43, which is a 25 ...Arran — 02:17 PM
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

[-]
Who's Online
There are currently 1698 online users. [Complete List]
» 1 Member(s) | 1697 Guest(s)
Avatar

>