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37-630X ; Philco, Philadelphia (ID = 502949) Radio
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37-630X ; Philco, Philadelphia (ID = 588058) Radio
Philco, Philadelphia: 37-630X [Radio] ID = 588058 461x700
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For model 37-630X, Philco, Philadelphia Stg. Batt. Co.; USA:
Philco 37-630X Code 125
Country:  United States of America (USA)
Manufacturer / Brand:  Philco, Philadelphia Stg. Batt. Co.; USA
Year: 1936/1937 Category: Broadcast Receiver - or past WW2 Tuner
Valves / Tubes 6: 6K7G 6A8G 6K7G 6Q7G 6F6G 5Y4G
Main principle Superhet with RF-stage; ZF/IF 470 kHz; 2 AF stage(s)
Wave bands Broadcast plus 2 Short Wave bands.
Power type and voltage Alternating Current supply (AC) / 115 Volt
Loudspeaker Electro Magnetic Dynamic LS (moving-coil with field excitation coil)
Power out 3 W (unknown quality)
from Model: 37-630X - Philco, Philadelphia Stg. Batt
Material Wooden case
Shape Console with any shape - in general

The Philco model 37-630 series (1936-37) uses a 6-tube 3-band chassis which is very similar to the 37-620 series, but with shadow meter (tuning aid) added. The chassis is also similar in design to that used in the previous model 630 series (1935-36). The bands covered are 530-1720 kHz (BC), 2.3-7.4 MHz (SW1), and 7.35-22 MHz (SW2).

There are four versions of the chassis. Codes 121 and 125 have the rectifier tube located on top of the transformer, and are used in the -X and -MX console models. Codes 122 and 126 have the rectifier tube located on the chassis next to the power transformer to reduce the overall height, and are used in the low profile -T model. Codes 121 and 125 are early versions; codes 122 and 126 are later versions, which have minor circuit improvements (see schematics).

There are three individual models with different cabinet styles. Model 37-630T is a table radio. Model 37-630X is a console with inclined sounding board, having a rectangular speaker opening with three vertical bars in front of the speaker. Model 37-630MX is a more modern console design, with a speaker opening consisting of four tall narrow rectangular slots.

The basic design of the chassis for the 37-630 series was carried forward and used in the 38-630 series (1937-38).

Price in first year of sale 80.00 $
Source of data Collector's Guide to Antique Radios (6th edition)
Circuit diagram reference Rider's Perpetual, Volume 7 = 1936 and before
Mentioned in Philco Radio 1928-1942
Literature/Schematics (1) Pre-War Consoles (Philco Service Bulletins # 251 and #251A)
Literature/Schematics (3) Philco Folder No. PR-430 for 1937.

Model page created by Thomas Albrecht. See "Data change" for further contributors.

All listed radios etc. from Philco, Philadelphia Stg. Batt. Co.; USA
Here you find 3747 models, 2127 with images and 3141 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.


Forum contributions about this model
Philco, Philadelphia: 37-630X
Threads: 1 | Posts: 7
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philco: Philco 37-630X
Gary Oprendek

i just picked up a philco 37-630x. it is in rough shape. I need to get the shadowmeter and knobs for it. does anyone know where i can get these parts?

Ernst Erb

Dear Gary
That is not an easy go! Did you look through the list of Suppliers?
Might be you have a good response in the ARF forum. Are you a member there?
It would be easy.

Gary Oprendek

thanks. i will check there. i have another question.can you tell me how many ohms the speaker (10") is. I cant seem to find it anywhere in the schematics. the speaker i have has a tear in it and i will see about repairing it. if i cant and it costs less to get a new speaker as opposed to reconing it i need to figure out how many ohms it is. and if i would still need to attach the hum coil to the new speaker. Any help you can give would be greatly appreciated. i am just getting into restoring old radios and am not very electronics savvy. i am still learning how to read a schematic.




Ernst Erb

If the ohms are not given in the schematic and you can not measure them or know the type number (exactly), you can only ask an other owner. With a hum coil I can not at all recommend to change for an "ordinary" loudspeaker.

But with you have the unique system (like so many others) that you see immediately who has this set in his collection - and it is even a member in the USA. Only members can reach the profile and mostly the members do not hide the eMail address for other members... But in this case I can help you by sending him your request. He then can decide if he wants to give you his eMail address.

Hans M. Knoll

Diagramm on Modelsite say 1140 Ohms




Gary Oprendek

thanks so much for your help. feel freee to send him my email address

Ernst Erb

Dear Gary
It seems that my explanation was not good enough:
You can take up a direct contact with the owner by going to the model page - here in red top right - and seeing who has such a set - then going to the member list, entering his name and copying his eMail address.
I checked with the rights as a "normal" member and he has - as should be - left his eMail address open - which is anyway only possible to see for logged in members ... :-)
Good luck!

Philco, Philadelphia: 37-630X
End of forum contributions about this model