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  #1  
Old 11-28-2018, 07:19 PM
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zombie1210 zombie1210 is offline
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St Regis radio?

Picked this up today. as far as i can tell, it's a St. Regis model 661, made by International Kadette in 1935.

The cabinet is in pretty good shape. Knobs look correct. I think it's missing a logo that goes under the center bottom knob. 5 tubes. Plug has been cut off. Grille cloth is in good shape and looks to be original.

Nothing too special I suppose, but a nice looking old tombstone radio.







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  #2  
Old 11-28-2018, 07:23 PM
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HOLY SHIrT thats a sweet one!!

SR
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  #3  
Old 11-28-2018, 07:26 PM
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I know nothing about this model. Never seen one before and there doesn't seem to be much info floating around about it.
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Old 11-28-2018, 09:50 PM
dieseljeep dieseljeep is offline
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Quote:
Originally Posted by zombie1210 View Post
I know nothing about this model. Never seen one before and there doesn't seem to be much info floating around about it.
It looks like a good find, I have a weakness for a radio using a 6B7 as a first amp and detector. Wells-Gardner used it in several models as well.
At least, it doesn't use a resistor line cord, but it does use a few octal tubes.
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Old 11-28-2018, 10:06 PM
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  #6  
Old 11-28-2018, 10:07 PM
Titan1a Titan1a is offline
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Weird duck. No power transformer.
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  #7  
Old 11-28-2018, 10:11 PM
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zombie1210 zombie1210 is offline
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Think it would be difficult to restore?
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Old 11-29-2018, 05:08 AM
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decojoe67 decojoe67 is offline
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Very nice find. You can't beat tombstone sets from 1935-36. They're all nice. It seems that would've been a budget set, but it's a beauty. I have someone do the elec. restorations on my sets and by the look of that one I doubt you'll have any problems getting it playing. Good luck and enjoy it!
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  #9  
Old 11-29-2018, 11:18 AM
dieseljeep dieseljeep is offline
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I know nothing about this model. Never seen one before and there doesn't seem to be much info floating around about it.
It just dawned on me, ST. Regis was a Rexall drug store brand. I've seen inexpensive wind-up alarm with that branding.
I looked up the schematic and it uses a 3000 ohm field coil connected across the B+ instead of being used as a choke. Circuit is a bit more interesting than the average set of it's day.
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Old 11-29-2018, 12:09 PM
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init4fun init4fun is offline
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Weird duck. No power transformer.
Yep , the tube in front of the 43 output tube is a ballast tube , If I were going transformerless I'd way rather a ballast tube VS a curtain burner line cord .
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Old 11-29-2018, 12:16 PM
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Curtain burner line cord? Sounds ominous.
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Old 11-29-2018, 12:54 PM
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Originally Posted by zombie1210 View Post
Curtain burner line cord? Sounds ominous.
Oh yes , it was .

The term "Curtain Burner" comes from the 1930s radios that had a resistance wire built into the line cord to drop the 110 volt AC to the combined (series) 68 volt requirement for the tube's heaters . The 25Z5 and 43 output both have 25 volt heaters , for 50 volts required . Add in the 6 volt requirement of the other three tubes and we add 18 volts to the 50 for 68 volts combined heater requirement . Some sets used a ballast tube (like your set uses) to drop the "extra" 42 volts from the 110 volt line (110 - 68 = 42) and some sets used the resistance wire . The line cord could and did get hot enough dissipating that extra power that fires were started , especially if the line cord was touching something very flammable , like for instance some curtains .

Most folks nowadays eliminate the curtain burner cord and go instead with an AC capacitor to safely (and without heat) drop those extra 42 volts . Since your set uses the ballast tube no such re engineering of the heater circuit will be needed . The one caveat here being that the ballast tube is essentially a light bulb with a tapped element (to provide power for your dial lamps) and is subject to burning out just like any other light bulb is . I would recommend picking up a spare or two of the ballast tube to have on hand since as years go on they ain't getting any easier to find ....
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Old 11-29-2018, 01:10 PM
old_coot88 old_coot88 is offline
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..Or just go with a capacitor, with a small value resistor to shunt the dial light. Leave the ballast tube in place for looks.

Ceiling fan speed control caps work great. Gobs of 'em on Amazon.
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  #14  
Old 11-29-2018, 01:18 PM
dieseljeep dieseljeep is offline
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Originally Posted by zombie1210 View Post
I know nothing about this model. Never seen one before and there doesn't seem to be much info floating around about it.
International Kadette evolved into Detrola Corp later.
Most of the products they built were private labeled products.
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  #15  
Old 11-29-2018, 01:59 PM
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..Or just go with a capacitor, with a small value resistor to shunt the dial light. Leave the ballast tube in place for looks.

Ceiling fan speed control caps work great. Gobs of 'em on Amazon.

Were the ballast tube burnt out and unobtainable sure I'd run an AC capacitor in it's stead and not think twice about altering the circuit , in my opinion running condition trumps original condition with most tube radios . But , since I'll bet replacements for the original ballast tube are still available , and since the ballast tube carries no built in safety hazard by design like the curtain burner cord does , I'd be inclined to leave the circuit as is and stock up on a couple or few spare ballast tubes while they are still somewhat available .
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