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 Post subject: Super Trirdyn power requirements
PostPosted: Dec Fri 22, 2017 3:21 pm 
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Joined: Jan Tue 17, 2017 5:37 am
Posts: 3
Can anyone tell me what the power requirements are for the Crosley Super Trirdyn? Specifically the current requirements on each of the 3 voltages. I see a couple of power supply kits out there, but I'm not sure if they will handle this radio.

Specifically, the Antique Radio Supply kit looks attractive.

Gary


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 Post subject: Re: Super Trirdyn power requirements
PostPosted: Dec Fri 22, 2017 5:18 pm 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 12324
Location: S. Dartmouth MA 02748-1225 USA
Welcome to ARF!

I am familiar with the AES and the ARBE-III power supplies, either would power the set. I do not know about the third supply.

What tubes do you have in the Trirdyne?

It can use 1-1/2 volt, 3.3 volt, and 5 volt tubes. They must all be the same of any one type.

Are the audio transformers good? Crosely audio transformers often fail open. There are new windings available in the restorers market. FWIR The manufacturer of the ARBE offers such windings.


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 Post subject: Re: Super Trirdyn power requirements
PostPosted: Dec Fri 22, 2017 8:09 pm 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 8979
Location: 42001 KY
tridyn uses 3 201A tubes.

I am about to work on one for someone but do not have unit in hand until after the first of the year.

_________________
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 Post subject: Re: Super Trirdyn power requirements
PostPosted: Dec Sat 23, 2017 1:05 am 
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Joined: May Fri 01, 2015 2:33 am
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Location: Roslyn,Pa 19001
A current is going to be .75a, B about .015a, and C very little.
http://philcoradio.com/phorum/showthread.php?tid=7614
GL
Terry


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 Post subject: Re: Super Trirdyn power requirements
PostPosted: Dec Tue 26, 2017 3:54 am 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 2931
Location: Lexington Kentucky
As was posted, three 01A tubes are rated at .75 amp total at 5 volts but there can be quite a bit of loss in dirty rheostats and tube contacts. I've used a bench power supply set at 6-7 volts and monitored the actual voltage at the tube pins using clip leads, adjusting the voltage with the rheostats.

I used (3) AA's and a stack of 9V batteries clipped end to end to get C and B voltages.

The AES power supply would be fine but I think it's sort of rinky-dink on its wood base. You could have excellent battery life, keep the batteries in the case, and have a better power supply with something like this:

https://www.ebay.com/itm/HP-6203B-Varia ... SwFe5X1H9P


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