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Author Topic: Old Traynor Transformers in an OTS Kit?  (Read 4213 times)
fishbookmark
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« on: March 25, 2012, 05:46:17 PM »
Hi All,
I'm new to the forum. For my 2nd amplifier build I will be ordering Package #1 The 50w OTS kit. I have an old Traynor YGL-3A Mark 3 that I'd like to use for parts. It has a very large PT and OT originally for a quad of EL34's and rated at 80w @ 4 ohms. Will it be a problem using these with two 6L6's? Will I have trouble matching to the correct voltage?

Perhaps I should wait to use them with a JTM build.
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SoundPerf
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« Reply #1 on: March 26, 2012, 03:04:48 AM »
I was trying to find a spec sheet for the transformer in question, but couldn't. As a drop in replacement, I have feeling it won't be as easy as that.

Do you know what the secondary voltages and current ratings are?

I would need to know this information to make any kind of proper conclusion.
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Chris

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wyatt
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« Reply #2 on: March 26, 2012, 03:17:44 AM »
Well, for the PT, you'll have to measure out the secondary voltages and current and then calculate out the spec under load.  You might try and find a schematic that will have the voltages on it.

The OT is probably a 1.6K-1.7KΩ:4Ω winding, which works out to 3.2KΩ:8Ω, not quite the optimal 4kΩ primary for a pair of 6L6GC's.

 
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fishbookmark
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« Reply #3 on: March 26, 2012, 01:31:59 PM »
Thank you for your replies. I do have a schematic, somewhere. I will find it check the voltages and report back. What a great way to learn! Thanks again!
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SoundPerf
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« Reply #4 on: March 26, 2012, 06:07:56 PM »
Quote from: fishbookmark on March 26, 2012, 01:31:59 PM
Thank you for your replies. I do have a schematic, somewhere. I will find it check the voltages and report back. What a great way to learn! Thanks again!

Here you go. I had found this the other day. I forgot to get back to it.

http://www.lynx.bc.ca/~jc/721020_YGL3_3A_Mk3.gif
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Chris

Ceriatone HRM 50
w/self built Dumblelator
Avatar 2X12 w/WGS ET-65 & Veteran 30
TC Electronic 2290
2001 PRS McCarty
2010 PRS 513 Swamp Ash
Tacoma JK50C
Seagull S12+
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