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 Post subject: mc-60 utc
PostPosted: Nov Wed 06, 2019 7:33 am 
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Joined: Apr Sat 18, 2015 3:01 am
Posts: 128
Location: Lexington KY
So I have the opportunity to buy a UTC LS-65 output tx.
I've seen the regular utc schematics for this iron.

Was curious about using a McIntosh MC-60 circuit for them.
12AX7 > 12AU7 > 12BH7 > 12AX7 > 6550
http://bit.ly/2NkGIFp

Is there any data for the three chokes used on the 6550's ???
One Plate choke per each output and the large cathode choke?

I'm assuming the Plate chokes are fairly small. And the cathode choke is probably a fairly high Henry choke.
Someone may even be selling these???

Thoughts / Ideas


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 Post subject: Re: mc-60 utc
PostPosted: Nov Wed 06, 2019 3:13 pm 
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Joined: Nov Sun 04, 2007 6:01 am
Posts: 3355
Location: Redding, CA
The cathode "chokes" are additional windings in the Mcintosh output transformer.

Norman

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"No home is complete without music" - Capehart Sound Amplifying and Distributing Systems


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 Post subject: Re: mc-60 utc
PostPosted: Nov Wed 06, 2019 10:42 pm 
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Joined: Apr Sat 18, 2015 3:01 am
Posts: 128
Location: Lexington KY
McIntosh uses unity transformers so my UTC won't work


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