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Don
Posted on Saturday, January 15, 2005 - 01:41 pm:   

Hello,
I posted this earlier but it never showed up so I will try again.
A friend has a 2100-65 that has a smoked output transformer (5-75). He needs this unit quickly, and I'm wondering if I can possibly replace with a Hammond 1650K that I have in my shop. This would be a temporary fix until we get the original rewound.
The amplifier seems OK, I think that transformer just died of old age.
Any thoughts?

Thank you
Don
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Percy
Posted on Saturday, January 15, 2005 - 04:17 pm:   

there is more to replacing an output transformer than to replace as you probably know. The sise of the winding, the number of windings and impedance... My 2 cents would say be carefull...but lets keep the thread alive and see what others say....I would say NO..unless you know the facts
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Steve Kennedy (admin)
Posted on Sunday, January 16, 2005 - 12:41 am:   

You definitely would want to know how closely the windings match the original to determine how safe and how effective such a substitution would be.

Personally, this type of situation is one of the reasons why I own more than one amp!

Back-ups Rule!

Steve

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Don
Posted on Sunday, January 16, 2005 - 01:40 am:   

I'm assuming it might be OK having read this.
http://www.torresengineering.com/ham50wa toutt.html and this

http://www.hammondmfg.com/1608.htm

I was hoping someone might have used this as a replacement already.

Don



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John Drexler
Posted on Sunday, January 30, 2005 - 05:07 pm:   

I have a 5-75 nearly new OT if anyone needs one. It was a replacement tranny in my 112-65 by a previous owner, but was not the correct match for the chassis schematic. I just took it out and put in a correctly matched 3-65, so the 5-75 is available for any reasonable offer. It's on eBay until 2/1/05
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John Drexler
Posted on Wednesday, February 02, 2005 - 12:58 am:   

My 5-75Tranny sold to Don today. Glad you got it, Don!

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