1 post / 0 new

2100-65 Audio Xformer swap?


Posted on Saturday, January 15, 2005 - 11:41 am:   

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
Posted on Saturday, January 15, 2005 - 02:17 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
Steve Kennedy (admin)
Posted on Saturday, January 15, 2005 - 10:41 pm:   

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!


Posted on Saturday, January 15, 2005 - 11:40 pm:   

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


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


John Drexler
Posted on Sunday, January 30, 2005 - 03:07 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
John Drexler
Posted on Tuesday, February 01, 2005 - 10:58 pm:   

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