[Boatanchors] Help identifying some transformer & choke iron

Duane Fischer, W8DBF dfischer at usol.com
Tue Jul 16 13:04:14 EDT 2013


If 'transformers' are a question, then contact WZ1M, Gary in Maine! He not 
only rebuilds them better than new, he is a wizard on the topic.

----- Original Message ----- 
From: "Rob Atkinson" <ranchorobbo at gmail.com>
To: <hwhall at compuserve.com>
Cc: <boatanchors at mailman.qth.net>
Sent: Monday, July 15, 2013 9:05 PM
Subject: Re: [Boatanchors] Help identifying some transformer & choke iron


> Thordarson T55s at one time were audio transformers, for getting mic
> low Z to high Z to drive grid, or output plate to line Z to drive a
> mixer.  But their designators were T55 followed by a letter and not a
> number.  I'm talking about the late 1930s.
>
> Rob
> K5UJ
>
> On Sun, Jul 14, 2013 at 12:19 AM,  <hwhall at compuserve.com> wrote:
>> Today I was looking at a set of interesting heavy iron but I haven't been 
>> able to make sense of the part numbers.
>>
>> One is a Thordarson high-voltage transformer labeled "T-55744".? Web 
>> searches on that number haven't been successful for finding the specs.
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