Heyboer OPT iron vs Hammond?

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Posted by AD5GB [ 216.37.88.46 ] on April 21, 2005 at 22:13:22:

In Reply to: Re: Heyboer OPT iron vs Hammond? posted by Tnuctipun on April 20, 2005 at 20:58:13:

Hey Doug,

What I asked for was basically a clone of the 'big' Hammond P-P OPT.
1.9K primary, 4,8 and 16 ohm secondary, 280 watt capability, UL taps,
and 28 pounds worth of iron and copper. They quoted a fantastic
price for the unit. Since I'm not a transformer expert by any means,
I have nothing to go by other than the 'rules-of-thumb' passed down to
me by my ham radio mentors. Further, the book I'm trying to locate on
the subject seems to have become forever elusive and more expensive than
the audio iron itself.

They also quoted me an outstanding price for a power XFMR for a variable voltage (2.5KV-4KV) supply for my amateur radio amp projects.
What is a bit disturbing about that is that they said the weight
would be around 30#, which seems a bit light for a 3.2KVA power
transformer to me.

Since I've not been able to turn up even one negative comment while
Googling for Heyboer, ( just a whole bunch of satisfied customers )
I'll probably give 'em a shot. Wish I knew more about audio iron
so I knew more about what to ask for.

Kind regards!


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