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In Reply to: RE: I remember Keroes winding tranny's not Hafler posted by Story on August 11, 2022 at 14:20:35
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The Mind has No Firewall~ U.S. Army War College.
Follow Ups:
My father was a foreman in a shop that made transformers. This is how a transformer was made back then. And yes, many of those transformers were for audio use.
1-You gave your specs to the engineers at the shop.
2-You approved the design plan
3-They built a run.
4-Minor changes if needed on the line.
I worked at the factory a few summers so I not only know how they're made, but I've actually made them.
Making a transformer is a very time and labor intensive process. The setup, large building space, raw materials, QC testing and labor cost would make this process impractical for anyone except a factory.
Gosh, I sure was I was around him back in the day ... I would have been tugging on his coat every chance I got!
The Mind has No Firewall~ U.S. Army War College.
a small transformer shop and a guy appearing to hand wind transformer coils. Sorry I didn't have a small camera in those days, but these type of small electronic shops were not unusual in Taipei and Hong Kong.
The entire construction of a tranny is a hands on process. It's a spool of wire with a simple length counter. A person HAND cranks the tranny to wind the wire on a core.
The entire process is virtually ALL done by hand. Even today. That's why if Dynaco was making their own tranny's they would have to buy a large building because it would take about 50 or more people, in separate areas, to make all those tranny's.
I believe Acro made their own transformers.
Tre'
Have Fun and Enjoy the Music
"Still Working the Problem"
see linky. He has a Panor Dynaco PAS-4 preamp, lives in Canada, and needs help hooking his preamp to his native power. The inside says 240vac but the back panel has markings for different voltages, 240 & 120
It looks like there are different taps on the primary, but it also looks hard wired
from what I've read. He wasn't picky about certain parts, that was reflected in the cost. Sound? Maybe the tranny's as they were critical and expensive, a good deal of the cost.He had competition from all the greats. I'm happy to have had all of them at one time or another. My first kit at age 11 was a Dyna pat4. I've owned Scott, Heath, Eico, Fisher, Dynaco, Hafler, Mac...did I leave any out? I wish I could have collected them all.
Edit- I left out HK Citation V, now that one I really liked. I lent it to a friend who came home from Iraq with PTSD and now he's disappeared
Edits: 08/14/22
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