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Sal Brisindi
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Post subject: Acrosound TO-370 Audio Transformers  Posted: Sep Wed 27, 2006 3:09 pm |
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 3462
Location: Freehold NJ 07728
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Does anyone know the specs on these audio transformers. I have 2 of them and the Acrosound PDF catalog I have only goes up to TO-350.
Thanks,
Sal Brisindi
_________________
Need capacitors, resistors and other parts--> http://www.tuberadios.com/capacitors
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Tom Bavis
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Post subject: Posted: Sep Wed 27, 2006 6:04 pm |
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 4741
Location: Rochester NY USA
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I did a quick web search and found a reference to a 1961 Popular Electronics article that called for this transformer with EL84 tubes - so it may be the 7500-10K CT primary typically used with EL84.
Why not measure them? Apply 100V at 60 Hz and measure secondary voltage(s). Impedance ratio is square of turns (voltage) ratio. So 50:1 is 2500:1 for impedance, or 10K to 4 Ohms.
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Sal Brisindi
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Post subject: Posted: Sep Thu 28, 2006 12:36 am |
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 3462
Location: Freehold NJ 07728
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