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Old 12th March 2007, 10:34 PM   #1
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Default Radio Shack OPT!

http://www.radioshack.com/product/in...t&tab=features

hmm. 1k a-a primary, 8 secondary, 300Hz-10KHz. I wonder what wattage this baby can do? Is 300Hz too high to be fixed by NFB? An ultra ultra budget tube amp might be a possibility! 12B4 push-pull?
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Old 13th March 2007, 01:56 AM   #2
radtech is offline radtech  United States
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I believe these are Xicon 42TM013 transformers, or at least similar.. 200mW.

http://www.mouser.com/catalog/specsheets/XC-600134.pdf
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Old 13th March 2007, 02:30 AM   #3
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If I knew how to design guitar amps I might try to use a couple 12AX7's to drive a pair of 12B4's. Get some interesting sound destruction from overdriven 12AX7's (grounded cathode, possibly?) and a saturating core... is it worth it? a little PT like the 270FX might work...
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