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Tubes / Valves All about our sweet vacuum tubes :) Threads about Musical Instrument Amps of all kinds should be in the Instruments & Amps forum

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Old 2nd May 2008, 02:06 PM   #1
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Default make OPT

Hi!
Please let me know how to make OPT.
Thanks!
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Old 2nd May 2008, 06:47 PM   #2
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http://headfonz.rutgers.edu/RDH4/CHAPTR05.PDF

http://www.jensen-transformers.com/a...%20Chapter.pdf
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Old 5th May 2008, 04:06 AM   #3
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Thank you very much!
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