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Hello Kevin,
I am interested in building a EL34 PP power amp. I prefer to strap the EL34 in triode mode. I am wondering if you could recommend the appropriate type of OPT to be used.
Thanks,
Johnny Tang
If you have 8 ohm speakers, you can use the LL1663/PP. With 4 ohm speakers, I recommend the LL1682/PP. If you want the flexibility for both, then the LL1679/PP is the best choice.
Kevin Carter
K&K Audio
www.kandkaudio.com
Hello Kevin,
What about LL1623PP?? It should have better performance than LL1663.
Johnny
I wouldn't expect better perfromance from the LL!679AM unless you want more than 40 watts. The bigger transformer offers more flexibility with respect to loading, but the performance at less than 40 watss should be comparable to the LL1663AM.
Kevin Carter
K&K Audio
www.kandkaudio.com
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