Greg,
You should just get a 98 dB ALTEC speaker, a 604 or a VOTT, and run it with ONE really good SET 2A3 amp per speaker.
If you get the ALTEC speaker model correct, I will show you how to build an amp for it. All else, is second fiddle, and IMHO, a waste of one 's time, money, efforts, and life.
Jeff Medwin
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