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Single Ended Triodes (SETs), the ultimate tube lovers dream.

RE: Venturing into SET active system. Does a 45 have enough power?

A couple of questions from the DIY speaker builder. Why crossover at 400Hz? There is a lot of vocal contents above 80-100Hz and lobing is apparent anything between 100Hz-3KHz. I know the active XO helps but not you won't get as clean sound as crossing outside of the 400Hz. I also know that some JBL, Altec speakers did that but I am not a fan of such speakers and IMO not very HiFi sounding stuff to me.

Normally, a 45 SET works pretty well if you have 100dB+ efficiency speaker so a single 45 SET amp should work well above 100Hz to 20KHz and beyond if you have passive XO in your speaker and uses a sub for the 100Hz and below. Of course, you can use two 45 amps with active crossover (at 100Hz/2KHz) and compare them which sounds cleaner.



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.Thou shall not stand where I type for I carry a bottle of Certified Audiophile Air and a Pure Silver Whip.


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