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RE: "just filter out the bass feeding the amp"

I've been bi-amping for years.

What I have learned is that if the low frequencies are allowed to get to the output tube and the output transformer all the frequencies will suffer.

My midrange speakers are just that, midrange speakers and I wasn't blocking the lows to my amp since the midrange doesn't play those frequencies anyway.....big mistake.

Reading voltsecond's paper on the MagneQuest website made me understand that the undesirable load line given by too little inductance is the load line (in the presents of low frequency) that all the frequencies will follow. Block the lows and the load line for everything else gets better, way better.

For that reason, and the lack of power and damping, I don't think SET amplifiers have any business being asked to play bass.

The exception would be a CCS loaded output tube with a parafeed output transformer but even that doesn't address the lack of power and damping issue.

Tre'
Have Fun and Enjoy the Music
"Still Working the Problem"


Edits: 07/07/15 07/07/15
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