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All I understand is that my 'once were LEAK St20s' use cathode-bias

So that the first 9?dbw is class-A. I think that's the first 8 watts!?

Just one running at 16Wpc in UL and 20 in pentode, I guess they must move out of A into AB fairly often? on peaks into easy 8 ohm load 91db speakers in the near-field and a medium-sized l-shaped room. On large force works with lots of percussion and drums.

Yes?

But I bi-amped the spheres/ One amp one in pentode 20wpc into the mid-bass WR driver no LPass, and one in triode 6?wpc into the filtered big domes.

Giving me perhaps an other ~3db headroom over 16wpc. And, yes the system played a good bit louder without stress.

They are both now in pentode mode and have matching PSU storage. I will be experimenting with them into QUAD 63s before I decide whether to sell one or both.


Warmest

Tim Bailey

Skeptical Measurer & Audio Scrounger



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  • All I understand is that my 'once were LEAK St20s' use cathode-bias - Timbo in Oz 07/27/1817:07:36 07/27/18 (0)

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