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Class A Solid State Sound

Would someone kindly describe the differences in class A sound of Pass XA.8 series, Accuphase A-70/75 series, and Gryphon class A amplifiers. Does much or any of the differences relate to mosfet (Pass and Accuphase) or bipolar (Gryphon)  output devices?  Thank you!

audiobrian
inna
7,923 posts
 
I just got modest Burson Audio Timekeeper amp, Australian company, and though they don't advertise it I have an impression that it operates in Class A until certain point.
Yes, Gryphon separates is a dream stuff.
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georgehifi's avatar
georgehifi
10,312 posts
 
Go away Koost, you are a pill, and have no idea really.
bdp24's avatar
bdp24
10,281 posts
 
A pill! I love that old expression, my mom used it a lot.
mijostyn's avatar
mijostyn
8,570 posts
 
Why hasn't anybody spoken about Boulder amps. They are class A with sliding bias which for some unknown psychological reason I am uncomfortable with. Of course 250 large for a set of boat anchors is a bit steep even if your floor can support them. Next model down the 2150 at 100K is a direct competitor to the Pass Xs 300. Anybody ever hear a Boulder amp? Why would one buy it over the Pass?. 
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