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Not the 800A

but I remember it well. I worked for a hi-fi shop in the 70s that carried Threshold gear. The 800A would dim the lights in the room for a moment upon turn on. That is a special amp having been Nelson Pass' first commercial design which introduced the concept of sliding bias Class A operation. It had no trouble driving the owner of the shop's Dayton-Wright electrostats which were known to be difficult to drive.

Similarly, I use tubes in the main system, but still enjoy an '81 Stasis 3 amp with the vintage double Advent system. Problem free, but I elected to replace the power supply caps a few months back given its age.

You ought to send an email to Nelson Pass and tell him of your experience. He is a laid back, approachable kind of guy who would likely enjoy hearing from you about your 800A. You can find his email on any of the Pass Labs' sites or at DIY Audio in the Pass forum.

rw


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  • Not the 800A - E-Stat 08:20:40 04/03/07 (0)


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