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In Reply to: EAR 509 reissue, seeking opinions posted by Plinius_Fan on June 29, 2016 at 19:37:53:
I owned the originals, and they were a true pain to bias - - had to open the bottom of the amp up and run it on its side, using all three of your hands to touch the two probes onto the right spots on the circuit board and also adjust the trim pot. As I only have two remaining hands, this was tricky (even trickier was convincing a family member to offer the third hand for this clearly dangerous undertaking!).
The new accessible trim pot and probe points is a good move forward. EAR's philosophy is pretty much parts is parts, and I don't believe they upped the parts quality in the reissue.
Nice sounding amps, overall, really open and powerful, great bass for tubes. A bit on the lean/bright/detailed side IME. Replacement tubes are getting to be harder, I believe.
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Follow Ups
- The reissue is more convenient, but same circuit as original. - jbrrp1 12:23:33 06/30/16 (7)
- RE: "lean/bright/detailed" - goldenthal 12:43:04 07/01/16 (0)
- RE: The reissue is more convenient, but same circuit as original. - Palustris 12:05:59 07/01/16 (1)
- You ever work on one of these? - jbrrp1 20:27:44 07/01/16 (0)
- Why do they do that? - M3 lover 16:37:23 06/30/16 (3)
- " "The piano ain't got no wrong notes." Thelonious Monk " - Timbo in Oz 20:43:43 07/02/16 (1)
- Take it up with Mr. Monk - M3 lover 09:33:35 07/03/16 (0)
- RE: Why do they do that? - Mick Wolfe 10:00:09 07/01/16 (0)