In Reply to: JJ 300B Quality and Reliability? posted by MikeT on September 2, 2008 at 16:25:45:
One of the pair of JJ300Bs that I had developed a heater to grid short after about 100 hours of use. I have had better luck with the gold grid EH300Bs that replaced the JJs.
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Follow Ups
- RE: JJ 300B Quality and Reliability? - mikeyb 20:22:44 09/02/08 (6)
- RE: JJ 300B Quality and Reliability? - tube wrangler 20:56:03 09/02/08 (0)
- RE: JJ 300B Quality and Reliability? - drlowmu 20:35:15 09/02/08 (4)
- RE: JJ 300B Quality and Reliability? - mikeyb 05:40:37 09/03/08 (3)
- RE: JJ 300B Quality and Reliability? - tube wrangler 13:09:31 09/03/08 (2)
- RE: JJ 300B Quality and Reliability? - mikeyb 19:37:21 09/03/08 (1)
- RE: JJ 300B Quality and Reliability? - tube wrangler 22:44:42 09/03/08 (0)