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In Reply to: Shuguang 300B horizontal pin on base? posted by shibu on September 12, 2006 at 16:19:34:
Shibu, hi. The JJ300B has a black dot where the pin would ordinarily be. Use of ceramic base rules out an actual pin - so JJ uses a virtual one - the black dot.
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Follow Ups
- Re: Shuguang 300B horizontal pin on base? - elektron 09/13/0604:22:51 09/13/06 (0)