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These have Mullard rX3 date codes, but rectangular slots in plate, D getter tubes.Did Mullard source their plates from Amperex for the early EL84 series?
thanks
shane.
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Topic - Any EL84 /6BQ5 experts?... Are these Mullard or Amperex 1950's vintage EL84 ? ? - shane. 16:58:48 06/14/04 (4)
- Yes - these look like 50's Philips Sittard Holland Production - tubemonger 17:16:01 06/14/04 (3)
- Re: Yes - these look like 50's Philips Sittard Holland Production - shane. 22:01:02 06/14/04 (2)
- Re: Yes - these look like 50's Philips Sittard Holland Production - tubemonger 22:48:29 06/14/04 (1)
- Re: Yes - these look like 50's Philips Sittard Holland Production - shane. 23:27:00 06/14/04 (0)