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In Reply to: Silvertone 12AX7 tubes posted by Akolegov88 on July 6, 2025 at 02:49:46:
I believe there's a seam visible in the photo which would indicate either Siemens or Philips as potential manufacturers. However, neither Siemens or Mullard had any plants in Holland so most likely this is an Amperex-made tube.
Joe
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Follow Ups
- RE: Silvertone 12AX7 tubes - Joe Appierto 07/6/2504:48:57 07/6/25 (4)
- RE: Silvertone 12AX7 tubes - Akolegov88 05:26:58 07/6/25 (3)
- RE: Silvertone 12AX7 tubes - Tre' 06:17:01 07/7/25 (2)
- RE: Silvertone 12AX7 tubes - Akolegov88 06:39:46 07/7/25 (1)
- RE: Silvertone 12AX7 tubes - Tre' 21:14:37 07/8/25 (0)