tKP code on old Siemens ECC83

Tubes Asylum

Questions about tubes and gear that glows. FAQ

Hello all

This tube indeed tests as and is marked as ECC83, but has a code of tKP. I know Siemens codes are the wild wild west especially early on.

Anyone else seen this code before (I think I saw it for a ECC81, but this is definitely not an ECC81)

Codes look like

≠W

tkP

Thanks!

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Topic - tKP code on old Siemens ECC83 - AndrewEuphonicReview 09:44:20 08/10/23 (1)

RE: tKP code on old Siemens ECC83 - AndrewEuphonicReview 09:45:06 08/10/23 (0)

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