The 6KV8  (P/N 154-497,154-0497-00) is a triode-pentode combo vacuum tube with a B9A (Noval) miniature 9-pin base.

It is used in the 3A8 (V344, V444).

Some instruments using part 6KV8

Instrument Manufacturer Class Model Description Introduced
3A8 Tektronix Plug-in 3A8 Operational amplifier plug-in 1965

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