5751

The 5751  (P/N 154-0094-00) is a dual triode vacuum tube with a B9A (Noval) miniature 9-pin base, essentially an improved 12AX7.

Aged/Checked/Matched Pair Details
Used in	Tek Part#	S/N Range
Type E Plug-in	157-0033-00	All

157-0033-00 has been replaced by 12AX7

Reference:

Tube aging procedure / Selection and checking procedure

Some instruments using part 5751

Instrument	Manufacturer	Class	Description	Introduced
E	Tektronix	Plug-in	Differential amplifier	1955

Links

• 5751 @ radiomuseum.org

Pictures

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