Tested 325/350 on Hickok 752A where minimum is 200. The 752A is noted for giving a low
reading for the 12AX7, so the tube was also tested on a CTI emission tube checker.
Ribbed Gray plate vacuum tube made in USA and labelled B&K
RCA 12AX7A Vacuum Tube
- Product Code: RCA 12AX7A Vacuum tube
- Availability: Out Of Stock
-
$17.99 USD
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Tags: RCA 12AX7A Vacuum, Tube