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Sold (3) RCA 7025 / 12AX7A Preamp Tubes


Silver Supporting Member
Here are three very nice vintage RCA tubes for sale.
From left to right:
-1960s "Beckman" 7025 (made by RCA), tests at 49-53
-1960s RCA 12AX7A, tests at 49-45
-Early 1970s RCA 12AX7A, tests at 47-47.

All readings are on my Dan Nelson calibrated TV-7D/U. These tubes have been audio tested as well.
These are far superior to any new "off the shelf" 12AX7s and will probably last longer too.

$50 for the trio + $5 shipping/tracking.
m/o or check for payment please.


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