Mullard 10M Master Series 7025 12AX7 ECC83 pair (2) tubes. The very highly regarded 10,000 hour tube! Tested on Hickok. Made in Great Britain. Delicate stencils are beautiful= minor marks and missing condition.

Very close date codes. Spares from my tube drawer.  All from same matched set their entire life. Play tested in preamp and Performance Tested on my Hickok 800 tube tester.


Set Yourself Up For Some Great Listening!
Tested on my Hickok 800 tester!
Min Good 1250 for these tubes.
These check excellent.
Readings =  2300/2200, 2200/2250.  
Excellent! Life test checks excellent as well. Your tester may read differently. Used item sold as-is.
Packed in White Tube Boxes.
Serious only, please. PayPal, ONLY please.  
Usually ships within 2 business days after receiving payment. 
I am a packaging professional and you shall not worry about safe arrival to your door. 
Take it home tonight!

Email me with questions:
Al at
Plateau Audio


Shipping is $7 USA Lower 48 states. $16 to AK, HI, PR, GU, VI (choose economy shipping). International Shipping is $28.


Also see my other ads under McIntosh, Marantz, Dynaco, Audio Research, Conrad Johnson, VTL, Counterpoint, Nakamichi, VPI, Fisher, Sonic Frontiers, Parasound, Altec, JBL, Linn, Accuphase, Carver





Thanks!