NOS in original boxes.
NOS in original boxes with various brands such as Lindall, RCA, Raytheon, Realistic, etc.
Original boxes. Labeled and boxed as RCA, National, etc..
Long plate 12AX7.
Great in guitar amps.
Original equipment in '60s Fender guitar amps. Classic tube for all Fender and similar amps. Some have alternate markings such as Amperex, GE, Motorola, Silvertone, etc.
Made in Holland by Philips (parent company of Mullard, Amperex, etc). Same tube as sold/labeled by Amperex from the late '60s early '70s. Solid disk getter with the same plate structure as Mullard/Amperex ECC83s. I66 (delta) production codes. Great in guitar and audio applications. "Hi Mike, I'd like to order two more of those Dutch Phillips ECC83s. It's amazing what that tube does for both my Vox AC30 and brown Deluxe. David" "Hi Mike, I received all the tubes a couple of days ago