NOS in white boxes.  ca 1960 original Tesla ECC83/12AX7s. Very clean tone. A little less bright than the average 12AX7.

Mike, thanks for the tube recommendations. The Tesla ECC83 sounds awesome in V1 of my MAZ 18 NR. Ryan

In good original boxes.

Rare find. NOS in original boxes.  Small stash in stock.

NOS in nice original boxes. 1950s/60s. Nice smooth tone, a little less bright than the average 12AX7.

Short plates.Great guitar amp and audiophile tube. Very sweet sounding with a smooth top end. One in stock in original GE box.

Great in guitar amps.

$28

NOS in original boxes. 1960's. Very limited supply.

Original equipment for Fender blackface amps. Excellent in ANY guitar or audiophile amplifier.

Original equipment in '60s Fender guitar amps. Classic tube for all Fender and similar amps. One in stock labeled and boxed as Motorola.

Amperex Holland 12AX7/ECC83 in original boxes. Very high quality tube for all audiophile and guitar amp applications. 

Short plate for improved microphonic performance.