Pro ject tube box s

Anyone have a good tube upgrade for this little unit.Cheers Bob

thirsty9303-12-2020 9:23pm

chakster Details Discussions Posts This discussion 6,144 posts 03-25-2020 at 05:08pm Copy Comment URL Report Comment Edit Delete Can you use ECC81 (12AT7) instead of ECC83 (12AX7) in this circuit ? I've been searching for the best NOS ecc81 (12at7) for my ex amp and discovered some amazing vintage tubes from telefunken, sylvalia, matsushita