Some of those Chinese top caps would worry me. The small ones, for like a 6KD6 will hardly stay on the tube even.
seems like you could just use a small tool like a miniature flathead screwdriver to bend the contacts a bit closer
seems like you could just use a small tool like a miniature flathead screwdriver to bend the contacts a bit closer
The metal used in these is very soft and deforms readily![]()