I'm using a Littledot MkIII amp, so I'm assuming that these tubes will be ok for that amp?
Also, I'm assuming that these are what you're referring to Mordy?
Yes, those 6HM5s are the right tubes, made in Yugoslavia. And yes, they will work great in your LDIII. Just set your amp to use EF95 tubes and you are good to go. As I use an LD 1+, I can't comment on the 6N6P....