Skylab
Reviewerus Prolificus
Just to echo HA's comment, you absolutely cannot use a 6DJ8 in the DV336SE.
You might look for a tall-boy CBS-Hytron 6SN7GT - often very reasonably priced, and very good sounding.
You might look for a tall-boy CBS-Hytron 6SN7GT - often very reasonably priced, and very good sounding.