Why would you sweat a 75.00 tube? Even if it's not the problem, if you keep the DAC you will eventually need to replace it.
BTW, have owned the Havana for ~3.5 yrs. and have replaced the tube once already. It is an excellent sounding DAC.
Shakey
BTW, have owned the Havana for ~3.5 yrs. and have replaced the tube once already. It is an excellent sounding DAC.
Shakey