Hi,
For all Copland owners that may be interested,
I just talked to the Official dealer and technical service, and the feedback was the following:
For the model CTA-405 they have formally asked the manufacturer, who confirmed that KT120 can be used without any change in this amplifier.
Apparently Copland even recommended such change as a good upgrade.
Bias adjustment must be at same level (0,45V) as for KT88.
The dealer also confirmed that they have mounted KT120's for several customers and that they are preparing several other KT120 sets to be mounted as an upgrade for their customers owning CTA-405's.
Voila...
For all Copland owners that may be interested,
I just talked to the Official dealer and technical service, and the feedback was the following:
For the model CTA-405 they have formally asked the manufacturer, who confirmed that KT120 can be used without any change in this amplifier.
Apparently Copland even recommended such change as a good upgrade.
Bias adjustment must be at same level (0,45V) as for KT88.
The dealer also confirmed that they have mounted KT120's for several customers and that they are preparing several other KT120 sets to be mounted as an upgrade for their customers owning CTA-405's.
Voila...