As I understand it, the only differences between the REF 75 and REF 75SE are as follows:
- KT150s used instead of KT120s
- different capacitors used
- an SE badge on the external case
Am I missing anything?
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If not, has anyone with the REF 75 installed KT150s without operational issues? In other words, are the different capacitors necessary to run with the bigger tubes? If so, what characteristics of the sound are different/absent?