Psvane T series premium grade tubes seem to be better option of the series.
Grant Fidelity has great information on the BB tubes which sometimes on other websites if shopping for tubes can be a mystery.
For other options checkout tubedepot for Genalex NOS KT88 tubes and other KT88 tubes options.
Grant Fidelity has great information on the BB tubes which sometimes on other websites if shopping for tubes can be a mystery.
For other options checkout tubedepot for Genalex NOS KT88 tubes and other KT88 tubes options.