Pair tube direct heat triode tube Chinese eggplant tube metal foot measurement value 74/74 (rejected value 58) with original box*Pairs are determined based on gM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Large triode tube, made in China, seems to have the same structure as Golden Dragon 845 Premium Metal. Measured Ip value: 73/72mA (the best standard IP value for this amplifier is 75mA) with original box ※Sound is checked with a test amplifier, plate current values have been measured, and it has been determined that operation is good (Kojima Yosuke)
Accessories: original box
It is thought to be made by Shuguang Electronics (China) due to the pair tube direct heat triode structure. Measured value 68/66 (rejected value 38) *Pairs are determined based on gM values measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: none