Pair tube, made in England, 6L6G equivalent tube, military high reliability tube, smoke measurement value 42/36 (rejected value 25) with white box ※ pair is determined based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube, made in England, 6L6G equivalent tube, military high reliability tube, smoke measurement value 42/42 (rejected value 25) with white box ※Pairs are determined based on gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: white box
Pair tube 12E1 equivalent tube British beam quadrupole top plate measurement value 56/54 (rejected value 40) There is writing on the top of the tube head with original box*Pairs are determined based on GM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Pair tube 12E1 equivalent tube British beam quadrupole top plate measurement value 62/56 (rejected value 40) There is writing on the top of the tube head with original box*Pairs are determined based on GM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: original box
Single sale rectifier tube 5R4GY equivalent tube tea base double gettering measurement value 52 (rejection value 40) with white box ※The measured values indicate gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box
Single sale rectifier tube 5R4GY equivalent tube tea base double gettering measurement value 54 (rejection value 40) with white box ※The measured values indicate gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box