Military high reliability tube 12AX7/ECC83/M8137 equivalent tube box plate code:??? R1I2 measured value 40 (rejected value 32) with white box*Measured values indicate gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: white box
Military high reliability tube 12AX7/ECC83/M8137 equivalent tube box plate code: 641 R1I2 measured value 38 (rejected value 32) with white box ※The measured values indicate gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: white box
Military high reliability tube 12AX7/ECC83/M8137 equivalent tube box plate code: 64? R1I2 measured value 36 (rejected value 32) with white box*Measured values indicate gM values measured by testing machine TV-7 (Kojima Yosuke)
Accessories: white box
Selling 1 bottle CV4085/6267 compatible ball mesh shield cord:??? It has a D3A5 Mullard print on it, but it seems to be made in Germany from the date code. Measured value 58 (rejected value 33) with original box ※The measured values indicate gM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
Sold 1 bottle 6X4 compatible ball rectifier tube square getter measurement value 60 (rejection value 40) There is burn inside the tube with replacement box*The measured values indicate gM values measured with the test machine TV-7 (Kojima Yosuke)
Accessories: replacement box (the nails on the box are missing)
Pair tube EL32 equivalent military tube made in England top grid measurement value 64/64 (rejected value 50) It was determined that it was made by Mullard from a date code with a white box ※The pair was determined based on the gM value measured with the test machine TV-7 (Kojima Yosuke)