1/ RCA 12AU7A 長屏
長灰屏,斜方環,斜水銀
跟什盒 $500/pair
2/ Amperex 地球嘜 6189W 12AU7 ECC82
Made in USA ,match pair,粉字有甩,高讀數 $450/pair
3/ GE 12AU7A ECC82
Made in USA ,舊裝黑屏
match pair,good condition $450/pair
4/ RCA 5963 ECC82 12AU7
長黑屏,方環,good condition $700/pair
5/ Amperex ECC82 12AU7
good condition,good sound
match pair,white box $1000/pair