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Product 6/25 Western Electric 420A =5755 , for ECC83/12AX7 , one of the best 12AX7! Clear Top! USD$111.53/per piece Stock : 2 pcs. Status : NOS Box : originally from an OEM egg crate of 100 tubes; in WB Descriptions : (2025) only singles, no pairs. if you want matched pair, just pass this item. Westernic Electrin 420A=5755, similar to 12AX7/ECC83 but different pin layout! Earliest 1940s made ! (2007,12,7) (=>over 500 pcs!), It need a socket converter for 12AX7/ECC83 amp. (=>hand made socket converter ), (=>[420A+ socket converter]=12AX7), This is the clear top version. Great sounding for ECC83/12AX7 amps! Available Options: Option: + socket converter (+USD$8.48)No tube(s) matching service: +Yes (+USD$1.70)No Current Reviews: 3

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