Matched Code PAIR 6GW8 ECL86 Mullard Blackburn NOS Tubes Valve Shindo Sennheiser

Matched Code PAIR 6GW8 ECL86 Mullard Blackburn NOS Tubes Valve Shindo Sennheiser
Matched Code PAIR 6GW8 ECL86 Mullard Blackburn NOS Tubes Valve Shindo Sennheiser
Matched Code PAIR 6GW8 ECL86 Mullard Blackburn NOS Tubes Valve Shindo Sennheiser

Matched Code PAIR 6GW8 ECL86 Mullard Blackburn NOS Tubes Valve Shindo Sennheiser
Matched Code PAIR 6GW8 ECL86 Mullard Blackburn NOS Tubes Valve Shindo Sennheiser. Matching Factory Codes etched in glass:'WS2' over'B6K1. One tube may be Very Lightly Used? Test New Old Stock - Fully Guaranteed.
Matched Code PAIR 6GW8 ECL86 Mullard Blackburn NOS Tubes Valve Shindo Sennheiser