12Axx to 6SN7/6SL7 Adapter - Plug & Play NOVIB © - 1960s NOS British McMurdo / Cinch Phenolic socket on Top with GE NOS, 8-pin Octal plug. Tubes have Dual Logos

Tubes have Dual Logos

1970s production NOS NIB

the results are amazing

Compatibility List: B9A universal socket saver for all 9-pin NOVAL tubes

More powerful and precise bass

12Axx to 6SN7/6SL7 Adapter - Plug & Play NOVIB © - 1960s NOS British McMurdo / Cinch Phenolic socket on Top with GE NOS, 8-pin Octal plug. Tubes have Dual Logos12Axx to 6SL7 6SN7 adapter will let you use common tubes like 12AX7 ECC83, 12AU7 ECC82 and 12AT7 ECC81 and other tubes with same pinouts as 12AX7 in 6SL7 6SN7 amps. Top part is Brand New 1960s British Made McMurdo American made Cinch Phenolic socket. Bottom part is 1960s NOS GE USA 8 pin Plug. Anti vibration sleeve* reduces microphonics. Top plug and bottom socket parts are Brand New NOS for snug fit, . Engineered in house and precision manufactured