12Axx to ECC88 Adapter - Plug Play NOVIB © - 1960s NOS British McMurdo Phenolic socket on Top plus Vibration Reduction Base - 9-pin B9A NOVAL -(NOT MADE IN CHINA) Tested and matched on Top

Tested and matched on Top of the Line Calibrated 752

or bloated

This tube has great detail

these are probably the best E188CC/CV4108/7308 type tube made by Mullard

12Axx to ECC88 Adapter - Plug Play NOVIB © - 1960s NOS British McMurdo Phenolic socket on Top plus Vibration Reduction Base - 9-pin B9A NOVAL -(NOT MADE IN CHINA) Tested and matched on Top12Axx to ECC88 adapter will let you use common tubes like 12AX7 ECC83, 12U7 ECC82 and 12AT7 ECC81 and other tubes with same pinouts as 12AX7 in ECC88 6DJ8 amps. For example you can use this adapter to Plug in 12AX7 ECC83, 12U7 ECC82 and 12AT7 ECC81 in ECC88 based Schiit Lyr 2, Vali 2 or Mjolnir 2 amps or any other amp that uses ECC88 6DJ8 tubes. Top part is Brand New 1960s British Made McMurdo Phenolic socket. Anti vibration Base* has silicone to