M8137 CV4004 ECC83 12AX7 Mullard Holland Box Plate AB NOS Valve Tube 1pc Jan21A

M8137 CV4004 ECC83 12AX7 Mullard Holland Box Plate AB NOS Valve Tube 1pc Jan21A
M8137 CV4004 ECC83 12AX7 Mullard Holland Box Plate AB NOS Valve Tube 1pc Jan21A
M8137 CV4004 ECC83 12AX7 Mullard Holland Box Plate AB NOS Valve Tube 1pc Jan21A

M8137 CV4004 ECC83 12AX7 Mullard Holland Box Plate AB NOS Valve Tube 1pc Jan21A
M8137 CV4004 ECC83 12AX7 Mullard Holland. IA: 1.15 GM:1.3. IA: 1.2 GM:1.6 ± 20%.
M8137 CV4004 ECC83 12AX7 Mullard Holland Box Plate AB NOS Valve Tube 1pc Jan21A