Mullard KB/D CV4004 ECC83 M8137 Box Plate Valve NOS Boxed 641 R1D3 (V2)

Mullard KB/D CV4004 ECC83 M8137 Box Plate Valve NOS Boxed 641 R1D3 (V2)
Mullard KB/D CV4004 ECC83 M8137 Box Plate Valve NOS Boxed 641 R1D3 (V2)

Mullard KB/D CV4004 ECC83 M8137 Box Plate Valve NOS Boxed 641 R1D3 (V2)
CV4004 M8137 ECC83 12AX7 Valve Tube. Grey Box Plates & Halo Getter. 641 R1D3 Code in the Glass. Fully Tested on AVO VCM 163. Ia 1.85/1.55 - Gm 1.5/1.5. 100% Book Spec = Ia 1.2 - Gm 1.6.

NOS, Supplied in Mullard Box.


Mullard KB/D CV4004 ECC83 M8137 Box Plate Valve NOS Boxed 641 R1D3 (V2)