Mullard British Made

Modern Logo M8137 CV4004 ECC83 Valve/Tube

Grey Box Plates & Halo Getter

Dual Printed M8137/CV4004 KB/D

Factory Code in the Glass = 641 R2D2

Supplied in White Box

Fully Tested on Avo VCM 163..

100% Book Spec = Ia 1.2 - Gm 1.6

This Valve Tests = Ia 1.45/1.6 - Gm 1.6/1.7

1 Piece

 As Per Photo

PayPal Payment Only Please