GZ32, MULLARD, BLACK BASE, FACTORY CODE, 1358 G3, FLEETWOOD, JANUARY 1955 MANUFACTURE On offer we have a Mullard GZ32 rectifier valve - AND FROM A RARE PRODUCTION SITE TOO. The classic ST envelope is tight to the black micanol base which shows perfect white print. The device tests as 100% emissive for each diode section using our AVO VCM 163.
