1x NOS Mullard MZ1-100 Valve


Serial No. 1942

Extremely rare, early DA100 made by Mullard. Appear to be NOS.

Tested by AVO VCM Tester


Ia = 57(mA), gm = 3.2(mA/V) @ Va=400(V),Vg=-46


NOS specification: Ia = 65(mA), gm = 3.3(mA/V) @ Va=400(V),Vg=-46






Postage Costs
I am happy to post this item to worldwide and combine postage cost on multiple purchases.
















20220130L009