Marshall 800 50W British V1 - JJ Tube Set
JJ replacement tubes kit for the Marshall 800, MA50, Models 1986, 1987, 2204, 2520, 2553, 2554, 2558 Jubilee, 4010, 4104, early Marshall 50W amps and 50W Mark II amps. This kit is for the models that shipped with 6550 tubes from the factory. Special selection set using KT66 tubes for punch, sweet mids and full bottom end. V1 Set. 1x JJ ECC803S, 1x JJ ECC83S, 1x JJ ECC83S Balanced, 2x JJ KT66 Platinum Matched.