This Marshall DSL15 valve kit contains four ECC83S’s ( 12AX7) and two 6V6’s. Valves are JJ Electronic, made in Slovakia.We use our SUPERMATCH process to match one of the the ECC83S’s and the 6V6S’s. We supply a test certificate showing the matching test results. The hand matched ECC83S should be placed in the phase splitter position next to the 6V6S output valves.
Mae sure the bias is set on the output valves to ensure they have the best sound and do not overheat too. Overheating shortened their life. We enclose a leaflet with the kit with recommended bias settings.
We test your valves on our suite of AVO testers
We have an upgrade kit using Tung Sol valves. Click here for info