Marshall JMP 50W (6550 version) - Premium Package
We’ve been supplying tubes for over 20 years. Use our extensive knowledge, experience and customer feedback to select re-tube packages that will work great in your tube amp.
Value PackageUltimate Package
Additional Information and DownloadsPremium Package - Click for more information.
Bias Type: Adjustable Bias
Marshall JMP 50W Lead and Super Lead (6550 version) - Schematic
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Warranty Information and Return Policy
Warranty may vary for tubes in this package. See included tubes webpages for specific warranty details.