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JJ/Tesla 7591S Matched Pair

Close in size to original 7591, this octal based tube is an excellent substitute for any NOS 7591. Measures 3.1 inches (79 mm) tall and 1.27 inches (33 mm) dia. It fits in HH Scott and other vintage amps, and works great in amps like Ampeg Mercury.

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Manufacturer JJ/Tesla
Configuration Matched Pair
Package Includes
  • 2 x JJ/Tesla 7591S