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Orange Amplifiers

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This Orange Amplifiers Valve Tester MKII Expansion Module E module adds the capability to test 300B directly heated triode valves to your Orange Valve Tester MKII. The 300B is a popular power tube known for its warm, rich tone and is often used in high-end audio amplifiers. This module ensures you can accurately assess the condition of your 300B valves for optimal performance.

Orange Amplifiers Valve Tester MKII Expansion Module E - 300B

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  • Enables testing of 300B directly heated valves
  • Easy to install and use
  • Expands the testing capabilities of the Valve Tester MKII

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