Customer Kudos
"zZounds has always had exemplary customer service, and you actually speak with a live agent who has access to the resources to give you solid answers, instead of an IVR/AI that is designed to limit calls and ignore the customer. Kudos to zZounds for letting customer support still mean something as comparred to other companies."
September 19, 2026
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Orange Valve Tester MKII Expansion Module
Hot-rod your already awesome Valve Tester MKII with an expansion module. This a la carte option allows you to choose just the single tube type you need.
Comes in 5 Styles$249.00
- No Credit Check6 payments of$41.50/mo
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Valuable tools for any tube aficionado, Orange valve testers save you time and money by determining the quality of tubes for guitar amps, mic preamps, and more. Call our Gear Experts now for help with your purchase: 800-460-8089.