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Tubes & Valves Upgrades, Spares & General Comments |
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Thread Tools | Display Modes |
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Rebranded Telefunken Black Diamonds
I recently picked up two quads of balanced, matched, low noise 12AX7 tubes to have on hand just in case. I tested them on a Orange tube tester (very basic tester) and they all passed with flying colors. Not sure when I will give them a try.
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