Pro Audio Land: Knowing When To Replace Your Amp Tubes https://t.co/8y5Zjy17Df https://t.co/Kn7yFAa8Cx

Thursday, July 14, 2016

Knowing When To Replace Your Amp Tubes https://t.co/8y5Zjy17Df pic.twitter.com/Kn7yFAa8Cx
— ProAudioLand (@ProAudioLand) July 15, 2016

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