Ruby 12AX7AC7 Preamp Vacuum Tube

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RUBY 12AX7AC7 Early Shuguang 12AX7 version, pre-fire 2000-2019 ECC83S is 12AX7 high gain pre-amplifying double triode. Thanks to its design it also performs with very low noise and microphonics. Harmonically rich, with a detailed low end and a warm high end. All Magic Parts™ pre-amp tubes are properly tested for quality assurance. 6 month warranty on all tubes Show more