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A great choice for a phase inverter tube.
The Groove Tubes GT-12AX7-R2 Preamp Tube is the second offering from the Russian tube factory. It has larger plates and a big bass response, also a spiral filament which reduces hum in some amp designs.
These long plate tubes are a great choice for a phase inverter tube as well for fans of long plate phase inverters.
Country of origin: Russia
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