Medium sized plates and a nice balanced tone.

The Groove Tubes GT-12AX7-R3 Select Preamp Tube is the 3rd offering from the same Russian tube factory that builds the R1 and R2, but this one has medium sized plates and a nice balanced tone. Good midrange and average gain. Like all Russian preamp tubes, the sound is a bit lacking in treble area, which is one reason the have a low microphonics and do not feedback or ring as much.

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