TungSol 12AX7 is one of the top choices for upgrading stock 12AX7 tubes in both audio and guitar amps.
In guitar and bass amps, TungSol 12AX7 is well balanced and low microphonics with ample gain. TungSol 12AX7 is not the highest gain tube, but that's what makes it good sounding, with good note separation and low-mids that isn't overwhelming and wash out precious harmonic content.
Replaces any 12AX7, 7025, 12AX7A tubes.
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