A 12AX7A that blends high-gain and low microphonics.
These JJ Electronic tubes are tested by Magic Parts™ for quality assurance and selected for low microphonics and hum. This ensures that even the highest gain tubes will be quiet, dependable, and are backed by a 6-month manufacturer's warranty.
- HG is great for use in any stage of low and mid gain amps, and all but the first stage of high gain amps.
- HG+ has extremely low microphonics and intended for use in the first stage of high gain amps.