This is the premium gold pin high performance version of the Sovtek 6H30Pi super twin triode. This is the perfect high transconductance, high performance tube for preamplifier and driver circuits.
Sovtek 6H30PI dual triode preamp tube with gold pins. Made in Russia. The 6H30 is a medium-mu dual triode with a very high-perveance cathode. The low plate resistance, combined with a superior linearity, and a true 4 watt per plate dissipation, make for a high performance voltage amp or driver.