 The 6CG7 EH is a medium-mu, dual triode; basically, a 6SN7 in a 9-pin envelope. It offers much of the low noise and smooth sound of the original 6CG7 and 6FQ7 from the 50s and 60s. $20.00 |  The old Tungsol name is back. This new production 6SN7 from Russia. Definitely an upgrade from the other 6SN7s in production. $20.00 |
 NOS 12SX7 One of the best sounding octal tubes ever made, the 12SX7 is a direct replacement for the 12SN7. (Introduced in 1946, the 12SX7GT was created to work under extremely low-voltage operation in airplanes.) $27.00 |