• 12AY7 / 6072 tube.
  
• Used in audio equipment and some guitar amps.
  
• Lower gain ECC83.
  
• Great consistent JJ electronic quality.
  
• Warm and balanced.
  

This medium gain preamp tube was originally developed pre ECC83 and has 40-50% less gain than the ECC83. It's often used to tame and clean up an amplifier which has gain levels which are slightly too high.

See Also:

• ECC83 / 12AX7 Preamp Tubes
• JJ Electronic Tubes
• Tubes and Valves for Amplifiers