Electro Harmonix EF86 Tube

• Pentode preamp tube.
  
• Also known as the 6267.
  
• Pentode vacuum tube
  
• Low microphonics.
  
• Made by New Sensor in Russia.

This tube is found in pro audio devices such as microphones and hifi audio. Also used in certain guitar amps. It's durable, low noise and has that great EHX reliability. Can replace any 6Zh32P, but check manufacturer guidance. If you order x3 or more then a 5% discount is auto applied.