Conrad Johnson ET3 and ET3SE Preamp
Re-tube your Conrad Johnson ET3 and ET3SE Preamp with our specially selected vacuum tube sets. Our Conrad Johnson tube replacement kits are designed for your amplifier and come in different option levels ranging from Upgrade to Premium to Ultimate.
We’ve been supplying tubes for Conrad Johnson amps for over 20 years. Use our extensive knowledge, experience and customer feedback to select re-tube packages that will work great in your tube amp.