Solid-state tube replacements are innovative ... and response of preamp tubes like the 12AX7. They are plug-and-play compatible with most tube amps and offer greater reliability than traditional ...

It’s a dual channel, 30W tube amp head boasting 4x ECC83/12AX7 tubes in the preamp section ... It's also one of the top picks in our guide to the best Orange amps. Looking at the amp, it ...