Hi guys, I recently bought a Cornford Rk100 and couldn't be happier...
I changed the JJ preamp tubes with 4 TUNGSRAM NOS 12AX7 and the amp came to life!!!
Dynamics, tone, tight bass, silky treble, killing mids...
I am thinking of putting some NOS RFT EL34 instead of the JJ's that I have now...