[PHC1]

Originally Posted by autosky

Thanks. I completely forgot to say that my acoustics are JBL K2 s9500, it requires a lot of power)

Not familiar with those speakers personally but glancing at the specs, 98dB efficiency, horn loaded would typically be a great match for a tube amp. The impedance however is 3 ohms and I suspect those dual 14” drivers do like some serious current on transient peaks...