Blackstar HT20RH MKII 20-Watt Tube Head with Reverb It has incredible harmonic content

It has incredible harmonic content across all frequency ranges

microlab still gives you an awesome level of control

Three-way filter

and because it was designed around the X731 the WA12 MKII Black can accept any discrete op-amp on the market that conforms to the +/-16v

Blackstar HT20RH MKII 20-Watt Tube Head with Reverb It has incredible harmonic contentGet classic tube tone with high quality reverb in the studio, rehearsal and beyond. The Blackstar HT 20RH MkII offers huge versatility for home, rehearsal or studio use. The carefully voiced preamp, coupled with an EL84 power amp, provides you with the ability to create wonderfully lush valve tones. From pure boutique cleans, to mild overdrive that cleans up by backing off the guitar volume control, right up to saturated distortion, this amp does it