DiscussierBlackstar HT-20R MkII
The Blackstar HT-20R MkII is a 20-watt all-tube combo amplifier that offers a flexible two-channel design with Blackstar's proprietary ISF (Infinite Shape Feature) tone control for dialing in everything from American to British amp voicings. Powered by two EL34 output tubes and two ECC83 preamp tubes, it pushes sound through a 12-inch Celestion Seventy 80 speaker. The ISF knob is the defining feature, allowing players to sweep continuously between tight, scooped American-style tones and warme...