I bought this to explore the "tube sound" but discovered that I am a modeling kind of a guy.  Played at most 2 hours.

Blackstar HT-20R MKII

Like all amps in Blackstar’s HT Venue MkII series, the HT Studio 20RH MkII is a powerhouse — it’s packed with all the tones you’ll ever need. Experience truly boutique tone from the HT Studio 20RH MkII’s updated clean channel, or kick in the overdrive channel for a wide range of distorted textures. And thanks to Blackstar’s patented Infinite Shape Feature, you can dial in everything from inspiring British edge-of-breakup grit to tight and punchy American high gain. Complete with onboard reverb and a speaker-emulated output, the HT Studio 20R MkII is ideal for your rehearsal space, studio, or anywhere where premium tube tone is required.

Key Features:

-Black vinyl covering with grey grille

-1X12 Blackstar designed speaker

-20-watt all-tube guitar combo amp

-2 footswitchable channels with voicing switches deliver tonal flexibility

-Coax sparkling highs and lucid lows from the boutique-style clean channel

-Overdrive channel supplies enough gain for blues, classic rock, hard rock, and metal

-Infinite Shape Feature (ISF) dials in everything from American to British high-gain tones

-Power reduction circuit takes your wattage down to a bedroom-friendly 2 watts

-Speaker-emulated output with 1x12 and 4x12 options for recording or running straight to a PA

-Digital reverb adds dimension to your playing without washing it out

-Effects loop with Loop Level switch makes integrating your pedalboard and other effects easy

-USB audio output makes recording easy

-MP3/Line In for jamming along to your favorite music