The Blackstar HT Studio 20 is the perfect amp for any house, studio or club gig! With 20 Watts of classic tube power and a 1×12 speaker the Blackstar HT Studio 20 has plenty of grunt!! Looking for an astonishingly affordable amp to give your studio a boutique vibe? Here you go.

The Blackstar HT Studio 20 combo all-tube guitar amplifier is perfect for anyone who wants more than a single tone from their axe. Sporting a pair of ECC83s and a pair of EL34s to push 20 watts through a single Celestion speaker, the HT Studio 20 combo boasts an impressive range of character. First, there's the HT Studio 20 combo's boutique-style clean channel, which gives you sparkling highs and lucid lows. Then there's the overdrive channel, which features Blackstar's Infinite Shape Feature (ISF) circuit. This cool technology allows you to dial the overdrive tone from extremely American-sounding to extremely British-sounding and anywhere in the middle, making the HT Studio 20 combo a seriously cool studio amp!


  • 20-watt valve combo amplifier
  • 2 x ECC83 and 2 x EL34 tubes
  • 2 footswitchable channels
  • 12" Celestion speaker
  • Enhanced tone controls
  • Patent-pending Infinite Shape Feature (ISF)
  • Master volume control
  • Digital reverb
  • Speaker emulated output
  • Effects loop
  • 1-way footswitch included
  • Cool vintage styling
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