Blackstar HT Studio 20 Combo Guitar Amp - Used

** This amp is used and shows some signs of wear on the tolex. The front logo is also missing. Still sounds great! **

From the moment you power it on, the Blackstar HT Studio 20 Combo delivers unmistakable all-tube warmth with modern tonal flexibility. Designed for players who demand boutique-inspired tone in a portable format, this 20-watt combo balances vintage character with contemporary control.

At its core, the HT Studio 20 is powered by two ECC83 preamp tubes and a pair of EL34 power tubes, producing rich cleans, dynamic crunch, and saturated lead tones with impressive headroom. The Clean and Overdrive channels provide a wide tonal range, while Blackstar’s patented ISF (Infinite Shape Feature) control allows you to seamlessly shift between American-style clarity and British-style midrange punch.

Loaded with a custom-voiced 12” speaker, the amp delivers tight low end, articulate mids, and smooth high frequencies—ideal for studio sessions, rehearsals, and small-to-medium gigs. A digital reverb adds depth and dimension, while the built-in emulated output makes direct recording effortless without sacrificing tone.

Compact yet powerful, the HT Studio 20 Combo offers classic tube response, modern versatility, and professional-grade performance in a road-ready format.

GENERAL

Type: All-Tube Combo Amplifier
Power Output: 20 Watts
Channels: 2 (Clean, Overdrive)
Voicing Control: ISF (Infinite Shape Feature)
Reverb: Digital

TUBES

Preamp Tubes: 2 x ECC83 (12AX7)
Power Tubes: 2 x EL34

SPEAKER

Speaker Size: 12"
Speaker Type: Custom-Voiced Blackstar Speaker
Impedance: 16 Ohms

CONTROLS

Clean Channel: Volume
Overdrive Channel: Gain, Volume
EQ: Bass, Middle, Treble
Master: ISF, Reverb, Master Volume

CONNECTIONS

Effects Loop: Series Effects Loop
Footswitch: 2-Button Footswitch Included
Speaker Outputs: 1 x 16 Ohm, 2 x 8 Ohm
Emulated Output: Speaker Emulated Line Out
USB: No
Headphone Output: Via Emulated Output

CABINET

Cabinet Type: Open-Back Combo
Finish: Black Tolex with Blackstar Logo
Grille Cloth: Black

MISCELLANEOUS

Weight: Approx. 19 kg / 42 lbs
Included Accessories: Footswitch, Power Cable