Detail 01
2x ECC83 and 2x EL84 valves
These valves make up the amplifier's preamp and power sections.
Product detailSKU #1500000431660
BlackstarHT-20R MK III 20W Tube Guitar Combo Amp Black
Salebluespoppunkpop punk
1/5
Independent shopping perspective
The Korena take
HT-20R MK III is a 20-watt valve guitar combo that covers clean and overdrive work for rehearsal, studio sessions, and small gigs. Two footswitchable channels, each with two voices, give you distinct working modes; the Overdrive channel also includes Blackstar's ISF control. Switch to 2-watt operation for home practice. For recording or direct monitoring, CabRig emulated outputs reach balanced XLR, stereo headphones, and USB, while the stereo line input, level-switchable effects loop, digital reverb, and external-speaker outputs broaden routing options.
Strong match
Who this is for
- Rehearsal, studio, and small-gig guitar setups needing clean and overdrive channels.
- Home practice with the power-reduction switch set to 2-watt operation.
- Recording or direct routing through CabRig XLR, headphone, or USB outputs.
What matters in use
The specifications, translated
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.
Detail 02
Two channels, two voices each
Both footswitchable channels offer two footswitchable voices.
Detail 03
Power reduction switch
Reduces operation from 20 watts to 2 watts.
Detail 04
CabRig emulated outputs
Provides IR-based output to balanced XLR, stereo headphones, and USB, with three preset selections.
Detail 05
Effects loop with level switch
The loop can be set for +4dBu or -10dBV levels.
Detail 06
Speaker outputs
Supports 2x 8-ohm and 1x 16-ohm speaker-output configurations.
Final check
Know before you order
- 01Check the impedance and cabinet arrangement before using the external speaker outputs.
- 02Architect software is available for deeper editing of the reverb and CabRig settings.
Product questions
Before you decide
Straight answers to the questions shoppers most often ask about this product.
01Can it run at a lower power setting for practice?
Yes. Its power-reduction switch provides 2-watt operation.
02What direct-output connections are available?
CabRig provides IR-based emulated output to balanced XLR, stereo headphones, and USB.
03Does it include an effects loop?
Yes. The effects loop has a selectable +4dBu/-10dBV level switch.
04How many channels does it have?
It has two footswitchable channels, and each channel has two footswitchable voices.
Reference
Full specifications
The complete catalog record, organized around the decisions musicians make when comparing gear.
4 detailsSound
- Speaker Size
- 1x 12 inch speaker
- Speaker Compatibility
- Speaker outputs for 2x 8 ohm and 1x 16 ohm
- Effects
- Effects loop with level switch for +4dBu/-10dBV
- Effect
- Digital reverb
1 detailsPickups & controls
- Control
- Power reduction switch for 2-watt operation
2 detailsBody & build
- Color
- Black
- Type
- 20-watt valve combo
2 detailsConnections & power
- Outputs
- IR-based CabRig emulated outputs to balanced XLR, stereo headphones and USB, with 3-way preset selection switch
- Input
- Stereo line input
4 detailsOther
- Software
- Reverb and CabRig deeper editing available using our proprietary Architect software
- Valves
- 2x ECC83, 2x EL84
- Feature
- Patented Infinite Shape Feature (ISF) on Overdrive (OD) channel
- Channels
- Two footswitchable channels, each with two footswitchable 'voices'
