Blackstar HT5R MkIII vs Blackstar HT20R MkIII
HT5R's 0.5W low-power mode makes it the better bedroom amp — HT20R's 20W capability makes it the right choice for small venue gigging. Both share the same HT circuit and ISF control.
Blackstar HT5R MkIII
Blackstar's 5W tube combo with the ISF (Infinite Shape Feature) tone control, two channels, effects loop, and a speaker-emulated line out for silent practice. The most bedroom-friendly genuine tube amp available.
Home players who want genuine tube tone and breakup at bedroom volumes — particularly those who record direct and need a speaker-emulated output
Blackstar HT20R MkIII
All-tube 20W combo from Blackstar's HT series — gigging-capable two-channel amp with ISF control, reverb and an emulated DI output. The gigging version of the popular HT5R.
Small venue gigging players who want tube tone with Blackstar's ISF versatility and a DI output for silent recording
Tone Character
Blackstar HT5R MkIII
- ✓ 5W for genuine tube breakup at low volume
- ✓ 0.5W mode for near-silent tube saturation
- ✓ ISF control sweeps American to British voicing
- ✓ Effects loop for professional pedal integration
- ✓ Speaker-emulated out for direct recording
- ✗ Less headroom than Blues Junior — breaks up earlier
- ✗ ISF control requires learning curve
- ✗ Limited clean headroom — not ideal for jazz or country
Blackstar HT20R MkIII
- ✓ 20W gigging capability
- ✓ Two channels with full ISF EQ
- ✓ Emulated speaker DI output
- ✓ All-tube design
- ✓ High gain channel
- ✗ No low-power mode like HT5R
- ✗ Louder minimum volume than HT5R
- ✗ Less suitable for bedroom at full gain
When To Choose Each
Home and bedroom players who want real tube tone at low volumes — the 0.5W mode is genuinely bedroom-compatible
Gigging players who need enough volume for small venues while retaining Blackstar's ISF-controlled character
Final Verdict — Blackstar HT5R MkIII vs Blackstar HT20R MkIII
Best for beginners
Blackstar HT5R MkIII
Blackstar HT5R MkIII scores higher on versatility (68/100) and lower on gain (45/100) — a more forgiving starting point than Blackstar HT20R MkIII.
Best for metal tones
Blackstar HT20R MkIII
Blackstar HT20R MkIII leads on gain (75/100) and bass response (65/100) — the two tonal pillars of metal playing.
Best value
Blackstar HT5R MkIII
At £349 vs £649, Blackstar HT5R MkIII delivers 46% cost savings. The tonal trade-off is minor.
Specification Summary
| Blackstar HT5R MkIII | Blackstar HT20R MkIII | |
|---|---|---|
| Price | £349 | £649 |
| Category | Amp | Amp |
| Gain | 45/100 | 75/100 |
| Warmth | 60/100 | 68/100 |
| Treble | 58/100 | 62/100 |
| Bass | 55/100 | 65/100 |
| Versatility | 68/100 | 75/100 |
| Best for | Home players who want genuine tube tone and breakup at bedroom volumes | Small venue gigging players who want tube tone with Blackstar's ISF versatility and a DI output for silent recording |
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Frequently Asked Questions
Yes — 20W through an efficient 12" speaker is loud enough for small-to-medium venues. The HT20R is a gigging amp.
HT5R — at 0.5W (low power mode) it reaches saturation at very low volume, ideal for bedroom recording.
Yes — speaker emulated DI out for silent recording on both models.
HT5R — two power modes (5W and 0.5W) give it more range at low volumes.