Best Guitar Amplifiers · head-to-head

Positive Grid Spark 2 vs Blackstar HT-1R MkIII

A sourced, side-by-side comparison. Positive Grid Spark 2 is cheaper at $349. Every spec and price links to its source.

Which is better: the Positive Grid Spark 2 or Blackstar HT-1R MkIII?

On the specs we track, they're closely matched. The Positive Grid Spark 2 is the cheaper at $349.

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Full spec sheet

marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.

Spec Positive Grid Spark 2 Blackstar HT-1R MkIII
US price $349 $449.99
BrandPositive GridBlackstar
Released
Amplifier type modeling tube
Power watts 50 1
Speaker config 2x4 1x8
Channels 2
Form factor combo combo
Onboard effects Yes Yes
Effects loop No No
Direct out Yes Yes
Headphone out Yes Yes
Weight (lb) 12.125

Sources — Positive Grid Spark 2: positivegrid.com (verified 2026-07-11). Blackstar HT-1R MkIII: blackstaramps.com (verified 2026-07-11).

What's the difference between the Positive Grid Spark 2 and Blackstar HT-1R MkIII?

Where the two actually differ on the specs we track (3 of 10). Matching specs are omitted.

  • Amplifier type: Positive Grid Spark 2 modeling vs Blackstar HT-1R MkIII tube
  • Power watts: Positive Grid Spark 2 50 vs Blackstar HT-1R MkIII 1
  • Speaker config: Positive Grid Spark 2 2x4 vs Blackstar HT-1R MkIII 1x8

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