ENGL Fireball 25 E633 vs Mesa/Boogie Triple Rectifier
The ENGL Fireball 25 E633 and the Mesa/Boogie Triple Rectifier are both amplifiers sharing transparent, mid-forward. The ENGL Fireball 25 E633 leans tight and high gain. The Mesa/Boogie Triple Rectifier leans harsh and crunchy. Current prices: $900.40 vs $1250.
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Blended from circuit-archetype lineage, dynamic feel, tone-signal overlap and tone-vector distance — the tone vector itself is derived from editorial description text, not a measured acoustic signal, so this reflects how similarly the catalog copy describes the two, not a lab measurement. Shown only within a gear class, and only where there's enough evidence to be meaningful.63% — moderately similar
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Genres both listings are associated with.- Hard Rock
- Metal
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Derived from overlapping tonal signals across both listings.- transparent
- mid-forward
ENGL Fireball 25 E633
Engl · amplifier
Mesa/Boogie Triple Rectifier
Mesa Boogie · amplifier
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Citation/mention fame — how often this gear is cited across artist rigs and gear discussion.$900.40via Reverb
$1250via Reverb
The ENGL Fireball 25 E633 is a 25-watt, two-channel tube amp head built around two 6L6GC power tubes and four ECC83 or 12AX7 preamp tubes, delivering a tight, controlled chug even when pushed into its most aggressive, ferociously overdriven settings, a hallmark of ENGL's high-gain metal-focused amp design philosophy. Its clean channel offers bright, chiming tones that smoothly break up around noon on the gain control and beyond, while the lead channel picks up where clean ends and offers essentially limitless gain suited to any style of rock or metal, both channels shaped further by a 3-band EQ, a mid boost switch, and presence control, alongside a built-in power soak letting players push the power amp into natural breakup at bedroom-friendly volumes and a built-in noise gate to keep high-gain tones clean between notes.
The Mesa/Boogie Triple Rectifier is a 150-watt, three-channel all-tube guitar amplifier head introduced in 1992, running six 6L6 power tubes and five 12AX7 preamp tubes in a fixed-bias design. It launched as a heavier, higher-headroom sibling to the Dual Rectifier and helped define the raw, aggressive, bass-heavy sound of 1990s and 2000s rock and metal, with ties to nu metal, grunge, post-grunge, and hard rock acts including Korn, Tool, Soundgarden, Foo Fighters, and Blink-182. Each of its three channels offers multiple voicings, from a genuinely clean, sparkling tone through vintage crunch to Channel 3's cascading high-gain lead voicing built for detuned, heavy rhythm work. Its distinctive tube rectifier circuit and diamond-plate faceplate became visual and sonic signatures of the era. The amp is known for needing real volume to open up fully; played quiet, it can sound thin and fizzy rather than punchy.
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Genres this gear is documented as being used in.- Rock
- Grunge
- Blues
- Nu Metal
- Jazz
- tight
- high gain
- aggressive
- bright
- harsh
- crunchy
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Occasions this gear suits — judged per model, or derived from its wattage, connectivity and category.- Live
- Practice
- Studio
- Live