ENGL Fireball 100 Settings Guide
The ENGL Fireball 100 is a German-engineered 100W EL34 amplifier with two channels — Clean and Lead — famous for its tight, articulate high-gain character. Unlike American high-gain amps (Mesa, Peavey) that use compression and sag to create sustain, the Fireball maintains note definition at extreme gain. It's particularly popular with European metal players and thrash/power metal bands who need aggressive gain with precision rather than warmth.
Used by: Mark Tremonti (Alter Bridge)
The best ENGL Fireball 100 settings start with: Gain at 7/10, Bass at 6/10, Mid at 5/10, Treble at 7/10, Presence at 7/10, Master at 5/10. Adjust from there based on your amp, guitar, and room volume. For Thrash Metal: Gain 9/10, Bass 6/10, Mid 4/10, Treble 8/10, Presence 8/10, Master 5/10.
⚡ Start Here — Recommended Settings
| Control | Starting Position | Range |
|---|---|---|
| Gain | 7/10 | None → Full |
| Bass | 6/10 | Thin → Thick |
| Mid | 5/10 | Scooped → Forward |
| Treble | 7/10 | Dark → Bright |
| Presence | 7/10 | Smooth → Bright |
| Master | 5/10 | Off → Loud |
These are universal starting points. Adjust based on your amp, guitar, and room. Scroll down for genre-specific settings and artist-documented positions.
What Each Control Does
Recommended Starting Settings
Safe starting positions for any style. Adjust from here based on your amp and room.
All values on a 0–10 scale. These are starting points — fine-tune by ear.
Settings by Genre
Maximum Gain with elevated Treble and Presence — the Fireball's tight low end means high Bass doesn't bloom into mud. Treble and Presence at 8 produce the aggressive, cutting top-end that defines thrash rhythm guitar. The ENGL's tight low end suits down-picked thrash riffing far better than a scooped, saggy Mesa.
Slightly more Mid presence for power metal where guitar melodies need to sing over keyboards and orchestral arrangements. Balanced EQ with high Gain produces the sound popular with European power metal bands — aggressive but melodic, with note separation in fast scalar passages.
Full Gain, Bass elevated, Mid scooped — the extreme metal approach. The Fireball's inherent tightness prevents the bass bloat that causes other amps to lose clarity at max Gain. The result is heavy and aggressive without becoming a muddy wall.
Gain pulled back to 6 reveals the Fireball's dynamic range — it transitions from distorted to cleaner as picking intensity changes, making it useful for hard rock where some dynamic variation between rhythm and lead is desired.
Channel 1 (Clean) — the Fireball's clean is tighter and less colored than a Fender clean. Not its strength, but usable for rhythm chord work before engaging the lead channel via footswitch. Mid at 7 gives clean chord voicings presence in a metal mix.
Artist Settings
Documented settings used by professional guitarists on this unit.
Tremonti has used ENGL amps and the Fireball is in the ENGL family he's endorsed. His tone combines the ENGL's tight low-end with enough Presence to cut through Alter Bridge's heavy arrangements. The tight, defined character suits his precise rhythm and melodic lead style.
Tips & Common Mistakes
- The Fireball 100's tightness is partly a result of its German engineering philosophy — fixed-bias operation and quality components produce a more consistent, less sag-prone response than vintage-style American amps. This makes it excellent for precision metal but less suited for blues where sag is desirable.
- Pairing the Fireball with a Mesa Oversized Rectifier cabinet or a Zilla 2x12 with Vintage 30s brings warmth to its naturally bright character. The amp's top-end can feel harsh through a bright Celestion G12T-75 cabinet.
- The Fireball 100 is available as the Fireball E (Engl, slightly different voicing) and various watt-reduced versions. The 25W Fireball E is often preferred for recording as it reaches its sweet spot at lower master volume settings.
FAQ
ENGL Fireball 100 — Common Questions
Best starting settings for ENGL Fireball 100: Gain at 7/10, Bass at 6/10, Mid at 5/10, Treble at 7/10, Presence at 7/10, Master at 5/10. Adjust from there based on your guitar, room, and playing style.
For Thrash Metal: Gain 9/10, Bass 6/10, Mid 4/10, Treble 8/10, Presence 8/10, Master 5/10. Maximum Gain with elevated Treble and Presence — the Fireball's tight low end means high Bass doesn't bloom into mud. Treble and Presence at 8 produce the aggressive, cutting top-end that defines thrash rhythm guitar. The ENGL's tight low end suits down-picked thrash riffing far better than a scooped, saggy Mesa.
For Power Metal / Prog: Gain 8/10, Bass 5/10, Mid 6/10, Treble 7/10, Presence 7/10, Master 5/10. Slightly more Mid presence for power metal where guitar melodies need to sing over keyboards and orchestral arrangements. Balanced EQ with high Gain produces the sound popular with European power metal bands — aggressive but melodic, with note separation in fast scalar passages.
Gain: Amount of preamp gain / distortion (None to Full). Bass: Low-frequency EQ (Thin to Thick). Mid: Mid-range presence (Scooped to Forward). Treble: High-frequency EQ (Dark to Bright). Presence: Power amp brightness and edge (Smooth to Bright). Master: Master output volume (Off to Loud)
The Fireball 100's tightness is partly a result of its German engineering philosophy — fixed-bias operation and quality components produce a more consistent, less sag-prone response than vintage-style American amps. This makes it excellent for precision metal but less suited for blues where sag is desirable. Pairing the Fireball with a Mesa Oversized Rectifier cabinet or a Zilla 2x12 with Vintage 30s brings warmth to its naturally bright character. The amp's top-end can feel harsh through a bright Celestion G12T-75 cabinet. The Fireball 100 is available as the Fireball E (Engl, slightly different voicing) and various watt-reduced versions. The 25W Fireball E is often preferred for recording as it reaches its sweet spot at lower master volume settings.
Mark Tremonti (Alter Bridge) settings: Gain 9/10, Bass 6/10, Mid 5/10, Treble 7/10, Presence 8/10, Master 5/10. Tremonti has used ENGL amps and the Fireball is in the ENGL family he's endorsed. His tone combines the ENGL's tight low-end with enough Presence to cut through Alter Bridge's heavy arrangements. The tight, defined character suits his precise rhythm and melodic lead style.
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