The ENGL E633 Fireball 25 is an Engl amplifier, currently around $868.69. Close alternatives include the Fryette Deliverance 120H II and the Fryette Pittbull Ultra-Lead II. It pairs well with the Electro-Harmonix 1973 Violet Ram's Head Big Muff Pi V2 and the Boss DS-2 Turbo Distortion.

ENGL E633 Fireball 25

Engl · amplifier

The ENGL E633 Fireball 100 is a 100-watt all-tube 2-channel guitar amplifier head from ENGL Amplification, Germany. Two channels — Clean and Lead — deliver ENGL characteristic tight, aggressive high-gain saturation at 100W stage output. The Fireball is one of ENGL core metal and hard rock platforms, known for its extremely tight low-end response, note clarity at high gain, and aggressive attack. The 100W version extends the Fireball voicing to full stage wattage.

What stands out

  • “The Fireball is one of ENGL core metal and hard rock platforms, known for its extremely tight low-end response, note clarity at high gain, and aggressive attack”

    — from the listing

  • “Players praise the extreme tightness and note definition on the Lead channel — the Fireball low-end is famously controlled and punchy, refusing to become loose or muddy even at high gain”

    — from the community notes

  • “Two channels — Clean and Lead — deliver ENGL characteristic tight, aggressive high-gain saturation at 100W stage output”

    — from the listing

  • “The clean channel is functional and precise”

    — from the community notes

  • “At 100W the amp maintains power stage composure at any stage volume”

    — from the reviews

  • high gain
  • low end
  • lead
  • aggressive
  • clean
  • tightness
  • stage
  • tight

Good for

  • Live
  • Studio
$868.69View on Reverb

Price updated Oct 23, 2026

Genres the ENGL E633 Fireball 25 is commonly used in

  • Metal
  • Hard Rock
  • Heavy Metal
    citedInferred from shared tonal signals, not a stated genre tag.
  • Djent
    citedInferred from shared tonal signals, not a stated genre tag.
  • Death Metal
    citedInferred from shared tonal signals, not a stated genre tag.
  • Metalcore
    citedInferred from shared tonal signals, not a stated genre tag.

Pedals that stack with the ENGL E633 Fireball 25

Electro-Harmonix 1973 Violet Ram's Head Big Muff Pi V2

Electro-Harmonix

23% match
$114.30via Reverb

fills a frequency gapFills in a frequency range the other side doesn't cover, instead of piling more onto what's already there. (transparent → mid-forward)

Into a transparent tone, Electro-Harmonix 1973 Violet Ram's Head Big Muff Pi V2 brings a pull toward mid-forward that's missing

Goes in front of the amp

Boss DS-2 Turbo Distortion

Boss

22% match
$89.47via Reverb

fills a frequency gapFills in a frequency range the other side doesn't cover, instead of piling more onto what's already there. (transparent → mid-forward)

The transparent tone has headroom to spare — Boss DS-2 Turbo Distortion leans it toward mid-forward to fill it in

Goes in front of the amp

Klon KTR

Klon

22% match

clean platform takes the driveA clean, high-headroom stage takes on dirt it can't generate by itself. (transparent → medium gain)

Run Klon KTR into that transparent platform and it finally leans toward medium gain

Goes in front of the amp

Maestro Orbit

Maestro

18% match
$57.99via Reverb

sits in the right chain slotPlaced for where it does its job cleanly in the chain, not for a tonal interaction with the anchor.

Put Maestro Orbit after ENGL E633 Fireball 25 in the signal chain, clear of ENGL E633 Fireball 25's own gain stage

Goes in front of the amp

Xotic SP Compressor

Xotic

12% match
$147via Reverb

fills a frequency gapFills in a frequency range the other side doesn't cover, instead of piling more onto what's already there. (transparent → mid-forward)

Xotic SP Compressor leans toward smooth, and that's a real, usable character to pair with

Goes in front of the amp

Fender Hammertone Reverb

Fender

11% match
$85.19via Reverb

sits in the right chain slotPlaced for where it does its job cleanly in the chain, not for a tonal interaction with the anchor.

Keep Fender Hammertone Reverb in ENGL E633 Fireball 25's effects loop, clear of ENGL E633 Fireball 25's own gain stage — goes in the amp's FX loop (or last, into a clean amp)

Sits in the amp's effects loop

Strymon BigSky

Strymon

10% match
$679via Reverb

sits in the right chain slotPlaced for where it does its job cleanly in the chain, not for a tonal interaction with the anchor. (high gain → ambient)

Strymon BigSky's ambient voice goes in ENGL E633 Fireball 25's effects loop — it's not there to compete with ENGL E633 Fireball 25's own high gain character — goes in the amp's FX loop (or last, into a clean amp)

Sits in the amp's effects loop

Cry Baby Dunlop Cry Baby 535Q Multi-Wah

Cry Baby

tonal match

Goes in front of the amp

Cry Baby Dunlop Cry Baby 535Q Multi-Wah belongs in front of ENGL E633 Fireball 25, since a wah tracks picking dynamics best on the raw signal

Boutique & premium upgrades

Engl Powerball II

Engl

61% similarity
$2800via Reverb

Shared character: lead, stage volumes, metal

ENGL E630II Savage 60 Custom Shop Head

Engl

57% similarity
$1723.42via Reverb

Shared character: lead channel, two channels, metal

Diezel VH-2 100 Watt Head

Diezel

54% similarity
$2999.99via Reverb

Shared character: lead channel, stage volumes, two channels

Revv Dynamis D40 2-Channel 40W Head

Revv

52% similarity
$1892.76via Reverb

Shared character: headroom, clarity, aggressive playing

Suhr Hedgehog 50 Watt Head

Suhr

52% similarity
$3099via Reverb

Shared character: metal, clarity, aggressive playing

Mesa/Boogie Triple Rectifier

Mesa Boogie

51% similarity
$1250via Reverb

Shared character: two channels, metal, headroom

Similar charactersee all similar tone character →

Fryette Deliverance 120H II

Fryette

67% similarity

Shared character: clarity, two channels, punchy

Fryette Pittbull Ultra-Lead II

Fryette

60% similarity

Shared character: punchy, headroom, response

Fryette Deliverance II

Fryette

60% similarity

Shared character: high gain settings, low end control, punchy

Mesa/Boogie Badlander

Mesa Boogie

58% similarity

Shared character: punchy, metal, response

Engl 120 E610 MK II

Engl

56% similarity

Shared character: lead channel, hard rock, response

Friedman RUNT-50

Friedman

52% similarity

Shared character: aggressive playing, high gain settings, full

See all alternatives to the ENGL E633 Fireball 25 (cheaper + boutique) →

Questions people ask

What are good alternatives to the ENGL E633 Fireball 25?+

The closest matches in character are the Fryette Deliverance 120H II, the Fryette Pittbull Ultra-Lead II, the Fryette Deliverance II. Boutique upgrades: Engl Powerball II, ENGL E630II Savage 60 Custom Shop Head, Diezel VH-2 100 Watt Head.

What pairs well with the ENGL E633 Fireball 25?+

Strong matches from rig and tone-complementarity evidence: Electro-Harmonix 1973 Violet Ram's Head Big Muff Pi V2, Boss DS-2 Turbo Distortion, Klon KTR — Into a transparent tone, Electro-Harmonix 1973 Violet Ram's Head Big Muff Pi V2 brings a pull toward mid-forward that's missing.

How much does the ENGL E633 Fireball 25 cost?+

Around $868.69 (live listing price, updated Oct 23, 2026).

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