Researched rig70% confidence

Animal guitar tone

Def Leppard · Phil Collen and Steve Clark

Hysteria (Mercury/Bludgeon Riffola), 1987, produced by Robert John 'Mutt' Lange. Tempo 117 BPM in 4/4.

Polished, heavily compressed, chorused arena rock printed direct to tape: a solid-state headphone amp used as a DI and layered many times, with no cabinet and no microphone anywhere in the path.

On the record

The rig Def Leppard used

Researched from interviews, production write-ups and gear histories — not guessed.

Guitar

Jackson Soloist (bridge humbucker)

Amplifier

Tom Scholz Rockman X100, used as a direct DI. One unit for the whole song; the four-position Voice selector (CLN1, CLN2, EDGE, DIST) is what changes between sections.

Cabinet

None - the Rockman is a direct DI and no cabinet was used

Microphone

None - direct DI, so there is no microphone and no cabinet on this recording

Signal flow

Signal chain

The order the original sound was built in. The exact settings get dialled for your own amp or modeller when you generate the tone.

  1. Jackson Soloist (bridge humbucker)

    1
    guitar
  2. Rockman X100 internal compressor

    2
    comp
  3. Tom Scholz Rockman X100 (direct DI)

    3
    amp
  4. Rockman X100 stereo chorus

    4
    mod
  5. Rockman X100 stereo echo

    5
    delay
  6. AMS RMX16

    6
    reverb

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Evidence

Why we think this is right

The Hysteria guitar sound is famously built on Tom Scholz's Rockman X100 headphone amp used as a direct DI: Mutt Lange and the band layered many Rockman tracks to get the glossy, compressed, chorused signature tone with no traditional cab or mic. 'Animal', the first song written for the album, shows it clearly - a chorused clean arpeggio verse opening into a big distorted chorus and a short lead. The stored record had the right blocks, no control values at all and two sections that bound nothing. The work here is parameters and binding. The X100's front panel is verified from its manual, which is what makes the section structure defensible: the unit has no EQ, so the only thing that can change between a clean verse and a distorted chorus is the four-position Voice selector, and that is what the amp_channel field now carries using the unit's own labels. The compressor and the chorus are genuinely always on - the compressor cannot even be switched off - and are documented as such. The echo is the one block with a real per-section decision and it is bound off for the tight arpeggiated verse and pre-chorus.

Sources

  • https://www.jimdunlop.com/content/manuals/MX100.pdf
  • https://www.manualslib.com/manual/1088945/Rockman-X100.html
  • https://en.wikipedia.org/wiki/Animal_(Def_Leppard_song)
  • https://en.wikipedia.org/wiki/Hysteria_(Def_Leppard_album)
  • https://sfrbeats.com/tools/bpm/def-leppard/animal
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