No. 2081981·metal·6 blocks

Diary of a Madman

The most ambitious thing Rhoads recorded, and a tone that has to work clean and savage inside the same take. Producer Max Norman remembers him using the polka-dot guitar on essentially all the album's guitar tracks, into a 100-watt Marshall Super Lead with an MXR Distortion+ and a 10-band EQ pushing the midrange. There is no channel switch anywhere in that chain, so the classical-flavoured arpeggios and the tritone riff are the same amp with the guitar's volume doing the work.

Diary of a Madman coverDiary of a Madman
Settings for
Signal path · input → output · 9 blocksLive values · Line 6 Helix
Guitar
Karl Sandoval polka-dot Flying V (1979)
Pickups
HH
Tuning
bridge
Strings
standard
Deluxe Comp
Top Secret OD
10 Band Graphic EQ
Brit Plexi Brt
4x12 Greenback 25
70s Chorus
Simple Delay
Hall
Deluxe Comp
← Studio compression
Dynamics
Threshold
-26dB
Ratio
2.5:1
Knee
5dB
Attack
16ms
Release
180ms
Mix
35
Level
0dB
Top Secret OD
← MXR Distortion+
Distortion
Drive
4
Gain
4
Tone
5.5
Level
7
10 Band Graphic EQ
← MXR 10-Band Graphic EQ
EQ
500Hz
3
1kHz
4
2kHz
3
Level
2
Brit Plexi Brt
← Marshall 1959 Super Lead 100W
Amp
Drive
7.5
Bass
5
Mid
6
Treble
7
Presence
6
ChVol
6
Master
10
Bias
5.5
BiasX
5.5
Sag
5.5
Hum
4
Ripple
4
4x12 Greenback 25
← Marshall 1960A/1960B 4x12 (white)
Cab
LowCut100Hz
HighCut6000Hz
Resonance
6
Level
0dB
Pan
0.5
Delay
0
70s Chorus
← MXR Stereo Chorus
Modulation
Rate
0.5Hz
Depth
30
Mix
30
Level
0
Simple Delay
← Korg echo / AMS DMX digital delay
Delay
LowCut250Hz
HighCut4500Hz
Time
380ms
Feedback
20
Mix
15
Level
0
Hall
← Ridge Farm studio ambience
Reverb
LowCut220Hz
HighCut6500Hz
Mix
18
Decay
1.8s
Predelay
25ms
Level
0

What we checked

Computed by a program, on this recipe, every time this page is built. How this works

Preset files — 0 of 3 complete
  • Helix 1 block missing from the file
    Which ones

    Not in the file: 10 Band Graphic EQ. The recipe calls for this block, but we have no verified model ID for it on this platform, so the preset is written without it. Add it by hand using the settings above.

  • Quad Cortex 6 blocks replaced with a stand-in model
    Which ones

    Replaced with a stand-in: Studio Comp, Rat Dist, Plexi 100, 4x12 Greenback, Chorus, Hall Reverb. These load cleanly but are not the model named above — the file will sound wrong here until we map them. Set these blocks by hand.

  • Katana 2 blocks missing from the file; 5 blocks replaced with a stand-in model
    Which ones

    Not in the file: Delay, Reverb. The recipe calls for these blocks, but we have no verified model ID for them on this platform, so the preset is written without them. Add them by hand using the settings above.

    Replaced with a stand-in: Crunch, Booster, FX, Delay, Reverb. These load cleanly but are not the model named above — the file will sound wrong here until we map them. Set these blocks by hand.

Helix DSP
67.3% of one chip — fits
Sources
4 cited, 2 from publications that do original gear reporting
Attribution
Not yet rated — This recipe predates the attribution-confidence field and hasn't been reviewed for it.
What we didn't check
  • Nobody played this through a real amp. There is no human listening test behind any number on this page.
  • The settings are reasoned from the sources below, not measured off the record.
  • No audio has been rendered for this recipe yet, so you cannot hear it before you load it.
  • 3 platforms on this page (TONEX, Kemper, Fractal) get a model pointer, not a preset file — nothing was built or checked for them.
The mic in this chain

Shure SM57

Still made, still the studio default. The cheapest part of this chain to get right.

Affiliate links — we may earn a commission at no extra cost to you, and as an Amazon Associate we earn from qualifying purchases. The mic is listed because the chain uses it, not because anyone paid for the placement.

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