Positive Grid Spark 40 Smart Guitar Amplifier settings
Crazy Train settings for Positive Grid Spark 40 Smart Guitar Amplifier
Ozzy Osbourne · adapted 5 times on ToneAdapt
To get the Ozzy Osbourne "Crazy Train" riff tone on a Positive Grid Spark 40 Smart Guitar Amplifier, select the British Lead (Marshall JCM900) preset, then set Gain 6.5, Bass 5, Mid 7, Treble 6, Reverb 0, Amp type selector 0. Use the bridge pickup with your guitar's tone on 10 and volume on 10.
Riff settings
Adapted for a Epiphone Les Paul Custom · updated 2026-10-11
- Preset / mode
- British Lead (Marshall JCM900)
- Pickup
- Bridge pickup
- Guitar knobs
- Tone 10 · Volume 10
Positive Grid Spark 40 Smart Guitar Amplifier knobs
- Gain
- 6.5
- Bass
- 5
- Mid
- 7
- Treble
- 6
- Reverb
- 0
- Amp type selector
- 0
Playing tips
- Focus on tight palm muting for a punchy attack.
- Use aggressive picking to enhance articulation.
- Experiment with slight volume roll-off for dynamic control.
The original rig
What Ozzy Osbourne used on the recording, for reference. ToneAdapt translates this to the controls your Positive Grid Spark 40 Smart Guitar Amplifier actually has.
- Guitar
- 1974 Gibson Les Paul Custom
- Amp
- 1975-76 Marshall JMP 1959 Super Lead MKII 100-watt head into Marshall 1960A/B 4x12 cabs with Altec 417-8H speakers
- Gain
- 6.5
- Bass
- 3.5
- Mid
- 6
- Treble
- 7
- Presence
- 5.5
- Reverb
- 0.5
Different guitar or pedals? Get Crazy Train adapted to your exact rig
These settings were generated for the gear named above. ToneAdapt adapts Ozzy Osbourne's tone to your own guitar, pickups, amp and pedals in seconds.
Frequently asked questions
What preset should I use on the Positive Grid Spark 40 Smart Guitar Amplifier for Crazy Train?
Start from the British Lead (Marshall JCM900) preset, then set Gain 6.5, Bass 5, Mid 7, Treble 6, Reverb 0, Amp type selector 0.
Which pickup should I use for Crazy Train?
Bridge pickup, with the guitar's tone at 10 and volume at 10.
What gear did Ozzy Osbourne use on Crazy Train?
Guitar: 1974 Gibson Les Paul Custom. Amp: 1975-76 Marshall JMP 1959 Super Lead MKII 100-watt head into Marshall 1960A/B 4x12 cabs with Altec 417-8H speakers.
Will these settings work with my guitar?
These settings were adapted for a Epiphone Les Paul Custom. Different pickups change how much gain and treble you need. ToneAdapt adapts the tone to your exact guitar, pickups, amp and pedals.
Crazy Train on other amps
- Crazy Train on Fender Mustang LT25 · 311
- Crazy Train on Boss Katana · 231
- Crazy Train on Fender Frontman 10G · 74
- Crazy Train on Line 6 Helix Floor / LT / Rack · 72
- Crazy Train on Neural DSP Quad Cortex · 67
- Crazy Train on Boss GT-1000 · 61
- Crazy Train on Line 6 Spider · 53
- Crazy Train on Positive Grid Spark · 53
Popular songs on the Positive Grid Spark 40 Smart Guitar Amplifier
- Master of Puppets · Metallica
- Walk · Pantera
- Sweet Child O' Mine · Guns N' Roses
- Holy Wars · Megadeth
- Enter Sandman · Metallica
- Smells Like Teen Spirit · Nirvana
- Black Hole Sun · Soundgarden
- Raining Blood · Slayer
- Even Flow · Pearl Jam
- Stairway to Heaven · Led Zeppelin
Settings are generated by ToneAdapt's tone adaptation for the gear named on this page and are a starting point — every amp, guitar and room is a little different.