HeadRush Flex Prime settings
Crazy Train settings for HeadRush Flex Prime
Ozzy Osbourne · adapted 3 times on ToneAdapt
To get the Ozzy Osbourne "Crazy Train" riff tone on a HeadRush Flex Prime, use the Hi Gain amp model on the lead channel, then set Drive 7, Master 7, Bass 2, Mid 6, Treble 7, Presence 5. Use the bridge pickup with your guitar's tone on 10 and volume on 10.
Riff settings
updated 2026-11-05
- Amp model
- Hi Gain
- Channel
- Lead
- Cab
- 4x12 Closed Back
- Pickup
- Bridge pickup
- Guitar knobs
- Tone 10 · Volume 10
Amp block
- Drive
- 7
- Master
- 7
- Bass
- 2
- Mid
- 6
- Treble
- 7
- Presence
- 5
- Original drive
- 7
Effects chain
- 1distortionMXR Distortion +Output 10 · Distortion 4
- 2noise gateNoise GateRelease 3 · Threshold 5
- 3boostOverdriveGain 2 · Tone 5 · Level 8
Playing tips
- Focus on tight palm muting for a percussive attack.
- Use aggressive picking to enhance the articulation of each note.
- Maintain a steady rhythm to keep the riff tight and defined.
The original rig
What Ozzy Osbourne used on the recording, for reference. ToneAdapt translates this to the controls your HeadRush Flex Prime 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 amp model should I use on the HeadRush Flex Prime for Crazy Train?
Use the Hi Gain (lead channel) with Drive 7, Master 7, Bass 2, Mid 6, Treble 7, Presence 5, followed by MXR Distortion +, Noise Gate, Overdrive.
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?
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 HeadRush Flex Prime
- Master of Puppets · Metallica
- Walk · Pantera
- Enter Sandman · Metallica
- Sweet Child O' Mine · Guns N' Roses
- Holy Wars · Megadeth
- Welcome to the Jungle · Guns N' Roses
- Back in Black · AC/DC
- Raining Blood · Slayer
- Iron Man · Black Sabbath
- Hotel California · Eagles
- Highway to Hell · AC/DC
- Layla · Derek and the Dominos
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.