Positive Grid BIAS FX 2 settings
Crazy Train settings for Positive Grid BIAS FX 2
Ozzy Osbourne · adapted 3 times on ToneAdapt
To get the Ozzy Osbourne "Crazy Train" riff tone on a Positive Grid BIAS FX 2, use the British Lead 800 (Marshall JCM800) 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
Adapted for a ESP LTD Deluxe MH-1000 · updated 2026-07-05
- Amp model
- British Lead 800 (Marshall JCM800)
- 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
- 1distortionDistortion PlusOutput 10 · Distortion 4
- 2noise gateNoise GateRelease 3 · Threshold 5
Playing tips
- Focus on tight palm muting to achieve a percussive attack.
- Use aggressive picking to enhance the clarity and articulation of each note.
- Maintain a consistent rhythm to keep the riff tight and punchy.
The original rig
What Ozzy Osbourne used on the recording, for reference. ToneAdapt translates this to the controls your Positive Grid BIAS FX 2 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 Positive Grid BIAS FX 2 for Crazy Train?
Use the British Lead 800 (Marshall JCM800) (lead channel) with Drive 7, Master 7, Bass 2, Mid 6, Treble 7, Presence 5, followed by Distortion Plus, Noise Gate.
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 ESP LTD Deluxe MH-1000. 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 BIAS FX 2
- Master of Puppets · Metallica
- Sweet Child O' Mine · Guns N' Roses
- Walk · Pantera
- Enter Sandman · Metallica
- Holy Wars · Megadeth
- Raining Blood · Slayer
- Welcome to the Jungle · Guns N' Roses
- Hotel California · Eagles
- The Warrior · Orphaned Land
- Stairway to Heaven · Led Zeppelin
- Whole Lotta Love · Led Zeppelin
- Universe (Gravity For Hearts) · Helloween
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.