Rockville G-AMP 20 settings
Crazy Train settings for Rockville G-AMP 20
Ozzy Osbourne · adapted 5 times on ToneAdapt
To get the Ozzy Osbourne "Crazy Train" riff tone on a Rockville G-AMP 20, set Gain 6.5, Bass 3, Mid 6, Treble 7, Delay 0, Master volume 6. Use the bridge pickup with your guitar's tone on 10 and volume on 10.
Riff settings
updated 2026-10-02
- Pickup
- Bridge pickup
- Guitar knobs
- Tone 10 · Volume 10
Rockville G-AMP 20 knobs
- Gain
- 6.5
- Bass
- 3
- Mid
- 6
- Treble
- 7
- Delay
- 0
- Master volume
- 6
Playing tips
- Focus on tight palm muting for percussive attack.
- Use aggressive picking to enhance note articulation.
- Maintain a steady rhythm to keep the riff punchy.
The original rig
What Ozzy Osbourne used on the recording, for reference. ToneAdapt translates this to the controls your Rockville G-AMP 20 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 are the best Rockville G-AMP 20 settings for Crazy Train?
Set Gain 6.5, Bass 3, Mid 6, Treble 7, Delay 0, Master volume 6.
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 Rockville G-AMP 20
- Master of Puppets · Metallica
- Enter Sandman · Metallica
- Walk · Pantera
- Sweet Child O' Mine · Guns N' Roses
- Creep · Radiohead
- Hotel California · Eagles
- Raining Blood · Slayer
- Do I Wanna Know? · Arctic Monkeys
- Smells Like Teen Spirit · Nirvana
- 1979 · The Smashing Pumpkins
- Stairway to Heaven · Led Zeppelin
- The Thrill is Gone · B.B. King
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.