Tone library / Ozzy Osbourne / Crazy Train

Crazy Train amp settings — Flatsone 10

The Ozzy Osbourne guitar tone for “Crazy Train”, dialed in for a Flatsone 10 with a Squire Bullet. Studio version, Blizzard of Ozz (1980) - iconic main riff & rhythm tone

Original rig

1974 Gibson Les Paul Custom (bridge pickup) -> MXR Distortion + -> MXR 10-Band Graphic EQ (heavy 500Hz boost) -> mid-70s Marshall JMP 1959 Super Lead MKII 100W head into 4x12 cabs with Altec 417-8H speakers

Aggressive, mid-forward buzzsaw hard-rock crunch with bright upper harmonics and a tight low end
Amp settings — Flatsone 10
CHANNELOverdrive / Drive Switch Engaged
GAIN 8 BASS 5 TREBLE 7 MASTER 6
KnobSetting (0–10)
Gain8
Bass5
Treble7
Master6
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Guitar
PICKUPbridge TONE10 VOLUME10
Signal chain

01MXR Distortion +

RECOMMENDED — not currently owned. Essential for Randy's signature clipping buzz.

Output 8 · Distortion 7

02MXR 10-Band Graphic EQ

RECOMMENDED — not currently owned. Boost 500Hz-800Hz to dial in Randy's iconic mid-hump.

500Hz 9 · Gain 6
Why these settings

The Flatsone 10 is an unrecognized compact practice amp with basic 2-band EQ (no dedicated mid control or presence), so mid and presence are set to null while drive is pushed to 8 on the gain channel to deliver usable hard-rock saturation today. Single-coil pickups on the Squier Bullet are naturally brighter and thinner than Randy's Gibson Les Paul humbuckers, so keep the amp's bass at 5 to prevent harshness while maintaining bite with treble at 7. Adding an MXR Distortion + or TS-style overdrive pedal in front will instantly provide the true aggressive clipping character this small amp cannot achieve alone.

PRO TIPPick aggressively with a heavy gauge plectrum close to the bridge saddles; Randy's razor-sharp riff definition comes from intense right-hand attack and subtle palm-muting on the low F# and A strings.

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These settings are for a Flatsone 10. ToneAdapt matches any song to whatever amp, guitar and pedals you own — first match is free.

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