Tone library / Smashing pumpkins / Cherub rock

Cherub rock amp settings — Marshall JCM900

The Smashing pumpkins guitar tone for “Cherub rock”, dialed in for a Marshall JCM900 with a PRS SE Custom 22. Studio version, Siamese Dream (1993)

Original rig

Marshall JCM800 2203 (KT88 tubes), Fender Stratocaster with DiMarzio pickups, Electro-Harmonix Op-Amp Big Muff V4

Massive wall-of-fuzz sustain with compressed saturation and singing upper harmonics
Amp settings — Marshall JCM900
CHANNELClean channel, LOW sensitivity inputBRIGHToffBOOSToff
GAIN 2 BASS 5 MID 5 TREBLE 7 PRESENCE 6 REVERB 0 MASTER 8
KnobSetting (0–10)
Gain2
Bass5
Mid5
Treble7
Presence6
Reverb0
Master8
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Guitar
PICKUPbridge TONE8 VOLUME10
Signal chain

01Electro-Harmonix Big Muff Pi (Op-Amp or NYC)

RECOMMENDED — not currently owned. This pedal IS the tone; without it you cannot replicate the sound. The Op-Amp reissue or standard NYC Big Muff will get you there.

Volume 7 · Tone 6 · Sustain 9
Why these settings

Your JCM900 is close to the original JCM800 but has more preamp gain on tap. Corgan's technique relied on the Big Muff doing ALL the gain work while the amp stayed clean but loud—use the clean channel with gain at 2 to replicate this. Your PRS humbuckers are hotter and warmer than his Strat's DiMarzios, so treble is raised to 7 to recover the sizzle and mid stays flat rather than scooped.

PRO TIPPlug into the LOW sensitivity input on your JCM900 just like Corgan did—this reduces preamp headroom and lets the Big Muff's compression bloom without the amp adding its own clipping on top. The tone lives or dies by this routing choice.

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These settings are for a Marshall JCM900. ToneAdapt matches any song to whatever amp, guitar and pedals you own — first match is free.

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