The Maxon SD-9 Sonic Distortion is a Maxon distortion pedal, currently around $162.08. Close alternatives include the Sonicake Rude Mouse Distortion and the Black Arts Toneworks Dual Revelation Custom. It pairs well with the Fender Vibrolux 6G11 and the Magnatone Twilighter Stereo 22W Head.

Maxon SD-9 Sonic Distortion

Maxon · pedal

The Maxon SD-9 Sonic Distortion is an iconic vintage Japanese distortion pedal from Maxon, known for its unique, raw, and slightly acidic distortion character that crosses the line between distortion and fuzz. The SD-9 was used by Kurt Cobain of Nirvana as his primary distortion pedal, and its distinctive, slightly ragged harmonic character became associated with the Nevermind-era grunge sound. The circuit produces aggressive, cutting, raw distortion with a character that no other distortion fully replicates.

What stands out

  • “The circuit produces aggressive, cutting, raw distortion with a character that”

    — from the listing

  • “The SD-9 was used by Kurt Cobain of Nirvana as his primary distortion pedal, and its distinctive, slightly ragged harmonic character became associated with the Nevermind-era grunge sound”

    — from the listing

  • “The Maxon SD-9 Sonic Distortion is an iconic vintage Japanese distortion pedal from Maxon, known for its unique, raw, and slightly acidic distortion character that crosses the line between distortion and fuzz”

    — from the listing

  • “The pedal is effective beyond the grunge context; its raw, aggressive character suits alternative rock, punk, and experimental playing”

    — from the community notes

  • “Maxon Japanese construction is reliable”

    — from the community notes

  • distortion
  • grunge
  • raw
  • fuzz
  • aggressive
  • rock
  • harmonic
  • sd 9 character
$162.08View on Reverb

Price updated Oct 24, 2026

Genres the Maxon SD-9 Sonic Distortion is commonly used in

  • Grunge
  • Punk
  • Experimental
  • Alternative Rock
  • Rock
  • Garage Rock
    citedInferred from shared tonal signals, not a stated genre tag.

Amps that pair well with the Maxon SD-9 Sonic Distortion

Fender Vibrolux 6G11

amplifier

24% match

sits in the right chain slotPlaced for where it does its job cleanly in the chain, not for a tonal interaction with the anchor. (fuzzy → modulated)

Fender Vibrolux 6G11 stacks modulated on top of the fuzzy already here

Comes later in the signal chain

Magnatone Twilighter Stereo 22W Head

Magnatone

20% match

sits in the right chain slotPlaced for where it does its job cleanly in the chain, not for a tonal interaction with the anchor. (fuzzy → modulated)

Magnatone Twilighter Stereo 22W Head layers modulated onto an already fuzzy signal

Comes later in the signal chain

Gibson Les Paul LP-1 Preamp

Gibson

tonal match

Comes later in the signal chain

Run fuzzy into Gibson Les Paul LP-1 Preamp for more modulated on top

Magnatone 510

Magnatone

tonal match

Comes later in the signal chain

Run fuzzy into Magnatone 510 for more modulated on top

Pedals that stack with the Maxon SD-9 Sonic Distortion

Cordovox PH-8

Cordovox

23% match
$69.99via Reverb

sits in the right chain slotPlaced for where it does its job cleanly in the chain, not for a tonal interaction with the anchor. (fuzzy → modulated)

Cordovox PH-8's modulated voice goes after Maxon SD-9 Sonic Distortion in the signal chain — it's not there to compete with Maxon SD-9 Sonic Distortion's own gritty character

Comes later in the signal chain

Walrus Audio Ages

Walrus Audio

21% match
$199via Reverb

gain stackingStacks two gain stages for more saturation than either produces alone. (fuzzy → clean boost)

Walrus Audio Ages layers clean boost onto an already fuzzy signal

Comes earlier in the signal chain

Fender Blender

Fender

21% match
$284.16via Reverb

sits in the right chain slotPlaced for where it does its job cleanly in the chain, not for a tonal interaction with the anchor. (fuzzy → octave)

Run fuzzy into Fender Blender for more octave on top

Comes later in the signal chain

Electro-Harmonix Memory Boy Analog Delay

Electro-Harmonix

14% match
$104.54via Reverb

sits in the right chain slotPlaced for where it does its job cleanly in the chain, not for a tonal interaction with the anchor. (fuzzy → modulated)

Electro-Harmonix Memory Boy Analog Delay's analog warmth voice goes after Maxon SD-9 Sonic Distortion in the signal chain — it's not there to compete with Maxon SD-9 Sonic Distortion's own gritty character — goes in the amp's FX loop (or last, into a clean amp)

Comes later in the signal chain

Electro-Harmonix Deluxe Memory Man

Electro-Harmonix

14% match
$171.62via Reverb

sits in the right chain slotPlaced for where it does its job cleanly in the chain, not for a tonal interaction with the anchor. (fuzzy → modulated)

Keep Electro-Harmonix Deluxe Memory Man after Maxon SD-9 Sonic Distortion in the signal chain, clear of Maxon SD-9 Sonic Distortion's own gain stage — goes in the amp's FX loop (or last, into a clean amp)

Comes later in the signal chain

Chase Bliss Clean

Chase Bliss Audio

13% match

sits in the right chain slotPlaced for where it does its job cleanly in the chain, not for a tonal interaction with the anchor. (fuzzy → modulated)

What Chase Bliss Clean brings here leans toward modulated — that's worth building a pairing around

Comes earlier in the signal chain

CMATMods Tremoglo

Cmatmods

tonal match
$140.46via Reverb

Comes later in the signal chain

CMATMods Tremoglo belongs after Maxon SD-9 Sonic Distortion, since modulation sits after the gain for a defined swirl

Matthews Effects The Pocket Drive Overdrive Boost

Matthews Effects

tonal match
$105via Reverb

Comes earlier in the signal chain

Put Matthews Effects The Pocket Drive Overdrive Boost in front and the fuzzy tone leans further toward clean boost

Cheaper alternatives

ProCo Lil Rat

Proco

60% similarity
$88via Reverb

Shared character: fuzz, distortion, aggressive playing

Boss DS-2 Turbo Distortion

Boss

55% similarity
$89.28via Reverb

Shared character: kurt cobain, fuzz, alternative

ProCo RAT 2

Proco

54% similarity
$86via Reverb

Shared character: fuzz, alternative, distortion

Catalinbread CB-Distortion

Catalinbread

53% similarity
$88.99via Reverb

Shared character: circuit, distortion, aggressive playing

MXR Distortion+

MXR

51% similarity
$129.97via Reverb

Shared character: raw, distortion, aggressive playing

TC Electronic Fangs Metal Distortion

TC Electronic

50% similarity
$33.90via Reverb

Shared character: raw, distortion

Boutique & premium upgrades

JHS PackRat 9-Way Rodent Distortion

JHS Pedals

58% similarity
$249via Reverb

Shared character: alternative, distortion, aggressive playing

Universal Audio Uafx Anti 1992 High Gain Amp

Universal Audio

48% similarity
$299via Reverb

Shared character: aggressive playing

Similar charactersee all similar tone character →

Sonicake Rude Mouse Distortion

Sonicake

59% similarity

Shared character: fuzz, alternative, distortion

Black Arts Toneworks Dual Revelation Custom

Black Arts Toneworks

56% similarity

Shared character: raw, fuzz, distortion

EarthQuaker Devices EarthQuacker Devices "Acapulco Gold Limited V2

EarthQuaker Devices

56% similarity
$187.85via Reverb

Shared character: raw, fuzz, distortion

Dunlop MXR Jail Guitar Doors Overdrive JGD2

Dunlop

49% similarity
$199.99via Reverb

Shared character: raw, aggressive playing

JHS Angry Charlie

JHS Pedals

47% similarity

Shared character: distortion, aggressive playing

Wren and Cuff Eye See 78

Wren And Cuff

46% similarity
$196.75via Reverb

Shared character: raw, fuzz, aggressive playing

See all alternatives to the Maxon SD-9 Sonic Distortion (cheaper + boutique) →

Questions people ask

What are good alternatives to the Maxon SD-9 Sonic Distortion?+

The closest matches in character are the Sonicake Rude Mouse Distortion, the Black Arts Toneworks Dual Revelation Custom, the EarthQuaker Devices EarthQuacker Devices "Acapulco Gold Limited V2. Budget picks: ProCo Lil Rat, Boss DS-2 Turbo Distortion, ProCo RAT 2. Boutique upgrades: JHS PackRat 9-Way Rodent Distortion, Universal Audio Uafx Anti 1992 High Gain Amp.

What pairs well with the Maxon SD-9 Sonic Distortion?+

Strong matches from rig and tone-complementarity evidence: Fender Vibrolux 6G11, Magnatone Twilighter Stereo 22W Head, Gibson Les Paul LP-1 Preamp — Fender Vibrolux 6G11 stacks modulated on top of the fuzzy already here.

How much does the Maxon SD-9 Sonic Distortion cost?+

Around $162.08 (live listing price, updated Oct 24, 2026).

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