The J. Rockett Mark Sampson Max is a J Rockett overdrive pedal, currently around $172. Close alternatives include the Ibanez Tube King TK999OD Overdrive and the Fender MTG LA Tube Distortion. It pairs well with the Peavey MiniMAX and the Hiwatt Custom DR20H.

J. Rockett Mark Sampson Max

J Rockett · pedal

The J. Rockett Mark Sampson Max is a signature overdrive from J. Rockett Audio Designs (JRAD), developed in collaboration with Mark Sampson, co-founder of Matchless Amplifiers and Bad Cat Amplifiers whose tube amplifier designs have influenced boutique amp culture for decades. The Mark Sampson Max overdrive reflects Sampson tube amplifier design expertise in a compact pedal format, delivering warm, harmonically rich tube amp-inspired saturation with the boutique quality that Sampson brings from his amplifier work.

What stands out

  • “The Mark Sampson Max overdrive reflects Sampson tube amplifier design expertise in a compact pedal format, delivering warm, harmonically rich tube amp-inspired saturation with the boutique quality that Sampson brings from his amplifier work”

    — from the listing

  • “Used by boutique amp enthusiasts who want Sampson design expertise in a pedal format”

    — from the community notes

  • “Rockett Audio Designs (JRAD), developed in collaboration with Mark Sampson, co-founder of Matchless Amplifiers and Bad Cat Amplifiers whose tube amplifier designs have influenced boutique amp culture for decades”

    — from the listing

  • “Rockett Audio Designs, delivering warm, tube amp-inspired saturation that reflects Sampson boutique amplifier expertise”

    — from the community notes

  • “Best suited for boutique amp enthusiasts who want Sampson design expertise in a premium Nashville handmade overdrive format”

    — from the reviews

  • classic rock
  • saturation
  • overdrive
  • tube warmth
  • country
  • harmonically rich
  • warmth

Price updated Oct 24, 2026

Genres the J. Rockett Mark Sampson Max is commonly used in

Amps that pair well with the J. Rockett Mark Sampson Max

Pedals that stack with the J. Rockett Mark Sampson Max

Browne Amplification Carbon

Browne Amplification

23% match
$339via Reverb

fills a frequency gapFills in a frequency range the other side doesn't cover, instead of piling more onto what's already there. (warm → bright)

Run Browne Amplification Carbon after it and the warm edge settles into something more bright

Xotic EP Booster

Xotic

22% match
$145.29via Reverb

fills a frequency gapFills in a frequency range the other side doesn't cover, instead of piling more onto what's already there. (warm → bright)

Xotic EP Booster's bright balances out the warm tone

Comes earlier in the signal chain

Roland Corp US LMB-3

Roland

17% match

fills a frequency gapFills in a frequency range the other side doesn't cover, instead of piling more onto what's already there. (warm → bright)

What Roland Corp US LMB-3 brings here leans toward bright — that's worth building a pairing around

Comes earlier in the signal chain

Maestro PS-1A Phase Shifter

Maestro

13% match
$180via 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.

Put Maestro PS-1A Phase Shifter after J. Rockett Mark Sampson Max in the signal chain, clear of J. Rockett Mark Sampson Max's own gain stage

Comes later in the signal chain

Chase Bliss Automatone CXM 1978

Chase Bliss Audio

9% 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.

Put Chase Bliss Automatone CXM 1978 after J. Rockett Mark Sampson Max in the signal chain, clear of J. Rockett Mark Sampson Max's own gain stage — goes in the amp's FX loop (or last, into a clean amp)

Comes later in the signal chain

Alexander Pedals History Lesson Vol. 2

Alexander Pedals

8% match
$100via 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.

Keep Alexander Pedals History Lesson Vol. 2 after J. Rockett Mark Sampson Max in the signal chain, clear of J. Rockett Mark Sampson Max's own gain stage — goes in the amp's FX loop (or last, into a clean amp)

Comes later in the signal chain

TC Electronic Spark Booster

TC Electronic

tonal match
$74.89via Reverb

Comes earlier in the signal chain

Stack TC Electronic Spark Booster on top and a saturated tone tightens toward clean boost

Boss GEB-7 Bass Graphic EQ

Roland

tonal match
$119.33via Reverb

Comes later in the signal chain

Where this leans warm, Boss GEB-7 Bass Graphic EQ answers back bright

Cheaper alternatives

Boutique & premium upgrades

Similar charactersee all similar tone character →

See all alternatives to the J. Rockett Mark Sampson Max (cheaper + boutique) →

Questions people ask

What are good alternatives to the J. Rockett Mark Sampson Max?+

The closest matches in character are the Ibanez Tube King TK999OD Overdrive, the Fender MTG LA Tube Distortion, the Empress Germ Drive. Budget picks: Electro-Harmonix Howitzer, Catalinbread Teaser Stallion, Behringer VT999 Vintage Tube Monster. Boutique upgrades: Lovepedal ProValve 2, Crazy Tube Circuits Orama.

What pairs well with the J. Rockett Mark Sampson Max?+

Strong matches from rig and tone-complementarity evidence: Peavey MiniMAX, Hiwatt Custom DR20H, Peavey MiniMAX II Bass Head — Feed a saturated signal into Peavey MiniMAX and it comes out closer to tight.

How much does the J. Rockett Mark Sampson Max cost?+

Around $172 (live listing price, updated Oct 24, 2026).

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