The Catalinbread Dirty Little Secret MKI is a Catalinbread overdrive pedal, currently around $152.96. Close alternatives include the J. Rockett Broverdrive and the Dunlop Way Huge WM31 Supa-Lead Overdrive. It pairs well with the Orange Matamp and the Laney LX20R.

Catalinbread Dirty Little Secret MKI

Catalinbread · pedal

The Catalinbread Dirty Little Secret mkI is the original version of the Portland boutique builder's Marshall-voiced foundation overdrive. The circuit models the tone and dynamic feel of a cranked vintage British Marshall amplifier, providing classic rock overdrive and crunch. It includes a three-band tone stack based on Marshall amplifier EQ and a mode switch to select between Super Lead and Super Bass voicings. The MkI is the earliest version of the DLS line, praised for its authentic British overdrive character in a compact pedal format. Used by blues, classic rock, and hard rock players.

What stands out

  • “The MkI is the earliest version of the DLS line, praised for its authentic British overdrive character in a compact pedal format”

    — from the listing

  • “The MkI is respected as the raw, original version of the DLS concept before subsequent refinements, with some players preferring its”

    — from the community notes

  • “The circuit models the tone and dynamic feel of a cranked vintage British Marshall amplifier, providing classic rock overdrive and crunch”

    — from the listing

  • “The Super Lead and Super Bass mode switch is genuinely useful, providing two distinctly voiced overdrive characters that suit different amplifier pairings”

    — from the reviews

  • “The original MkI circuit , which more critical listeners may notice as a slightly rougher top-end response at high gain settings”

    — from the reviews

  • overdrive
  • dynamic
  • classic rock
  • lead
  • british
  • more direct character
  • eq
  • hard rock

Price updated Oct 24, 2026

Genres the Catalinbread Dirty Little Secret MKI is commonly used in

Amps that pair well with the Catalinbread Dirty Little Secret MKI

Orange Matamp

Orange

38% 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)

Run Catalinbread Dirty Little Secret MKI after it and the warm edge settles into something more bright

Comes later in the signal chain

Laney LX20R

Laney

38% match
$146.73via Reverb

The Dirty Little Secret's dynamic, EQ'd overdrive pushes the LX20R's bedroom-level drive into genuine classic-rock crunch.

Comes later in the signal chain

3rd Power Dragon 25 112 Combo

3rd Power

36% match

shapes the dynamic responseShapes how the tone responds to picking dynamics rather than its frequency or gain. (dynamic → compressed)

Into the Dragon 25's controllable Plexi-style sag, the Dirty Little Secret's British-voiced crunch has real amp saturation to dig into.

Comes later in the signal chain

Park P50 Classic

Park

36% match

shapes the dynamic responseShapes how the tone responds to picking dynamics rather than its frequency or gain. (dynamic → compressed)

Into a dynamic tone, Park P50 Classic brings a pull toward compressed that's missing

Comes later in the signal chain

Marshall Super Lead 100-Watt Head

amplifier

34% match

Marshall Super Lead 100-Watt Head's dynamic character and Catalinbread Dirty Little Secret MKI's dynamic voice sit in the same lane rather than fighting each other

Comes later in the signal chain

Hiwatt HB410HN

Hiwatt

33% match

Hiwatt HB410HN leans into Marshall-style amps, precisely the platform Catalinbread Dirty Little Secret MKI wants

Comes later in the signal chain

Hiwatt HB210HN

Hiwatt

32% match

Catalinbread Dirty Little Secret MKI is voiced for Marshall-style amps — Hiwatt HB210HN gives it exactly that

Comes later in the signal chain

Orange Rockerverb 50 MkIII Neo Combo

Orange

32% match
$2876.43via Reverb

Catalinbread Dirty Little Secret MKI is voiced for Marshall-style amps — Orange Rockerverb 50 MkIII Neo Combo gives it exactly that

Comes later in the signal chain

See all 27 amps that pair with the Catalinbread Dirty Little Secret MKI →

Pedals that stack with the Catalinbread Dirty Little Secret MKI

T-Rex Comp-Nova

T Rex

22% match
$55.80via Reverb

shapes the dynamic responseShapes how the tone responds to picking dynamics rather than its frequency or gain. (dynamic → compressed)

Both lean toward dynamic and compressed respectively — close enough in character that they complement instead of clashing

Comes earlier in the signal chain

Dunlop MXR Distortion Plus

Dunlop

20% match

shapes the dynamic responseShapes how the tone responds to picking dynamics rather than its frequency or gain. (dynamic → compressed)

Into a dynamic tone, Dunlop MXR Distortion Plus brings a pull toward compressed that's missing

Comes later in the signal chain

JAM Pedals Tubedreamer

Jam Pedals

20% match

shapes the dynamic responseShapes how the tone responds to picking dynamics rather than its frequency or gain. (dynamic → compressed)

JAM Pedals Tubedreamer leans this dynamic tone toward compressed, which it doesn't make on its own

Comes later in the signal chain

MXR Phase 90

MXR

14% match
$89.99via 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.

Run the Phase 90's classic sweep after the DLS MKI's dynamic, bluesy lead crunch and the modulation has real body to color.

Comes later in the signal chain

Keeley Halo

Keeley

11% match
$249via 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 Keeley Halo after Catalinbread Dirty Little Secret MKI in the signal chain, clear of Catalinbread Dirty Little Secret MKI's own gain stage — goes in the amp's FX loop (or last, into a clean amp)

Comes later in the signal chain

Electro-Harmonix Canyon

Electro-Harmonix

10% 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.

Run Electro-Harmonix Canyon after Catalinbread Dirty Little Secret MKI in the signal chain, clear of Catalinbread Dirty Little Secret MKI's own gain stage — goes in the amp's FX loop (or last, into a clean amp)

Comes later in the signal chain

NuX Masamune Booster & Kompressor

Nux

tonal match
$115.07via Reverb

Comes earlier in the signal chain

NuX Masamune Booster & Kompressor leans this dynamic tone toward compressed, which it doesn't make on its own

JHS Pedals JHS Pulp N Peel V4

JHS Pedals

tonal match
$229via Reverb

Comes later in the signal chain

Into a dynamic tone, JHS Pedals JHS Pulp N Peel V4 brings a pull toward compressed that's missing

Cheaper alternatives

Boutique & premium upgrades

Similar charactersee all similar tone character →

See all alternatives to the Catalinbread Dirty Little Secret MKI (cheaper + boutique) →

Questions people ask

What are good alternatives to the Catalinbread Dirty Little Secret MKI?+

The closest matches in character are the J. Rockett Broverdrive, the Dunlop Way Huge WM31 Supa-Lead Overdrive, the Electronic Audio Experiments Longsword. Budget picks: Tone City TC-T38 Metal Storm classic British-style high, Black Country Customs Monolith, Dunlop MXR M77 Custom Modified Badass OD. Boutique upgrades: Dunlop MXR Jail Guitar Doors Overdrive JGD2, Friedman IR-J Jake E. Lee Preamp, Greer Amps Royal Velvet.

What pairs well with the Catalinbread Dirty Little Secret MKI?+

Strong matches from rig and tone-complementarity evidence: Orange Matamp, Laney LX20R, 3rd Power Dragon 25 112 Combo — Run Catalinbread Dirty Little Secret MKI after it and the warm edge settles into something more bright.

How much does the Catalinbread Dirty Little Secret MKI cost?+

Around $152.96 (live listing price, updated Oct 24, 2026).

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