The Guptech Slime Mid-Boost is a Guptech boost pedal. Close alternatives include the Suhr Koko Boost and the Fortin Amplification Grind. It pairs well with the Mesa Boogie Mark IIC+ Combo and the Soldano Astro-20 Head.

Guptech Slime Mid-Boost

Guptech · pedal

The Guptech Slime Mid-Boost is a single-band parametric EQ pedal from Guptech, a Quebec-based boutique pedal manufacturer, designed specifically to boost and sculpt midrange frequencies. Built for players wanting a focused midrange push to cut through a mix, add lead-boost character, or shape their tone's core frequency presence, it offers precise parametric control over a single targeted frequency band.

What stands out

  • “Built for players wanting a focused midrange push to cut through a mix, add lead-boost character, or shape their tone's core frequency presence, it offers precise parametric control over a single targeted frequency band”

    — from the listing

  • “Parametric single-band design allows precise targeting of a specific midrange frequency, more flexible than a fixed-frequency mid-boost”

    — from the reviews

  • “The Guptech Slime Mid-Boost is a single-band parametric EQ pedal from Guptech, a Quebec-based boutique pedal manufacturer, designed specifically to boost and sculpt midrange frequencies”

    — from the listing

  • “Valued for offering precise, parametric control over midrange frequencies specifically, a common need for players wanting their tone to cut through a dense mix or add lead-boost character”

    — from the community notes

  • “Primary use case is players wanting a targeted midrange push for solos, rhythm cut-through, or general tonal sculpting”

    — from the community notes

  • frequency
  • midrange
  • lead
  • cut through
  • boost
  • mid boost
  • mix
  • presence

Amps that pair well with the Guptech Slime Mid-Boost

Mesa Boogie Mark IIC+ Combo

Mesa Boogie

20% match
$2999via Reverb

gain stackingStacks two gain stages for more saturation than either produces alone. (mid-forward → high gain)

Mesa Boogie Mark IIC+ Combo stacks high gain on top of the mid-forward already here

Comes later in the signal chain

Soldano Astro-20 Head

Soldano

20% match
$1999.99via Reverb

gain stackingStacks two gain stages for more saturation than either produces alone. (mid-forward → high gain)

Soldano Astro-20 Head layers high gain onto an already mid-forward signal

Comes later in the signal chain

Mesa/Boogie JP-2C John Petrucci Signature 60/100-Watt

Mesa Boogie

tonal match

Comes later in the signal chain

Mesa/Boogie JP-2C John Petrucci Signature 60/100-Watt stacks high gain on top of the mid-forward already here

Marshall Studio JCM900 SN20H

Marshall

tonal match

Comes later in the signal chain

Marshall Studio JCM900 SN20H stacks high gain on top of the mid-forward already here

Friedman BE-Mini Head

Friedman

tonal match
$195.67via Reverb

Comes later in the signal chain

Put Friedman BE-Mini Head in front and the mid-forward tone leans further toward high gain

Hughes & Kettner Warp 7

Hughes & Kettner

tonal match
$901.54via Reverb

Comes later in the signal chain

Run mid-forward into Hughes & Kettner Warp 7 for more high gain on top

Egnater Tourmaster Combo 4212

Egnater

tonal match
$380via Reverb

Comes later in the signal chain

Egnater Tourmaster Combo 4212 stacks high gain on top of the mid-forward already here

Hughes & Kettner Coreblade

Hughes & Kettner

tonal match

Comes later in the signal chain

Hughes & Kettner Coreblade stacks high gain on top of the mid-forward already here

Pedals that stack with the Guptech Slime Mid-Boost

Greer Black Mountain

Greer

20% match
$199via Reverb

gain stackingStacks two gain stages for more saturation than either produces alone. (mid-forward → fuzzy)

Put Greer Black Mountain in front and the mid-forward tone leans further toward fuzzy

Comes later in the signal chain

Fjord Fuzz Berserk

Fjord Fuzz

20% match

gain stackingStacks two gain stages for more saturation than either produces alone. (mid-forward → fuzzy)

Fjord Fuzz Berserk stacks fuzzy on top of the mid-forward already here

Comes later in the signal chain

Heavy Metal FX HMFX Phase Riot Factory Second

Heavy Metal Fx

12% 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.

Keep Heavy Metal FX HMFX Phase Riot Factory Second after Guptech Slime Mid-Boost in the signal chain, clear of Guptech Slime Mid-Boost's own gain stage

Comes later in the signal chain

Artec SE-NGT

Artec

10% match
$56.55via Reverb

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

Guptech Slime Mid-Boost's own mid-forward character is the real reason this is worth trying

Comes earlier in the signal chain

Caroline Guitar Company Kilobyte

Caroline Guitar Company

7% match
$199via 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 Caroline Guitar Company Kilobyte after Guptech Slime Mid-Boost in the signal chain, clear of Guptech Slime Mid-Boost's own gain stage — goes in the amp's FX loop (or last, into a clean amp)

Comes later in the signal chain

Dunlop - MXR Carbon Copy Deluxe Analog Delay

Dunlop

7% match
$302.81via 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 Dunlop - MXR Carbon Copy Deluxe Analog Delay after Guptech Slime Mid-Boost in the signal chain, clear of Guptech Slime Mid-Boost's own gain stage — goes in the amp's FX loop (or last, into a clean amp)

Comes later in the signal chain

Dr. Scientist Frazz Dazzler V2

Dr Scientist

tonal match
$204.36via Reverb

Comes later in the signal chain

Put Dr. Scientist Frazz Dazzler V2 in front and the mid-forward tone leans further toward fuzzy

Death By Audio Destruction

Death By Audio

tonal match
$137.70via Reverb

Comes later in the signal chain

Death By Audio Destruction layers fuzzy onto an already mid-forward signal

Alternativessee all similar tone character →

See all alternatives to the Guptech Slime Mid-Boost (cheaper + boutique) →

Questions people ask

What are good alternatives to the Guptech Slime Mid-Boost?+

The closest matches in character are the Suhr Koko Boost, the Fortin Amplification Grind, the Ibanez Tube Screamer.

What pairs well with the Guptech Slime Mid-Boost?+

Strong matches from rig and tone-complementarity evidence: Mesa Boogie Mark IIC+ Combo, Soldano Astro-20 Head, Mesa/Boogie JP-2C John Petrucci Signature 60/100-Watt — Mesa Boogie Mark IIC+ Combo stacks high gain on top of the mid-forward already here.

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