DSM & Humboldt Dumblifier Overdrive Special Pedal

£599.00

Spread the loveDSM Guitar Pedals are fresh in, this is a New one & the Just Pedals team think it is very tasty indeed!. Good news ! This can be delivered straight to your door, quickly and securely, anywhere in the UK & Europe. For more info on this New Guitar Pedals, please read on […]


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Description

Spread the love

DSM Guitar Pedals are fresh in, this is a New one & the Just Pedals team think it is very tasty indeed!. Good news ! This can be delivered straight to your door, quickly and securely, anywhere in the UK & Europe. For more info on this New Guitar Pedals, please read on for full details, demos, videos, reviews and order online.

For decades, guitarists around the world have dreamed of capturing the magic of the mythical Dumble Overdrive Special. Until now, the only way to approximate this experience has been through digital modelling—solutions that may reproduce the sound, but always fall short of replicating what truly makes these amps legendary: the feel under your fingers.

The Dumblifier Overdrive Special by DSM Humboldt Electronics breaks that barrier. By using our proven analogue amplifier modelling technology, we have not only recreated the tone but also the unique compression and touch response that makes every note bloom, sustain, and sing—just like on the original amps.

The Dumblifier is based on a painstaking analysis of every bit of information, schematics, videos, recordings and testing actual Dumble amps, specifically the 70’s Dumble Overdrive Special. A legendary amp used by the most exigent players, each amp was tailored specifically for the owner. However, they all shared a common structure and design philosophy that produced a very special, compressed and punchy characteristic response, which we carefully replicated stage by stage.

Sound-wise, the ODS is an extremely versatile amp; the clean tones are pristine and punchy and at higher levels, the clipping is smooth and fat. The Overdrive channel is silky and every note sings in response to your playing style. But the most impressive thing that we experienced with real Dumbles, was the note recovery rate, a punchy attack with a very long sustain that invites you to hang on to the notes as they ring, varying the harmonic content, getting infinite sustain very easily. We managed not only to achieve the tones, but also this incredible FEEL of the amps.

Stereo Cabinet Simulation

For each channel (left and Right) you can select the Speaker type and the Cabinet Type –

  • Speaker Type:
    • G12M: Greenback Speaker, defined highs and ready to Rock.
    • G12H: Cream Back, smooth and jazzy.
    • EV12L: Sparkly, detailed, and with a lot of bite.
  • Cab Type:
    • 2×12: Open Back 2×12 with present Mids and round overall response with extended low end.
    • 1×12: Open Back 1×12 Combo. Less boomy, presence in the higher midrange.
    • 4×12: Closed Back Stack. Strong resonant low end and flatter response.

Favourite combinations

  • EV12L+2×12: Clear and punchy, nice SRV strat tones, with defined attack, but with extra note weight.
  • G12H + 2×12: Super smooth lead tones, incredible for jazz fusion solos.
  • G12M + 4×12: Aggressive, more “marshall-like” rock tones.
  • G12M +1×12: More balanced, versatile rock tones, clarity in the mix.

Key Features

  • 2 channels: CLEAN and OVERDRIVE. The clean Channel is in series with the Overdrive Channel, so the Clean level affects the gain of the Overdriven tones. Both Channels share the EQ and preamp tone switches. The Overdrive Channel has Gain and Ratio controls. The Ratio controls the level of the OD channel to balance it with the Clean Channel Level.
  • PAB Boost: The PAB (Pre-Amp-Boost) is a staple feature on every Dumble ODS amp. It bypasses the tone stack, adding around 10dB (depending on the EQ settings) to the preamp gain. Note: The Tonestack is defeated when the PAB is activated.
  • Bright Switch: Boosts the high frequencies at lower Clean levels. At full clean level, it has no effect.
  • Mid Boost Switch: Boosts the mid and low mid range, producing a full-bodied tone, very nice with single coils!
  • Rock/ Jazz Switch: Changes the behaviour of the tone stack. Rock is a classic FMV tonestack, and Jazz is a Baxandall-James configuration. Jazz mode has less gain, but increased band independence and range.
  • Power amp section: The Dumblifier replicates the nuances of the Dumble power amp design. The clean Level and RATIO volumes set the input gain into the power amp, so you can adjust the power amp compression and drive by setting the Power Amp Master Level in conjunction with the Ratio and Clean Level. Higher preamp levels and low master gives more compression and vice versa. The presence controls the amount of mid-hi and high frequencies. It has a wide range in order to adapt the pedal to different types of amplifiers. Turn it down if the amplifier is bright, turn it up if the amp is dark, or using it into the FX return of an amp.
  • Stereo FX loop: The FX loop has a mono send from the amplifier’s output, and a dual return. For mono effects, use the left (mono) return.
  • Stereo Reverb: After the FX loop, a stereo reverb effect is applied to the signal. You can control the amount of reverb with the REVERB knob in the front of the pedal, and select 3 types of reverb (Room, Ethereal, and Plate). The Reverb can be switched On and Off with the REV/PAB footswitch when the footswitch function switch is on the “REV” position.

Specifications

  • Input boost switch: The Dumble ODS features a JFET boost input. The Input Boost switch gives you the option to boost -8dB (Low) or +12dB (High). Low-output guitars benefit from a low boost to get the most of the Dumblifier. Also, on high boost, you can use the clean channel as a crunch channel and clean it up with the guitar volume knob.
  • Aux select switch: Selects if the Aux signal is reproduced only on the headphones or also on the outputs. 
  • DI out: DI out Left and Right. The Cabinet simulation is always activated on these outputs.
  • TR Outs (R&L): The TR outputs have switches to select if the cabinet simulation is included or not. Use Cab bypass if connecting to a guitar amplifier (input or FX return) or if using an external cabinet simulation. Use a Cabinet simulation if using a flat (FRFR) response amplifier, or into a mixing console or recording board.
  • HEAVY DUTY, custom-made anodised aluminium enclosure with a sandblasted finish. Wooden side panels add a unique touch and premium feel.
  • LOW POWER CONSUMPTION: 200mA / 9V center negative
  • COMPACT SIZE: 13,5×11,5×6.5 cms — 5,5x 4,4×2.5 inches
  • Weight: 420g

Additional information

Weight 1 kg

Tasty Pedals made by DSM & Humboldt

DSM & Humboldt is a boutique effects brand known for innovative, amp-like pedals that bridge the gap between traditional guitar rigs and modern, direct-to-desk setups. Their designs focus on realistic drive, speaker simulation, and flexible tone shaping, with standout products like the Simplifier offering full analogue amp and cab emulation without menus or screens. Popular with players who value practicality and great sound in compact formats, DSM & Humboldt pedals are built for musicians who want professional tones whether playing live, recording, or practising silently.

Just Pedal Ingredients.

Guitar Pedals — Your pedal is like a signature dish for your sound — a flavour-packed creation that transforms the bland ingredients of your guitar into something unforgettable. Each one adds its own seasoning, texture, and heat, turning a simple meal into a feast of tone. These tasty little boxes sit in a row, like plates on a buffet, letting you mix and match flavours as you play. With one tap of your foot, you can swap sweet for spicy, subtle for smoky, and serve up something completely new. From the comfort food of warm overdrive to the fiery kick of fuzz, from smooth jazz sauce to heavy-metal spice, pedals give players a full menu of options to express their taste.  And just like with food, once you’ve tried one dish, you’ll want to sample them all. Collecting, trading, and discovering new flavours soon becomes part of the joy of being a tone-loving gourmet geek with a guitar.. New — This is brand new, fresh in, and a UK warranty is included. New Gear always comes from trusted UK music retailers.. Overdrive — Like a golden layer of melted cheese — warm, gooey, and just put it all over. It adds just the right amount of richness and grit, turning a clean signal into something smooth and savoury. Designed to mimic the natural breakup of a tube amp pushed to its sweet spot, overdrive delivers the flavour of classic rock and blues in every bite. From creamy mid-gain warmth to crisp edge-of-breakup sparkle, it’s the comfort food of guitar tone — simple, satisfying, and endlessly versatile. Whether it’s a mild crunch or a full-bodied roar, overdrive is where good taste begins.. Pedal — Your pedal is like a signature dish for your sound — a flavour-packed creation that transforms the bland ingredients of your guitar into something unforgettable. Each one adds its own seasoning, texture, and heat, turning a simple meal into a feast of tone. These tasty little boxes sit in a row, like plates on a buffet, letting you mix and match flavours as you play. With one tap of your foot, you can swap sweet for spicy, subtle for smoky, and serve up something completely new. From the comfort food of warm overdrive to the fiery kick of fuzz, from smooth jazz sauce to heavy-metal spice, pedals give players a full menu of options to express their taste.  And just like with food — once you’ve tried one dish, you’ll want to sample them all. Collecting, trading, and discovering new flavours soon becomes part of the joy of being a tone-loving gourmet geek with a guitar.. Special.

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