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DSM & Humboldt Simplifier Amp/Cab Simulator


Effect Pedal for Electric Guitar

  • Pre-amplifier, power amplifier and cabinet simulator
  • Fully analog preamplifier with 3 classic voicings: AC-Brit (British Class A 2x12" Combo), American (American Blackface Combo) and MS Brit (British Stack)
  • Zero watt stereo power amplifier: a precise approximation of the interaction between the power tubes, the output transformer and the global feedback that creates a specific frequency response for various tubes and speakers
  • 3 Tube voicings: 6L6, EL34 & KT88
  • Spread Control to get a "double box" sound with realistic physical separation
  • Stereo speaker simulation with 3 voicings: 1 x 12", 2 x 12" & 4 x 12" and microphone position controller on each side
  • The speaker simulation can be switched to the jack outputs to use it either as a DI out or with an additional amplifier
  • Controls: Gain, Volume, Bass, Mid, Treble, Presence, Resonance, Mic Position, Phones Level
  • Switch: Pre-Amp Voicing: Ac Brit / American / MS Brit
  • Switch Tubes Voicing: 6L6 / EL34 / KT88
  • Cab Voicing L & R switch (2 x): 1x 12", 2x 12", 4x 12"
  • Bags for spread on / off and ground lift
  • LED: On
  • Input: 6.3 mm jack
  • Output L & R: 2x XLR and 2x 6.3 mm jack
  • FX Send: 6.3 mm jack
  • FX Return L & R / Mono: 2x 6.3 mm jack
  • Aux in: 3.5 mm stereo jack
  • Phones: 3.5 mm stereo jack
  • Power supply connection: barrel connector 5.5 x 2.1 mm, negative polarity inside
  • Current consumption: 80 mA
  • Power supply via 9 V DC power supply (not included - suitable power supply: Art.


  • Dimensions (W x D x H): 115 x 65 x 55 mm
  • Weight: 430 g
  • Made in Chile


Battery operation is not supported.

Design Floorboard
Tube(s) No
Amp Modeling No
Effects Yes
Headphone Output Yes
Direct Out Yes
MIDI Interface No
Integrated Expression Pedal No
Connections for Pedals or Switches No
Aux-Input Yes
Integrated Tuner No
USB-Port No
Drum-Computer No
Item number 496648
B-Stock from 282 € available
299 €
All prices incl. VAT
Available immediately
Available immediately

This item is in stock and can be dispatched immediately.

Standard Delivery Times
Delivery free of charge expected between Thursday, 28.10. and Friday, 29.10.
30 Sales Rank

45 Customer Reviews

5 34 Customers
4 6 Customers
3 5 Customers
2 0 Customers
1 0 Customers
4.6 / 5




One of the best things I've ever bought
jackflynn 08.12.2020
Cannot stress enough how good this thing is, not only in it's sound but how ergonomic it is; so many useful features yet so compact. The sound of this thing is insane, the flexibility in cabs, mic positions and EQ etc lets you twiddle for hours, full stereo FX loop and stereo out. If your thinking of buying this, just buy it and ponder no longer... It's so sick hahaha

My only one tripe is that it would be even better if it was stereo in and I could run my synths into it, but is a guitar pedal so I'll let them off - 10/10


Simply amazing
Dug 16.05.2021
The Simplifier unit it compact and fit neatly alongside pedals on my board. The build quality is good as far as I can tell. I like the retro switches and styling. It is a compact unit, so could be considered fiddly by some, but for me its perfect.

The tones are really really good, the gain doesn’t go into full on metal territory, but does really hits the spot for an overdriven amp tone. The amp sims give enough variety, the power amp / cab sim settings are more subtle. The mic placement knobs widen up the sound nicely.

One thing I love about this unit is the effects loop. Being able to put my delays and reverbs in the loop again, is a great feature.

Connectivity wise it covers all bases - i.e. XLR and jacks.

All in all I love this little unit.


Ok for the price
Fruktjus 17.10.2021
Totally ok. Lacks the organic feel of an amplifier. Havent tried any other simulator, Maybe its the lack of a cab sim thats the problem.


Great little piece of kit
ottimo_massimo 23.02.2021
Yes, the writing is tiny, but you get a feel for the layout of this little pedal pretty quickly. I've been using it with headphones for practice purposes. Options are pretty simple in terms of cab, amp and tube combinations, but the output and tonal variance is excellent. the EQ and power amp controls have a huge bearing on tone and interaction with your guitar. I have yet to run this pedal through an amp head to see how it fairs. I have noticed AC hum with both single coil and humbucker pickups when sitting near to and facing the pedal. Easily rectified by facing away from the pedal while seated. I should also mention that it works very well with pedals. Overall it's a great little package.


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