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DirtBag

Organ Plugin by Istvan Kaldor
MyKVRFAVORITE80WANT35
Free
joshgemmell.com
DirtBag
DirtBag by Istvan Kaldor is a Virtual Instrument and a Virtual Effect Audio Plugin for Windows. It functions as a VST Plugin.
Product
Version
1.86
Tags:OrganDirtBagIstvan Kaldor
Instrument
Formats
Effect
Formats
Copy Protection
None

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120 KVR members have added DirtBag to 13 MyKVR groups 135 times.

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KVR Rank

Overall: 1958   1857

30-Day: 2836; 7-Day: 3139; Yesterday: 495

  • 9 Drawbars (responds to cc20-cc29).
  • PW: pulse width (when pulse waveform selected).
  • Det: Detune.
  • Dirt: Distortion/Overdrive (the heart of DirtBag).
  • Cut: Cutoff (LPF) after distortion.
  • Sine/.../... the waveform.
  • Rota: Leslie amount.
  • Width: Leslie spread.
  • Slow/Fast/Acc: Leslie Slow/Fast/Acceleration controls.
  • cc01/cc04/PBnd: Leslie Slow/Fast switch could be mapped to Modwheel, Footswitch or Pitchbend.
  • Cut1/Cut2/LPF/Res: tone-tweakers.
  • Perc/Dec/2nd/3rd...: percussion controls.
  • Mix/Mod/Fback: Delay controls.
  • Lim: Clipper (hard clip).
  • Vol: Volume (cc07).
Made with SynthEdit

Latest User Reviews

Average user rating of 4.33 from 6 reviews
Read all reviews Add A Review
DirtBag

Reviewed By kinAxis [all]
July 5th, 2025
Version reviewed: 1.86 on Windows

I find it hard to believe a free VST can be this good and more importantly USEFUL.

I just today turned my synth expert brother into a fan of this now "vintage" vst!!.

Seriously if there was a hardware synth with this engine I would be very happy!!.

This VST has made me appreciate Organ type sounds much more as it has character and personality galore...

Only request, make a 64-bit version :).

Read Review
DirtBag

Reviewed By duncanparsons [all]
May 30th, 2003
Version reviewed: 1.6 on Windows

Having tried things like morphiza and ZR3 (B4 is out of my reach!) I wondered what this would be like... Actually - very impressed!

It has the grunt and growl that you need for those Thijs Van Leer/Sylvia impressions! I really like it, and it has pride of place in my 'favs'.

the presets are good - nice variety demonstarting what can be done with the plug.

wrt stability of sound.. depending on how you look at it, either variable or excellent: it doesn't crash, but there is the 'randomness' of an overdriven hammond with grit on the teeth - and I like it that way.

It does clean sounds too, but the dirty is where it excels, the distortoin unit is well honed.

If you need an organ, you could do far worse then this..
Start saving those pennies!!
Read Review
DirtBag

Reviewed By warbug [all]
February 6th, 2003
Version reviewed: 1.5 on Windows

i absolutly love the sound of this organ, dirty grimey and yet tastey.

the gui is pretty self expalanitory, if youever used an organ type plugin

the sound is good is youlike trashey sounding organs

i was able to squeeze some unorgan like sounds out of it

very little docs

the presets are good you can start using this synth is songs right away in songs.

never delt with customer supprt but the creators seems like a nice guy form his posts.

a very good value for the money ...FREE!!!

the stability has vastly improved since the first release; no you can actually play chords!!

if you enjoy Organs do not pass this one by.
Read Review
DirtBag

Reviewed By mistertoast [all]
January 22nd, 2003
Version reviewed: 1.5 on Windows

I live in a small house, and about a year ago we ditched our big old organ for lack of space. I don't miss the old beast much anymore, thanks to Dirtbag. I love the sounds I can get--even some I can't get out of an organ.

There are lots of great organ plug-ins now. I'm not going to pick a favorite, but I have no complaints about this one. Top-notch on the customer service--the author bug-fixed and added features right before our eyes here on KvR.
Read Review
DirtBag

Reviewed By AndreasE [all]
January 13th, 2003
Version reviewed: 1.43 on Windows

Only the second review for such a good FREE instrument?

This thing is really sounding like the 60´s organs (Keith Emmerson and the Nice, Gary Brooker and Procol Harum, Deep Purple, Doors, Steppenwolf, ...) - phantastic and the presets are nice.

Customer support is outstanding because within two days there were three new versions with fixed bugs and some new features.

I´m very impressed of that instrument except for the somewhat high CPU consumption (but it´s a SE synth).
The absence of a documentation isn´t a problem, I think, because that organ isn´t really difficult to program.
Read Review

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Comments & Discussion for Istvan Kaldor DirtBag

Discussion
Discussion: Active
davidkuhn5000
davidkuhn5000
6 August 2012 at 9:23pm

Would love to try downloading it. But I press the link and there is a problem with the page

THIS POST HAS BEEN REMOVED

BlackWinny
BlackWinny
22 August 2013 at 6:12pm

All his VST collection (17 free VST's, some are real gems) is now available as a unique pack (.zip) here:

http://tusantrey.webs.com/apps/blog/show/23366000-istvan-kaldor-the-synth-vst-plugins

or here :

http://www.vst4you.com/assets/synths/Istvan%20Kaldor%20VST%20Collection/

The second link is by far more interesting (when you're in... click on the link "Parent Directory" at the top of the page and you'll understand why it is more interesting...).

Let me add that if you like flutes... his VST named PanFlute is an awesome physical modelisation of flutes! (and not only the pan flute). Wonderful.

syncopated2017
syncopated2017
5 December 2017 at 6:06am

Hey, .

I downloaded Dirtbag and like the patches but I must be doing something wrong because it's the only VST in my fruityloop that distorts. I then ran the patches thru my keybaord amp and still get distortion. I'm new to VST and most others I've used pretty much played right out of the box, so not sure if I have to modify certain options. Any help is appreciated.

kinAxis
kinAxis
5 July 2025 at 6:00pm

It has a very high output volume, just turn down the volume knob, worked fine for me after that...

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