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Bucket ONE

Synth (Subtractive) Plugin by Full Bucket Music
Bucket ONE
Bucket ONE
Bucket ONE by Full Bucket Music is a Virtual Instrument Audio Plugin for macOS and Windows. It functions as a VST Plugin, an Audio Units Plugin, a VST 3 Plugin and a CLAP Plugin.
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106 KVR members have added Bucket ONE to 68 My KVR groups 128 times.
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+68 in private groups

KVR Rank

Overall: 416   329   413

30-Day: 517; 7-Day: 652; Yesterday: 739

The Bucket ONE is a software synthesizer plug-in for Microsoft Windows (VST2/VST3/CLAP) and Apple macOS (VST2/VST3/AU/CLAP) simulating the classic Crumar BIT 01/99 synthesizers from 1985. It is written in native C++ code for high performance even on "lighter" systems.

Main features:

  • Close simulation of the original hardware.
  • Visual sound editor.
  • Up to 64 voices polyphony including Split and Double mode.
  • Two oscillators with three waveforms (triangle, sawtooth, pulse).
  • Additional white noise generator.
  • Classic self-resonating four-pole lowpass filter.
  • Individual envelopes for VCF and VCA.
  • Two low frequency oscillators (LFOs).
  • BIT ONE Unison mode.

  • SysEx and Tape Dump import.

  • Supports MTS-ESP by ODDSound dynamic micro-tuning.
  • Resizable user interface (not "N" version.).
  • MIDI Learn – all parameters can be controlled by MIDI CC.
  • Plug-in supports Windows and macOS (32-bit and 64-bit).


Latest User Reviews

Average user rating of 4.75 from 4 reviews
Bucket ONE

Reviewed By ralph42 [all]
October 3rd, 2023
Version reviewed: 1.0 on Windows

Somehow Bjorn Arlt von Fullbucket always manages to programme some real electronic life into his native C++ coding computer emulations and creations. Made with love thought and care.

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Bucket ONE

Reviewed By kraftraum [all]
July 11th, 2023
Version reviewed: 1.0.0 on Windows

Hello everyone,

as a beta tester of the synthesizer, Björn once again overtook me when it was released :P
That's why I'm only now coming to my evaluation of the synthesizer.

The user interface has been lovingly recreated, sensibly expanded with the EDIT section programmed by Björn.
Otherwise I like the expansion from 6 to 64 votes, very good.

Programming the sounds is quick and easy. If you want to create some yourself, you can quickly find your way around the edit section. The sounds are very sonorous, assertive and sound great! I can create all sounds with it, from bass sounds to drums, FX to pads. The only thing I miss on the synthesizer is a delay to make the sound wider. But: everyone should have something of that in their DAW.
If you are sadistic ^-^ you can also use the original 80s interface :).

Tip: if a request comes up after a change, in which a change is pointed out: simply press the Park/Write button in order not to lose the changes.

For many lovers of old simulations, it is certainly crucial how close the sound comes to the hardware. I cannot and do not want to judge that: I take the BucketOne as it is.

As with all Björn synthesizers, I always look forward to the CPU load :) Result: low CPU load, no spikes, no surprises, perfect.

My conclusion: I really appreciate the detailed work of Björn / Fullbucket and I'm happy to welcome another "full bucket" in my DAW. 5 Stars.

P.S: If you want to hear more about the tonal possibilities of the synthesizer go to
I make the presets for this track available to Björn exclusively under "23 for BucketOne", which can be found soon at

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Bucket ONE

Reviewed By Warkauze [all]
July 10th, 2023
Version reviewed: 1.0 on Windows

While not the most powerful, its sound and UI makes it quite the fun tool to have! Absolutely recommend giving it a go.

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Bucket ONE

Reviewed By htrois@dr.com [all]
July 2nd, 2023
Version reviewed: 1.00 on Mac

Excellent, as often, always?, with Full Bucket people.

I advise you to download the entire collection of the Full Buckets intrsuments, you'll find nugets.

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Comments & Discussion for Full Bucket Music Bucket ONE

Discussion: Active
13 July 2023 at 8:24pm

For those who don't know yet:
"Bucket ONE" and "Bucket Pops" are subject of KVR's (second) TWO Synth Challenge #173(OSC) -> https://www.kvraudio.com/forum/viewtopic.php?t=598764

Go in and listen or even add to the submissions of this grreat, friendly and amazing event.

Have a nice day

Full Bucket
Full Bucket
14 July 2023 at 2:06pm

kraftraum's preset pack "23 for Bucket ONE" is now available from the Bucket ONE's webpage https://www.fullbucket.de/music/bucketone.html

27 September 2023 at 12:43pm

To me this software sounds very close to my memories of my old Bit 99. I can't do an A/B comparison, because my old Bit 99 long has joined synth heaven. I only have my memories and some old recordings.

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