FAT Freebass analog bass synthesizer

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"The Freeform Analogue Technologies (FAT) Freebass FB383 (also sold as the MAM MB33) is a 1U 19-inch rack-mounting MIDI synthesizer module dedicated to doing just one thing - imitating the sounds of the Roland TB-303 Bassline. It uses genuine analogue technology to produce the familiar 'acid' sounds, but adds MIDI control, so you don't have to cope with the Roland's quirky programming system - just hook up the Freebass to your MIDI sequencer, and play away. Dispensing with fripperies such as patch memories and continuous controllers, the Freebass is all about live performance - once you start twiddling those knobs in real time, you'll be lost in a world of acid madness."

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FAT Freebass 383 heavily modded

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"Here is this great and rare mono synth the FAT Freebass 383 with all sorts of mods.

This is a fine Roland TB - 303 clone and can be played via midi as a synth module which is great fun and something you can't do with a 303.

The midi channel can be set via the switchers on the back. It is currently set to ch6.

Modifications are as follows.

FM - On / off and input.
PWM - On / off and input.
CUT off - input
RES boost - on / off
ENV amount - input

All ready for an envelope or LFO signal from any other gearbox may have."

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FAT FB383 Freebass

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"A one unit rackmount synth module. Monophonic, analogue bassline generator and TB303 clone. Eight control knobs : tune, wave, filter, cut off, resonance, envmod, accent and decay. MIDI in / out and external input. In prefect working condition with no damage at all."

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FAT Resinator THC-00 Synth Filter

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"FAT resinator THC-00 just like the MAM RS3 with a different cover, a signal processor filter for use with whatever you can even put external modulation through it, these are rare as hens teeth so grab a bargain. Sold as seen but i have tested as best as i can and seems fine but may need a service or a tweak (this is why its being sold cheap). Note this is for the green resinator in the photo only, the mb33 in photo is also up for auction in seperate listing..."

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Korg Volca Ten Minute Challenge @mtc10

Published on Jul 11, 2014 Tony Horgan

"In response to a challenge set on the Korg Volca Series Facebook group, I've recorded this track from scratch using no pre-programmed patterns. Everything is programmed on-the-fly and played live, without a computer, recorded straight into the camcorder with no post-processing. Because I'm holding the camcorder, at times I use my nose to tweak the controls, which you might see at certain points. Kit list: Roland TR-8, Korg Volca Bass, Korg KaossPad Quad, Korg Volca Keys, FAT THC Resinator, Novation MiniNova, Alto ZMX122FX mixer."

FAT Freebass FB383

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via this auction

"The Freeform Analogue Technologies (FAT) Freebass FB383 (also sold as the MAM MB33) is a 1U 19-inch rack-mounting MIDI synthesizer module dedicated to doing just one thing - imitating the sounds of the Roland TB-303 Bassline. It uses genuine analogue technology to produce the familiar 'acid' sounds, but adds MIDI control, so you don't have to cope with the Roland's quirky programming system - just hook up the Freebass to your MIDI sequencer, and play away. Dispensing with fripperies such as patch memories and continuous controllers, the Freebass is all about live performance - once you start twiddling those knobs in real time, you'll be lost in a world of acid madness.

Features include MIDI input, selectable MIDI channel using DIP switches, an audio input for routing eternal sources through the Freebass filter, a single mono output, Auto-tune function, and controls for Tune, Wave (variable between square and sawtooth, so actually capable of a wider range of sounds than the Bassline), Filter Cutoff, Filter Resonance, Envelope Modulation Amount, VCA/VCF Accent (triggered when MIDI velocity signal is above a certain level), Envelope Decay and Master Volume."

Rack Mount Freebass Analogue Bass Synth

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"Freebass ( FAT ) FB383 Analogue Bass Synth. Rack Mount. Fantastic Retro Bass sounds fully adjustable via control knobs. Midi input triggers Mono Analogue output sounds. External audio sounds can be sent via vcf input, but are still controlled by midi input. ( eg: drum machine, synth, PC ) Brilliant synth..."

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FAT FB383 Analogue Monophonic Synthesizer

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analog evening

Published on May 30, 2013 michal23pl·75 videos

"ms10 cheetah ms6 fb383 s6000 (sampled ms10 drums)"

analog evening 2 (heavy tape saturation)

Published on May 31, 2013

"ms10 fb383 ms6 s6000 + tape + spring reverb"

analog sunday (KORG MS10 CHEETAH MS6 FAT FB383 S6000)

Published on Jun 2, 2013

"I think finally I've found the overall sound I was looking for. I'm so happy. pad: ms6. drums: ms10 (in s6000). wind fx: ms10 arp sequence: fb383. spring reverb. mixed on mackie onyx. recorded on the analog tape Maxell UD."

Hotelsinus - Realpoint Design

Published on May 3, 2013

"Drum Station + FB383 + RVD900 reverb"

Fat FB383 FREEBASS, TB303 Clone Analog Bass Synth

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Freeform Analogue Technologies Freebass FB383 Synth

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"Freebass FB383, an excellent little rack mounted clone of the legendary Roland TB303 from Freeform Analogue Technologies. Made in the late nineties, these are becoming quite rare and sought after in their own right. Perfect working order. Cosmetically, it has a couple of very small dents in the top panel and scratch marks to the rack mounting holes - see pics. Comes with original power supply and description of functions as below (1 page printout)"

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FAT Freebass FB383

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MAM FAT FREEBASS 383 with Instruction Sheet

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Monophonic Analog TB-303 Clone
8 basic knobs -
Tune
Filter Cuttoff
Resonance
Envmod
Accent
Decay

Oscillation can be varied sawtooth to squaretooth
External audio input for filtering

Novation DrumStation + FB383 + MB33 MK2 - Acid !

YouTube Uploaded by tribeofthesun on Nov 1, 2011

FAT Freebass FB383 (LIKE A ROLAND TB303 : ))

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YouTube Published on Jul 11, 2012 by sugarcubemusic

"Hi - my demo of this awesome and quite rare analogue machine, if you remember the Roland TB303 you'll love it, I've owned it from new but hardly used. It's for sale on Ebay - Check It Out : )
Visit My Website at : www.sugarcubemusic.com"


via eBay UK

"Welcome to my auction for this awesome FAT FB383 synth module - this is a fantastic TB303 clone but even more - it has a superb filter which lets you use its built filter to treat external sources / synths etc... + a variable waveform (which the Roland TB303 doesn't have). I have owned this from new, it cost me £199 but I've hardly used it (the studio work I have done over the last several years simply hasn't allowed me to really use this). Grab yourself a fantastic piece of Analogue Vintage Kit - (these are quite rare now)."

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Modified FAT Freebass Demo

YouTube Uploaded by circuitbenders on Aug 18, 2011

"Quick demo of a modified FAT Freebass FB383, otherwise known as a MAM MB33. The YouTube audio encoding has made the really high frequencies go a bit strange, but you get the general idea.

This one has:
VCO On/Off Switch
VCO Drive
Resonance Boost Switch
VCF FM on/off
VCF FM amount knob
VCF FM source selector (saw, square, VCF input, FM input)
Filter Lock switch
External VCF FM input socket
Accent LED
Power switch

Details of the mods can be found at: http://www.circuitbenders.co.uk/synthmod/FREEBASS.html"

Modified FAT Freebass Demo Part.2

Uploaded by circuitbenders on Sep 5, 2011

Demo of some gurgling throaty VCF FM effects from a modified FAT Freebass FB383, otherwise known as a MAM MB33.

"This one has:
VCO On/Off Switch
VCO Drive
Resonance Boost Switch
VCF FM on/off
VCF FM Mode
VCF FM amount knob
VCF FM source selector (saw, square, VCF input, FM input)
Filter Lock switch
External VCF FM input socket
Accent LED
Blue power & midi LED's
Power switch

Details of the mods can be found at: http://www.circuitbenders.co.uk/synthmod/FREEBASS.html"

Chilling In The Sunshine (AKAI MPC60, S1000, MS6, FB383 beat)

YouTube Uploaded by michal23pl on Apr 22, 2011

"inspired by heat and heavy, almost stormy air. this is a full 80 bars composition! not just a looped sequences. programming and drums: mpc60, mellow sample: s1000, bass: fb383, synth sweeps: cheetah ms6. recorded on superb but unknown tape i've recieved with a spool (one side coated with a paprika red est. 30 cm beginning. anyone knows?). hope you'll enjoy it:)"

tr505 fb383 zoom 1201 x0xb0x yamaha mt50

YouTube Uploaded by TuneFRK on Apr 2, 2011

"Here we have TR 505 modded with separate volume controls, rhythm deconstructor buttons and global pitch. X0xb0x is sequencing FB383 with few mods and processed by zoom 1201 multi fx.
All that is sent through yamaha mt50 (mixer/tape recorder).
The documentation of the fb383 you will be able to find soon at http://www.tunefreak.org and go to studio section.

and don't forget to visit http://www.acidhardwave.com for the latest Acid releases."

A-station+x0xbox+DR550 mk2+Yamaha MT50

YouTube Uploaded by TuneFRK on Mar 25, 2011

"Great little synth!"