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Joh Mustad AB IE-50 Tubon Bass Synthesizer

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The Tubon is a tube-shaped electronic monophonic instrument with a guitar-strap. It is primary a bass instrument with preset sounds like tuba, contrabass, electric bass etc, and is played staccato. It was made in the late '60s in Gothenburg, Sweden by a company called Joh Mustad AB. The same company also made the tube organs Bergman Klavitron and Klavinette. The Mustad Tubons also seem to have been sold in the UK under the "Livingston" brand.

Numerous swedish pop and rock acts used this instrument in the late 60s and early 70s, but there are also images showing Paul mcCartney playing one. However, I find no evidence that the Tubon actually found its way onto a Beatles record. Ralf Hütter in Kraftwerk also used one of these in their early years as a bizarre kraut band.

The obscure and mythical electronic instrument which possibly was the world's first "strap-on"-keyboard. Made in Gothenburg, Sweden in the late 60s by Joh Mustad AB - but also seen branded "Livingston" in the UK.

Technical Specifications
Type: Analog
Synthesis: Subtractive
Oscillators: 1
Waveforms: Square
Osc Modulation: Keyboard
Oscillator Notes:
Four Preset Sounds:
+ contrabass
+ saxophone
+ electric bass
+ woodwind
LFO: 1
LFO Parameters: Square
Polyphony & Tuning
Polyphony: 1
Timbrality: 1
Tuning: Standard
Modes: Mono
Case: Keyboard
Keyboard: 32 keys, Mini-Keys, Plastic
Controls: Buttons, Knobs
Dimensions (WxDxH): 32.5 x 5 inches
Audio Output Connections: 1/4" Phone Jack, Mono Out
Audio Output Count: 1
Audio Output Notes: DIN output cable to 1/4" Phone Jack
Power: 9V Battery
Year Released: 1966
Used By
Paul McCartney (Beatles), Ralf Hütter (Kraftwerk), Lådan, Tom Nordbloms, The Shakers, The Rainbows
Design Notes:

Designed by Bengt Olof Ingemar Brodin.
Manufactured by Joh Mustad AB company of Gothenburg, Sweden. It was also said to be made briefly by Livingston of the UK.
Manuals & Documents
Used Price: $400 - $800 - convert
References & Sources

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