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Wurlitzer Swingin' Rhythm Drum Machine

Wurlitzer Swingin' Rhythm Drum Machine

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This product is Vintage or Discontinued

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Page last updated Aug 10, 2025

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Description

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Made in the USA in 1969 by Wurlitzer of DeKalb, Illinois. According to the patent granted in 1971, it was designed by Harold O Schwartz, Peter E Maher, and John E Holt. The unit is housed in a stylish and solidly built wooden casing. Typical serial numbers E216066, E218455 (117 V). The compact unit was designed to sit on top of an organ, has dimensions of 19 cm wide x 22 cm deep x 9 cm high, and weighs 2.8 kg. The five pattern Swingin' Rhythm could also be found built into various Wurlitzer organs, including the 4075 R (R standing for rhythm accessory). Later models such as the 950 had a restyled fifteen preset option, whilst on the 580T model there were ten preset rhythms (Waltz, Latin, Caribe, Bossa Nova, Swing, Ballad, Rock, Shuffle, 6/8 March and Polka). Controls: Five buttons for the rhythms - Waltz, Latin, Foxtrot, Teen and March. There are push-down buttons for Drum, Brush, Snare, Block and Cymbal. Two dials for Volume/Power On/Off and Tempo control, with two yellow lamps. Rear Panel: 9-pin Auxiliary input socket, along with Output and External mini jack RCA-phono type sockets.

Videos

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AnalogAudio1

WURLITZER SWINGIN' RHYTHM - Analog Rhythm Box 1975 | HQ DEMO

AnalogAudio1

Wurlitzer Swingin' Rhythm Analog Drum Machine

GetLoFi

Wurlitzer Swingin' Rhythm

Oliver Chesler

Wurlitzer Swingin' Rhythm Analog Drum Machine

You Are The Robots

WURLITZER SWINGIN’ RHYTHM 5020 Vintage Analog Drum Machine | DEMO

You Are The Robots

Reviews

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Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Wurlitzer Swingin' Rhythm Drum Machine.

Features and functionality

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The RCA output might not serve as a clock signal; users have struggled to sync other gear using it.
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The "EXT" port may be designed for an on/off foot switch rather than sync functions, indicating potential for modified use with MIDI triggers.
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Setup and maintenance

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Opening the unit is possible but caution is advised due to high voltage power supply capacitors, which can retain charge.
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Mods and upgrades

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Some owners recommend relocating front panel jacks to the back for aesthetic preservation, suggesting a breakout box as an alternative.
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Owners suggest modifying the unit to trigger each voice independently by injecting a trigger signal into the circuit for modular system compatibility.
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Use cases and applications

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Originally designed for Wurlitzer organs, the unit may require specific voltage ranges higher than typical modern equipment.
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Attempting to sync the Swingin' Rhythm with modular gear through the "EXT" port may not work without modifications, as the native functionality may not support external clock syncing.
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User experience

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Plugging a clock into the "EXT" port can activate the light in tempo, but connecting the output reverts control to the Swingin' Rhythm's internal tempo.
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