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Overall Condition: 
VERY GOOD  
 
Cosmetic Issues:
• The original vinyl wood grain covering has been repainted black (see photos)

• There are two small holes on top of the unit where something was mounted (see photos)

• Numbered decals have been applied above the rhythm selector buttons (see photos)

 
 
Function:

FULLY TESTED, 100% FUNCTIONAL   
 
PRODUCT BACKGROUND
 
The UNIVOX SR55 was introduced in 1971 by Merson Musical Products (a division of Unicord Incorporated, a Gulf + Western Systems
 Company). In addition to UNIVOX products, 
Merson was also the exclusive U.S. distributor for Marshall products (primarily amps) during this time. UNIVOX products were manufactured under the Unicord division of Merson until it was bought out by Korg in early 1975.
  
 
Because it was so popular among both professional and amateur musicians, Korg continued its production for several more years as the Korg MiniPops 3.  It remained
 essentially unchanged during both production runs. The UNIVOX model was sold either with or without an optional carrying handle (this particular unit was never equipped with a handle). Weighing in at 7 ½ pounds, not only was the SR55 easy to gig, but it proved to be rugged as well which helped justify the 1971 retail cost of $225, or the equivalent of more than $1,500 in today’s economy. 
 
Officially named the UNIVOX SR55 Super Rhythmer “Computer”, the SR55 boasts rhythm, sound, and variation selections, a full-range tempo control, and tone and volume controls to create nearly infinite sound and rhythm combinations.
 
 
Watch the demo video I've recorded so you can hear each of the individual sounds and rhythms. Near the end of the video there's a link to another video in which I go into more detail about the control functions and operation, including combining rhythms and sounds.
 
Rhythms include 36 variations for Fox Trot/Swing, as well as Waltz/Viennese Waltz, Bossanova 1-2, Cha Cha, Rock 1-2-3-4, Tango, Samba, Rumba, Mambo, Bequine, Ballad, Baion, Habanera, and Western. Two or more rhythm selections may be combined to create custom rhythms. Sounds include, Bass drum, Claves, Cowbell, Conga, Cymbal, Maracas, Snare drum, Bongo (large), and Bongo (small). 
 
FEATURES
  • Solid State circuitry
  • Tonal variations and tempo control
  • 18 rhythms that can be combined with each other
  • 36 Fox Trot/Swing variations
  • A large START (mute/unmute) switch
  • ¼ inch PEDAL jack (pedal or foot switch not included)
  • Separate ¼ inch HIGH and LOW IMPEDANCE output jacks
  • Cord storage compartment with latching cover
  • Original power cord with non-grounded, non-polarized, 2-prong plug

 
SPECIFICATIONS
  • Manufacturer: Merson Musical Products, a division of Unicord Inc., a Gulf + Western Systems Company
  • Brand: UNIVOX
  • Model: UNIVOX SR55 Super Rhythmer “Computer”
  • Power requirements:  117vac - 50/60Hz
  • Type: Effects machine - percussion

  • Serial number: 711160
  • Country of manufacture: Japan
  • Year of manufacture: 1971
  • Size: 14” long X 9 ½” wide X 4 ½” high
  • Weight: 7 ½ pounds
 
FREE SHIPPING to anywhere in the Continental U.S. 
For all other shipping locations, contact me to get an exact shipping quote.  

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Listed5 years ago
ConditionVery Good (Used)
Very Good items may show a few slight marks or scratches but are fully functional and in overall great shape.Learn more
Brand
Model
  • SR55 Super Rhythmer "Computer"
Finish
  • Painted / Black
Categories
Year
  • 1971
Made In
  • Japan

Product safety information may be available here.

Dave's Music Gear and Accessories

Parsons, KS, United States
Joined Reverb:2020

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