The SR-120 name belongs to the Korg/Univox Mini Pops 120 family: a preset analogue rhythm instrument with A/B variations, breaks, foot control and a mixed output. Its sounds have continued to turn up in modern recordings and modifications.
The machine in the record

Prairiewolf / Deep Time.
Prairiewolf name the SR-120 in the small rhythm-machine family behind Deep Time. The preset box is treated as an instrument with its own stubborn character, not a nostalgia prop.
Read Prairiewolf (Interview) ↗More records in the archive
The machine keeps turning up.
Alec Ounsworth / Clap Your Hands Say Yeah / Demos discussed during Only Run interview
Interview identifies SR-120 demo use and quotes Ounsworth on its influence on his writing.
Read Alec Ounsworth / Only Run interview, Electronic Musician, PDF pp. 43–44 ↗Prairiewolf / Deep Time (album)
Band names Korg Univox/Mini Pops SR-120, Maestro Rhythm King II and Ace Tone FR-3 for Deep Time.
Read Prairiewolf (Interview) ↗A Mini Pops with more than one badge
Musicians describe the SR-120 as a Korg, Univox or Mini Pops instrument because its story crossed markets and cabinet versions. The useful constant is the machine’s musical character: a preset rhythm box with a generous analogue pulse, compact enough to follow a player from a home organ setup into a studio.
Alec Ounsworth / Only Run interview, Electronic Musician, PDF pp. 43–44 ↗ Prairiewolf (Interview) ↗ Mini Pops 120 Owner’s Manual ↗
Built-in rhythms, live changes
The Mini Pops 120 manual describes 32 rhythms, five breaks and ten percussion sounds. A and B rhythm settings can alternate automatically or be called by hand; buttons can be combined, and the foot controls manage start/stop, fade and changes. These details make the 120 family feel less like a static backing track and more like an accompaniment instrument that reacts under a musician’s feet.
A sound that keeps travelling
Alec Ounsworth kept an SR-120 among the tools for his Only Run demos, and Prairiewolf named the instrument among the rhythm machines used on Deep Time. Later engineers have created individual-output modifications for Mini Pops 120 units, showing how an old mixed-output box can be brought into a more elaborate studio without losing its original voice.
Alec Ounsworth / Only Run interview, Electronic Musician, PDF pp. 43–44 ↗ Deep Time — official album page ↗ Prairiewolf (Interview) ↗ Korg Minipops-120 Single Output Modification ↗
The wood-cased relative in London
A July 1979 London Synthesiser Centre advertisement listed the wood-cased Mini Pops 120W at £211. The 120P and 120W shared the same family manual while taking different physical forms, and the offer gives a vivid view of the Korg rhythm range on sale in Britain at the end of the decade.
Mini Pops 120 Owner’s Manual ↗ London Synthesiser Centre price advertisement, Beat Instrumental July1979, PDF p3 ↗
Sources
- Alec Ounsworth / Only Run interview, Electronic Musician, PDF pp. 43–44
- Prairiewolf (Interview)
- Mini Pops 120 user review
- Deep Time — official album page
- Korg Minipops-120 Single Output Modification
- Mini Pops 120 Owner’s Manual
- London Synthesiser Centre price advertisement, Beat Instrumental July1979, PDF p3
The visual archive
Further visual evidence.
Sources for images shown earlier (2)
- Korg / Univox Mini-Pops SR-120 Portable ↗
- Prairiewolf — Deep Time (album) ↗
2024-09-20 · Prairiewolf / release artwork via Cover Art Archive · MusicBrainz release record and Cover Art Archive front artwork
Additional visual sources (4)
Original publications and related image sources.
- Alec Ounsworth interview in Electronic Musician ↗
September 2014 · Ken Micallef · PDF p. 44; article begins PDF pp. 42–43 - Mini Pops 120 manual listings ↗
Undated document · Korg attribution in host listing · Two listed files; pages and editions not inspected - Mini Pops120P and120W factory illustrations and rhythm charts ↗
Undated · Korg · PDF pp1 and5 inspected;8 pages total - London Synthesiser Centre Mini Pops120W price listing ↗
July1979 · London Synthesiser Centre · PDF p3

