Roland JC-120 Jazz Chorus (1975)
A stereo solid-state guitar amplifier renowned for introducing the world's first chorus effect.
Overview
The Roland JC-120 Jazz Chorus is a stereo combo guitar amplifier introduced in 1975. It has become a legendary flagship in Roland’s lineup, known for its clean sound and pioneering use of chorus. Designed for guitar, bass, and keyboard applications, it pairs well with instruments like the Rhodes piano and effects such as the Vox Tonelab. The amp features two channels, each delivering 60 watts of solid-state power, and includes built-in vibrato and reverb effects. Its enduring reputation has made it a professional favorite for over four decades.
Specifications
| Rated Power Output | 120W (2 x 60W) |
| Speaker Size | 2 x 12" |
| Type | Solid State |
| Number of Channels | 2 |
| Reverb | Yes |
| Vibrato | Yes |
| Nominal Input Level | -30 dBu (680 k ohm) |
| Inputs | 1 x 1/4" |
| Outputs | 2 x 1/4" |
| Effects Loop | Yes |
| Footswitch I/O | 3 x 1/4" |
| Width | 760 mm (29-15/16 inches) |
| Depth | 280 mm (11-1/16 inches) |
| Weight | 28 kg (61.7 lbs) |
| Manufacturer Part Number | JC-120P |
Context
The JC-120 made history in 1975 as the first amplifier to feature the chorus effect, which quickly became a defining sound in modern music. It has remained a professional standard for guitarists and keyboard players seeking pristine stereo output and reliable performance.
Market
Current market prices range from $1,241.99 to $1,399.00. Some units have had input jacks replaced due to durability issues, indicating a known service point for vintage models.
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