Roland JC-120 Jazz Chorus (1975)
A stereo solid-state guitar amplifier, billed as the first to carry a chorus effect.
Overview
The Roland JC-120 Jazz Chorus is a stereo combo guitar amplifier introduced in 1975. It is a flagship of Roland’s lineup, known for its clean sound and its early use of chorus. It was designed for guitar, bass, and keyboard, and it pairs well with instruments like the Rhodes piano and effects like the Vox Tonelab. It has two channels, each putting out 60 watts of solid-state power, with built-in vibrato and reverb. Professionals have favored it 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 was the first amplifier to feature the chorus effect, in 1975. That effect quickly became a defining sound in modern music. Guitarists and keyboard players have kept using it as a professional standard for clean stereo output and reliable performance.
Market
Current market prices range from $1,241.99 to $1,399.00. Some units have had their input jacks replaced because of durability issues, so the jacks are a known service point on these amps.
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