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Roland GR20 Guitar Synthesizer

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Product Description

The Roland GR-20 S offers a new digital pitch detection technology - and a whole new low price! You select sounds by category (Strings, Organ, Synth, etc.) and then select your favorite variation. The GR20 sounds great and tracks faster and more accurately than any of its predecessors. Editing is not as deep as the GR33 (which offers more individualized control over each string) but you do get some easy to use parameters with Attack, Release, Chorus, and Delay/Reverb knobs. A new streamlined profile invites you to place the GR20 next to your GT6 and use Patch Link to line up your sounds. With the GR20, it’s easy to tap into the power of guitar synthesis. The GRT20 is compatible with all GK-series Divided Pickups, including the fantastic new GK3 (not included).

Ever wanted to thicken up your guitar sound with a warm synth pad? Or how about a screaming lead sound that puts you in front? The GR-20 Guitar Synthesizer makes playing high-quality synthesizer and instrument sounds from your guitar as simple as 1-2-3. First, attach the GK-3 Divided Pickup (not included) to your steel-stringed electric (no drilling necessary). Second, select the type of sound you want using the Bank knob. Third, choose a sound variation using the Number/Value dial and start playing.

Roland GR-20 S Features

  • Affordable guitar synthesizer with new sounds and easy interface
  • Easy to use: select a sound category (Strings, Organ, Synth, etc.) and play!
  • Quick editing via Attack, Release, Chorus, and Delay/Reverb knobs
  • Digital pitch detection for lightning-fast tracking
  • Includes Roland’s latest sounds like sax, strings, flute, brass, bass and percussion loops
  • Optional GK-3 mounts easily on any steel-stringed electric without damage to guitar
  • GK-3 features an adjustable curve design and pickup cable length, plus an attachment plate for Les Paul-type guitars
  • Patch Link enables easy connection with MIDI-capable multi-effects like GT-6
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Guitar Synth, or Compact Pedal?
With the GR-20 it feels like both.

Roland’s Finest Sounds with Exceptional Tracking
At the heart of the GR-20 is an advanced sound engine based on Roland’s professional synthesizers. Sounds can be played with up to 48-voice polyphony for full, rich-sounding Patches. And the sounds are equally impressive. From expressive string ensembles to spiritual tabla loops coupled with sitar—all with adjustable attack and release—there’s no limit to what you can do. Sophisticated DSP makes the GR-20’s pitch detection ultra-reliable, so you can strum with confidence.

Take Your Guitar Playing Further
Want to create a sound that’s all your own? Try blending the natural sound of your guitar pickups with the GR-20. Thankfully, the GK-3 Divided Pickup makes this easy via a larger and smoother GK knob. Imagine playing chords and then slowly fading in a swirling, breathy pad to create intensity. Or how about playing a distorted lead on your guitar with a thick synth lead sound? Now take this a step further with the GR-20’s Patch Link function. This allows you to easily assign GR-20 Patches to match effect Patches in MIDI-capable processors like the BOSS GT-6. It’s the ultimate system for serious guitarists.

About the New GK-3 Divided Pickup (not included)
The GK-3 is 30 percent thinner than its predecessor, and it now uses a 1/4-inch jack for normal guitar input. The pickup includes an adjustable curve design to keep an even distance between the strings for better response (the pickup cable length is also adjustable). Owners of Les Paul-type guitars can install the GK-3 safely without drilling using a special attachment plate included in the box.

Product Specifications

Roland GR-20 S Specifications

  • Sound Generator: 1 part
  • Maximum Polyphony: 48 voices
  • Patches:
    • User: 99
    • Preset: Over 450
  • Display: 7 segments, 2 characters (LED)
  • Effects: MULTI-FX (40 types: included in the patches), Chorus, Delay/Reverb
  • Connectors/Jacks: GK IN, GUITAR OUT, MIX IN L, MIX IN R (MONO), OUTPUT L (PHONES), OUTPUT R (MONO), MIDI IN, MIDI OUT, AC IN
  • Power Supply: AC 14 V (AC Adaptor)
  • Current Draw: 600 mA
  • Dimensions: 313.8 (W) x 244.9 (D) x 63.1 (H) mm / 12-3/8 (W) x 9-11/16 (D) x 2-1/2 (H) inches, Maximum height: 313.8 (W) x 244.9 (D) x 97.5 (H) mm / 12-3/8 (W) x 9-11/16 (D) x 3-7/8 (H) inches
  • Weight: 1.7 kg / 3 lbs 12 oz (excluding the AC Adaptor)
  • Accessories: Owner's Manual, AC Adaptor BRC series, GK Cable (5 m)
  • Options: Divided Pickup (GK-3), GK Cable: GKC-3 (3 m), GKC-5 (5 m), GKC-10 (10 m), Unit Selector: US-20, GK Parallel Box: GKP-4
* The specifications are subject to change without notice.



Helpful Info about the Manufacturer
Phone:  (323) 890-3700 Warranty:  M.I. Products: 1 year parts, 90 days labor
Instrument Amps: 3 years (1 year on speakers) parts, 2 years labor
Rackmount Power Amps & EQs: 3 years parts & labor
BOSS Compact Pedals: 5 years parts, 90 days labor
BOSS (other): 1 year parts, 90 days. labor
ep, MT, TL, E-Series: 1 year parts, 90 days labor
CPM-300 Powered Mixer: 3 years parts, 3 years labor
AC Adapters, Mech, Footswitches, Headsets: 90 days parts, 90 days labor
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