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3850 - Red Roland FR-1XB Chromatic Button Accordion 62 72


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Brand: Roland
Model: FR-1XB
Type: Chromatic Button Accordion
Reeds: Fully Digital
Treble: 62 Keys, 9.5"(24cm) Key to Key
Bass: 72 Bass Buttons, 3 Registers
Weight: 14lbs / 6.4kg
Features: Lightweight digital accordion with built-in speaker, converts between various B and C system tablatures
Includes: Used Straps, Owner's Manual, AC Adapter, Spare Bass Buttons, 6 Month Store Warranty
Suggested Upgrades: New Straps, New Case, Spray Polish, Accordion Stand

Right hand
62 buttons velocity sensitive
Left hand
72 bass buttons velocity sensitive
Treble modes
C Griff Europe, C Griff 2, B Griff Bajan, B Griff Fin, D Griff 1, D Griff 2
Bass & Chord modes
2 Bs Rows, 3 Bs Rows A-7th, 3 Bs Rows A-5dim, 3 Bs Rows B-7th, 3 Bs Rows B-5dim, 3 Bs Rows Bx-7th , 3 Bs Rows Belgium
Free Bass modes
Minor 3rd (37 notes Eb-Eb), Bajan (37 notes D-D), Fifth (36 notes C-C), North Europe (37 notes D-C#), Finnish (37 notes D-D)
New pressure sensor for better sensitivity and Advanced Physical Behaviour Modelling such as detection of bellows opening/closing, Bellows Resistant Regulator wheel with fine adjustment
Bellows curve
Fixed Low, Fixed Med, Fixed High, X-Light, Light, Standard, Heavy, X-Heavy
Max. polyphony
128 voices
Tones (Accordion Set)
16 Accordion Sets (including 4 User Sets), each one including: 14 Treble registers, 7 Bass/Chord registers, 7 Free Bass registers, 7 Orchestra Free Bass registers, 7 Orchestra Bass registers, 7 Orchestra Chord registers
Reed Footages
7 Treble, 5 Bass, 3 Chord, 2 Free Bass
Additional sounds
Uploadable from USB memory and saved on 4 User sets
Orchestral sounds
Strings, JazzScat1, JazzDoos, Str&Choir, Twin Trump, Trombone, FrenchHorn, Brass, Flute1, Tenor Sax2, Clarinet, Oboe, Ac Piano, Ac Guitar, Mandolin, HarpsStr
Organ sounds
Jazz Slow/Fast, Latin Slow/Fast, HousPerc Slow/Fast, Theatre Slow/Fast
Orchestral Bass sounds
Acoustic, Fingered, Bowed, Jazz Pedal VTW, Tuba Mix, Tuba, Fretless
Orchestral Chord sounds
Strings, JazzDoos, Jazz VTW, R&B VTW, Steel Gtr, Ac Guitar, Ac Piano
Orchestral Free Bass sounds
Strings, JazzDoos, Jazz VTW, Clarinet, Ac Guitar, Ac Piano, Oboe
Stopping-reed growl, Closing valve noise, Left button noise
Individual Reed Simulation
Hysteresis threshold, Expression curve, Pressure variant filter, Pressure variant pitch deviation
Switching Reed Sound Wav
By bellows acceleration, by note repetition speed
Bellows opening/closing sound change
bellows opening/closing detection
Micro-Tuning Presets
16 Types: Off, Dry, Classic, F-Folk, American L/H, North Europe, German L/H, D-Folk L/H, Alpine, Italian L/H, French, Scottish
8 types, 8 types
Rotary for Organ sound
Knob controls & Registers
Volume, 4 x Treble/Orchestra/Organ + Set
Other switches
Drum On/Off, Orchestra On/Off, Organ On/Off, Free Bass On/Off, Orchestra Bass On/Off, Orchestra Chord/Free Bass On/Off, User Programs On/Off, Wave/MP3 player: Reset/Stop, Play/Pause, Power
User Programs
8 memories
Orchestra/Organ mode
Solo, Dual
Down, 0, Up for Treble, Orchestra/Organ
Bass&Chord with drum/percussion sounds
On/Off for Bass/Orch Bass 2 rows, Chord/Orchestra Chord 4 rows
Audio Player
mp3/Wave player from USB memory
Bass to Treble mode
7 segments, 3 characters (LED)
Rated Power Output
7 W x 2
9 cm x 2
Wave Expansion
2 internal areas (8 MB each) to load new sounds
Power supply
AC adaptor
Batteries (not included) AA-type rechargeable Ni-MH x 8
Expected battery life under continuous use
5-hours (speaker ON mode)
8-hours (speaker OFF mode)
*With using Ni-MH 2000mAh batteries
Onboard Connectors
OUTPUT jacks L/Mono (Treble), R/Mono (Bass): 1/4" phone type
PHONES jack: 1/4" phone type
MIDI OUT connector
USB MEMORY connector type A
USB COMPUTER connector type B
DC IN connector
Width (W)
380 mm
15 inches
Depth (D)
365 mm
14-3/8 inches
Height (H)
195 mm
7-11/16 inches
6.4 kg
14 lbs. 2 oz.
*Weight excluding straps and battery.
All specifications and appearances are subject to change.

Contact Info
  • Liberty Bellows LLC
  • 267-815-4407
  • 614 S. 2nd St.
    Philadelphia, PA 19147
    • Hours:
      Tues-Fri: 10:00 AM–6:00 PM EST
      Sat: 10:00 AM–3:00 PM
      Closed Sundays and Mondays
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