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2019 GSRM20L BK 1P 02
GSRM20L Black (more images) Red copyright sprite

The GSRM20L is a left-handed, short scale Soundgear series solid body electric bass model introduced by Ibanez in mid 2010 as part of the entry level GIO line. Initial production was in China, but starting in 2012 simultaneous production began in Indonesia; Chinese production stopped after 2013. Minor differences between the Chinese and Indonesian models are noted below.

The GSRM20 features a double-cutaway mahogany body bolted to a 28.6" scale maple neck with a 22-fret rosewood fingerboard with white dot position markers. Components include a pair of Ibanez Powersound pickups with a jazz pickup at the bridge and a precision pickup at the neck, a B10 bridge with 19mm string spacing, a plastic nut and Ibanez tuning machines.

Several different woods have been used for the body material including basswood, poplar and agathis. For 2017 the Powersound pickups were replaced with Dynamix. For 2018 the rosewood fingerboard was replaced with treated New Zealand pine or jatoba. For 2019 the fretboard material was changed to jatoba.

The GSRM20 is a right-handed version.

Specifications[]

Specifications for GSRM20L
Model name: GSRM20L
Year(s) offered: 2010–2024
Sold in: Europe 2018–2019, 2021 / USA
Made in: China (2010–2013)/ Indonesia (2012–2023)
Price: MSRP: US$285.70 (2010)[1]
Finish(es): Black (BK)
Body
Body type:
Solid body
Body material:
2010–2012: Basswood
2013–2014: Agathis
2015–2018: Mahogany
2019–2024: Poplar
Neck joint:
AANJ
Bridge:
B10 (19mm string spacing)
Knob style:
Plastic
Hardware color:
Chrome
Neck
Neck type:
2010–2013 MIC: GSRM4 (China)
2012–202 MII: GSRM4 (Indonesia)
Neck material:
1-piece maple
Scale length:
726mm / 28.6"
Fingerboard material:
2010–2017: Rosewood
2018: Treated New Zealand pine or Jatoba
2019–2024: Jatoba
Fingerboard inlays:
White dot
Frets:
22 / medium nickel silver
Nut:
Plastic (38mm)
Machine heads:
Ibanez die-cast
Electronics/ Strings
Pickup configuration:
JP
Bridge pickup:
2010–2014:Ibanez Powersound J bridge (J) passive
2015–2018: Ibanez Dynamix J bridge (J) passive
2019–2024 : Standard (J)
Neck pickup:
2010–2014:Ibanez Powersound P neck (P) passive
2015–2018: Ibanez Dynamix P neck (P) passive
2019–2024 : Standard (P)
Controls:
Two volumes / Master tone
Output jack:
¼" stereo barrel (side mounted)
String gauge (factory):
.045/.065/.085/.105
Factory tuning:
1G,2D,3A,4E (E standard)

Images[]

Additional details
Controls 2VT GSR
Controls layout
GSRM20 size comparison
Comparison between miKro and full-size bass

Sources[]

  • GSRM20L MII product page, Ibanez USA, archived August 2012
  • GSRM20L product page, Ibanez USA, archived March 2015
  • GSRM20L product page, Ibanez USA, archived October 2019
  • GSRM20L product page, Ibanez USA, archived January 2020
  • GSRM20L product page, Ibanez USA, archived January 2021
  • 2021 Europe catalog (p. 106)
  • GSRM20L product page, Ibanez USA, archived June 2022
  • GSRM20L product page, Ibanez USA, archived January 2023
  • GSRM20L product page, Ibanez USA, archived January 2024
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