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Sigma Guitars BMC-15FE Acoustic 4-String Fretless Bass

Item: BAS0008388-000
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Stage-suited fretless four-string instrument The Sigma BMC-15FE is a fully stage-ready acoustic four-string with fretless...  All product info

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SIGMA BMC-15FE Acoustic Fretless Fourstring Bass


Stage-suited fretless four-string instrument

The Sigma BMC-15FE is a fully stage-ready acoustic four-string with fretless fretboard and excellent sound, which convinces with its amazingly good price/performance ratio.

Combining a large dreadnought body and fretless fretboard, the BMC-15FE delivers singing sound with soft attack, which is given a characteristic warmth by the use of mahogany. The solid ceiling promises a lively dynamic that follows every nuance of the game and thus enables expressive playing for grooving accompaniments or virtuoso solos.

Fishman's integrated pickup system makes it easy to remove the bass for amplification on stage or for recording. The Isys+ system convinces with natural dynamics and warmth that authentically captures the sound of the bass. The preamp is equipped with a 2-band tone control for bass and treble to further adjust the sound, while the phase inversion switch helps to suppress any feedback or boom frequencies that may occur. In addition, the integrated tuner ensures fast and precise tuning during breaks in the game.


  • Four-string fretless acoustic bass
  • Body shape: Dreadnought
  • Ceiling: mahogany, solid
  • Back & sides: Mahogany, laminated
  • Neck: Mahogany
  • Fretboard: rosewood, fretless
  • Fingerboard inlays: Fretlines and Side Dots
  • Frets: 23
  • Saddle: Bone
  • Saddle width: 1.58" (40,1 mm)
  • Scale: 34" (864 mm) Long scale
  • Bridge: rosewood
  • Bridge inlay: Bone
  • Pickup system: Fishman Isys+ with integrated tuner
  • Controls: Volume, Bass, Treble
  • Switch: Tuner On/Off, Phase
  • Mechanics: Die-Cast, chrome-plated
  • Finish: Natural, open-pored


  • Manufacturer: Sigma Guitars
  • Design: Jumbo Bass
  • Top: Mahogany
  • Solid Top: Yes
  • Back & Sides: Mahogany
  • Neck: Mahogany
  • Neck Construction: Set-in
  • Neck Lacquer: Matte
  • Fretboard: Rosewood
  • Fretboard Type: Fretless
  • Inlays: Dot
  • Nut type: Bone
  • Nut width in mm: 40.1
  • Scale: Longscale
  • Scale (inch): 34
  • Manufacturer pickups: Fishman
  • Pickup System: Isys+
  • Tuner: Yes
  • Number of Strings: 4
  • Tuners: Die-Cast
  • Hardware: Chrome
  • Colour: Natural
  • Finish: Open-pored
  • Case included: No
  • Gigbag included: No

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