SIGMA CS-1
- classic style, spruce top, round soundhole, bound body, wooden inlay rosette, mahogany back/sides/neck, 20/19-fret ebonized fingerboard/tied bridge, 3-per-side chrome tuners, available in Antique Stain finish, disc. 1996.
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In 1970, the Martin Guitar Company expanded its product line by introducing the Sigma line. The instruments begin their assembly in Japan, and then were shipped to Martin's factory in Nazareth, PA where they performed final finishing and setup. While Sigma was generally recognized and advertised as being around consistently since 1970, it has not appeared on a consistent basis from Martin. The last line of Martin guitars was produced until circa 1996, and a new line was introduced in 2006 that was distributed by Musicorp. In 2013, St. Louis Music, Inc. announced that they were managing and distributing the Sigma Line.
Instruments currently produced in Asia. Distributed by St. Louis Music, Inc. in St. Louis, MO. Previously produced in Japan between 1970 and 1983, Korea between 1983 and 1993, and Taiwan between 1994 and 2007. Final finishing/inspection occured in Nazareth, PA at the Martin factory.
SIGMA Acoustic Guitars Models
SIGMA STB-M/E
- jumbo style, spruce top, round soundhole, tortoise pickguard, 5-stripe bound body/rosette, maple back/sides/neck, 15/21-fret ebonized fingerboard with pearl dot inlay, ebonized strings through bridge with pearl dot inlay, maple peghead ve...
SIGMA DM-1
- dreadnought style, laminated spruce top, round soundhole, bound body, three-stripe rosette, laminated mahogany back and sides, mahogany neck, 14/20-fret rosewood fingerboard with pearl dot inlay, three-per-side chrome tuners, rosewood bri...
SIGMA FD-16M
- folk style, spruce top, round soundhole, black pickguard, bound body, 3-stripe rosette, mahogany back/sides/neck, 14/20-fret ebonized fingerboard with pearl dot inlay, ebonized bridge with black pins, 3-per-side chrome tuners, available i...
SIGMA DR-2
- similar to DM-2, except has rosewood back/sides, ebonized fingerboard/bridge, disc. 1994.
SIGMA CS-1 ST
- classic style, solid spruce top, round soundhole, bound body, wood inlay rosette, mahogany back/sides/neck, 14/19-fret ebonized fingerboard, ebonized tied bridge, 3-per-side chrome tuners with nylon buttons, available in Natural finish, m...
SIGMA STB-R/E
- similar to STB-M, except has black pickguard, rosewood back/sides.
SIGMA DM-1 ST
- similar to the DM-1, except has a solid spruce top, available in Natural finish, mfg. 1994-2007.
SIGMA FDM-1
- similar to DM-1, except has folk style body, mfg. 1994-96.
SIGMA DR-4H
- similar to DM-4, except has tortoise pickguard, herringbone bound body/rosette, rosewood back/sides, available in Natural finish, disc.
SIGMA STB-M
- similar to STB-M/E, except has no acoustic pickup, 3-band EQ with volume control, mfg. 1994-96.
SIGMA GCS-1
- similar to DM-1, except has grand concert style body, disc. 1996.
SIGMA DR-28
- dreadnought style, solid spruce top, round soundhole, tortoiseshell pickguard, 3-stripe bound body/rosette, rosewood back/sides, mahogany neck, 14/20-fret ebonized fingerboard with pearl dot inlay, ebonized bridge with white abalone dot p...
SIGMA DM-1ST CE Cutaway Electric
- similar to the DM-1ST, except has a single cutaway and electronics, disc. 2007.
SIGMA CS-2
- classic style, spruce top, round soundhole, bound body, wooden inlay rosette, mahogany back/sides/neck, 20/19-fret ebonized fingerboard/tied bridge, 3-per-side chrome tuners, available in Natural finish, disc. 1994.
SIGMA CS-4
- classic style, spruce top, round soundhole, bound body, wooden inlay rosette, mahogany back/sides/neck, 12/19-fret rosewood fingerboard, rosewood tied bridge, rosewood peghead veneer, 3-per-side chrome tuners with pearl buttons, available...
SIGMA GCS-2
- similar to DM-2, except has grand concert style body, disc. 1994.
SIGMA DR-1 ST
- similar to DM-1 ST, except has rosewood back/sides, mfg. 1994-96.
SIGMA DR-28H
- similar to DR-28, except has herringbone bound body, pearl diamond fingerboard inlay, disc. 1996.
SIGMA DM12-1 ST 12-String
- similar to DM-1 ST, except in 12-string configuration and six-per-side tuners, mfg. 1994-96.
SIGMA CR-8
- classic style, solid spruce top, round soundhole, bound body, wooden inlay rosette, rosewood back/sides, mahogany neck, 12/19-fret ebonized fingerboard/tied bridge, 3-per-side gold tuners with pearl buttons, available in Natural finish, d...
SIGMA GCS-4
- grand concert style, spruce top, round soundhole, black pickguard, 5-stripe bound body/rosette, mahogany back/sides/neck, 14/20-fret ebonized fingerboard with pearl dot inlay, horizontal teardrop inlay at 12th fret, ebonized bridge with b...
SIGMA DR-35
- dreadnought style, solid spruce top, round soundhole, tortoiseshell pickguard, 5-stripe bound body/rosette, rosewood back/sides, mahogany neck, 14/20-fret bound ebonized fingerboard with pearl dot inlay, ebonized bridge with white abalone...
SIGMA DR-41
- dreadnought style, solid spruce top, round soundhole, pearloid bound body/rosette, rosewood back/sides, mahogany neck, 14/20-fret bound rosewood fingerboard with abalone hexagon inlay, bound rosewood veneered peghead with abalone logo inl...
SIGMA GCS-4C
- similar to GCS-4, except has single round cutaway, disc. 1994.
SIGMA DM-2
- dreadnought style, spruce top, round soundhole, tortoiseshell pickguard, 3-stripe bound body/rosette, mahogany back/sides/neck, 14/20-fret rosewood fingerboard with pearl dot inlay, rosewood bridge with black white dot pins, 3-per-side ch...
SIGMA GCS-4C/3B
- similar to GCS-4, except has single round cutaway, acoustic pickup, 3-band EQ with volume control, disc. 1994.
SIGMA DM-2E/WH
- similar to DM-2, except has ebonized fingerboard/bridge, acoustic pickup, 3-band EQ with volume control, available in White finish, disc. 1994.
SIGMA DR-45
- dreadnought style, solid spruce top, round soundhole, tortoiseshell pickguard, abalone bound body/rosette, rosewood back/sides, mahogany neck, 14/20-fret abalone bound rosewood fingerboard with abalone hexagon inlay, rosewood bridge with...
SIGMA DT-4N
- similar to DM-4, except has chestnut back/sides/peghead veneer, available in Violin finish, disc.
SIGMA 000-18M
- auditorium style, solid spruce top, round soundhole, tortoise pickguard, 3-stripe bound body, 5-stripe rosette, mahogany back/sides/neck, 14/20-fret ebonized fingerboard with pearl dot inlay, ebonized bridge with black white dot pins, ros...
SIGMA DM-4
- dreadnought style, spruce top, round soundhole, black pickguard, 3-stripe bound body/rosette, mahogany back/sides/neck, 14/20-fret ebonized fingerboard with pearl dot inlay, pearl horizontal teardrop inlay at 12th fret, ebonized bridge wi...
SIGMA DM-4C
- similar to DM-4, except has single round cutaway, mfg. 1994-96.
SIGMA DV-4
- similar to DM-4, except has ovangkol back/sides, available in Antique finish, disc. 1994.
SIGMA 000-18MC/3B
- similar to 000-18M, except has venetian cutaway, acoustic pickup, 3-band EQ with volume control, disc. 1994.
SIGMA SE-1
- single round cutaway folk style, spruce top, round soundhole, 3-stripe bound body/rosette, mahogany back/sides/neck, 22-fret bound ebonized fingerboard with pearl dot inlay, ebonized bridge with white black dot pins, rosewood peghead vene...
SIGMA DM-4CV
- similar to DM-4, except has venetian cutaway, available in Violin finish, disc.
SIGMA DM-4C/3B
- similar to DM-4, except has single round cutaway, acoustic pickup, 3-band EQ with volume control, available in Natural finish, disc. 1994.
SIGMA SE-18/2BC
- single round cutaway folk style, spruce top, round soundhole, 3-stripe bound body/rosette, mahogany back/sides/neck, 22-fret bound ebonized fingerboard with pearl dot inlay, ebonized bridge with white black dot pins, rosewood peghead vene...
SIGMA SE-18/3B
- similar to SE-18/2BC, except has 3-band EQ with volume control, available in Natural or Tobacco Sunburst finish, mfg. 1993-94.
SIGMA DM12-4
- similar to DM-4, except has 12 strings, 6-per-side tuners, mfg. 1994-96.
SIGMA TB-1
- single cutaway 000-sized auditorium body, laminated spruce top, laminated mahogany back and sides, body binding, three-ring rosette, mahogany neck, 18/20-fret rosewood fingerboard with dot inlay, three-per-side chrome tuners, rosewood bri...
SIGMA DM-18
- dreadnought style, solid spruce top, round soundhole, tortoise pickguard, 3-stripe bound body/rosette, mahogany back/sides/neck, 14/20-fret ebonized fingerboard with pearl dot inlay, ebonized bridge with black white dot pins, abalone logo...