There were also classical guitars in the C (Classical) series. Sigma built the GCS (Grand Concert Series) to Martin's 000 body specifications. Some GCR-6 triple 000 and OM Series were built in Japan also. The first Sigma's were dreadnought acoustics, DR-1 through DR-7 (D for dreadnought and R for rosewood and the number denoting the grade, 7 being the top grade instrument). Initial construction was in Japan, and those from 1970 to approximately 1978 were of solid high grade tonewood (top, sides and back) but from then onwards changed to laminated construction for the back and sides. The following is from Wikipedia: In 1970, guitar maker created a line of inexpensive guitars to compete with the increasing number of imported guitars from Japan and elsewhere. Bottomline: like a box of chocolates, with Sigmas you never know what you're going to get, so try before you buy. Except for a select few, I believe all Sigmas were produced in either Japan or Korea (rumor had it that they were all sent to Nazareth for assembly at the factory), and it's impossible to date them by means of their serial numbers since they are not numerically chronological. 81xxxxxx.) since we know these instruments were manufactured from 1984 through 2007 in these two countries, it is safe to assume that a serial number beginning with 81xxxxxx was not produced in 1981. Serial numbers for sigma guitars built in korea and taiwan are perhaps meaningless, though again some seem to indicate the year of manufacture (e.g. However, the modifications I've made have improved them substantially. Sigma Guitar Serial Number Check Xmbrown. I have yet to hear of one that came close to its Martin counterpart. Most if not all Sigmas are laminates and vary widely in sound and tone, from awful to not bad. Hi Joe, I have two used Sigmas, a DM3 and DM4 for about $120 each three years ago, which I designate as my 'beaters,' and I also use them to try out various modifications before applying them to my 'real' guitars. Are they all laminate? Solid tops maybe?Īre they worth even considering? The asking price is only a few hundred $, so I though they would be worth investigating. Can anyone enlighten me on these?ĭownload Song Piya Re Piya Re Thare Bina. I don't know anything about these guitars except they were made by/for Martin, I think in Korea.

Don't want to open a can of worms, but I have been looking for an inexpensive 12 string and I ran across (on line) a Sigma. Hello, I thought I would post this under Guitar Critics Corner because these are not 'real' Martins. I have one guitar sigma c.f martin se 40tb serial no. I have a beautiful Sigma DR-35, with two internal numbers, one on the block. * Serial numbers 900,001 to 902,908 were used on Sigma. What Year Was My Martin Guitar Built? Serial Numbers Used To Date Martin Guitars. Serial numbers for Sigma guitars built in South Korea, Taiwan and Indonesia are perhaps even more meaningless, though again some seem to indicate the year of. It also says 'Sigma Guitars made in Korea for C.F.

Sigma guitars serial numbers