mine is about a 1981 model .....dr-7....i understand the ones made in korea are the better ones. mine is about a 1981 model .....dr-7....i understand the ones made in korea are the better ones. mine is about a 1981 model .....dr-7....i understand the ones made in korea are the better ones. I HAVE THE SIGMA WARRANTY REGISTRATION ALL THENAMES AND DATES ON IT AND WOULD BE INTERESTED IN SELLING IT , IF YOU ARE INTERESTED EMAIL ME BACK, ARE KNOW OF ANYONE LOOKING FOR A GUITAR THAT LOOKS LIKE IT JUST COME OFF THE RACK IN STORE EMAIL ME got a sigma dm2 i've had for years but needs some work. It sounds great and I would like to know the exact date of production. Dieter THI GUITAR IS LIKE NEW THIS GUITAR WAS BOUGHT BY BILLY CRASH CRADDOCK.

sigma guitar serial number dating-51

For example, serial numbers on the earliest DR-7's began using 4 digit numbers on through 5 digit numbers, with some early 70's models (c1972-c1975) along the way with the unusual 7*0XXXXX, 8-digit system. Adjustable rosewood bridge to approximately 1975, non-adjustable thereafter.

(See below for that explanation.) Some early 70s Sigma guitar serial numbers (c1972-1975) began with 7X0 suggesting the 197X build date (e.g. White binding on body (w/b/w/b/w.) "Ebonized" (blackened) Rosewood Bridge and fingerboard on some, natural rosewood on others.

: Got an old Sigma-Mod 52sdr7 ser.12674 : Any info? : : Got an old Sigma-Mod 52sdr7 ser.12674 : : Any info? : : : Got an old Sigma-Mod 52sdr7 ser.12674 : : : Any info? i'd like to have an idea on it before i try to fix it serial number is 87110807 on the paper tag in soundhole that also says c.f. it has the sigma guitars est.1970 logo on the info would be appreciated.

I really enjoyed this guitar until I got my swdgt martin, none the less my sigma is like new.... I really enjoyed this guitar until I got my swdgt martin, none the less my sigma is like new.... I really enjoyed this guitar until I got my swdgt martin, none the less my sigma is like new.... Went to the store to buy a D-28 that day, but the salesguy, much to his credit, encouraged me to play the Sigma and really compare the sounds. I have a few much more expensive guitars now, but the Sigma remains my all-time favorite for just hanging out with friends or composing. Hi, got an old Sigma Martin DM 12-4 guitar, made in Korea by Sigma guitars for C. a guy at a music shop said some of those sigmas could be worth a few hundred bucks.

The issue of whether or not Sigma guitars are solid wood or "plywood"laminate wood has been a source of controversy and confusion for many years now.

All known Sigma guitars have laminated sides and back wood. This is understandable since the Martin customer service department now responds to individual inquiries stating "all" Sigma's had laminate back/sides, while Sigma catalogs from the early 70s list the back/side wood as "Matched." (edit: "Matched" does not mean solid, but is a careful marketing nomenclature for laminate to confuse potential buyers.) In the 70's Sigma produced a line of guitars with model numbers starting with 52S, e.g., 52SDM-5, 52SDR-7 and 52SGCS-7.

prior to selling the brand to AMI, and had since been picked up by St. The sigma symbol is often described as a "sideways M."By the mid 1970's (c1976) the headstock logo design changed to utilize a gold "Martin style" decal stating "Sigma Guitars" in script with "Est. The headstock shape was also modified, to be more deeply tapered and shaped to resemble their Martin brethren. A Martin factory sales brochure shows the DR-28N retailed at 0.00 and the DR- 35N retailed at 0.00 The DR-35N had a 3-piece laminate rosewood back and sides and a solid spruce top. The peghead logo reads "Sigma Martin USA" and inside the sound box is on the neck block " made in USA" with Martin address etc.

The early 70s models (1970 -1975) can be distinguished by a more squared peghead, shaped similarly to that of a "spatula." The logo consisting of a gold decal with the single word in block lettering SIGMA surmounted with the Σ symbol (the Greek letter sigma), in mother of pearl. There were only two models, labeled "Sigma Martin USA DR-28N and DR-35N," "N" for Nazareth. The original factory brochure also states components were processed and finished on the same production line as regular Martins.

In 1978, model designations were added to capitalize on Martin model numbers: the DM-18, DM-19, DR-28, DR-28H, DR-35, DR-41, and DR-45. Pegheads & Logos Sigma guitars made in Japan from 1970 through 1983. The affixed warranty card was amended to read..."Your D-10 '9' (or D-10 '8') is not warranted against cosmetic defects." In the years of 1981 & 1982, Martin imported partially assembled Sigma guitars from Japan and the assembly was completed in Nazareth, Pennsylvania.