- Martin Sigma Guitar Serial Number Lookup
- Sigma Guitar Serial Number Lookup
- Sigma Guitar Serial Number Lookup
- Sigma Guitars Serial Numbers Year
- Can I use USB Dock with all SIGMA lenses? USB Dock is dedicated only for lenses from SIGMA's three new product lines (Contemporary, Art and Sports). * DN lenses are not compatible (as of April, 2013).
- I have SIGMA lenses with mounts for more than two camera manufacturers. Can we use a USB Dock for all mounts ? USB Dock can be used by attaching it to a lens mount, therefore, each USB Dock is dedicated only for a particular mount. Please note, USB Dock does not operate with commercially available mount conversion adapter.
- I heard that I need a computer to operate USB Dock. Can I use any computer? To use USB Dock, the dedicated software “SIGMA Optimization Pro” is required. In order to operate the software, your computer needs the following operation environment.
- Can I operate more than two USB Docks using a computer simultaneously ? In order to avoid any malfunction problem, please operate one USB Dock per computer.
- How can I obtain the dedicated software “SIGMA Optimization Pro” ? Please follow the steps on SIGMA Corporation's website, and download the installer program.
- How can I use USB Dock? Please attach a USB Dock to your lens' mount part, just like you attach your camera to the lens. Please use the supplied USB Cable and connect to a computer which has the dedicated software “SIGMA Optimization Pro” installed. For further information on how to operate the product, please refer instruction manual of “SIGMA Optimization Pro”.
- Can I use a USB Dock with more than two computers ? As long as the computers have the dedicated software “SIGMA Optimization Pro” installed and have an internet connection, you can change your computer and still operate in the same environment (excluding history of connected lens feature).
- Where can I find the instruction of “SIGMA Optimization Pro” ? Once you operate the software, you can find “Help” in the menu bar. When you click it, a PDF instruction of “Help of SIGMA Optimization Pro” appears.
- How can I customize the focus setting of my lens ? In “SIGMA Optimization Pro”, please select the cell covering the focus range you would like to customize. You can change the setting by clicking ◄ ► in the spin box. Moving towards the “–” end, you can set the focusing position in front, and towards the “+” end slides it to the back. After the customization, please take some test shots and re-adjust it with the software if necessary.
- Is it essential to customize the focus setting of the lens ? Not necessarily. The goal of the USB Dock customization is to meet each customer's demand. Window sticker price by vin. Please use it depending on your shooting preference.
- If my lens was previously customized by a SIGMA Service Center, does SIGMA Optimization Pro reset the adjustment of the product ? In that case, if you select 'Reset all customization to default' in the SIGMA Optimization Pro, it goes back to the setting adjusted by the customer support team, not to the default setting.
- I have 2 pieces of 1 lens. Can the software recognize each product ? It is possible as the USB Dock recognizes the serial number of products. Even though you have 2 pieces of 1 lens, the software will not mix up the lens information and each customization.
- Does the software offer off-line operation? Firmware updating and the lenses connected to the USB Dock for the first time require internet access. If the lens appears in the History of connected lens window, it is possible to customize it off-line.
- I need further information about how to use this software. For more detailed information or any issue related with USB Dock, please contact your nearest SIGMA authorized service station.
- In that case, if you select 'Reset all customization to default' in the SIGMA Optimization Pro, it goes back to the setting adjusted by the customer support team, not to the default setting. I have 2 pieces of 1 lens. Can the software recognize each product? It is possible as the USB Dock recognizes the serial number.
- Inspect the guitar’s body for brand markings and serial numbers. Check hollow body models for a label inside the soundbox that can be viewed and read through the sound hole(s), or numbers engraved on the neck, head or fingerboard. Look on the head and back of the guitar for electric models which often have an engraved plate.
- Sigma-Martin USA guitars built in 1981 and 1982 only, had specifically assigned serial numbers ranging from 900,001 to 902,908 (2,908 in total.) These serial numbers are documented by C.F. And to this day remain the only Sigma related serial numbers that are publicly available.
- I was sure that my Sigma DR-41 was made in 1982 since the serial number starts with E82 but since this Sigma DR-35’s serial number also starts with E82 and came with a receipt that proves that it was sold in September 1980 it must have been made that year, or earlier.
Sigma guitars. Guitar maker Martin, based in Pennsylvania, created a line of inexpensive guitars in 1970 to compete with the increasing number of imported guitars from Japan and elsewhere.The result was Sigma Guitar. The line was discontinued in 2007. Brand then purchase by German Co (Made in China) but cannot be sold in US under this name.
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History
Initial construction was in Japan by various manufacturers/factories from 1970 through 1983.
The first Sigmas were typically dreadnought acoustics, although Grand Concert Series (GCS) and classical models were also produced from the early 1970s (1971) onward. Dreadnought models DM-5 and DR-7 are the most common early Sigma guitars until the late '70's. D for dreadnought, R for rosewood, M for mahogany and the number denoting the grade of wood, 5, 7, 9, 11, 15.
Martin Sigma Guitar Serial Number Lookup
Construction moved from Japan (1970–83), to Korea (1984-93/94), and finally Taiwan (1993–2007).
In 1980, 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. The DM-5 and DR-7, as well as other early models continued to be built during this time as well.
Headstock Logos
Sigma guitars made in Japan from 1970 through 1983.
- The early 70s models (1970 -1975) can be distinguished by a headstock logo consisting of the single word SIGMA surmounted with the Σ symbol (the Greek letter sigma), in mother of pearl. The sigma symbol is often described as a 'sideways M.'
Interestingly, while playing a Sigma guitar the 'sideways M' becomes 'right side up' suggesting 'M' for Martin.
- 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. 1970' underneath in a smaller block font.
- As is tradition in classical instruments, Sigma classical guitars do not have the headstock logo, and one must rely on the inner label for identification.
Labels and Brands
- Sigma's made in Japan from 1970 through 1979 used a paper label to identify the model and serial number of the instrument. The earliest examples had a plain black on white inner paper label giving the model and serial numbers. Later one's (c1972 onward) had white labels that had gold lettering with a border, often reddish-brown or purple in color. All other text was printed in black ink, or stamped on in ink by the manufacturer (model and serial numbers.)
- From 1980 through 1983, the end of Japanese production, the back center brace is pressure stamped, or 'branded' in a football shape stating Sigma Guitars/Made in Japan/For/C.F. Martin & Co. followed by an ink stamp of the model number, and prefixed by the serial number assigned to the instrument. (e.g. L-R as seen through the sound hole: Serial number, 'Brand,' Model number.)
- Early Korean made guitars show this same brand, only Made in Korea in place of Japan
Serial Numbers
Sigma serial numbers do not provide an indicator of the year in which a particular model was built. This may be due to them being built in several Japanese factories at the same time with no coordination in the serial numbering system. However, while some models lasted the entire run from 1970 through 1983, others did not and were only offered for a limited number of years, so that most models' construction dates can be narrowed down to a reasonable range.
- For example, serial numbers on the earliest DR-7's start with 4 digit numbers on through 5 digit numbers. One Sigma DR-7 owner stated 'I have an old Sigma DR-7 Guitar..s/n 6860. I bought it new in 1970.' Further, DR-7's with a four digit ink stamped label serial number and a zero fret strongly suggests a very early build date.
Some early 70s Sigma guitar serial numbers started with 7* suggesting the 197* build date (e.g. 75XXXXXX possibly equates to a build year 1975.) It is widely assumed by owners and Sigma historians that this is correct, though C.F. Martin cannot, or will not confirm this.
'Sigma-Martin USA' guitars built in 1981 and 1982 had serial numbers 900,001 to 902,908. These instruments were constructed using preformed and sometimes partially assembled imported parts, built or completed in the C.F. Martin factory in Nazareth, Pa alongside the regular production line
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. 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.
Sigma Guitar Serial Number Lookup
In 1980 the paper labels were discontinued and the inner back brace was 'branded.' With the move of production to Korea in 1984, paper labels, this time with a fancy border, were reinstated, although some early 1984 models still retained the back center brace stamping.
Sigma identified their dreadnought and grand concert guitars as 'Second Generation' when the headstock design changed to utilize a gold decal stating 'Sigma Guitars' in script with 'Est. 1970' underneath in a smaller block font, in the familiar Martin headstock decal form. This may have been as early as 1976.
- re: My own first Sigma, a DM12-5, which I purchased new in mid-1977 (I still have the receipt) had this second gen 'Martin style' decal logo. It being a smaller, local store, the instrument may have been sitting there for a while before I acquired it. While I cannot be absolutely certain of the year it was manufactured, it was certainly by, or prior to 1977.
High end models such as the D-10 Anniversary model have the 'Second Generation' logo inlaid in the headstock using mother of pearl.
Guitars made in Taiwan have a different headstock decal: 'Sigma Guitars' on top with a miniature version of the 'C.F. Martin & Co.' logo underneath. Some of these guitars also had the 'Est 1970' instead of the C.F. Martin & Co.,' but in a slightly different block font (fatter/wider) from the original 2nd gen instruments. The paper labels for model/serial number identification had also changed again, this time with a fancy border and the word 'Sigma' or 'Sigma Guitars' in gold ink.
The issue of whether or not Sigma guitars are solid wood or laminate wood has been a source of controversy and confusion for many years now. This is understandable since the Martin customer service department now responds to individual inquiries stating 'all' Sigma's had laminate back/sides with solid tops, while Sigma catalogs from the early 70s list the back/side wood as solid.
To complicate matters further, in the 70's Sigma produced a line of guitars clearly identified by Martin, at that time, as having laminate backs and sides: model numbers starting with 52S, e.g., 52SDM-5, 52SDR-7 and 52SGCS-7.
- The answer to the question 'Are Sigma guitars solid wood or laminate?' is best answered 'That depends on the year and model.' It is safest to assume that the Sigma in your hand is made of laminate sides and back, however it has also been said that some of the earliest Sigma's were made completely of solid woods.
Later first and second generation Sigma guitars were clearly made of laminate wood for the back and sides, with the exception of several Limited Edition models, such as the D-10 Anniversary guitar.
Other Sigma instruments included mandolins, banjos, acoustic and electric basses and solid body and hollow body electric guitars. Some solid body electric guitars were made by Tokai Guitars Company, LTD.
After Sigma musical instruments were built in Japan, Korea, and Taiwan, they were sent to Martin & Co. in Nazareth, Pennsylvania to be inspected and adjusted by Martin personnel before going to an authorized retail store for sale to the public. These inspections and adjustments were made in the 'old' Martin building on North St.(c1865,) then known as the Import house.
The DR-28 was manufactured in Japan, Korea and Taiwan while the SDR-28 and the SDR-28H appear to have been manufactured in Korea and Taiwan only, starting in early 1984. The DR-28 was of a solid Spruce top with laminated Rosewood sides and back while the SDR-28 and SDR-28H was made with a solid Spruce top and solid Rosewood sides and back. 'I have to disagree with the statement that the SDR-28 is made of solid rosewood back and sides as I have 2 of these models both made in Korea and neither have solid back and sides, now I may have just bought ones with a fluke involved but I just thought that it should be noted here!! I entered this information once before but someone deleted it! why? I don't know, but I will see how long it last's this time.If sterling Wood can cite his experiences with Sigma guitars the so should I as I have owned 20 plus Sigmas and still own 5 to this day sincerely, Kevin' The DR-28 and SDR-28 and SDR-28H are clones to the original Martin D-28 and HD-28 guitars and are high quality instruments.
Sigma Guitar Serial Number Lookup
- It has been suggested that these SDR branded instruments were the precursor, or pilot program for what has now become C.F. Martins own in-house, less expensive, 'X' series of laminated wood guitars.
Sigma also made a DR-28SC model manufactured in Japan and an SDR-28SC model made in Korea. SC stands for (Sunburst Color)
Sigma Guitars Serial Numbers Year
In 2011 the German company 'AMI Musical Instruments GmbH' launched the Sigma Name/Guitars again. These guitars are all currently being produced in China. There is little known about these instruments at this time.