What year is my red epiphone special sg serial number su05050480

Question edited for clarity.

Check out the links

Epiphone Guitar/Mandolin Serial Number Decoder - GuitarInsite

https://www.guitarinsite.nl > serienummers-epiphone_eng
Five digit serial numbers. Five digits with a space after the first digit and custom shop on the back of the headstock, applied from 1990 to 1999. The first ...
11: Qingdao
15: Qingdao (electric)
12: DeaWon or Unsung
23: Samick

How To Verify Authentic Gibson Serial Numbers - Epiphone

https://www.epiphone.com > en-US > Support > Serial-...
The 1st digit indicates the year of manufacture for the 4 & 5 digit serial numbers, these were used from 1989-1999. The 1st and 2nd indicate the year of ...

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Epiphone Serial Number Decoder - The Guitar Dater Project

https://www.guitardaterproject.org > epiphone
The Epiphone serial number decoder currently supports 12 serial number formats from 25 factories. Vintage numbers from 1932 to 1970 are supported.
https://www.google.com/search?q=epiphone+special+custom+shop

..

That would appear to be made in Sept 2014, in China. However the serial number does not give the model of guitar. Epiphones of that year sell on a wide range of prices $300-700.

Consult a expert locally on this, this site doesn't really have this kind of information.

hi!
Thre serial doesn't seem to fit any of the common schemes. Please double check that it's correct, and see if there is a letter associated with it as well.
That said, the bolt on neck Epiphone Special instruments are made in China.

Vintage numbers from 1932 to 1970 are now supported. Serial numbers from 70' and 80's era Epiphone guitars made in Japan are not supported. The reason for this is that there is no reliable documentation from this time period. This Module has been updated to work with the newer serial number formats.


Supported Brands

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guitar was made in 
Korea
November c.2010

http://www.guitardaterproject.org/epiphone.aspx

hope this helps?

Gibson 1961-1969 Custom SG reissues since 1997
YYRRRM
Y is the production year
RRR(R) indicates the guitar's place in production for that year.
M is the model being reissued
Reissue model codes:
1= SG Custom and Special
2= SG Standard
3= 1963 Firebird 1
4= 1964 Firebird III
5= 1965 Firebird V & VII
8= 1968 Les Paul Custom
So I think 737582 would mean the guitar was the 758th Custom SG Standard built in 1973. See this... http://www.gibson.com/en-us/Support/SerialNumberSearch/Default.aspx

You should ask Epiphone as they would have the best info.

Epiphone Talk 2 Us

Go to guitarelectronics.com they have wiring diagrams for your guitar there.

You mention an "arm" but the websites do not show any "arm" on the SG specials... If you mean a bender arm, your guitar has probably been modified and maybe done so incorrectely. The problem sounds like one of "intonation" which has to do with the lengthwise positions of the saddles at the bottom although a hallf tone is a lot to be in error from this. Watch videos on YouTube about guotar setup or take iit to a guitar shop to have it setup correctly. You can DIY this.

For one volume and tone pot, it would be like this

http://www.guitar-mod.com/wiring/LP_junior.gif

All the earths have to eventually terminate on the earth of the cord.