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Kennzo5150
Username: Kennzo5150

Registered: 12-2006
Posted on Wednesday, December 20, 2006 - 9:08 pm:   

i have an ibanez destroyer, no serial # inked on back of headstock. there is a # on the last fret (z90). tone pot #504042,vol pots #504072. any help in dating her?
Johns
Username: Johns

Registered: 02-2001
Posted on Thursday, December 21, 2006 - 1:54 pm:   

Kennzo5150:

Other guitars from pre-serial number days have shown up with fretboard stamps. It appears to be an early start at numbering the guitars.

Here's a link to a thread that sheds some light on the mystery:

http://www.ibanezcollectors.com/cgi-bin/discus/show.cgi?tpc=2632&post=5358#POST5 358

Officially, no one has owned up to these guitars being prototypes or supplied for endorser/artists.

Hey, how about posting some pictures of your destroyer?
Gemberbier
Username: Gemberbier

Registered: 05-2006
Posted on Friday, December 22, 2006 - 4:32 pm:   

tone pot #504042,
volume pots #504072
That's standard Noble potentiometer numbering and has nothing to do with the exact age of the potentiometers. These numbers just say which one's 500K linear and which one's a 500K logarithmic pot.

Z90 stamped into the fretboard seems to mean something, but what exactly is not entirely clear.
We see 2 Y..(..) numbers stamped in fretboards, and now this second Z.. number.

If we look at the picture after clicking the link Johns gave us,

Y12
Y13
Z06


Has Y something to do with this statement (also in a Captain Ibanez thread about serial numbers):
Y = Yoojin http://www.yoojin.com/index.html
If you read their website, you see they built guitars from 1973.

Then we find in the same thread:
Z=Yeou Chern Factory http://www.jandd-guitars.com/index-1.htm
which is a factory on Formosa (Taiwan).

What I know about Taiwan, is that the top model jazz guitar of YAMAHA, the AE2000, was built on Formosa (in Taiwan) there after a Japanese production period. It was a very limited production. A friend of mine had both, the Japanese and the Taiwanese guitar. The Taiwanese was a pretty good replica of the Japanese original. So, I wouldn't be surprised when this same factory's master luthier built limited editions of Ibanez and Yamaha.


What about 19790 in the same picture?
Is the first character really a 1?
Or is it an I? (Iida?)

The Iida production of solid bodies was higher, which would explain the higher number.

OK, so letters for factories, that's hypothesis number one. Shoot at will.


The other, second possibility: digits and letters on the first position for the month, like in the same Serial Number thread:
1=Jan
2=Feb
3=Mar
4=Apr
5=May
6=Jun
7=July
8=Aug
9=Sep
X=Oct
Y=Nov
Z=Dec

OK, we've got a few Y's a few Z's and a 1.
Let's find an X and the other digits in fretboard stamps.

Shoot at will, with rational arguments.

If these two hypotheses have been proven false, look for the system in this matter and write down a third, or fourth... or ....


As always, I'd like to get to the bottom of this.


Ginger
Kennzo5150
Username: Kennzo5150

Registered: 12-2006
Posted on Friday, December 22, 2006 - 6:22 pm:   

i think that helped a bit,i bought my guitar off of e-bay 2-3yrs ago. i think i paid $699-$799 u.s. it was buy it now , i didn't hesitate ( always wanted one) it came from nashville, tenn.not exactly sure if it was ever on a album or celebrity owned,but it was played (nicks ,dings buckle rash) but not too rough. i thought the price was o.k. for the condition. i wanted one i didn't have too baby and that i could play (not a case queen).kinda in the process of changing out parts but will post pics when she is all gussied up! and yes i am keeping all originall parts. don't worry she has a good home!
Gemberbier
Username: Gemberbier

Registered: 05-2006
Posted on Saturday, December 23, 2006 - 9:28 am:   

I'm going to take the first shot at my 2nd hypothesis:

I just found an early AM50 in my downloads.
The ad with picture and serial number is from May 2006. The serial number is Y00909180.
So that's a nine character serial number. That's typical for Korean serial numbers. It was offered as an ARTSTAR.
So Y00909180 would mean: Yoojin 1990 September production number 9180.

It has Super 58's pick-ups with early 80's 3 screw suspensions, just like my 1983 AM50. All parts are the same as on my guitar, as far as I can see, including the tuners, bridge, tailpiece, sure grip knobs.

Now my AM50 has a Made in Japan sticker. And it is an ARTIST.

So I think, it is likely that they did two things to keep it possible to produce this model with the same or better price/quality ratio: they moved the production to Yoojin, (I think that must have been in 1987 or so, when the production of the high end hollow- and semi-hollow bodies was moved to Terada), and the called them ARTSTARS instead of ARTISTS.

But: this one's a NINE character serial number.
What about numbers with only TWO digits? Do they fit in?
It is possible that lower numbers with only TWO digits for example indicate limited production, or prototypes.

If 1st hypothesis is correct, there would be no connection to the list of serial numbers without a letter Johns once stated. So solving two problems with one hypothesis is not going to work. (Would have been nice).

At this moment, I'd say these letters are factory indicators.


Ginger
Captainibanez
Username: Captainibanez

Registered: 01-2004
Posted on Saturday, December 23, 2006 - 3:46 pm:   

Guy's if there is no serial number on the guitar, then it's built prior to Sept 1975.Pot numbers are no answer to determining a build date. Sometimes on rare occasions you may find a number in the control cavity area on set neck models but it's rare. As far as z90 goes, that may have been for insurance purposes not for prototype i.d.'s.

Captain Ibanez :-)

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