Takamine Service & Repair Forum

This preamp was missing a pickup that plugged in behind the preamp with a RCA jack. It did however contain with it a 1/8th inch male to 1/4 inch female pigtail for the guitars input. I was curious as to where I might be able to find a wiring diagram for this and another Takamine Pre-amp I am currently working on. Its a Graph-EQ Pre-amp. It has a battery with an LED switch for batt check, a volume control, three band graphic equalizer and an extra fourth slider called an exciter. The other has in place of the exciter a volume gain slider and no knob at all. It seems as though the two units are not working correctly and I believe that it is due to somebody working on them prior to my obtaining them who didn\'t know what they were doing. A diagram is a must in this situation and any help would be greatly appreciated. Thank you.

— Posted by Nathan Slaten on 2013-07-05

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Recent 10 Comments

#Takamine by Cal on 2008-10-09 22:31
I am inquiring about getting a replacement of the takamine tk 40 pre amp for an EG523SC I am looking at purchasing one with a possibly bad preamp I am just trying to find out how I can get a new preamp for it if I need to replace it, I can\'t find anyone selling the tk40 pre amp to replace it with.t...
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#Takamine by Kurt Traynor on 2009-05-31 15:38
I am not receiving low end power when plugged into my amp. I get plenty of highs and after talking to someone from Tak they suggested it being the preamp assembly. So, I am looking for a replacement pickup assembly for my Tak fp360sc. If you have these in stock could you please send me a price.
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#Takamine by Mark Naro on 2009-10-11 13:22
I have a Takamine EG530 C with a TK4 N preamp pop out of the guitar hit the floor and the case is broken. Now I do not know if the preamp works?
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#Takamine by Andy Walls on 2010-07-26 04:46
I have no audio or light with fresh battery in preamp. How much to fix this preamp
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#Takamine by Bill Sigle on 2012-07-15 18:38
I have a EG544SC-4C with a TK40 preamp that Does not operate properly. It will play through an amp when in the tuner mode, which it is not supose to, but with the tuner turned off its only static or nothing at all. I have removed it from the guitar and there is no visible exterior damage.I would lik...
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#Takamine by Paul Aubry on 2012-11-18 14:45
I try to know if it is possible to repair or buy a new takamine guitar premp , Graph-Ex preamp???
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#Takamine by Widdy Loo on 2012-12-01 05:22
My Takamine Electric Acoustic with the Takamine ACCUR Acoustic EQ has about half the volume it should. Battery is good, maybe one of those things in there lost there value and needs to be changed. Is it possible to repair? If so can I just send the onboard unit with out the guitar and pickup? Your r...
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#Takamine by Nathan Slaten on 2013-07-05 19:09
This preamp was missing a pickup that plugged in behind the preamp with a RCA jack. It did however contain with it a 1/8th inch male to 1/4 inch female pigtail for the guitars input. I was curious as to where I might be able to find a wiring diagram for this and another Takamine Pre-amp I am current...
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#Takamine by Val Gladden on 2015-07-08 15:14
I have a 2001 graph ex pre-amp and recently the volume pot has been giving me problems. I\'ve tried cleaning it but it is so sealed up that it is hard to get any spray in there. I even drilled a small hole in the plastic housing and got the same result. I think if I replace it, my problem will be so...
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#Takamine by Richard Dunn on 2017-01-14 16:43
I have a EG330C with what is, I believe, a bad preamp. It uses the N4B preamp with the RCA plug input and a 3.5MM output. There is no output from the unit. Have switched the 9v and the batt test light does come on. Is there a way to test this? Can it be repaired? I realize that it could be the picku...
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