Official Luthiers Forum!

Those are the der Jung Taiwanese tuners. Never had a set though.

http://www.derjung.com.tw/index.php?opt ... 05&pages=1

They do a lot of models. Yours looks like it might be on page 2.

They've got extensive selection, any way to get info on pricing? I didn't see anything on their website.

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Expectation is the source of all misery; comparison the thief of joy.
http://redrivercanoe.ca/

Go on Ebay. There are numerous sellers stocking these tuners. Quite often they don't mention the maker although they are clearly made by Der Jung. They are cheap. I can't advise on the quality of the gearing (backlash) because I've never come across a set. Usually you can tell how long a tuner will last by how smoothly they turn, how the gears mesh and the amount of Backlash. I suppose you shouldn't complain if you get 10 + years out of cheap tuners.
I quite like these:

http://www.derjung.com.tw/upload/produc ... pro_en.jpg

Keep it simple.

I have one set installed.
There are some backslash when the turning to tune.
Mechanically it works fine and holds the tuning w/o any problem.
I had it for at least 2 years on my Yamaha guitars and so far it still works as it should and no signs of wear and tear yet.

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Sen CL Goh
http://senguitar.blogspot.com

You can buy Der Jung tuners on eBay in a huge range of styles and price ranges. They also come with different gear ratios, which are usually listed. I have bought a set in the past for around $35 and had good luck with it. I imagine that there are differences in quality depending on different factors. The rollers on mine were slightly undersize but that has not caused any issue so far. I have been happy with them so far. They work smoothly and no problems. If I was selling the guitar they're on I would have put different tuners on it. But hey, for a guitar that's staying with me they are fine. And some of us like to build regardless of not having the money to spend on expensive tuners and high end wood. The Der Jungs are a viable option for me. Wendy