GrafTuning


Jorg Graf Tuning Machines: How Stiff Are These Keys?

1:31

In this video the friction between the worm and the gear is demonstrated. Specifically in terms of the "hot spots" found in many sets ...

Testing Graf Tuning Machines Using A Strobe Tuner

3:40

Patrick Kearney, classical guitarist, uses a Peterson StroboRack tuner to demonstrate the delicate nature of Jorg Graf tuning  ...

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2:56

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Ever So Slightly: Testing Static Friction; featuring Jorg Graf Tuning Machines

2:09

In this video the static friction is tested on a few sets of classical guitar tuning machines which are bearing a load. The desired ...

Jorg Graf Tuning Machines In Action by Patrick Kearney

0:39

Patrick Kearney effortlessly using the Jorg Graf tuning machines live in concert.

Graf Tuner's screw-less tuner mount

3:39

Introducing and how to install the screw-less Graf Classical Guitar Tuner.

Rocktron UNITY Tuner : Demo & Review : 3P3D2013-DAY13 ~ 30 Pedals 30 Days

12:21

Official RD1C Give-Away Page: Official Product ...

Interview with Jorg Graf, maker of Graf Tuners - Classical Guitar Training.com

15:19

An interview from June 2013 with Jorg Graf in Burnstown Ontario.

Precision Strobe Tuner Guitar Demo

1:54

Precision Strobe Tuner Guitar Demo.

32-07 Slip and Friction Tester

2:23

For over 30 years, the TMI Group has a history of producing reliable, accurate and robust testing instruments for measuring ...

12.1 Fitting in-line machine heads

8:36

Fitting Machine Heads.

Cheap Chinese Tuners

0:50

Demonstration of the low quality guitar tuners delivered from China. I got these from AliExpress.com, cheap and unusable.

Jorg Graf and Ana Vidovic Discuss Tuning Machines

3:49

Recorded September 14, 2013. Jorg Graf and Ana Vidovic discuss the advantages of Graf tuning machines.

Graf Tuner's self locking string roller

4:40

How to string-up a classical guitar using the Graf Tuner self locking string roller technology.

Patrick Kearney Speaks About Graf Tuners

5:01

Patrick Kearney, classical guitarist, shares his experiences with his custom set of Jorg Graf tuning machines.