Your bow should not be tighter than 2.5mm when it rests on the back of your violin.
It should be tight enough that if it were to move on your violin string you would not be able to notice if it was loosening or tightening.
In some instances the bow may be just slightly loose.
When tightening, make a slight tap or pinch on the violin string as a guide. This should push the bow down by about 7mm.
I always tighten my violin bow more than 1.5mm but this just makes my bow wobble.
The easiest way for me to tighten or loosen my bow is by using a violin bow adjustment tool.
Why do I have trouble tightening my bow?
If your bow is loose, chances are there is something wrong with the string.
There are a number of common causes of loosening that you may run across including:
Improper string tension. This can be caused by over tightening, incorrect string tension or a string that might not be made of the same metal.
This can be caused by over tightening, incorrect string tension or a string that might not be made of the same metal. String wear and tear.
The string is getting worn down by vibration from string friction and this can make all the difference between a sound that feels “loose” to an “off pitch” or “slippy” tone.
The string is getting worn down by vibration from string friction and this can make all the difference between a sound that feels “loose” to an “off pitch” or “slippy” tone. Poor tuning.
You can either have a poor tuning, or you can have a string that sits out of position and this can lead to a loose bow.
You can either have a poor tuning, or you can have a string that sits out of position and this can lead to a loose bow. Too much tension on the bow. This may be caused by straining when strumming along with excessive tension in your hands after your first string is set.
This may be caused by straining when strumming along with excessive tension in your hands after your first string is set. Lazy bow.
Lazy bow causes the bow to straddle the string and can prevent your string from sitting properly on the bow. If you have a string that sits too far back your bow will be too loose and this in turn affects volume and stability
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