Solid brass wolf suppressor. Kill your wolf without killing your cello's resonance. Use these solid brass suppressors to control the wolf tone. Usually applied to the C or G string between the bridge and tailpiece. Slide it to the spot that tunes the after string length to the same pitch as your wolf tone. See more detailed instructions below, and also my video. I typically start with a 7 or 9 gram suppressor. If you go too heavy, you will just deaden your cello along with the wolf! If you are unsure what to purchase, get both the 7 and 9 gram for wolfs around F.
Make your string slack before installing the wolf suppressor (otherwise it can damage the string!)
The wolf suppressor is installed on the string BELOW the bridge.
I normally will start on the G string. If the wolf is an E note, I set the suppressor so there as about an 1" between the suppressor and the bridge. For an F wolf -3/4" and F#-1/2". The idea is to tune the bit of string between the suppressor and bridge to the same note as the wolf (much higher pitch of course) You can bow that little area and listen to the tone.
Another way to help fine tune it is to place it close to the bridge so that the open D string sounds big and hollow. Slowly move the suppressor away in small increments bowing the open D each time. Stop when the D string firsts starts to sound normal again.
Need more help?? check out the video below or email me for guidance. Also read New Harmony's instructions below.
Instructions from New Harmony:
Violin & viola: 1, 2, or 3 grams
Cello: 3, 5, 7, 9, 11, or 13 grams
Double Bass: 16, 18, 20, 22, or 24 grams
How to fit your New Harmony Wolf Note Eliminator
As wolf-notes are most commonly found on cellos, instructions below are for fitting a New Harmony Wolf Note Eliminator on a cello. However, you can apply the same method for violins, violas and double basses.
New Harmony Wolf Eliminators are fitted roughly 1 cm below the bridge on either the G or C string. Prominent wolf notes on the D string have the eliminators fitted onto the G string, and prominent wolf notes on the G string have the eliminators fitted onto the C string.
To attach the eliminator, ensure that string is slack as the eliminator can damage the string while installed when the string is tight.
A typical wolf note sounds on either the F or F#. Usually, a 9 gram eliminator will get rid of an F or F# wolf note, place on either the G or C string depending on the string the wolf note is found. (note from Linda: typically, cellos will have an F or F# wolf that is hard to manage on the D, and really prominent in 4th position on the G. You want to focus on taming the wolf that is on the D string and that will also tame the one on the G string)
The wolf eliminator needs to sit in exactly the correct position to get rid of a wolf note. Once the eliminator is fitted on the string, move it 2mm at a time either closer or further away from the bridge. Test bow after each move. Often this will move the wolf note to a neighboring note, e.g. from F to E. Check each time the eliminator is moved to ensure the wolf has been eliminated from all surrounding notes. Slowly play partial chromatic scales in the area of the original wolf: D, D#, E, F, F#, G as an example on the D string.
If the wolf note is still present, try putting the eliminator on another string (advised only for wolf notes on the G string) and repeat the process.
As all instruments are different, if an eliminator at a certain weight doesn't work, a different weight (the next weight up or down) is needed. Although experimentation is sometimes required, we recommend customers use the weights below for the wolf notes listed:
3 gram - E and below
5 gram - E and below
7 gram - F and below
9 gram - F# and below
11 gram - G and below
13 gram - G and below
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