Fitting the soundpost in a cello or other bowed instrument is such a delicate matter and musicians often ask how I can set and fit it inside the instruments body. Here is some rare footage of the sound post setting process filmed from the inside as well…
…perfect fit to the inner surface…with the right tension…in the best position
…gives the instrument an even, beautiful & carrying sound🎻❤️
The cello is nearly finished now. I just prepared and glued the fingerboard, saddle and nut. Next will be the tuning pegs, the endpin, tailpiece, the bridge and soundpost…basically the whole Ilja Grawert deluxe set up
I cannot wait to finish setting up the cello and hear it’s beauty 🎻❤️
The beautiful cello is getting closer and closer to be finished. Some protective varnish and some French polishing finishes the varnish process. Now it has to dry for a few weeks and then I can set it up and play…wonderful music with a wonderful cello before it goes to the customer who I made it for…🎻
Varnishing a cello needs sun…I woke up in the morning and saw there was sun, finally after nearly 5 month of rain.
Straight in the workshop I started the varnish layer process. There are many more layers of colouration and glasing. This beautiful cello will be of dark antique colour.
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Finally it stopped raining a bit so I could start the varnishing process of the beautiful cello. The ground varnish coat has the purpose to seal the pores of the timbers, making it more stable and resistant to humidity changes. As well as preventing pigments from the colour varnish coats to soak into the wood.
The golden ‘Fleur De Liz’ painting starts above the ground coat and will be repeated on each subsequent layer of pigment to then at the end adding shading and colour texture. I need very fine brushes and a steady hand to paint such fine detail.
The reflection in the moving light on the flamed maple wood is just fantastic…
After the neck has been fitted and the back glued on it is now time to cut and shape the neck, first with a gouge forward the neck root and then with my carving knife, thumb planes, rasp files and finally sandpaper first rough and then fine grid. Then the outside of the cello needs smoothening and making the surface all beautiful and soft with a scraper. That part of the work is very important and usually takes days to complete.
7/8 Studio Cello April 2024 Update No 5
Now it is time to fit the neck into the body, which is done mainly with a very sharp chisel. After hours of fitting, making sure that the neck is perfectly fitted, lined up with the f-holes and with the proper projection, I glued the neck and left it clamped overnight. then the back plate needs to be glued on. After the glue is dried this is the first time where I can hear the sound of the whole body assembled…beautiful resonance…
In this update I am checking the flexibility of the plates, measure the thickness, balance the plates and then finally it is time to apply the special ‘Ilja Grawert sound system’ which is naturally my trade secret. This will give the cello its beautiful, warm but still carrying tone like you usually only find in old instruments. Then I glue the top plate onto the sides
After the bass bar has been fitted and glue it now needs to be shaped that it can fulfil its purpose or spreading the deep sounds as fast as possible over the whole top plate and act as a support for the high pressure from the bridge onto the top plate. Then it is time to roughly adjust the thickness on the inside of the back plate.
In this update I continue to work on the thickness of the top plate in a finer way with a very sharp scraper, cleaning the inside to get ready for the bass bar. Finding the right place for the bass bar inside the top plate is very important to the sound. At this step I determine the length, width and exact position. In the second part you’ll see the preparation, fitting and glueing of the bass bar. The Preparation is mainly done with a long plane working it to the required thickness. and the fitting then will be done with the finely sharpened and adjusted flat thumb plane and very soft chalk. When everything fits perfectly the chalk is removed with a dry brush and I do a trial clamping of the bass bar, so I know which lamps to put where and how to adjust them for this specific cello.
