[i]"If Etherspiel's volume field has contracted since he installed the module, it could be that the tiny inside screw whose access hole can be found just next to the ports where the loop plugs into the cabinet, needs to be adjusted. This screw is for gross adjustment of the volume field and the slightest change, even one degree, in its setting can make a HUGE difference.
It has been my experience (and I've had PLENTY, believe me!) that whenever you make any sort of modification to a theremin the entire instrument can be affected in a variety of unexpected, and sometimes inexplicable, ways. There's a kind of "domino effect" that happens. This can necessitate all sorts of adjustments to parts of the instrument that have nothing to do with the area you modified."[/i]
Peter, you hit the nail on the head. I went back to it last night and worked with the "gross adjustment" screw and was able to retune the volume control field to a larger control area. This had the a very positive effect on the performance of the module. I will need to adjust the instrument a bit more to fine tune where I would like it to be, but it seems to feel much smoother now with more expressive possibility.
Thierry - for technical information, my E-Pro is an early model, serial #71. When I returned the theremin to the original resistor, the range returned. When I again reinstalled the module, the range compressed. Retuning the volume circuit using the small screw on the side seems to correct the problem. You might wish to amend your installation instructions to include a statement that retuning might be required for optimal field.
It has been my experience (and I've had PLENTY, believe me!) that whenever you make any sort of modification to a theremin the entire instrument can be affected in a variety of unexpected, and sometimes inexplicable, ways. There's a kind of "domino effect" that happens. This can necessitate all sorts of adjustments to parts of the instrument that have nothing to do with the area you modified."[/i]
Peter, you hit the nail on the head. I went back to it last night and worked with the "gross adjustment" screw and was able to retune the volume control field to a larger control area. This had the a very positive effect on the performance of the module. I will need to adjust the instrument a bit more to fine tune where I would like it to be, but it seems to feel much smoother now with more expressive possibility.
Thierry - for technical information, my E-Pro is an early model, serial #71. When I returned the theremin to the original resistor, the range returned. When I again reinstalled the module, the range compressed. Retuning the volume circuit using the small screw on the side seems to correct the problem. You might wish to amend your installation instructions to include a statement that retuning might be required for optimal field.
