Greetings John:
>From everything I see, the reproducer screams 'Someone's Kitchen Table >Experiment'. I have seen similar experiments to 'improve' an Edison >reproducer and have a couple in my collection. In the mind of this guy who >made your example, the weight was able to move so the force on the record by >the stylus was inconsistent thus trimming the weight and adding a spring to >give constant downward stylus force was the idea. Those people who have seen >the Lyric type reproducer with its spring system and figured that Edison >reproducers might be modified to use the same principle are the culprits. The >most tragic form of this idea I have seen was on a Model L Reproducer and it >didn't work for that one either. The booming peak resonant frequency is likely due to the weight added to the stylus bar versus the return force exerted by the aluminum diaphragm which may be way too stiff. That's my theory on the peak responses you are getting. You may also have found the resonance of the spring and the trimmed weight suspension. It is hard to tell without having the reproducer at hand to examine and run tests on. I would not play any valuable wax records with it ! ! ! Regards to all on the list, Al _______________________________________________ Phono-L mailing list http://phono-l.org
