Thanks Alex - ....reinventing the wheel once again.
It's interesting, but what a mess!
https://vintage-turntable.com/marantz-slt-12.htmlhttp://www.mtk-physio.de/Marantz/Ma..._SLT-12U_Details/marantz_slt-12u_details.html
In the review it is defined passive, frankly I doubt that a stylus could move all that stuff, maybe they mean mechanical, moved by the rotation of the platter (oh my god!).
However they had already turned the parallelogram 90° as in my provocation: we've still to make it much simpler, and moving with just the weak tracing forces
carlo
It's interesting, but what a mess!
https://vintage-turntable.com/marantz-slt-12.htmlhttp://www.mtk-physio.de/Marantz/Ma..._SLT-12U_Details/marantz_slt-12u_details.html
In the review it is defined passive, frankly I doubt that a stylus could move all that stuff, maybe they mean mechanical, moved by the rotation of the platter (oh my god!).
However they had already turned the parallelogram 90° as in my provocation: we've still to make it much simpler, and moving with just the weak tracing forces
carlo
How does the Marantz do warps and eccentricities please?Thanks Alex - ....reinventing the wheel once again.
It's interesting, but what a mess!
https://vintage-turntable.com/marantz-slt-12.htmlhttp://www.mtk-physio.de/Marantz/Ma..._SLT-12U_Details/marantz_slt-12u_details.html
In the review it is defined passive, frankly I doubt that a stylus could move all that stuff, maybe they mean mechanical, moved by the rotation of the platter (oh my god!).
However they had already turned the parallelogram 90° as in my provocation: we've still to make it much simpler, and moving with just the weak tracing forces
carlo
M
All mechanics are set in motion by the stylus. The stylus works out warping and eccentricity well. Its mechanics are simple, but it's required to manufacture complex equipment. It consists of levers, at the ends of which there are gear segments. Lubrication is incorporated at the factory and serves until the end of service. Downforce is adjustable. Edward.
All mechanics are set in motion by the stylus.
Really surprising, Alex: for me a friction above 2 mN is not acceptable, and we need a really sophisticated carriage to get less. So that complex massive mechanism with so many levers, gears and relative bearings had to be built to a truly unbelievable level to work well as you say.
But it is an excellent confirmation that such an idea can be feasible, possibly in a simpler way, achievable by a diyer.
c
Really surprising, Alex: for me a friction above 2 mN is not acceptable, and we need a really sophisticated carriage to get less. So that complex massive mechanism with so many levers, gears and relative bearings had to be built to a truly unbelievable level to work well as you say.
But it is an excellent confirmation that such an idea can be feasible, possibly in a simpler way, achievable by a diyer.
c
Amazing. Is anyone able to separate out the components and sketch what is going on please? - and what the belt and wheel and top knob might be doing?
M
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And in the wrong direction. On the whole warps tend to slope downwards towards the centre of the record especially if a record clamp is used.
