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Propeller Head Plaza Technical and scientific discussion of amps, cables and other topics. |
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Propeller Head Plaza Technical and scientific discussion of amps, cables and other topics. |
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In Reply to: Re: Typical. But flawed and misleading. posted by Jon Risch on January 12, 2004 at 20:41:18:
JR: ""If I remember correctly, the 500g was an estimate from John, which you took as gospel.""You are correct..it was an estimate..It was arrived at by:blipping a mass of reasonable weight in proportion to the cable, in this case a wood dowel approximately 6 inches long, 3/8 of an inch thick...in an appropriate trajectory (straight up)...measuring the total height..calculating the final speed of the dowel when it returned to the starting height...then, estimating the distance over which my finger was in contact with the dowel, without damaging my finger (too much). Having the dowel go four feet high..the launch velocity is the same as the velocity it would achieve during a four foot drop. That velocity was attained entirely during the contact with my finger. Assuming a linear acceleration, the distance of contact will determine the acceleration required to get that velocity over that distance.
Standard equations, derived from F=M*A.
JR: ""Typical naysayer BS.""
No. But that is your typical reaction to anything you do not agree with. As such, yours is typical Yeasayer BS". Or, actually, I believe ownership of that category is entirely yours.
JR: ""You don't know what the actual g force was,""
And that was stated at the forefront of the testing.. But, the simple determination of the G force did indeed set a LOWER limit on the G force, as the length of contact is easily determined (my finger is only so long), as was the maximum height of the object (simple newtonian physics..). The only error in G force was the assumption that the acceleration was linear...if not, then the peak would be higher.
JR: ""and anyway, it is still just another red herring on your part.""
You keep saying that...but, yet you have not shown how..
JR: ""BTW, the ratio between 500 and 1.5 is 333, not 400. So your math also contains some significant errors. Just another naysayer Monday......""
So, lets see...typos that need to be cleaned up must be pointed out in a rude manner such as yours?
JR: ""The bottom line is, high SPLs in the listening room can affect some cables sonically, and not others. This can be easily found by the use of sand bag damping on the really poor cables.""
Doesn't seem to be a very methodical approach...tossing sandbags into the listening environment, where sound absorbtion materials can affect the sound...don't you have some diy trap thingy's for that? Why is a sandbag immune from interacting with the environment? For that matter, if done on a wood floor, major change to floor...
That's a problem with a lot of your tweaks, Jon...you change one thing, and think that nothing else has changed...then you pronounce the change as the cause.
That's nothing new, btw..many, many researchers fall into that trap, one of NOT picking up all the confounding influences in an experiment...doesn't make them dumb, or illiterate, or not methodical. Just makes em human..
What distinguishes you from the rest of the scientific world, is that they listen to the people who point out their errors, and discuss, yada, yada..while you simply go on the offensive with your "yeasayer" crapola..and that doesn't need to be..unless you rate your own personal worth on people believing everything you hang your hat on..
JR: ""Whether this is due to piezo/tribo electric or motor/generator, both of which have been reducto ad absurdum by the naysayers to miniscule levels, does not really matter. Nevertheless, they still move. Or don't, and sound better for it.""
You have no basis in truth for that statement..and you have never really tried to measure it, nor calculate it, whatever...You are welcome to join in the discussion of the technical nature of the problem, Jon...just leave your "yeasayer" attitude at home please.
TTFN, John
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Follow Ups
- An unsupported statement, Jon - jneutron 12:32:07 01/13/04 (0)
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