Kronos TT: As Good As It Gets ...?
- Thread starter fas42
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Well, part of the ethos of DIY is pushing the boundaries, trying out ideas not accepted or known in the mainstream - getting more bang for your buck. This is an interesting variation on solving the problem of spinning a piece of plastic such that one is not aware of this happening - and is apparently quite successful at doing this.
For people who are interested in getting better sound, and trying new ways of doing such, it may be of value ...
For people who are interested in getting better sound, and trying new ways of doing such, it may be of value ...
The manufacturer of the TT puts it quite succintly, thus: About Kronos Audio
The concept seems quite reasonable to me: a mechanical process occurs to translate the groove modulations into an electrical signal, and everything that helps to stabilise that behaviour can only help to improve the sound ...
The concept seems quite reasonable to me: a mechanical process occurs to translate the groove modulations into an electrical signal, and everything that helps to stabilise that behaviour can only help to improve the sound ...
The process is stabilised already, by the torsional component already present in a decks suspension. The speed of rotation of the platter is just not great enough to make this a problem.
It is an overly elaborate solution to a non-existent problem. Introducing another platter, bearing and motor to a turntable is likely to introduce more issues than those that it may 'conceptually' resolve.
I've read the manufacturers hypothesis and it is conceptually valid in that the rotating platter does impart rotational torque to the chassis. However, I don't agree with the hypothesis regarding the sonic impact of that torque or the solution.
Remember, the platter is supposed to be rotating at a constant and unvarying speed. The moment of rotation is a fixed. The actual moment is quite low, as is the platters velocity.
In this case, the deck uses two completely independent platters, bearings and motors. If there is any variation in the speed of these two platters relative to each other it is likely to introduce significantly more rotational instability that if it were not there.
It is an overly elaborate solution to a non-existent problem. Introducing another platter, bearing and motor to a turntable is likely to introduce more issues than those that it may 'conceptually' resolve.
I've read the manufacturers hypothesis and it is conceptually valid in that the rotating platter does impart rotational torque to the chassis. However, I don't agree with the hypothesis regarding the sonic impact of that torque or the solution.
Remember, the platter is supposed to be rotating at a constant and unvarying speed. The moment of rotation is a fixed. The actual moment is quite low, as is the platters velocity.
In this case, the deck uses two completely independent platters, bearings and motors. If there is any variation in the speed of these two platters relative to each other it is likely to introduce significantly more rotational instability that if it were not there.
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I did a little more digging around, and the opinions of those who have heard it seem consistent - even on forums where cynicism is rampant. In essence, it does the job at least as well as anything else out there. Now, whether this is due to the principles espoused by the designer, or because of the excellence of the fundamental engineering of the unit is in dispute - my interest is in understanding why this particular design has hit an apparent sweet spot ...
This is a DIY audio forum. WhyTF would we want to have one of these ????
Too much of a faf.
Over engineered and probably over priced.
Get a Lenco L75, service and re-plinth it.
Enjoy the music.
Job Done
I can barely believe to comments like this that there is any actual value in the statement!
I would be curious to know more details? Do you remember the entire set up, from cartridge to cables to preamp to power amp speaker cable and speakers?
I agree with this.
Plus the fact that the platters are not at the same level, creating another source of disturbing torque.
The arm was a Graham and the cartridge the top Dynavector. The amplification was all Jeff Rowland and the speakers were some really squawky horn design.
Konus Audio Systems
Much simpler and more logical solution to double platters - same motor & same drive belt so platters run at same speed
Still don't understand the point. You've got to have made a pretty awful deck to need that sort of remedial action to 'correct' it
Much simpler and more logical solution to double platters - same motor & same drive belt so platters run at same speed
Still don't understand the point. You've got to have made a pretty awful deck to need that sort of remedial action to 'correct' it