3 New UBER Decks - Is this Turntable's SwanSong? 🦢

Dear @mijostyn : Then probably have to return all your  LPs:

""  One thing to note is that there is nothing to prevent the eccentricity to be different on the two sides of the record. For example, the record may be perfectly centered on one side but off on the other, or it may be off on both sides but in different directions. ""

What do you think on that?. I found it somewhere.

Btw,:

https://blog.fluance.com/off-center-pressings-on-vinyl-lps-what-is-it-and-how-can-you-correct-it/

Now, in the past I bougth an item to " fix " manually the LP off-center and it works fine. I still have it somewhere and I remember that fix it but you need time/patience to do it and in those times I was more or less ignorant of the developed distortions by the off-center LP hole and a little lazy to fix it. The seller disappeared in short time.

R.

@lewm, I know this is anecdotal but here in Salem, NH we have a great media store, Bullmoose Records. They stock new records and I have never had a problem returning defective records. I buy many records on line. Elusive disc is always very accommodating and as a matter of fact replaced a copy of Weather Report's Mysterious Travelers because it was drilled off center. They also pack their records really well unlike Amazon who just throws them in a box and many get damaged. I try not to buy records from Amazon for this reason. Bandcamp is another interesting site to buy music from. I have had no problems with Acoustic Sounds. I do not buy used LPs and have no interest in it.

A far more accurate and useful metric of the speed accuracy of a TT is to simply look at the raw yellow trace, ignoring the numbers. How close is it to the ideal symmetrical, clean, constant amplitude, sine wave?

You mean like THIS???? 

Yes.;
The Yellow trace is a a long way away from the ideal sine wave, its pretty messy. This TT is not micro speed stable. 
As I implied before, on average it takes 1.8 seconds to complete a single revolution ( 33.333 rpm) so the filtered Green trace is nice, but not a robust measure of what is going on inside each revolution.   

BTW the TT-101 is one of the TT's that has the subsonic resonance. It takes heavy duty real-time computing power to eliminate this. Maybe it was available back then but probably not in a device that was economically viable. 

Cheers.  

While turntables are not easy for the average person to truly compare, especially since they need the same arm and cart, I can relay some of my own experience upgrading tables.

Speed stability is a fantastic thing (listen to some Plangent process digital masterings vs. a standard one and you hear how solid it sounds when tape machine wow and flutter is corrected.

However I’m not sure that’s where the sonic benefits come from comparing well designed tables.

Many years ago I upgraded from a Raven One table that I heavily tweaked. It sat on a Halcyonics active vibration table with a Sistrum stand bypassing the table’s feet. It had a TTW copper platter top/clamp/ periphery ring and tape leader as a belt. It was a fantastic sounding table and taken to another level with tweeks.

I became so enamored with TTW’s accessories, I bought their Momentus Supreme table driven by 3 belts. I was expecting an improvement, but a nuanced one.

I put the same Graham Phantom II arm and Strain Gauge cart on the TTW and I was pretty shocked to hear just how much more dynamic the music was, and how much wider bandwidth it had.

This was just the pure table without vibration table or copper platter top. It was truly eye opening and a good lesson I suppose on how there is no getting around physics, at least as analog goes.

I can only imagine what a cost no object table sounds like..... (of course I’ve set myself up for someone to come back and say.... “it sounds like a $1000 dac”)

I haven’t fired up my Adjust Plus software (a more complex version of the App the measurement in this topic were taken from- but came with a 12” LP) in a very long time, because I’m a Mac guy and it’s PC only, but I’m now tempted to get it going and test out my table’s speed stability.