Brinkmann vs TW Acustic

Just wanted to explain my speed test. I have a Prism Orpheus AD-DA converter. I just play a test tone and zoom in to 1000 Hz (I think that is the frequency I am using) and watch it on the spectrum analyzer on the screen. The wave peak is centered on 1000 Hz. When I change the speed up or down it moves to 997 or 1003. It is easy enough to check wow & flutter and if the speed is set right. I don't know if the Cardas LP is perfect but that is what I use. It is spot on to the tolerance of the software I guess but you can see if you are off at all. One thing for sure you can hear the difference when you change the adjustment to being just off a touch. Very easy to hear. The weak link is that a turntable with switchable speed for 33 and 45 can never be as good as a dedicated motor & PS for each individually. And of course the belt. Funny no one has brought that up here as of yet.

I explained in a previous post how adjusting the motor controller for accurate speed by flipping its switch up or down very quickly, checking the KAB strobe for correctness and then using the other switch to lock in that speed got the job done for me. Yes, unfortunately the push button allowing for slight adjustments does not work. I hear no problems with the reproduction of voices or any number of different orchestral instruments. I also made adjustments with the tonearm and vta. Based on repeated listening, and affixing two pieces of printer's tape, one with an arrow mark on the flat portion of the vta dial and the other with a range of line markings on the stainless steel platform just beneath the vta dial of my TW 10.5 tonearm, I was able to obtain repeatable settings for various thicknesses of records. It has worked beautifully. The feet for my Raven One table are TW's own. I've used neither a record mat nor a separate isolation platform. There's only a solid concrete floor with carpet on it and my Just-A-Rack (no longer in business as far as I know) stand. I feel fortunate to have my music and sound just the way I want it. I hope some of what I've said regarding my setup might help any number of those who have had problems.

Suteetat, good work on speed, timing, Timeline discussion.

To any one with a Raven AC or AC3. A couple years ago I had a hard time dialing in the VTF/VTA for the best sound. After double checking for level I realized that while level was fine the right front footer was a bit loose. Loose is not quite right, there was not as much weight on that footer.

After adjustment so that the TT weight was more evenly distributed among all three footers the issue went away. This adjustment has been required twice in almost four years.

FYI

Dgad

Up to last week I had been running with no mat as well. The arm board was set up for the tall dyna xv-1s. The Lyra Atlas is not as tall and was down the bottom of the Phantom vta tower. I think that may not be optimal and on the Phantom.

I had to use the mat to use the overachieving denon dls1 on my 2nd armwand, so also used it when I went back to the Atlas. I was surprised how much better the mat sounded.

I may need to lower the height of the arm board to get a more fair comparison. That is a pita to do thou:-)