Discuss The Viv Lab Rigid Arm

As Lew points out, AS is set by the user at a constant magnitude.

Those who successfully opened the Youtube link I posted (the second one) will, I  suspect, be surprised at the significant variability of stylus drag, and at times, its "violence". Trying to negate the skating force that this creates with a constant magnitude counter force at the other end of the arm would seem to me to be an exercise in futility. How much stylus misalignment and hence distortion, stylus drag causes, is perhaps the key question along with what these nasty forces are doing to the cartridge's inner workings. 

Dear friends : Please read this measured fact:

" 26 tons of pressure per square inch at the cartridge stylus tip during its ridding "

and please don't forget the cartridge compliance important role too.

Now, I don't need an explanation how is that that skating force can the stylus tip under that tremendous and infernal pressure at the tip to spin.

Common sense says:NO WAY.

Again Make a pressure does not means it spin and as I said compliance plays its role here.

R.

Sorry again, this was my first post to Richard about that I deleted:

@richardkrebs : " AS is set by the user at a constant magnitude.."

Normally the tonearms designers design the AS mechanism to be not constant in magnitude but going from less to more as the cartridge moves inside and yes is only in one direction and away to be perfect, nothing is in the analog audio world where everything is full of trade-offs and each one of us have several trade-offs to choose in between, it’s way personal.

The issue is to stay nearer/truer to the recording. Now, I never seen specific measures on the tracking distortion levels of the skating against the tracking distortion levels of the off-set angle in pivot tonearms.

At least by measures we all know at each single groove the level tracking distortion through the Löfgreen alignments against nothing similar with the sckating issue.

I use what for me is the second best option to stay nearer/truer to the recording using pivot off-set angle tonearm trying to have some equilibrium with objectivity and at the same time subjectivity.

I already said to lewm ( he said I’m wrong about ) that knowing him through years of his posts that he will continues with arguments about because he has no objective answer/measured and proved whay he likes " something " as his VIV that has higher tracking distortions due that has zero off-set angle been a pivoted design. This is my take with him even that he is in total disagreement with me.

Today I’m totally satisfied under objective/subjective equilibrium with my choose of that second best alternative to achieve my target.

Other audiophiles have different targets and that’s all. At the end what overall plays a main role on each one of us is that can stay satisfied. I’m.

R.

" to negate the skating force .... "

In my case I don’t negate its existence and concecuences. I know that the that force makes a " presure " against the cantilever and the cantilever suspension what I never seen in slow motion ( as what I linked from youtube here. ) that the skating force really makes that the whole cantilever spin in to what holds the cantilever. One thing is to presure it and the other one makes to spin around. We have to remember that's not the only force down there and how ,it with the other developed ones. ( Remember cartridge compliance. Way important in this subject. )

R