Advice needed on Stylus's/Cartridges/Needles

Its an old sony ps 4300 deck, sony ta 3650 amp and a pair of monitor audio speakers all made in japan, 80's gear.

No I think 1 forum is enough for me the kindof shit I will get from hififorum.co.uk will be:

Tracking angle does change (as per the "Laws of Physics" to which you refer). The amount of change in tracking angle can be calculated as follows:

Assume Arm Lenth = 12"
Assume LP Groove Span = 4"
Angle shift is ARCSIN 4/12 (in degrees) = 19.5 degrees

(Now you've gone and made me think back 40 years to "A"-Level Maths...

The latest stylus shapes are designed to cope with this angle shift and should NOT produce distortion.

As far as velocities are concerned:

a. Angular Velocity (AV) for Vinyl is a CONSTANT (33.3 rpm)
b. Linear Tracking Velocity (LTV) is higher at perimeter than centre**

** LTV = AV x circumference (inches/min)

• circumference = diameter x "pi" (3.14)
  
  

At perimeter (diameter = 12) LTV = 33.3 x 12 x 3.14 = ~1200
At last track (diameter = 6) LTV = 33.3 x 6 x 3.14 = ~600

At the time of cutting the master, this is taken into account.

My LP12 DOES NOT display the problems you describe (neither do any of 4,999,999 other vinyl addicts have the same problem)

So, only conclusion is that, somewhere in your vinyl "chain", lies a problem.

From some 10,000 km aways (as the crow flies), there is not much more I can do to help.

So, back to first suggestion: get someone qualified to do the set-up/diagnostics... Otherwise CD awaits...

Just need some general advice, know a lot of people on here have vast vinyl collections, thought someone might be able to help.