Rega P5 Upgrade:TTPSU,Platter Or Subplatter?

I would say the improvements rank just like you have them listed. TTPSU - best improvement

Thanks Miner42. Looks like the TT PSU is definitely on the way into the system. I am just curious on claims about the inferior stock subplatters in the Rega P5 and the lower models after having gone through some comments in Audioasylum. The arcylic platter does look pretty cool though.

Get a P-7 No Joke!
I owned the P-5 with all the upgrades you listed above
and they made a very good improvement to the P-5.
The Acrylic platter however was brighter then the stock
glass platter and this my not be good in some systems.

When I went to the P-7 the improvements were even greater
then the modified P-5. If you can do it, sell your P-5 and
go straight to the P-7.

If you don't want to do this then get the power supply
sub platter and clamp first. Get the tone arm weight and
acrylic top platter later.

Thanks Eldon. Later when I go for the P7 and attempt to modify it someone will say go for the P9. It is unfortunate the P5 comes with the plastic subplatter which was a bit of a compromise compared to the P7 and P9. Most likely I'll just get the TT PSU and be done with it, since I currently have only less than 10 LP's in my collection.

Anyway, out of curiosity may I know what are the sonic differences between the upgraded P5 and the P7? From a technical perspective, the differences between the stock P5 and P7 are in the subplatter and platter in that the P7 uses a higher quality subplatter constructed to tighter tolerances and a ceramic platter. Other than these two aspects the P5 and P7 share the same plinth and RB700 arm. Hence my suspicion is the P5 will sound close to(if not better) than the P7 with the TT PSU, upgraded subplatter and arcylic/ceramic platter. Anyway all these upgrades will eventually bring the value of the P5 closer to the P7 so you may be right there in that one might be better off going for the P7 instead of spending $$$ on upgrading the P5.

Cheers.

Ryder: Don't under estimate the Ceramic Platters sound
improvement over the P-5's glass platter. The P-7 also
has a superb bearing housing and sub platter.

You can change the subplatter on the P-5, but not the
bearing housing. This is the part the sub platter fits
in to. The bearing housing on the P-5 is crap by
comparison to the bearing housing in the P-7 and P-9.

The P-7 and P-9 have the dual belt drive system. A big
improvement over the P-5 which can have speed problems
over time due to the single belt system it uses.

I had both my modified P-5 and a P-7 in my system at the
same time with the same cartridge and while the P-5
was very good, it was no match for the P-7.