I see some vintage units on Reverb, but not sure if they're really going for that with the Rev 4 out?
W I mos def hear a difference between my vintage P5 rev.2 and the new one I got. Its not even subtle. Its also something besides sound. Hard to explain.
I respect he put a lot into the vintage knob. But I am real surprised people think thats the only ingredient (unstableness and slight detune drifting) - it
And this is matching verbatim what I can (rev.2 filter, vintage knob, 5 voice to 5 voice, etc.. totally apples to apples). IDK, Something is encasing the sound for a slightly different result and the new one is like free of the goo. haha I told you I didn't want to try to explain, but hopefully that makes some sense ?
2 things:
Of course they sound different, and they should... they have different VCOS! You're comparing a fully SSM(SSI) Rev 2 to a CEM3340 VCO rev 4 with a remade SSI(SSM) 2040 filter. While the debate over the filter's accuracy to the old part will no doubt rage on forever, you're simply not comparing 'apples to apples', so the SSM rev 2 sounds a bit more gooey and poss organic? I'd buy that.. it's ancient SSM tech...
The Rev 4 is more like a Rev 3 with the OPTION to use a filter very much like (sometimes identical to) the SSM 2040 in the Rev 2. It was never claimed to be a full rev 2 clone... even in 'vintage knob at 2' mode.
VCOs will make a big difference, but this is no different to how people used to compare rev 2 to rev 3 and have their preference.
I personally prefer the SSM filter 9 times out of 10 in my rev 4, but the CEM filter has uses that allows it to make sounds more 'robustly' than the SSM filter.. and this is where rev 4's total brilliance steps in, it ALLOWS you to make a wider range of tones using the two filters (before we even get to velocity etc), each filter suiting a different type of sound.. for ex rezzy sweeps may sound sweeter with the SSM but bass can hit a bit harder with the curtis filter (and I'd suggest also with the curtis 3340 VCO chip that went on to be used in MANY classic analogs like OB-XA/8, Jupiter 6, SH-101, Memorymoog...)
The CEM 3340 VCO is, right away, going to give any synth a different tone to an old flaky SSM VCO that was soon abandoned (their filters are great but their VCOs don't seem to have got into many synths) or because they had tuning issues or w/e.
So you're really listening to a cross between a rev 3 and rev 2 when in 'rev 2' mode on a rev 4.. it'll never sound exactly the same, esp vs 40 years old electronics with poss worn caps and needs calibrating... sure that can sound good to the ear at times but the rev 4 is a different beast overall.. the P10 especially with the much more suitable polyphony for lighter sounds or stack/poly unison for things the old P5s couldn't do at all.
So it's not about chasing the last % of original sound (hence it's not a rev 2 reissue) but a rev 4 taking aspects of the past to be able to recreate most sounds 99% and do new things too... also in many cases the Rev 4 actually sounds BETTER doing a number of sounds than a Rev 3.. and poss rev 2... Alex Ball's video shows this. The Rev 4 sounds warmer and bit more low end (more powerful and commanding) while the rev 3 sounded thinner and a bit whispier... both sound great, both are great depending on your taste.
We all know a rev 2 is/was the holy grail for 'tone' but there comes a time when something like Rev4 comes more than close enough AND adds on so much good stuff without spoiling it when you say.. ok i'll take the $4k synth with a great keyboard and no issues + 5 more voices over the $10k collector's item with crappy keybed, constant service worries, voice stealing when you don't want it.. and never a chance to use the classic 3340 VCO or switchable filters.
IN context is really what all this is about... every synth can do something better than another synth, but on balance and at a price? what is REALLY the 'better' instrument and wiser investment NOW?
Prophet 10 rev 4 is the ultimate prophet synthesizer.
Prophet 5 rev 2's are now expensive ticking time bombs with an occasionally more organic sound that doesn't count for much next to the sounds you can get out of a P10 rev 4 anyway!