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Update: More info on the PS3100.
Monday, December 11, 2006
11 comments:
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MATRIXSYNTH - EVERYTHING SYNTH
© Matrixsynth - All posts are presented here for informative, historical and educative purposes as applicable within fair use.
MATRIXSYNTH is supported by affiliate links that use cookies to track clickthroughs and sales. See the privacy policy for details.
MATRIXSYNTH - EVERYTHING SYNTH
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I guess the US dollar really HAS gone to poo.
ReplyDeleteDivide down on the oscillators but individual filters for each: link.
ReplyDeleteI hate to contradict matrix however i believe there is just one low pass global filter that all the voices are routed through (as well as resonators on the 31 and 33).
ReplyDeletethere is an envelope per key and a single signal generator per note (12) and divide down circuitry for the octaves.
i should also note that the 3300 is essentially 3 stacked 3100s with a mixing/output section.. so alls its facilities are multiplied.
ReplyDeletei used to have a 3100 and 3200, I regret selling them often.
7000? come on now. i know of a ps 3100 in good condition that i could buy today for 2800 USD
ReplyDeleteyeah its crazy, I sold my 3100 for $1500 and my 3200 for $3500, also helped a friend sell a 3300 for $7500.. $7k for a 3100 is sillyness.
ReplyDeleteI read that the 3100 was improved to have individual filters in this SOS article. I have no idea if they are correct, but here is what it says:
ReplyDelete"The PS3100 was the smaller of the two, but it was no baby. A true polyphonic synth, this used the 'divide-down' oscillator architecture that Keio Electronic had adopted for their Polyphonic Ensembles, but enhanced it by offering independent filters, envelopes and amplifiers for every note, rather than just one set for the whole keyboard."
SOS doesn't fact check their columns so i tend to take anything Gordan Reid writes with a grain of salt.
ReplyDeleteI am pretty sure that there is only one filter circuit for the PS3100 that all the Signal Gens are routed through. I'll check my schemos but I am 98% sure of this.
Its been about 3 years since I worked on one so I very well might be wrong however i think not.
SOS doesn't fact check their columns so i tend to take anything Gordan Reid writes with a grain of salt.
ReplyDeleteI am pretty sure that there is only one filter circuit for the PS3100 that all the Signal Gens are routed through. I'll check my schemos but I am 98% sure of this.
Its been about 3 years since I worked on one so I very well might be wrong however i think not.
well just double checked and Gordon is right and i am wrong. I guess I was thinking of the polymoog.
ReplyDeleteI am still suspicious of SOS articles tho I do enjoy the read.
I can vouch for the 3300 having one filter per voice, having had the whole thing recapped a few months ago. The resonator filters, on the other hand, are global for each of the 3 sections.
ReplyDeleteI know the 3100 is supposed to be just one third of a 3300 with a chorus chip, but they're really quite different sounding instruments,and not just because there's always that perverse desire to keep the 3100's chorus chip on at all times. Don't ask me why.