[sdiy] trying to understand appregiators in late 70's synths

Mon Jan 5 02:02:53 CET 2009

Dan...I have the ax60 above my p600 and karma and dss-1 to the right of 
me.  It does some pretty cool sounds but I'm thinking of moving it 
actually.  Something about it is just too much the same on everything.  
It's geared towards a grittier sound somehow and the SCI Multi-trak for 
instance is just way better I think on some types of sounds.  I don't 
know why because they BOTH are based around the CEM3394 synth on a 
chip.  Both single vco/voice 6 voice.  The MT sounds really great and 
the 60 just sounds kind of less natural somehow.  But for certain sounds 
it's great. 

AX73 also uses same chips architecture but it sounds a little better too 
I think in many ways.  Rounder.  Less boxy?   -Bob

Dan Snazelle wrote:

>somebody mentioned what a train wreck the ax60 arpregiator could be...well for about 4 years back in the late 90's i had a band that performed live electronic music.
>live drummer but 5 analog synths, super low end bass guitar,etc....anyway, the ax60 was one of my main synths back then and as much as i enjoyed the ability to save, and the split mode (bi timbral feature was nice), the few songs i used the appregiator on, i had to be really careful to start each note at the exact time or the drummer and I would end up in very different pockets.
>
>i am NOT knocking that synth though. i'd love to see the schematic for this synth. does anyone know what it had for a VCO? the filter was cem i believe (it sounded like it)
>impossible to find a schematic or service manual online...
>
>
>anyway.....
>
>thanks
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>--------------------------------------------
>check out various dan music at:
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>http://www.myspace.com/lossnyc
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>http://www.soundclick.com/lossnyc.htm
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>http://www.indie911.com/dan-snazelle
>(or for techno) http://www.myspace.com/snazelle
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>>Date: Sun, 4 Jan 2009 15:37:49 -0700
>>From: sounddoctorin at imt.net
>>To: aym-htnys at teaser.fr
>>Subject: Re: [sdiy] trying to understand appregiators in late 70's synths
>>CC: synth-diy at dropmix.xs4all.nl
>>
>>Sorry for not being clear there, but as to top posting it is just
>>something that I often do :-). ** (Below if you want to read my
>>philosophy on why I deliberately do this in most instances as a courtesy
>>to others. Sorry it didn't work out that way in this one..)
>>
>>Anyway I was talking about Jupiter 4. Like I said I *just* got the
>>first Jupiter 6 I've ever had a chance to play with much on my bench.
>>The arpeggiator is more like the Polysix it seems in feel. And indeed
>>while sure it's on a clock, It's just different in how it interfaces. I
>>haven't analyzed exactly what it is they did different. But when I play
>>a JP4 it seems to almost...anticipate what I want it to do. And I can
>>do really complex things without it doing something that sounds like "Oh
>>crud did he hit the wrong set of things THERE!". hehe. Jp6 native
>>(without Europa) is pretty good but not as good in that way for me.
>>Closer to the way it was done in polysix and mono/poly. I should do a
>>recording of the two and let you guys hear what I'm talking about
>>probably. I'll play nearly identically as I can a passage on those
>>arpeggiators and upload it today if I get a chance. There is already
>>a sample of me playing some jp4 arpeggiation on the sounddoctorin.com
>>page in the sdstudio section. Hit 'studio map' and then the bank of
>>keyboards that is listed below with the jp4 in it. -Bob
>>
>>** It frankly annoys me when people do not top post in most cases
>>because I have to re-sort through everything to figure out where the new
>>part of the post is which is sometimes extensive and sometimes people
>>weave things in between stuff and I miss it if I don't look carefully.
>>(ie. the logic works like this. I'm a busy guy and assume others are
>>too. I can't read every post. I look for things that I'm interested in
>>right now. I glance and if it's not something I currently have need to
>>read I quickly hit delete and move on. Others want to read that, they
>>don't hit delete. Great. We all have different interests no problem.
>>So optimally I like to see immediately the latest thing someone said in
>>a discussion. Even discussions I wasn't initially interested in *might*
>>have something tacked on that I am interested in. But if people bottom
>>post I just assume probably not and delete before I even see it often.
>>Just because it time averages out to my advantage that way.)
>>
>>I'm one of those guys who works all the numbers and optimizes everything
>>:-). Most conversations are of limited nesting unless people get into
>>an argument where they're insulting each other or something and I don't
>>give a flying rip about how those things go :-) But when I top post
>>it's so that someone can glance and BOOM move onto the next post if it's
>>not something they are immediately interested in. Chances are they've
>>already seen the stuff below. Why would they want to take even 4
>>seconds to maneuver down and find what I said. Multiply that 4 seconds
>>by 30 posts a day for a lot of us and that's 2 minutes a day. Multiple
>>that by 365 and that's 700 minutes a year and so on.
>>
>>The only time I recommend NOT top posting is when it's a thing that
>>requires some detailed interaction with the text below. I used to like
>>the vi editor because it was so quick to do a line by line reply in.
>>With the little>> 's instead of the lines that I still don't know how
>>to get rid of sometimes. But anyway I probably should have done that
>>kind of reply in this case to reduce ambiguity...I dunno.
>>
>>Andre Majorel wrote:
>>
>>    
>>
>>>On 2009-01-03 20:16 -0700, Bob Weigel wrote:
>>>
>>>
>>>      
>>>
>>>>Doug Terrebonne wrote:
>>>>
>>>>
>>>>
>>>>        
>>>>
>>>>>The ultimate arpeggiator is the Europa Jupiter-6. Check out all
>>>>>the features here -
>>>>>http://www.synthcom.com/Europa/support/EuropaUserGuideV1.0.pdf
>>>>>
>>>>>I think the earliest synth with an arpeggiator was the
>>>>>Jupiter-4 in 1979. Anyone know of one earlier?
>>>>>
>>>>>
>>>>>
>>>>>          
>>>>>
>>>>It's also one of the best in my opinion :-). Other arpeggiators
>>>>you have to hit right on the money or it's train wreck time.
>>>>Eg. Akai AX60 eg. Korg poly's etc.
>>>>
>>>>
>>>>        
>>>>
>>>Because you top-post, when you write "it", it's not clear whether
>>>you're referring to the Jupiter-4 or Jupiter-6.
>>>
>>>How can the output of an arpeggiator be a train wreck ? I thought
>>>notes were produced according to the clock, not to when the key
>>>was pressed...
>>>
>>>
>>>
>>>      
>>>
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>>    
>>
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