PAiA Fatman?

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PAiA Fatman?

Postby Box » Fri Jun 06, 2008 7:53 pm

I've been thinking about dropping a Fatman rack unit into the keytar I'm building (cheap Liberation, lol) and looking through the PAiA site has provided me with lots of info except as to what the voltage requirements are. I would think it'd be in the 9-12V range, but I could be wrong. Also looking at the technical specs something bothered me...the filter is ASR envelope. Does this mean that "laser beam" sounds are impossible? On my basses I like to run instant attack, short decay, and no sustain and no release on the filter to give some "punch" to the sound. This is seriously detouring me from the Fatman. I was wondering if anyone here knew that if the "sustain" is really "decay/sustain" together. Any info is graciously accepted. Also, if you know of any other rack units that are 19"X3.5" (LengthXHeight, depth isn't an issue) and run on 9-12V please tell me. Thanks for your time.
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Postby Henfield » Fri Jun 06, 2008 9:28 pm

According to the parts list and the instructions, which are available as a .pdf from the Paia site, the power supply is 12V - 14V 500mA.

The issue of the ASR envelope for the Filter vs the ADSR for the VCA is a point of personal preference. The fact that you actually have separate envelope generators for the Filter and VCA is a bonus in this price range. Most "budget" model analog synths, such as the Moog Rogue (Realistic MG-1, Moog Taurus II), , ARP Axxe, ARP Solus, Roland SH-101, Korg MS-10, and Yamaha CS-01. If you are handy with electronics you could possibly switch and use the ADSR envelope for the filter.
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Postby Box » Fri Jun 06, 2008 10:15 pm

Thanks Henfield. My step-dad was an electronics tech for 20 years with the Navy so he'll be able to help me. Guess I overlooked the site on the voltage. :oops:
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Postby carbon111 » Fri Jun 06, 2008 11:08 pm

The VCF has a dedicated front panel switch to take sustain out. Problem solved.
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Postby Box » Fri Jun 06, 2008 11:26 pm

carbon111 wrote:The VCF has a dedicated front panel switch to take sustain out. Problem solved.


It's not the sustain that's the problem. It's the lack of decay.
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Postby carbon111 » Sat Jun 07, 2008 12:09 am

Dude.

Without a sustain segment, Release is Decay. :idea:
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Postby Box » Sat Jun 07, 2008 1:08 am

carbon111 wrote:Dude.

Without a sustain segment, Release is Decay. :idea:


Oh yeah, you got a point there. Stupid me. :oops: Thanks for pointing that out. :) I was wondering as to how they were getting 303 sounds without decay. :P Thanks James for pointing out my stupidity. :wink:
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Postby Suburban Bather » Sat Jun 07, 2008 1:40 am

Can anybody comment on the sound of a Fatman? I already have a .Com modular. It would be cool to have a very cheap and portable mono synth. Is it worth building one just for the hell of it? The only soldering experience I have is with cables. If I were to build one, I would not be in any rush what so ever to finish it. I know people always say, "never rush a DIY kit or any."
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Postby Box » Sat Jun 07, 2008 2:22 am

Suburban Bather wrote:Can anybody comment on the sound of a Fatman? I already have a .Com modular. It would be cool to have a very cheap and portable mono synth. Is it worth building one just for the hell of it? The only soldering experience I have is with cables. If I were to build one, I would not be in any rush what so ever to finish it. I know people always say, "never rush a DIY kit or any."


Sound samples can be found on their main site: http://www.paia.com
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Postby carbon111 » Sat Jun 07, 2008 2:28 am

Suburban Bather wrote:Can anybody comment on the sound of a Fatman?


It actually sounds pretty good! The only caveat I noticed was when the oscillators are tuned close, they tend to phase lock - so "slowly beating" detune is impossible. There is a mod to fix it though...there are tons of mods for the Fatman.

-----------------------

To the OP, I wasn't trying to point out any stupidity, just trying to make my first answer a little clearer. ;)
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Postby Box » Sat Jun 07, 2008 2:40 am

carbon111 wrote:To the OP, I wasn't trying to point out any stupidity, just trying to make my first answer a little clearer. ;)


Important thing is that you took the time to help me. Now I can get the Fatman and know it'll do the sounds I need. Filter decay (or release in Fatman's case) FTW! :P
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Postby Suburban Bather » Sat Jun 07, 2008 2:40 am

Yea, I've heard the samples on the Paia page and they do sound good. I just like to hear feedback from people that have actually played the instrument.

If the mods aren't anymore difficult than building the rest of the synth, then I think I should dive in soon. I love detuning oscillators, so that mod would be a must.

Thanx fellas!
Thomas
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Postby Box » Sat Jun 07, 2008 2:41 am

Suburban Bather wrote:Yea, I've heard the samples on the Paia page and they do sound good. I just like to hear feedback from people that have actually played the instrument.

If the mods aren't anymore difficult than building the rest of the synth, then I think I should dive in soon. I love detuning oscillators, so that mod would be a must.

Thanx fellas!
Thomas


Check YouTube, there are a few videos on there.
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Postby carbon111 » Sat Jun 07, 2008 2:47 am

Suburban Bather wrote:If the mods aren't anymore difficult than building the rest of the synth, then I think I should dive in soon. I love detuning oscillators, so that mod would be a must.


Here you go:

http://home1.gte.net/res0658s/fatman/MODSYouMustDo.html

:thumbright:
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Postby Box » Sat Jun 07, 2008 3:03 am

So, the pitch offset is in steps rather than semi-tones? This the mod they say to replace the original 3/4 turn pot with a 10-20 turn pot?
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