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urbanscallywag
Joined: Nov 30, 2007 Posts: 317 Location: sometimes
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Posted: Fri Sep 19, 2008 12:55 pm Post subject:
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Samples please? Anyone? |
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mome rath
Joined: Dec 31, 2005 Posts: 15 Location: the soft under-bellies of 20 carbon dogs
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Posted: Fri Jan 16, 2009 6:20 pm Post subject:
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Blue Hell wrote: | Uncle Krunkus wrote: | and tap the pliers with a larger set of pliers or small hammer. The pin will just pop out. |
And when you're lazy you can just push them out with a hot iron |
correct, sir!! |
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jeffery girlsbottom
Joined: Jun 22, 2008 Posts: 27 Location: OZ
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Posted: Fri Jun 19, 2009 11:49 am Post subject:
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how is this going?
any hope this would still work on a juno or a jupiter 6? |
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radek tymecki
Joined: Mar 22, 2009 Posts: 85 Location: PL
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Posted: Sat Jun 20, 2009 5:31 am Post subject:
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any chance with making tutorial?
i have few ssm2044 and i'd like to use it instead of juno's vcf!
thanks |
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johans121
Joined: Jun 19, 2007 Posts: 178 Location: Huntsville, AL (USA)
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Posted: Sun Jun 21, 2009 12:50 am Post subject:
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This is a fascinating thread! I have a friend who has an HS60 (juno 106 w/speakers) with a couple dead voices and this may very well be a solution worth pursuing. Please continue to post your progress! _________________ Don't feed me Indian, you WILL regret it!
-Jim |
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radek tymecki
Joined: Mar 22, 2009 Posts: 85 Location: PL
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Posted: Mon Jun 22, 2009 7:33 am Post subject:
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agreed. mine has 2 dead voices. |
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Sebo
Joined: Apr 27, 2007 Posts: 564 Location: Argentina
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jeffery girlsbottom
Joined: Jun 22, 2008 Posts: 27 Location: OZ
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Posted: Thu Jun 25, 2009 2:44 pm Post subject:
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probably could start buying voice-dead Juno 106s and fix the chips like he has and sell them. hope this and the filter replacement can be more discussed by those with knowlodge. |
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Mooger5
Joined: May 02, 2007 Posts: 199 Location: Portugal
Audio files: 8
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Mooger5
Joined: May 02, 2007 Posts: 199 Location: Portugal
Audio files: 8
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Mooger5
Joined: May 02, 2007 Posts: 199 Location: Portugal
Audio files: 8
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Mooger5
Joined: May 02, 2007 Posts: 199 Location: Portugal
Audio files: 8
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Mooger5
Joined: May 02, 2007 Posts: 199 Location: Portugal
Audio files: 8
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radek tymecki
Joined: Mar 22, 2009 Posts: 85 Location: PL
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Posted: Fri Aug 07, 2009 11:21 pm Post subject:
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is there any chance for proto-pcb ?
it'll be easier 4 me |
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jwilsey
Joined: Feb 24, 2009 Posts: 31 Location: Taichung City
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Posted: Mon Aug 10, 2009 8:41 am Post subject:
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Sweet! I am all over this. I am glad that you found the time to work on this mooger, good stuff. |
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Mooger5
Joined: May 02, 2007 Posts: 199 Location: Portugal
Audio files: 8
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Posted: Mon Aug 10, 2009 3:06 pm Post subject:
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OK, what you see is not finished yet. And I´ll probably give up on this one. A few resistors are not yet soldered, still lots of traces to cut and due to the power rails and connections between the chips there´ll be lots of noodles flying around. This one would resemble the innards of an old japanese radio. There´s plenty of space, so no reason to cram the components in such small boards. Besides it won´t provide the best ventilation. I think I´ll make a neater solution.
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radek tymecki
Joined: Mar 22, 2009 Posts: 85 Location: PL
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Posted: Tue Aug 11, 2009 9:37 am Post subject:
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ok we're waiting then! |
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Mooger5
Joined: May 02, 2007 Posts: 199 Location: Portugal
Audio files: 8
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radek tymecki
Joined: Mar 22, 2009 Posts: 85 Location: PL
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Posted: Fri Aug 14, 2009 6:46 am Post subject:
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ok i'm waiting for final protoboard and calibration procedure |
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Mooger5
Joined: May 02, 2007 Posts: 199 Location: Portugal
Audio files: 8
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Posted: Mon Aug 17, 2009 4:15 am Post subject:
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Sorry, what final proto-board? The final layout is already posted there. Just populate the board exactly as pictured and it will work. Ok, there are a few errors: there is no IC4 (you can blame the program for that one) , one of the caps is not 180pf but 820 instead and one resistor is wired twice to ground, but they´re easily verified when compared to the drawn schematic.
As for the calibration procedure, just follow the service manual indications, but do it after all the six boards are installed. There will be six aditional active devices (the TL081s) that I expect will draw a bit more current, with possible voltage dropping, so it´ll be best to start by calibrating the power supply. |
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Mooger5
Joined: May 02, 2007 Posts: 199 Location: Portugal
Audio files: 8
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Posted: Mon Aug 17, 2009 4:21 am Post subject:
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jwilsey wrote: | Sweet! I am all over this. I am glad that you found the time to work on this mooger, good stuff. |
Thanks! I finished one board last night and it worked first time. "Only" five to go now. Don´t hesitate to ask for help if necessary. |
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Mooger5
Joined: May 02, 2007 Posts: 199 Location: Portugal
Audio files: 8
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Posted: Wed Aug 19, 2009 4:09 pm Post subject:
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Here is the first module. The solder side looks a mess but it´s working faultlessly. I used wirewrap wire and the components´ "legs" straight connected where possible. Finally I insulated the solder side with Plastik 70 spray.
It´s a tedious job. Takes more time to make one module than to populate six manufactured PCBs, so I´m already divaguing whether or not the filter directly linked to the vca would be a better option. At least getting rid of that extra opamp would make everything much easier to assemble. It was one of the initial attempts and it all sounded either weak or distorted, but I think I know where the fault lies, now. Tomorrow I´ll breadboard it (it will be the last attempt, I promise) and keep you all posted.
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johans121
Joined: Jun 19, 2007 Posts: 178 Location: Huntsville, AL (USA)
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Posted: Thu Aug 20, 2009 12:21 am Post subject:
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Mooger5 wrote: | Here is the first module. |
THAT, sir, is F'ing awesome! _________________ Don't feed me Indian, you WILL regret it!
-Jim |
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mono-poly
Joined: Jul 07, 2004 Posts: 937 Location: Rotterdam, Netherlands
Audio files: 2
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Posted: Sun Aug 23, 2009 2:30 am Post subject:
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cool man! |
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Mooger5
Joined: May 02, 2007 Posts: 199 Location: Portugal
Audio files: 8
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Posted: Mon Aug 24, 2009 1:13 pm Post subject:
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Always good to hear words of approval! Thanks guys
Well, I was about to post my recent thoughts on the CEM3396 as a cheaper and far easier to assemble alternative for the project, but I better not get myself carried away by it. The 2044 sounds fantastic and it´s time to reckon the fun is over and the serious work awaits. |
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