| Front Page | Radio | Media | Forum | Wiki | Links |
and electronic music
|
|
Dedicated to
experimental electro-acoustic and electronic music |
|
|
| Search found 56 matches |
| Forum index » Search |
| Page 1 of 3 [56 Posts] | Goto page: 1, 2, 3 Next |
| Author | Message |
|---|---|
 Topic: Help with Wall-mart bipolar power supply |
|
| if837 Replies: 10 Views: 3475 |
Posted: Mon Jul 12, 2010 10:12 am Subject:
Help with Wall-mart bipolar power supply
Forum: DIY Hardware and Software » MusicFromOuterSpace.com designs by Ray Wilson |
| Here´s an illustration, is this the way to connect them ?
[url=http://img237.imagevenue.com/img.php?image=53788_connections_122_382lo.jpg][img=http://img237.imagevenue.com/loc382/th_53788_conne ... |
|
| Topic: Help with Wall-mart bipolar power supply |
|
| if837 Replies: 10 Views: 3475 |
Posted: Mon Jul 12, 2010 7:58 am Subject:
Help with Wall-mart bipolar power supply
Forum: DIY Hardware and Software » MusicFromOuterSpace.com designs by Ray Wilson |
| Thanks for the help.
I just have two more question. The dc socket has 3 pins on the back, could I just leave one pin empty since I only will use 2 cords. The powerswitch I bought is a 1 pole ... |
|
| Topic: Help with Wall-mart bipolar power supply |
|
| if837 Replies: 10 Views: 3475 |
Posted: Sun Jul 11, 2010 10:26 am Subject:
Help with Wall-mart bipolar power supply
Forum: DIY Hardware and Software » MusicFromOuterSpace.com designs by Ray Wilson |
| thanks.
Is the connection marked in red (topcopper) only used on the newer (updated)version? |
|
| Topic: Help with Wall-mart bipolar power supply |
|
| if837 Replies: 10 Views: 3475 |
Posted: Sat Jul 10, 2010 12:04 pm Subject:
Help with Wall-mart bipolar power supply
Forum: DIY Hardware and Software » MusicFromOuterSpace.com designs by Ray Wilson |
| http://img268.imagevenue.com/loc47/th_88279_01_122_47lo.jpghttp://img242.imagevenue.com/loc183/th_88287_02_122_183lo.jpghttp://img182.imagevenue.com/loc6/th_88294_03_122_6lo.jpghttp://img190.imagevenu ... | |
| Topic: Help with Wall-mart bipolar power supply |
|
| if837 Replies: 10 Views: 3475 |
Posted: Fri Jul 09, 2010 7:45 am Subject:
Help with Wall-mart bipolar power supply
Forum: DIY Hardware and Software » MusicFromOuterSpace.com designs by Ray Wilson |
| Thankyou RF for responding.
This is one of music from outerspace´s powersupplies. http://www.musicfromouterspace.com/analogsynth/WALLWARTSUPPLY/WALLWARTSUPPLY.php There are 2 versions on th ... |
|
| Topic: Help with Wall-mart bipolar power supply |
|
| if837 Replies: 10 Views: 3475 |
Posted: Thu Jul 08, 2010 2:21 pm Subject:
Help with Wall-mart bipolar power supply
Forum: DIY Hardware and Software » MusicFromOuterSpace.com designs by Ray Wilson |
| I wonder if anybody could tell me, what the connection should be, marked with red (topcopper)? I building the powersupply on a copperless breadboard.
http://img231.imagevenue.com/loc247/th_23 ... |
|
| Topic: placement of R2 (trimpot 100ohm)? VCF state varible |
|
| if837 Replies: 4 Views: 2285 |
Posted: Sat Jun 19, 2010 7:28 am Subject:
placement of R2 (trimpot 100ohm)? VCF state varible
Forum: DIY Hardware and Software » MusicFromOuterSpace.com designs by Ray Wilson |
| If you want to you could place it the other way around. Orientation is usually not important when it comes to a trim pot.
Thanks for letting me know, will be helpful in the future. |
|
| Topic: placement of R2 (trimpot 100ohm)? VCF state varible |
|
| if837 Replies: 4 Views: 2285 |
Posted: Thu Jun 17, 2010 11:56 am Subject:
placement of R2 (trimpot 100ohm)? VCF state varible
Forum: DIY Hardware and Software » MusicFromOuterSpace.com designs by Ray Wilson |
| thanks Mark for the help | |
| Topic: placement of R2 (trimpot 100ohm)? VCF state varible |
|
| if837 Replies: 4 Views: 2285 |
Posted: Wed Jun 16, 2010 6:12 pm Subject:
placement of R2 (trimpot 100ohm)? VCF state varible
Forum: DIY Hardware and Software » MusicFromOuterSpace.com designs by Ray Wilson |
| can someone tell me how this trimpot on R2 should be placed? There is no picture on MFOS website. | |
| Topic: Mica Silvered Capacitor replacement (for the VCO) |
|
| if837 Replies: 3 Views: 3262 |
Posted: Fri Jun 11, 2010 7:43 am Subject:
Mica Silvered Capacitor replacement (for the VCO)
Forum: DIY Hardware and Software » MusicFromOuterSpace.com designs by Ray Wilson |
| I've been struggling to find caps for my 3 MFOS VCOS. Can anyone advise me on the suitability of polypropylene caps to replace the silver mica at C6? Also how much of a problem would it be to replace ... | |
| Topic: Wallmart Power supply - can I use it in europe ? |
|
| if837 Replies: 2 Views: 1981 |
Posted: Wed Mar 17, 2010 8:05 am Subject:
Wallmart Power supply - can I use it in europe ?
Forum: DIY Hardware and Software » MusicFromOuterSpace.com designs by Ray Wilson |
| Hi
not sure if it is a linear or switching power supply, but this from Farnell looks to be euro plug: http://uk.farnell.com/ansmann/8161024/adaptor-mains-ac-ac-12vac/dp/1453783 Otherwise try th ... |
|
| Topic: Wallmart Power supply - can I use it in europe ? |
|
| if837 Replies: 2 Views: 1981 |
Posted: Tue Mar 16, 2010 4:55 pm Subject:
Wallmart Power supply - can I use it in europe ?
Forum: DIY Hardware and Software » MusicFromOuterSpace.com designs by Ray Wilson |
| I´ve bought every part for building the MFOS Wall-mart powersupply,
to find out that I cannot find the 12v AC to AC adaptor with EU plug. Has someone from europe build this, what adapter did you us ... |
|
| Topic: Adsr problem: Not working attack, decay and release pots |
|
| if837 Replies: 1 Views: 1466 |
Posted: Mon Mar 15, 2010 6:36 pm Subject:
Re: Adsr problem: Not working attack, decay and release pots
Forum: DIY Hardware and Software » MusicFromOuterSpace.com designs by Ray Wilson |
| Hello,
Please I need some help! I´m building a small MFOS modular synth at +/-12 with original pcb´s and kits from bridechamber. At the moment I've built 1 vco, 1 dual vca and 2 adsr´s and I have ... |
|
| Topic: Does the MFOS modular have balls? |
|
| if837 Replies: 2 Views: 1687 |
Posted: Mon Mar 15, 2010 6:24 pm Subject:
Re: Does the MFOS modular have balls?
Forum: DIY Hardware and Software » MusicFromOuterSpace.com designs by Ray Wilson |
| Am trying to decide how to build a modular synth. The MFOS modules look really nice and the mp3 sound samples are great, but mp3s misrepresent how things sound, so how ballsy is the sound really? I'm ... | |
| Topic: Linear V-mount Trim Pot (2k ohm) ? |
|
| if837 Replies: 3 Views: 3192 |
Posted: Mon Mar 01, 2010 5:37 pm Subject:
Linear V-mount Trim Pot (2k ohm) ?
Forum: DIY Hardware and Software » MusicFromOuterSpace.com designs by Ray Wilson |
| probably is´nt 3296, as they are inline as you said (the picure gives you a different impression),
could it be ? 2K ohm Potentiometer Trimmer Pot 3250P-202 BOURNS http://img205.imageshack.us ... |
|
| Topic: Linear V-mount Trim Pot (2k ohm) ? |
|
| if837 Replies: 3 Views: 3192 |
Posted: Mon Mar 01, 2010 2:06 pm Subject:
Linear V-mount Trim Pot (2k ohm) ?
Forum: DIY Hardware and Software » MusicFromOuterSpace.com designs by Ray Wilson |
| Linear V-mount Trim Pot (2k ohm) ?
Does this mean that I should get a 2K ohm multi-turn tim potentiometer like Bourns 3266 (3266w) http://img408.imageshack.us/img408/1402/minitrimpot3266w ... |
|
| Topic: Is someone ordering from Mouser ? |
|
| if837 Replies: 3 Views: 2356 |
Posted: Thu Feb 11, 2010 6:43 pm Subject:
Is someone ordering from Mouser ?
Forum: DIY Hardware and Software » MusicFromOuterSpace.com designs by Ray Wilson |
| rush online will probably be a better deal for that
for polystyrene or silver mica caps they are hard to beat and they won't kill you with stupid postal rates like mouser I just found out that th ... |
|
| Topic: sub oscillation |
|
| if837 Replies: 5 Views: 3733 |
Posted: Thu Feb 11, 2010 9:14 am Subject:
sub oscillation
Forum: DIY Hardware and Software » MusicFromOuterSpace.com designs by Ray Wilson |
| roland sh09 uses a sub oscillator, you could perhaps start with looking at the service notes. I´m also interested, to know if someone has figured out the partslists for SH09 with suggestions for repl ... | |
| Topic: Have you built one? |
|
| if837 Replies: 9 Views: 4044 |
Posted: Thu Feb 11, 2010 8:54 am Subject:
Have you built one?
Forum: DIY Hardware and Software » MusicFromOuterSpace.com designs by Ray Wilson |
| thanks for clearing this up
so I just replace it with the same value but an metal resistor instead. I dont have to replace it with 5 metalresistors (1% x5)= matched resistors? |
|
| Topic: Have you built one? |
|
| if837 Replies: 9 Views: 4044 |
Posted: Wed Feb 10, 2010 7:44 pm Subject:
49.9K, 499K resistors
Forum: DIY Hardware and Software » MusicFromOuterSpace.com designs by Ray Wilson |
| the 49.9K and 499K resistors stated as value 5% (carbon)
I can´t find any, shoud´nt it be 1% metal resistors ? |
|
| Topic: Have you built one? |
|
| if837 Replies: 9 Views: 4044 |
Posted: Wed Feb 10, 2010 11:22 am Subject:
Have you built one?
Forum: DIY Hardware and Software » MusicFromOuterSpace.com designs by Ray Wilson |
| next time I will try and do the same, order everything from Mouser.
unfortunately I don´t have a credit card and they charge a $25 fee for using their bankaccount. But it will probably be cheaper th ... |
|
| Topic: Mica Silvered Capacitor replacement (for the VCO) |
|
| if837 Replies: 3 Views: 3262 |
Posted: Wed Feb 10, 2010 8:48 am Subject:
Mica Silvered Capacitor replacement (for the VCO)
Forum: DIY Hardware and Software » MusicFromOuterSpace.com designs by Ray Wilson |
| Anyone looking for Mica Silvered Capacitors replacement (for the VCO) could use
Polystyrene Film Capacitors. Styrene 50v .005uf, Radial, mouser catalogue no: 23PW250 mouser also have data sheets ... |
|
| Topic: Have you built one? |
|
| if837 Replies: 9 Views: 4044 |
Posted: Wed Feb 10, 2010 8:33 am Subject:
Have you built one?
Forum: DIY Hardware and Software » MusicFromOuterSpace.com designs by Ray Wilson |
| thankyou
could I use normal electrolytic capacitors instead of tantalums in most cases if I can´t find the right tantalums values ? |
|
| Topic: Is someone ordering from Mouser ? |
|
| if837 Replies: 3 Views: 2356 |
Posted: Wed Feb 10, 2010 8:23 am Subject:
Is someone ordering from Mouser ?
Forum: DIY Hardware and Software » MusicFromOuterSpace.com designs by Ray Wilson |
| yes, I will try them instead since I don´t have a credit card.
Mouser obviously wants both $25 for handling banktransfers orders, and there is no information if I also have to pay my own bankcosts + ... |
|
| Topic: adsr partlist |
|
| if837 Replies: 2 Views: 1988 |
Posted: Wed Feb 10, 2010 8:13 am Subject:
adsr partlist
Forum: DIY Hardware and Software » MusicFromOuterSpace.com designs by Ray Wilson |
| Thanks Denis.
So if I don´t find tantalum´s, I could use normal electrolytic capacitors in both place C15, and C16 ? |
|
| Page 1 of 3 [56 Posts] | Goto page: 1, 2, 3 Next |
| Forum index » Search |
FAQ
Calendar
Search
Memberlist
Usergroups
Register
Profile
Log in to check your private messages
Log in
Chat Room