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Stomp Box Adapter IC : Long Life TLO71

2005-07-24 by modulardiyer

> > In the Stomp Box Adapter CGS-60, > > which IC would best substitute the TL071 without to many problems...? > I understand that the 5532/5534 is conducive to low input > impedances. Guitar amps have high input impedance, 1M or more. Yeah ! Thank you for your answer. I've seen

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Re: Stomp Box Adapter CGS-60 High quality IC

2005-07-23 by Andre Majorel

On 2005-07-21 20:17 -0000, modulardiyer wrote: > In the Stomp Box Adapter CGS-60, > which IC would best substitute the TL071 without to many problems...? > > NE5534 ? > > OP275 ? I understand that the 5532/5534 is conducive to low input impedances. Guitar amps have high input imp

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Re: Stomp Box Adapter CGS-60 High quality IC

2005-07-22 by peng3002

I've built a bunch of these and similar (EFM) preamp circuits. Some I used dual opamps, others single opamps. I used this setup to test the preamps - Serge Gainsbourg mp3s of "Psychasténie" and "Requiem Pour Un Con" output through a M-Audio Delta 66 soundcard into a Mackie 1604VL

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Re: 2N2222 / Steiner VCF

2005-07-22 by grant tucker

Thanks to all who posted info re:2N2222. I tracked some down on ebay. If anyones interested, heres the link. http://cgi.ebay.com.au/ws/eBayISAPI.dll?ViewItem&item=7509713243&rd=1&sspagename=STRK%3AMEWA%3AIT&rd=1 Grant --- sci700 dpf@... > wrote: ---------------------------------

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Re: 2N2222 / Steiner VCF

2005-07-21 by sci700

yeah, the only info i found was on some radio schematic where TO92 versions were used, and it seemed to be as you say, but it didn't work like that on my steiner vcf, though it worked when i reversed them. maybe there are different versions depending on manufacturer..? i guess it

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Re: 2N2222 / Steiner VCF

2005-07-20 by Dave Kendall

Oops. The attachments don't seem to have made it through yahoo, so go to alldatasheet.com to get them. on 20/7/05 10:34, Dave Kendall at davekendall@... wrote: > Hi guys. > > I found the attached .pdfs on http://www.alldatasheet.com/ > . The ones > showing TO92 pinouts show that

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Re: 2N2222 / Steiner VCF

2005-07-20 by Dave Kendall

Hi guys. I found the attached .pdfs on http://www.alldatasheet.com/ > . The ones showing TO92 pinouts show that it goes C B E from left to right with flat side down, legs toward you. Hmmmm...... on 19/7/05 23:53, Richard Brewster at pugix@... wrote: For any part just Google it. 2

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Re: 2N2222 / Steiner VCF

2005-07-19 by grant tucker

thanks sci700 regards --- sci700 dpf@... > wrote: --------------------------------- hi, if it's not the regular metal version but the black to-92 type, the emitter seems to be pin one (flat side down, legs towards you, pin one is the left one). So the flat side should be facing l

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Re: 2N2222 / Steiner VCF

2005-07-19 by Richard Brewster

For any part just Google it. 2N2222 in a Google search finds datasheets for whatever package you might have. -Richard Brewster sci700 wrote: >hi, if it's not the regular metal version but the black to-92 type, the emitter seems to >be pin one (flat side down, legs towards you, pi

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Re: 2N2222 / Steiner VCF

2005-07-19 by sci700

hi, if it's not the regular metal version but the black to-92 type, the emitter seems to be pin one (flat side down, legs towards you, pin one is the left one). So the flat side should be facing left (away from the unicorn on the pcb...). i had to find it out the hard way, did it

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2N2222 / Steiner VCF

2005-07-19 by mesonproductions

I with my limited knowledge thus far got some 2N2222 for the Steiner VCF from jaycar and are unsure as to the placing them on the PCB. their shape seems somewhat different to that on the board. Can they be used, and if so, which bit goes into which hole on the board. Alternativel

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BB Delay chips

2005-07-18 by Skye Klein

Hey, slightly off topic, but.. found on the net that Visual Sound are producing bucket brigade delay chips. http://www.visualsound.net/bbd.htm Does anyone know of a good source for schamatics that utilise these chips? cheers, sk.

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Re: Ringmod-Oakley VCO Problem?

2005-07-18 by davevosh@aol.com

In a message dated 7/17/2005 4:02:09 PM Pacific Daylight Time, sasami@... writes: > . My solution > >was to use a TL074 as voltage followers / buffers on the two inputs > >and as a non inverting amplifier on the output to bring the gain back > >to unity as it drops the output sig

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Re: Ringmod-Oakley VCO Problem?

2005-07-17 by sasami@hotkey.net.au

Cross posted from the Oakley list. Of interest to those with Real Rings. Ken >I have a CGS real ring modulator too, it is a very difficult load to >drive and does all kinds of funny things to the waveshape and levels >of oscillators driving it, I had similar problems using it wit

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Re: Stomp Box Adapter CGS-60 with potentiometers

2005-07-16 by modulardiyer

Many thanks for your answer. I'm enthousiastic about it ! Cheers, Emmanuel --- In cgs_synth@yahoogroups.com , sasami@h... wrote: > > >Then I wondered : why do not swap the switch and resistors by to > >potentiometers, one for amplifying, the other (passive circuit)to > >lower gai

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Re: Stomp Box Adapter Relay

2005-07-16 by modulardiyer

Can anybody give me the reference of its relay for CGS-46 ? Cheers, Emmanuel --- In cgs_synth@yahoogroups.com , "modulardiyer" wrote: > Hi all, > > I'm planning to build the Stomp Box Adapters (CGS46 PCB & CGS60)and > I'm looking for 12V relay here in France and can't really choo

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Re: Real Ring and Oakley VCO - Problem

2005-07-14 by waveform100

Ups, sorry and thanks! --- In cgs_synth@yahoogroups.com , sasami@h... wrote: > >Sorry Ken, but this was not my question. I know how a Ring Mod works. > >Of course the Ring Mod changes the incoming Waveform. But if I split > >up the incoming Sine from the Oakley Sine BEFORE I go i

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Re: Real Ring and Oakley VCO - Problem

2005-07-14 by sasami@hotkey.net.au

>Sorry Ken, but this was not my question. I know how a Ring Mod works. >Of course the Ring Mod changes the incoming Waveform. But if I split >up the incoming Sine from the Oakley Sine BEFORE I go into the >RingMod and listen to the Sine (still directly from the VCO, not from >the

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Re: Real Ring and Oakley VCO - Problem

2005-07-14 by waveform100

Sorry Ken, but this was not my question. I know how a Ring Mod works. Of course the Ring Mod changes the incoming Waveform. But if I split up the incoming Sine from the Oakley Sine BEFORE I go into the RingMod and listen to the Sine (still directly from the VCO, not from the Ring

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Re: Real Ring and Oakley VCO - Problem

2005-07-13 by sasami@hotkey.net.au

Signal into one end, output from the other end. Carrier (modulating signal) into the center terminals. The ring mod will load the output of what you connect it to, so if the output is very weak, it will drop in volume. If you feed sine waves of the same frequency into both one en

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Real Ring and Oakley VCO - Problem

2005-07-13 by waveform100

When I patch a Sine from any of my Oakley VCO's into any of the Real Ring Inputs (or out) and hear at the same time the Sine (with a Multiple), the Sine is completely changed. I cannot hear the Ringmod- Outs at the same time as the unmodulated Sine from the VCO, because there is

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Re: steiner capacitor advice

2005-07-13 by Bob

I think you are talking about those MKT caps, try 505-MKP20.01/100/5 from Mouser... H --- In cgs_synth@yahoogroups.com , "eblake_smith" wrote: > I was about to order parts from mouser based on a list on the > internet to put together a steiner vcf. Unfortunately one of the > list

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Re: steiner capacitor advice

2005-07-13 by sasami@hotkey.net.au

Just about any 100n / 0.1uF cap will do. Ken >I was about to order parts from mouser based on a list on the >internet to put together a steiner vcf. Unfortunately one of the >listed parts, the 100n capacitor, has been discontinued. It was a >polyester capacitor. Anyways, there is

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Re: steiner capacitor advice

2005-07-13 by Ryan Williams

yes metalized is fine. I pretty much always use those in the audio path, and in my steiner filter. someone said they were better but I doubt I'd ever notice the difference. the important things to check are: pin spacing, you'll want 0.2" lead spacing for this one. and voltage, ge

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steiner capacitor advice

2005-07-13 by eblake_smith

I was about to order parts from mouser based on a list on the internet to put together a steiner vcf. Unfortunately one of the listed parts, the 100n capacitor, has been discontinued. It was a polyester capacitor. Anyways, there is a similar "metalized" polyester capacitor and I'

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Re: Stomp Box Adapter Gain

2005-07-11 by sasami@hotkey.net.au

>Then I wondered : why do not swap the switch and resistors by to >potentiometers, one for amplifying, the other (passive circuit)to >lower gain...? Why not? >AMP : 470 for x20, 1k for x10 and 2k2 for x5, 4k7 for x2.5...? >ATT : 1k for x20, 2k2 for x10 and 4k7 for x5, 10k for x2.

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Rec: Stomp Box Adapter Gain CGS-60

2005-07-11 by modulardiyer

--- In cgs_synth@yahoogroups.com , "modulardiyer" wrote: > Hi... > > "The preamplifier of the stomp box adapter [has] an AC gain of 20", > and in order to have a gain of 10, I was thinking about a swtich > to change the two resistors. Talkin' about the CGS-60 PCB (the smallest Ad

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Stomp Box Adapter Gain

2005-07-11 by modulardiyer

Hi... "The preamplifier of the stomp box adapter [has] an AC gain of 20", and in order to have a gain of 10, I was thinking about a swtich to change the two resistors. (The AC gain can be reduced if need by by increasing the value of the 470R resistor. For example, a 1k resistor

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Stomp Box Adapter Relay

2005-07-11 by modulardiyer

Hi all, I'm planning to build the Stomp Box Adapters (CGS46 PCB & CGS60)and I'm looking for 12V relay here in France and can't really choose any reference...some costs up to 20$... I've checked the pins on the PCB component layout, and none seems to fit (10 pins instead of 2x4=8)

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Re: Order!

2005-07-10 by sasami@hotkey.net.au

>Hi Ken. >How do I order your PCB's? Look at whats in stock, email me with your list to make sure I have them, then pay via paypal. >...and can I use a curetronic.de +/-15V power supply through a doepfer >bus to feed power to CGS? Yes, though you will need to wire up your own pow

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Re: psycho lfo responce

2005-07-10 by dustin sedlacek

upon closer inspection , it seems to be a strange ground issue ....details coming soon On 7/10/05, Adam Schabtach adam@... > wrote: > > A magnifying glass is handy for checking solder joints. Make sure all of > them are solid-looking, smooth, and shiny. > > --Adam > > > -----Orig

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Re: psycho lfo responce

2005-07-10 by Adam Schabtach

A magnifying glass is handy for checking solder joints. Make sure all of them are solid-looking, smooth, and shiny. --Adam > -----Original Message----- > From: sasami@... [mailto: sasami@... ] > Sent: Saturday, July 09, 2005 5:37 PM > To: cgs_synth@yahoogroups.com > Subject: Re:

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Order!

2005-07-10 by boward_k

Hi Ken. How do I order your PCB's? ...and can I use a curetronic.de +/-15V power supply through a doepfer bus to feed power to CGS?

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Re: psycho lfo responce

2005-07-09 by sasami@hotkey.net.au

Sounds like a bad connection or solder joint or a miswiring somewhere. Ken >im not getting anything out of the lfo untill i touch the pc board >then it works fine but touching my boards isnt how i want to make >music i want it to work properly ...any ideas on what i may have done

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psycho lfo responce

2005-07-09 by ed.j.wise

im not getting anything out of the lfo untill i touch the pc board then it works fine but touching my boards isnt how i want to make music i want it to work properly ...any ideas on what i may have done wrong ?

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Re: front panels

2005-07-09 by yves usson

Hi Jeff uses Synthesizer.com blank panels and silkscreen them as explained on its web site : http://www.guitarfool.com/Silkscreen.html I have ordered the silkscreening gear and some blank panels and I will give it a try.... > New member. Jeff Brown's panels - awesome. > Are they

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front panels

2005-07-09 by tardisstudios

New member. Jeff Brown's panels - awesome. Are they anodised or screen printed? Lazertran? I have moog metalwork that I want to build modules with.

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Off topic security article

2005-07-08 by Larry T.

I would like to share this article with everyone. It has nothing to do with music synthesis. It is related to computers and provides some thoughts that I believe are of value. Since you have joined this group and are obviously using a computer, this is relevant to you. I hope you

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Re: 4006 score!

2005-07-06 by charlesosthelder

Excellent! Now there is a small cache (4) of 4006's in both Spain and Australia. I'll keep searching for more, and I still have 10-12 left. Don't hesistate to ask! Just order a Digital Noise pcb. Chub --- In cgs_synth@yahoogroups.com , Josue Arias wrote: > 4006s here! Thanks Chub

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Re: 4006 score!

2005-07-06 by Josue Arias

4006s here! Thanks Chub!!! Josue. 2005/7/1, Scott E. yahudinyhwh@... >: > yes, thank you Chub for your generosity > > Scott E. > =============================================================== > brett x wrote: > > >Hi All > > > >The chips arrived today from chub so had to post a

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Re: Re[2]: [cgs_synth] PSU WallWart question

2005-07-04 by sasami@hotkey.net.au

>One question - the schem has a pad for center tapping from the >transformer, but the psu you linked to has only two wires.. how does >this work? There is a note on the page about it. When using a single coil transformer or wall-wart/plugpack, you connect one of the AC wires to t

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Re: Re[2]: [cgs_synth] PSU WallWart question

2005-07-04 by Laurie Biddulph

These power supplies are single voltage output ones only . The Earth is not connected to either of these but can be if desired for safety reasons. You would need two of these for Kens equipment or any system requiring both a + and a - supply. You need to move down to N16680 which

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Re[2]: [cgs_synth] PSU WallWart question

2005-07-04 by stk

Thanks Ken! > It won't have +/- connections if it is AC - just two AC connections. oops, my theory's obviously a bit lacking. One question - the schem has a pad for center tapping from the transformer, but the psu you linked to has only two wires.. how does this work? Thanks agai

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Re: PSU WallWart question

2005-07-04 by sasami@hotkey.net.au

>17V AC unregulated / 1.25A >+/- and Earth connections. It won't have +/- connections if it is AC - just two AC connections. This one would also work: http://www1.jaycar.com.au/productView.asp?ID=MP3021 What's more, they would power a lot more than you are suggesting. 500ma would

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PSU WallWart question

2005-07-04 by skye

Hi all, I found the following wallwart psu at the local Jaycar (Australia) - can anyone please advise as to whether this is suitable to drive the CGS +/-15 PSU for, say, four Steiner vcf's and a couple of util LFO's? 17V AC unregulated / 1.25A +/- and Earth connections. http://ww

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Re: 4006 score!

2005-07-01 by Scott E.

yes, thank you Chub for your generosity Scott E. =============================================================== brett x wrote: >Hi All > >The chips arrived today from chub so had to post a big thanks to him for >sending some to the other side of the globe for nothing!....hope on

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Re: 4006 score!

2005-06-30 by brett x

Hi All The chips arrived today from chub so had to post a big thanks to him for sending some to the other side of the globe for nothing!....hope one day i can return the generous favour ;) cya Brett >From: "charlesosthelder" osthelder@... > >Reply-To: cgs_synth@yahoogroups.com >T

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Re: 4006 source

2005-06-30 by charlesosthelder

Thanks for the heads up, Scott! I've never dealt with Halted. They just turned up the 4006's and a price. I'll keep looking for unsold stock. --- In cgs_synth@yahoogroups.com , "Scott Stites" wrote: > I like Halted, but it's a bit like gambling, or halfway like ordering a > semi-

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Re: 4006 source

2005-06-30 by Scott Stites

I like Halted, but it's a bit like gambling, or halfway like ordering a semi-surprise grab bag. In other words, ordering from Halted can yield some.....interesting........results. Don't be surprised if your order gets fairly screwed up. As an example of what I mean, on occasion I

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