Re: new file
2009-01-27 by bbluthang
files articles activeLPFdesign.pdf
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new file
2009-01-24 by bbluthang
files articles philipsLabs.pdf discussion on techniques and instruments used in Philips labs in the 50s
Re: Tube Stereo Panner, 12 volts, using two 5672 pentodes - with soundclips
2008-10-11 by Fernando de Izuzquiza
... very nice! A voltage controlled version would be great too. I m following your circuits because they can work at 12V and are simple and nice, thank you!
Re: "crushed glass" double oscillator
2008-10-11 by Fernando de Izuzquiza
... I melted in joy
Information about Phantastron circuits.
2008-10-08 by Lorin Edwin Parker
Hello all, Due to a lack of information on Miller Time base circuitry, integrators, sanitrons and phantastrons, I just posted an article on my blog about
Re: Low Voltage tube VCF?
2008-10-04 by bbluthang
I used 6021 submini dual triodes on Rene s VCF, no problems (with the tubes at least), but not with low voltage - 150V. I think your main difficulty will be
Tube Stereo Panner, 12 volts, using two 5672 pentodes - with soundclips
2008-10-04 by frequencycentral
[IMG] http://i210.photobucket.com/albums/bb292/frequencycentral/dcc05983.jpg [/IMG] http://www.aronnelson.com/DIYFiles/up/Rhodes_Panner.mp3
Low Voltage tube VCF?
2008-10-04 by frequencycentral
Anyone do this? I ve had a few stabs with only moderate success. I m looking at Rene Schmitz s design next. I using 6111 submini dual triodes and 5672 submini
Re: [tubesynthdiy] Re: "crushed glass" double oscillator
2008-10-04 by sasami@hotkey.net.au
I gotta admit I was impressed with the sound. ... _______________________________________________________________________ Ken Stone sasami@hotkey.net.au
Re: "crushed glass" double oscillator
2008-10-04 by frequencycentral
... Well, yesterday I wasn t a membe, but today I am! I ve got some other stuff you guys might be interested in too...............
"crushed glass" double oscillator
2008-10-02 by Fernando de Izuzquiza
In case you didn t know about it (and maybe he s a member here?) http://experimentalistsanonymous.com/board/viewtopic.php?
Re: [tubesynthdiy] Re: Hello
2008-08-25 by nick huwar
Ok Thats just insanely cool. Don t quite understand how he used a klystron though. Nick
Re: Hello
2008-08-24 by bbluthang
Have you seen Verde, he seems to have a few big tubes too. http://verdeaudio.com/index.php?page=synthesizer
Re: [tubesynthdiy] Re: Hello
2008-08-24 by nick huwar
Hi Andrew, Yep this will be my first synth, and I have already bought some tube to start my putting together vco. I figured this stuff will be easier since I m
Re: Hello
2008-08-24 by bbluthang
Hi Nick Welcome will this be your first synth? maybe the hardest job is accumulating the components, but if you are already into tubes you should have a good
QuadVCO.tif ?
2008-08-23 by bbluthang
Hi Eric sorry to drag out this old chestnut. A while ago I saved a message you had posted (to synth diy?) way back in 1997, it contained a tiff packbits file
Hello
2008-08-23 by nickhuwar
Hi My names Nick I just joined the group. I v been wanting to build a synth for awhile and I m just getting around to it. I m into tube audio and I m a
Re: drum mach
2008-08-20 by metasonix2000
... Thanks! I ll ask them. PS--I m posting this Yahoo group to Deviant Synth. Hopefully you will get some new members.
Re: well well
2008-08-19 by drsyncenstein
A drum machine, now that s an idea. You should talk to Thorsten, he s the pic guru. The code for a drummachine is already there;
Re: well well
2008-08-19 by metasonix2000
... around to ... collect! Hey Ken! You ought to build a tube drum machine. Now that s something NOBODY has tried, since the Wurlitzer Sideman. Judd s book
Re: [tubesynthdiy] well well
2008-08-19 by sasami@hotkey.net.au
Hi Eric, I ve been to busy (or is that lazy) to bother. I did build a white noise generator out of a thyratron though. One of these days I ll get around to
well well
2008-08-19 by metasonix2000
I didn t even know about this group until Andrew told me about it. Very nice. I take it you guys have looked thru all those old circuits in the files section.
Re: tube synth #2
2008-07-31 by bbluthang
Have a look at the pics I put in old gear one day I d like to build synths looking like this....would have to grow a beard and smoke a pipe whilst playing
Re: [tubesynthdiy] tube synth #2
2008-07-30 by sasami@hotkey.net.au
Off looking at the pictures now :) I d love to do one as if it had been built back when tubes were usually used - wood panels, or back-painted perspex,
tube synth #2
2008-07-30 by bbluthang
Hi all looks like my first post describing this synth has disappeared so try again. finished first rack of a tube modular. pics in Photos. I am planning to
Re: this is serious tube diy
2008-07-11 by bbluthang
thanks for posting that, great video. it would be great to diy tubes... i suppose there are not many people left who know how to do so. ...
this is serious tube diy
2008-07-10 by Mark
Here is a video of someone making their own vaccuum tubes from scratch: http://dailymotion.alice.it/video/x3wrzo_fabrication-dune-lampe-triode_tech
update to CGS 65 tube VCA modifications and results
2008-05-25 by Mark
After spending more time using the tube vca, I found the output was not high enough to work well with other modules. So I changed the feedback resistor of the
more CGS 65 tube VCA modifications and results
2008-05-20 by Mark
I made a few more changes to my CGS 65 tube VCA. To summarize my previous post: I left off all of the diodes so the heater goes directly from -Ve to a 1.2K
Re: [tubesynthdiy] CGS 65 tube VCA modifications and results
2008-05-18 by Mark
... Well, it s still a work in progress. If you like, I can write up something for your website after I m finished. I m still trying to figure out the correct
Re: [tubesynthdiy] CGS 65 tube VCA modifications and results
2008-05-18 by sasami@hotkey.net.au
Interesting. Do you mind if I add this message to the VCA page as constructors notes? Ken ...
CGS 65 tube VCA modifications and results
2008-05-17 by Mark
I recently completed construction and initial testing of the VCA using a 1SH24B tube. I built it in MOTM-format using a panel and bracket from Bridechamber.
CV4014
2008-02-18 by Fernando de Izuzquiza
If you like some CV4014 there s an Australian eBay shop that have some (Mullard) eBay item 110172165765 Cheers, Fernando
Re: photomultipliers
2008-02-14 by Fernando de Izuzquiza
... don t bother, I just saw one... ... Hey, that sounds like the Iannis Xenakis IRCAM s UPIC , that would be super! Beyond Xenakis compositions, a composer
Re: photomultipliers
2008-02-14 by bbluthang
Hi Fernando I have seen a few books with photomultiplier circuits but none of them seemed suitable for synth apps....at least to me....2000V power supply and
photomultipliers
2008-02-13 by Fernando de Izuzquiza
Hi, Would the photomultipliers be of any use? Like the 2055 I just know of it s existance. best, Fernando
Re: [tubesynthdiy] Re: 6AG7 diode connected
2008-02-01 by sasami@hotkey.net.au
Remember that germanium signal diodes have a very low reverse voltage - often uner 10V, so make sure you don t exceed the given rating. ... of Ge diodes... ...
Re: 6AG7 diode connected
2008-02-01 by Fernando de Izuzquiza
... while we are on it... and hoping not being too annoying =:p ... germanium diodes would be OK? I m just guessing since I ve seen a Ring Mod done with diode
Re: 6AG7 diode connected
2008-01-30 by bbluthang
excuse my ignorance too.. but why do most of the circuits in Waveforms use a 6AG7 diode connected, rather than just a regular diode tube? Is there some
Re: [tubesynthdiy] 6AG7 diode connected
2008-01-28 by sasami@hotkey.net.au
You will always need to heat the heaters. Ken ... diode ... _______________________________________________________________________ Ken Stone
6AG7 diode connected
2008-01-28 by Fernando de Izuzquiza
In Files/Waveforms/ there are some interesting simple circuits using a 6AG7 diode connected (diode modulators, etc) Does it mean those are passive circuits?
Re: [tubesynthdiy] tube vcf w/pcb
2008-01-12 by Louis van Dompselaar
... That s really what I meant by commercial run ; professionally produced PCBs that are sold to others. I can t do that. Jeroen said if there was enough
Re: [tubesynthdiy] tube vcf w/pcb
2008-01-12 by Mark
Thank you for your reply. Sorry for any misunderstanding. I was under the impression that someone was selling the PCB. While I don t have any intention of
Re: [tubesynthdiy] tube vcf w/pcb
2008-01-11 by Louis van Dompselaar
The latest version runs on +12V only. It only requires one resistor change for it to run on +15V. I designed a PCB (I m NOT the one that designed the VCF) for
tube vcf w/pcb
2008-01-11 by Mark
From this post here: http://matrixsynth.blogspot.com/2008/01/mean-sucker-vcf.html It looks like it is designed to run off a +12V/+5V supply, which makes me
new 31/12/07
2007-12-31 by bbluthang
just a pdf in Files - History listing electronic music instruments from 1899-1950.....plenty of google-fodder I seemed to have drained the science databases of
Re: tube supplier
2007-12-22 by bbluthang
thanks Fernando they have the cheapest thyratrons! - 0.3Euro Andrew ... interesting sounds with =: )
tube supplier
2007-12-21 by Fernando de Izuzquiza
looks interesting, I hope you guys find some weird jewel to make interesting sounds with =: ) http://www.military-tubes.com in France
new stuff 27oct07
2007-10-27 by bbluthang
narec.pdf in computers unconventional.pdf in articles
Re: Controlling tube modules...
2007-09-25 by bbluthang
hi the fatman is the 1st synth i ever built - i used it to control my yamahas and korgs, the cv/gate outs work fine. I guess its one of the cheaper options