Re : [tubesynthdiy] Controlling tube modules...
2007-09-25 by john Rodrik
Hi, I was much more thinking of cheap midi to cv V/Hz interface affordable for skint musicians... and easy to find! i thought that moog were only V/oct CV...
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Re: [tubesynthdiy] Controlling tube modules...
2007-09-25 by brian walker
Hi You could also try one of the following, no doubt there are more Electro Harmonix Jen SX 1000 Jen SX 2000 Korg 700 / 700s Korg 800 DV Korg Synth Bass 100
Controlling tube modules...
2007-09-25 by Jon aka Johnnytoobad
Just found an almost cheap adn interesting synth to control and modulate V/Hz tube modules, shame on me it is a solid state one, the PAiA Fatman, as it is
i built and and try the CGS tube noise source
2007-09-25 by Jon aka Johnnytoobad
It sounds really soft and creamy, and a magnet is not really necessary, it works great with only hands, because the 2d21 is nott hot at all... But i got
Re: noise generator and VCF
2007-09-14 by bbluthang
hi Thanks for posting your schematics, if you want to start a homepage for your pics and schematics, set one up for free at www.sdiy.org - anything synth
noise generator and VCF
2007-09-13 by Jon aka Johnnytoobad
Hi, i almost finished building 2 of of the CGS/Eric BArbour tube synth modules, i added an output control on the noise generator, as i used a 12AT7 for cv
modular tube synth psu
2007-08-27 by Jon aka Johnnytoobad
I am still working on a regulated power supply for my modular tube synth, i was thinking about doing it all tube too, i m too much focused on the sixties and
new files 8/07
2007-08-27 by bbluthang
just so you don t have to go hunting - Bukstein - a couple of pages in Dekatrons - some pdf s in Articles cheers andrew
Re: Adsr and midi to cv converters
2007-08-08 by bbluthang
... most of the modern tubesynths built so far have been designed to work with regular analogue synth signals. I put a joystick on mine but it controlled the
Adsr and midi to cv converters
2007-08-01 by Jon aka Johnnytoobad
Does any body built some to control their tube synths??? I d like to build a joystick for cv/gate controlling... and did any one tried the Judd auto bellgate
Re: "electronic music and musique concrete" by Judd
2007-07-20 by Fernando de Izuzquiza
Thank you. I received mine today. Not exactly what I thought so if anyone is interested I may sell my original for the same price I bought it or a bit less.
Re: "electronic music and musique concrete" by Judd
2007-07-20 by bbluthang
I have placed scans of Judd s electronic music and musique concrete on my homepage (too big to load here page by page) it s split into 2 pdf files the 1st is
Re: [tubesynthdiy] Re: "electronic music and musique concrete" by Judd
2007-07-15 by sasami@hotkey.net.au
... It s easy enough to buy. Shows up on ebay from time to time. I have all three editions, which vary somewhat in content, as well as two of his later
Re: "electronic music and musique concrete" by Judd
2007-07-15 by Jeff Brown
... around $250! Well, I found a copy through an online used book seller for $41.58, and bought it without knowing anything about it. If it s any good, I ll
Re: "electronic music and musique concrete" by Judd
2007-07-13 by Fernando de Izuzquiza
I found the book in England this morning for $83 (40 GPB!), still not cheap but could not resist, it is the most on-topic book I ever met. When I have it we
Re: "electronic music and musique concrete" by Judd
2007-07-12 by bbluthang
Sometimes you can copy/paste text or images from pdf into MS Word and save them as Word files. Doesn t suit everyone but its the only way i know around the
Re: "electronic music and musique concrete" by Judd
2007-07-12 by Jon aka Johnnytoobad
Thank you, Iwas thinking it was my connection or computer who didn t wanted to upload large files... i understand why i can t now... but i succeded with 745kB
Re: "electronic music and musique concrete" by Judd
2007-07-12 by bbluthang
I can get a copy to scan, give me a couple of weeks tho :-) i have about 25 pages of it here now. I can t seem to upload anything bigger than about 500kb to
"electronic music and musique concrete" by Judd
2007-07-12 by Jon aka Johnnytoobad
I am looking for that book from such a long time, i once found it one time in a London library but for sale at 137£ and i m always too skint to buy a book
New file uploaded to tubesynthdiy
2007-07-06 by tubesynthdiy@yahoogroups.com
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the tubesynthdiy group. File : /the
Re: Did anyone built the" noise source" aka vacuum tube random noise generator.
2007-07-06 by Jon aka Johnnytoobad
Thank you Andrew for your suggestion, that was what i thought first, but a little different... look at the schematic. When i say a tune control i mean a
Re: power supply buildings for 4 tubes modules
2007-07-05 by bbluthang
... For tube heaters, Ken s tube Power supply uses a switchmodePSU, seemed a good idea so I used a PSU from an old computer, it was easy enough to add a pot
Re: Did anyone built the" noise source" aka vacuum tube random noise generator.
2007-07-05 by bbluthang
... I wonder if the pot on the thyratron will just reduce the output level - as Ken wrote- The circuit has been tested on voltages between 150V and 200V, with
Re: Did anyone built the" noise source" aka vacuum tube random noise generator...?
2007-07-04 by Jon aka Johnnytoobad
i am still working on the random noise generator, i want to do 2 modifications: first, i d like to have 2 outputs, and the second would be to add a pot on the
Re: power supply buildings for 4 tubes modules
2007-07-02 by Jon aka Johnnytoobad
I m not planning back to back transformers or hammond (probably 370adx), i am just thinking about how i gonna build the power supply,and these are the two ways
Re: power supply buildings for 4 tubes modules
2007-06-29 by bbluthang
Just rough estimates but I think the VCF won t use much more current than the VCA, the Noise source won t be more than the VCO. It may be worth building a
power supply buildings for 4 tubes modules
2007-06-28 by Jon aka Johnnytoobad
I am working on the power supply for the all 4 modules i planned to build VCO VCA VCF an random noise generator... does some one know how much Amps use the VCF
Re: [tubesynthdiy] Re: Nice nixie tube with arabic digits !!!
2007-06-22 by sasami@hotkey.net.au
I was playing around with the idea of a nixie sequencer - where the nixie itself provided the latching action. Sort of a programmer/nixie hybrid. ...
Re: Nice nixie tube with arabic digits !!!
2007-06-22 by bbluthang
... not OT - i ve got a few science and math symbol nixies here, somehow one of them will end up in my next tube synth. I ve been wondering about a nixie
Re: Nice nixie tube with arabic digits !!!
2007-06-21 by Fernando de Izuzquiza
Yes I bought something from them, they have interesting things from time to time. Respect the nixie, well it would be 1, 2, 3 if you consider I, II, III as
Re: Nice nixie tube with arabic digits !!!
2007-06-17 by bbluthang
hi Fernando thats a lot of nixies....ummm arabic digits? isn t that 1,2,3...? I can recomend this seller for a good range of nixies AND a good range of
Nice nixie tube with arabic digits !!!
2007-06-14 by Fernando de Izuzquiza
Nice nixie tube with arabic digits !!! http://cgi.ebay.com/IN-4-Russian-Nixie-Tubes-New-Lot- of-50_W0QQitemZ330105367646QQihZ014QQcategoryZ14947QQcmdZViewItem
Re: [tubesynthdiy] Did anyone built the" noise source" aka vacuum tube random noise generator...?
2007-06-02 by sasami@hotkey.net.au
... Not yet! Ken _______________________________________________________________________ Ken Stone sasami@hotkey.net.au Modular Synth PCBs for sale
Re: [tubesynthdiy] Did anyone built the" noise source" aka vacuum tube random noise generator...?
2007-06-02 by sasami@hotkey.net.au
... The first thing to work out is how the sound responds to your magnet. Shape and strength of the magnet have an effect. I think I recall that rotating the
Re: [tubesynthdiy] Did anyone built the" noise source" aka vacuum tube random noise generator...?
2007-06-01 by Göran Sandström
Btw, has anyone tested using an electromagnet for this? it d be interesting to see what effect it has... Göran Sandström aka Veqtor CEO, Designer and Manager
Re: [tubesynthdiy] Did anyone built the" noise source" aka vacuum tube random noise generator...?
2007-06-01 by Göran Sandström
One obiously awesome thing to do would be to make the magnet rotate around the tube, closely... Having a motor and being able to control direction and speed w.
Re: [tubesynthdiy] Did anyone built the" noise source" aka vacuum tube random noise generator...?
2007-06-01 by sasami@hotkey.net.au
... Waste of time and money. I expect all you would achieve is a volume control in both cases, with the addend chance of cooking the 2D21. Perhaps a pot
Did anyone built the" noise source" aka vacuum tube random noise generator...?
2007-06-01 by Jon aka Johnnytoobad
I m building this one that you can find here: http://www.cgs.synth.net/tube/noise.html And i am thinking about adding pots, one on 2d21 pin6, and/or another
Re: calculating bypass caps
2007-05-20 by bbluthang
wouldn t it be C(Farads) = 1/(2.Pi.F.Xc) pi = 3.14etc F = min freq(Hz) Xc = capacitive reactance(Ohm) - this is the hard bit, maybe you would have to start
Re: [tubesynthdiy] calculating bypass caps
2007-05-18 by Mark
Yes, cathode bypass caps often play a role in maintaining a steady bias, and depending on the circuit, bypassing the cathode resistance can also increase the
Re: [tubesynthdiy] calculating bypass caps
2007-05-17 by sasami@hotkey.net.au
Just use what you see in other circuit diagrams - frequently 220uF. Do you understand their purpose? They are there to give what is essentially a rock solid
calculating bypass caps
2007-05-17 by Mark
Does anyone have any formulae or have any guidelines in determining the size of a cathode bypass cap?? I am interested in both directly and indirectly heated
Re: i got ahold of a pulse width osc. from 1 to 17,000 cycles
2007-04-28 by bbluthang
i usually start my searching for tube info here - http://tdsl.duncanamps.com/tubesearch.php doesn t have everything but 9 times out of 10 it turns up
i got ahold of a pulse width osc. from 1 to 17,000 cycles
2007-04-26 by kidkrazy58
it was ok but i got it for the tubes mainly and paid like 40 for it. it had these 7119 tubes in them actuelly 5 of them and 11 other tubes one telefunken
Re: [tubesynthdiy] Re: Hey i Bought a powersupply i wanted to see someones thoughts on the amps
2007-04-19 by sasami@hotkey.net.au
... Voltage is irrelevant. It is the current across the heart that kills you, and it is a tiny amount. I forget how much, but I think it was under 10 ma. ...
Re: Hey i Bought a powersupply i wanted to see someones thoughts on the amps
2007-04-19 by kidkrazy58
yea, well i actuelly have been shooked by very very high voltages, Like when i was useing my plasma generator. IT made 40,000 volts before i burnt the
Re: [tubesynthdiy] Hey i Bought a powersupply i wanted to see someones thoughts on the amps
2007-04-19 by sasami@hotkey.net.au
the useful range is about 600 max, though in general you ll want to stay below 300. For test/design work, 20ma should be enough for small assemblies. Tubes
Hey i Bought a powersupply i wanted to see someones thoughts on the amps
2007-04-19 by kidkrazy58
IT is variable from 1 to 3000 volts really acurate. its all regulated and it uses two 8608 tubes. if some one could tell me what the purpouse of the 2 tubes
Re: could i see the full artticle on the dougles noise ciruits
2007-04-05 by bbluthang
... you got it - one is transistor, one tube. Mr Douglas was pretty keen to implement new technology. i posted the full article in the Douglas file. Doesn t
could i see the full artticle on the dougles noise ciruits
2007-04-05 by kidkrazy58
is there 2 difrent noise ciruits hes talking about? or is just one a valve one?