Re: Hi! (And a quick question...)
2007-03-20 by formantsyn
Hi Marek, I read your post with great interest, as I wish to build some of the Book 2 modules. My problem has also been the pcb scans, however, your solution
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Re: {Disarmed} [ElektorFormant] audio cassette of the Formant
2007-03-16 by yves usson
... Hi all I eventually got a copy of this tape... Thanks to all of you who offered to make a copy of the Formant s cassette. -- Yves Usson http://yusynth.net
New to this group
2007-03-16 by soldierof4tune
Hi people, Since one week I am new to this group. Half a lifetime ago I build that Formant synth and still have it. Although it has not been used for years. I
audio cassette of the Formant
2007-03-16 by yussonfr
Hi Does anybody here know where to find and download the content of the demo audio cassettes that came with the Formant Books ?
Re: Hi! (And a quick question...)
2007-03-15 by kuczynskimarek
I m also new here. Back in the 70 s when I was a student, I couldn t afford to build the Formant. Now I m a bit older... Anyway, I too found all the pdfs on
Hi! (And a quick question...)
2007-03-15 by translucencecs
Hi peeps, as a newbie, I figure I d better introduce myself first: my name is Jon and I have a semi-technical background, (but no formal electronic work - just
RE: [ElektorFormant] a hello, and an idea
2006-12-04 by jklerx
Hello Mike, I have build me a Formant in the 80´s, and I am looking forward to see your PDF´s of the vocoder, Is it difficult to build. Jean-Pierre (from the
Re: a hello, and an idea
2006-12-04 by Harry
Hello Mike. I have a Elektor Vocoder myself. It s a very nice DIY-project. It was designed by Synton. They were famous of their Syntovox (vocoder) and Fenix
a hello, and an idea
2006-12-04 by profpep
Hello, just to introduce myself, I m Mike a professional elctronics engineer from Lancashire, UK. I built quite a few formant modules, as well as one complete
Re: LFO not working...
2006-11-07 by spridleyman
... If the LEDs are flashing, at least the triangle section of the LFOs are working. The only thing between these and the jacks are a 1K resistor and some
AW: [ElektorFormant] Re: new guy
2006-10-21 by tst@haraldswerk.de
Hi Mark, I have brought the gate in from the ADSR to the front panel and added a switch to toggle between intern and extern gate. Works fine. i. e plug an lfo
adsr
2006-10-21 by Gerard Bik
Hi Mark The interface board supplies a clean +5 v gate pulse to the adsr modules. I guess when you apply this gate pulse to the correct point on the adsr
Re: [ElektorFormant] LFO not working...
2006-10-21 by Gerard Bik
Hi Mark It s hard to tell what went wrong. The schematic diagram is quite simple, even with a simple multimeter you might check the action at different points.
LFO not working...
2006-10-21 by markfrancombe
Hi Formant guys, I had a working LFO module in an old formant Ive been restoring, I made a new panel, basically... it WAS working fine. I needed it to be in my
Re: new guy
2006-10-21 by markfrancombe
Replying to a somewhat old post... hope it not too out of date.. I do exactly what is described below(multi patch cord with three plugs on one end for my CV
Re: 2nd formant book
2006-08-03 by lars_olsen
thanks for the answers! the pdf s on the cag site looks good also found some corrections (maybe the same as the ones on synrise) here:
Re: 2nd formant book
2006-08-02 by meistermischer
Hi Lars, 1.) The MSS 2000 is not the 2nd formant-book it was just released a few years ago and is based on the original Formant. BUT: It contains very many
Re: [ElektorFormant] 2nd formant book
2006-08-01 by Gerard Bik
Ha. the auto-snip feature made my last message useless. Okay Lars, try the formant section of this link: You can download the pdf s from the cloned analog gear
Re: [ElektorFormant] 2nd formant book
2006-08-01 by Gerard Bik
Hello Lars ... -- ______________________ _ Gerard Bik grafische vormgeving Van Aerssenstraat 263 2582 JM Den Haag 070 3554081
2nd formant book
2006-08-01 by lars_olsen
Hello everyone! Does anyone have a copy of the second book (mss2000), maybe scanned in .pdf format? the folder for the book is empty :( I am Especially
RE: [ElektorFormant] new guy
2006-07-28 by Kris Bishop
I used the 2000 book and I use the bus for power and gate etc, I connect a midijack cv and gate input straight in to the bus and had no real problems yet, but
Re: [ElektorFormant] new guy
2006-07-24 by Gerard Bik
Hi Colin A global cv input is made easiest at the point where the keyboard is connected to the Interface printboard. You might experiment a bit and keep the
Re: [ElektorFormant] new guy
2006-07-24 by ganesha
Hi Colin, You can download the pdf s from the cloned analog gear website. It s in the synthesizers menu: http://rubidium.dyndns.org/cag/ regards, Kris ...
new guy
2006-07-24 by colinmuir@ekit.com
hi there does anybody own book2 or have pdf s of it? i cant find it on the web... ive just bought a formant and it has a few book2 modules but ive only got
Sale
2006-07-02 by soren jeppesen
I want to sell my formant, does anyone know how much its worth? I also got an Elektor 4 ch. mixer and the original design and construction book. Soren
FS: Power Supply Module EBAY
2006-05-28 by Antonio Grazioli
Hi, I am selling a Power Supply Module, almost complete. I have two, so this one is not needed. Also interested in trading with other Formant Modules. Auction
new member
2006-05-24 by Gerard Bik
Hello fellow formant fans. It s really nice to see this vintage equipment is still being built and used. I built my Formant when it was first published in the
New member, new pcb's
2006-05-13 by formantsyn
Hi, I built a formant when it was originally published and recently fired it up again after 10 years in storage. Mostly works ok, with the exception on the
Hello Everybody
2006-04-26 by stefnoiz
I just found this group..nice one! Posted up some shots of my system on the photopage.. Greetings from Holland!
RE: [ElektorFormant] problem with formant pro vco (new design)
2006-04-14 by Kris Bishop
Thats good mate, you might be best taking a brake fom the VCO for a day or two. Fresh eyes spot the most obvious things. Kris
RE: [ElektorFormant] problem with formant pro vco (new design)
2006-04-14 by ganesha
Yeehaa!! Because I was tired of the VCO I started building the multimode VCF. No problems at all, half a day of soldering and it works immediatly! And it
RE: [ElektorFormant] problem with formant pro vco (new design)
2006-04-14 by ganesha
Hi kris, At pin 6 of iC 2 I have the same sinus, which is also at pin 3 of IC5 (4093). I think you were mistaking with the old schematic because pin 6 of IC 5
RE: [ElektorFormant] problem with formant pro vco (new design)
2006-04-14 by Kris Bishop
****Sykpe name Kris.bishop or use my hotmail email or biskri@micronas.com***** Sit back and smile first hurdle over, you now get a waveform, try plugging in
RE: [ElektorFormant] problem with formant pro vco (new design)
2006-04-13 by ganesha
Hello Kris, I got my CA3046 s today, and finally I m measuring a current. It is not exactly what i hoped but it is getting close. I expect the CA3086 s to
RE: [ElektorFormant] problem with formant pro vco (new design)
2006-04-12 by Kris Bishop
No problem mate, sounds like this is the main issue you have. The other measurements I had asked you to make, showed that the comparitor/schmitz trigger is
RE: [ElektorFormant] problem with formant pro vco (new design)
2006-04-11 by ganesha
Hi, Now i m sure my CA3086 is not ok, If i bend pin 5 to measure the current, I have 0.000mA. I also unsoldered tr3 to try to measure the current between pin3
RE: [ElektorFormant] problem with formant pro vco (new design)
2006-04-11 by Kris Bishop
Ok as I said this thing is strange in ways, the output at IC 6 pin 5, You need to look at the Current not the voltage, although in electronics the two are
RE: [ElektorFormant] problem with formant pro vco (new design)
2006-04-10 by ganesha
Hi All, OK I did some more measurements: I think the CA3086 is the problem. At pin2 and pin5 I have these results: cv 0V - IC6 pin2=-0.001V, ic 6 pin5=0.171V
RE: [ElektorFormant] problem with formant pro vco (new design)
2006-04-10 by ganesha
Hi All, Thank you very much for all the information you all have given me today. I m going to start with reading the pdf about the old formant cause i didn t
RE: [ElektorFormant] problem with formant pro vco (new design)
2006-04-10 by Kris Bishop
I sourced my CA s from university, they had been there for years and used many times so I had to expect failures, we students don;t look after things that
Re: [ElektorFormant] problem with formant pro vco (new design)
2006-04-10 by Kris Bishop
saves you finding it, Cheers Laurie
Re: [ElektorFormant] problem with formant pro vco (new design)
2006-04-10 by Kris Bishop
Unfortunately as I said this circuit is not straight forward. Do you have the original book. You can download the PDF there and if you can read english you
Re: [ElektorFormant] problem with formant pro vco (new design)
2006-04-10 by Laurie Biddulph
Read the attached which is an extract from the original Formant VCO and explains the operation of this circuit. You will NOT see any voltage at points C or E,
Re: [ElektorFormant] problem with formant pro vco (new design)
2006-04-09 by ganesha
Hi Harry, Thanks for you reply. IC 6 is a CA3086 transistor array. You can take a look at the schematic here: http://www.krinkel.be/formant/schematic.jpg I ve
Re: [ElektorFormant] problem with formant pro vco (new design)
2006-04-09 by harrybissell
I m not looking at the schematic... but I guess that IC6-p2 is the inverting input of an opamp with negative feedback and used as a summing or inverting amp.
Re: [ElektorFormant] problem with formant pro vco (new design)
2006-04-09 by Michael Atzert
... Do you refer to the FormantPRO Book by hans-joachim Helmstedt? If you do so, did you read the corrections? Because the book contains a lot of errors.
RE: [ElektorFormant] problem with formant pro vco (new design)
2006-04-09 by ganesha
Hello Kris I just did some measurements and have no voltage at pin2 of ic6. I m pretty sure, the problem is caused by the resistors R5, R6 and R3. For
RE: [ElektorFormant] problem with formant pro vco (new design)
2006-04-09 by ganesha
Hello Kris, I live in Belgium, My english is ok ( I hope ;-)) But I don t have much experience with electronics. This is my first project. I managed to build
RE: [ElektorFormant] problem with formant pro vco (new design)
2006-04-09 by Kris Bishop
I live in Scotland and have the strangest name, everyone asks where it is from. Can you imagine how strange this is lol Kris, First how good is your english
RE: [ElektorFormant] problem with formant pro vco (new design)
2006-04-08 by ganesha
Hi Kris, ;-) feels like I m writing something to myself. Thanks for your reply. I ll try to descibe the different steps I did. In the beginning everything went