SV: Re: [sdiy] Interested in Tau Pipe Phaser / Flanger boards ?

[karl dalen]

--- "JH." <jhaible at debitel.net> skrev:

> Good point.
> But keep in mind that I'm not going into the "kit business", so I don't have 
> to find and offer a "complete package", a module that fits all demands. I 
> just think it's much easier for others to build some of my projects when I 
> provide a PCB,

Thats exactly what i meant, your about to enter that twilightzone, people
will start to ask, why-this, why-that, and why-not-do-this-and-that-instead.
See?

All you have to do is put out a firm NO to anyone who wants to drag you
into that twiligtzone! :-)

It has nothing to do with kit business or so, people just start to ask,
it can be hilarious, be aware! :-)

KD

> than to just build them from the schematics and go to 
> veroboard, as I did all these years. It's perfectly ok to use that PCB for 
> all the basic (and not so basic) functions it provides, and add a *tiny* 
> verobaord circuit to customise the circuit for one's personal needs.
> 
> JH.
> 
> >You are now about to enter the twilight zone of interested
> >peoples-requests-to-change-this-and-change-that-in-the-pcb!
> >
> >Reg
> >KD
> 
> 
> --- "JH." <jhaible at debitel.net> skrev:
> 
> > Hi,
> >
> > many of you may already know about this strange effect device,
> > which sounds more like a flanger (some say, like a thru-zero flanger!),
> > but actually is a phaser with 20 (twenty!) all pass filter stages.
> >
> > If you haven't heard it yet, go to
> > http://www.keyboardmuseum.org/soundsheet/soundsheet.html ,
> > scroll down to "The Pipe Phase Demo Record" and listen to the demo.
> >
> > The service manual is located here:
> > http://www.musicsynthesizer.com/Diode%20Phaser/Diode%20Phaser.html
> >
> > I think it's quite impressive and extreme sounding, and it's closely
> > related to the ARP Quadra Phaser which I've cloned some years ago:
> > http://home.debitel.net/user/jhaible/additional_schemos.html
> >
> > And, looking for a project to further develop my pcb layout skills with
> > RIMU before I start that big Vocoder, I thought the Tau Pipe would be
> > a good choice.
> >
> > I've redesigned the original circuit, such that there are no more exotic
> > components (no more obsolete dual FET), and all the circuitry that
> > originally was potted in the infamous PD-10 modules, is part of the main
> > circuit board in my version.
> > I plan to make the layout such that you can
> > *either*
> > (1) use cheap CA3086 transistor arrays
> > *or*
> > (2) - for an ultra low noise version - SSM2210, MAT-02, LM394 (expensive! 
> > 20
> > pairs needed!)
> > *or*
> > (3) use hand matched discrete transitors (unexpensive, but requires a lot 
> > of
> > work.)
> >
> > Also on the board will be the complete power supply (except the mains
> > transformer),
> > and you can either connect a small transformer with 2 * 18V AC secondary
> > voltage,
> > *or* connect a single 18V AC source such as a Wall Wart.
> >
> > All pots and jacks and LEDs will be connected externally with flexible 
> > wires
> > to allow some flexibility on the form factor (19" rack enclosure, or
> > tabletop box,
> > or even an oversized stomp box).
> > The PCB has a rather small size for what it contains (90mm * 160mm), but
> > it's probably
> > too big to fit behind MOTM or other typical modular front panels.
> >
> > I'm currently in the process of having a first prototype made.
> > I may also create a Schaeffer front panel later (haven't decided on 19" 1U
> > or Tabletop
> > version yet.)
> >
> > So, is there any interest for others to buy these PCBs, when / if the 
> > thing
> > works as
> > intended?
> > In the past, I've mainly built on veroboard and had to turn down requests
> > for pcb boards,
> > or even for readily assembled modules. Now, that I've bought a layout
> > software, the
> > situation has slightly changed for the better :)
> >
> > So, if you're interested in getting a board, let me know.
> > Right now, I have no idea what it will cost - keep in mind the whole 
> > project
> > will not
> > be cheap, with all these transistor pairs!
> > I won't offer complete kits. If there's enough demand, I'll sell the naked
> > PCB boards,
> > and publish the building information on my web site.
> >
> > Let me know if you're interested, to find out if it's worth the effort.
> >
> > JH.
> >
> > _______________________________________________
> > Synth-diy mailing list
> > Synth-diy at dropmix.xs4all.nl
> > http://dropmix.xs4all.nl/mailman/listinfo/synth-diy
> >
> 
> 
> 
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