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Re: [Doepfer_a100] Re: attenuators and vu-meters

2003-05-07 by Bakis Sirros

yes!a meter optimized for -10 to+10 volts with the
relevant printed scale and mini-jack inputs would be
the ideal doepfer modules vu-meter!and it will look
great on my a100!
bakis.


--- Joe Buechler <buechlerjoe@toadmail.com> wrote:
> To me, the two main reasons for a meter module vs a
> multimeter (I own 
> two multimeters).
> 
> The first is to be able to have bipolar scale.
> Remember, this whole 
> discussion started when I mentioned using my A170 as
> a "meter module", 
> which is useful because you can see when a CV goes
> positive and 
> negative. The problem is, the A170 doesn't provide
> any calibrated 
> voltage value information, just relative brightness
> of the LEDs. You 
> can see the zero crossing precisely, but everything
> else is 
> approximate.
> 
> To use the multimeter for the same purpose, I have
> to apply an offset 
> voltage to the CV, so that 0 volts reads as +6V on
> my meter. That uses 
> up two extra modules - a CV source and a linear
> mixer - and then I 
> have to mentally translate the meter scale reading,
> pretending that 0V 
> to 12V is really -6V to +6V. That range isn't really
> adequate for the 
> A100 CVs either. The alternative is to switch to the
> 50V scale, but of 
> course this range is too large to get a precise
> reading.
> 
> Even to build this as a DIY module, I'd have to buy
> a panel-mount 
> meter, design and print a custom card with a -10V to
> +10V meter scale 
> on it (there's no stock meters with this kind of
> scale that I've ever 
> seen), and design and build am attenuator/offset
> circuit. Possible, 
> but a big stretch given my capabilities.
> 
> Florian's argument about mounting a multimeter in a
> panel doesn't 
> address this polarity issue. A Doepfer meter module
> could be 
> specifically designed to be useful with an A100 and
> other modular 
> systems.
> 
> The second arguement, let's admit it, is appearance.
> Doepfer has given 
> us modules to re-create a Moog modular, a Theremin,
> a vocoder, a 
> Trautonium, and many other classic electronic
> instruments. This is a 
> principal feature of the A100 system. Many people
> want A100 modules to 
> recreate a Buchla system. That's why there's so much
> interest in the 
> SOU, and that's why there's so much interest in a
> meter module. We 
> want it to look something like a Buchla.
> 
> Joe
> 
> Joe
> 
> --- In Doepfer_a100@yahoogroups.com, Bakis Sirros 
> <synth_freak_2000@y...> wrote:
> > hi florian,
> > it's true that the analogue systems vu-meter costs
> > about 150 euros(99 GBP).this module,also, has a
> > built-in inverter.but i think that doepfer might
> make
> > one that costs less(100 euros?).ok,i know that you
> can
> > buy one in the shops for 20 euros,but,again,it
> won't
> > be a beautiful part of the doepfer a100.so,that's
> why
> > i want a doepfer one.it's easy to use,ready made
> with
> > mini-jacks and looks like the rest of my a100...
> > my opinion,anyway...
> > bakis.
> > 
> > 
> > 
> > --- Florian Anwander <Florian.Anwander@c...>
> > wrote:
> > > Hi Andreas 
> > > 
> > > > Here you go Florian... my reasons for a
> digital
> > > display.
> > > > a simple 8digit display is more expenisve than
> a
> > > analog display. I own a
> > > You misunderstood me: I asked why you want a
> meter
> > > at all. I did not ask
> > > for analog or digital. To my humble opinion: if
> > > Dieter really would
> > > construct and build the module on his own, it
> would
> > > cost around 150EUR
> > > (this is my guess; as far as I know even the
> > > production, the transport and
> > > the storing of a blind frontplate with an
> > > unpopulated pcb attached costs
> > > over 25 EUR). If I go to the next shop, I will
> get 7
> > > (in words: seven)
> > > multimeters of the same quality.
> > > 
> > > Of course I want a digital meter, but why the
> heck
> > > shall I spend 150 Bucks
> > > when I can get it for 20?
> > > 
> > > If I were an a**hole, I'd go to Conrad, buy the
> > > multimeter, get it out of
> > > the case, switch the selector to 0-20V, mount it
> > > behind a DOEPFER-like
> > > front plate, connect the connectors with a jack
> in
> > > the frontplate and sell
> > > it for 200EUR (hey I am not Doepfer, for me its
> more
> > > costy to produce such
> > > a module)...
> > > 
> > > Florian
> > > 
> > 
> > 
> > =====
> > synthfreak(parallel worlds)
> > athens-greece
> > [Doepfer_a100] group owner
> > 
> > __________________________________
> > Do you Yahoo!?
> > The New Yahoo! Search - Faster. Easier. Bingo.
> > http://search.yahoo.com
> 
> 


=====
synthfreak(parallel worlds)
athens-greece
[Doepfer_a100] group owner

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