Doepfer

--- In Doepfer_a100@yahoogroups.com, "Pierre Zeeman" <pierrezee@...> wrote:
>
> Hi,
> 
> I know that pedals like the memory lane use more than one mn3005 to achieve 
> longer usable delay times.  So is it possible to chain multiple 4096 stage 
> 188-1s together for longer usable delay times?

I don't see any reason why not. 

Anyone experiment with different kinds of stand alone analog noise reduction systems -- 
most of which as far as I know involve companding (compression on input decompression on 
output)?

Besides a proper filter for the job at hand Moog has some kind of companding going on in 
the Moogerfooger delays, am I correct? I'm pretty sure they are designed with 2 chips inside, 
right?

Hi,

I know that pedals like the memory lane use more than one mn3005 to achieve 
longer usable delay times.  So is it possible to chain multiple 4096 stage 
188-1s together for longer usable delay times?

thanks,

Pierre

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> Hi,
>
> I know that pedals like the memory lane use more than one mn3005 to
achieve
> longer usable delay times. So is it possible to chain multiple 4096 stage
> 188-1s together for longer usable delay times?
>
> thanks,
>
> Pierre

In principle that's possible but the sound quality becomes very poor from
our experience if several BBD circuits are daisy chained. For longer delay
times I'd recommend digital delays (P.S. we are working on a voltage
controlled delay module that is not based on BBD, details will follow as
soon as the prototype is working).

Best wishes
Dieter Doepfer

Hi,
I just ordered this bbd delay made by modcan:
http://www.modcan.com/bseries/modulesb.html

It delays to a maximum of 8 seconds!

>>copy paste<<
This is a true analog delay utilizing two MN3005 BBD
IC for a total of 8192 stages of delay.

It also has a built in filter which can be turned on
and off.

For me it was way superior to the doepfer bbd's.

Greets Bruce


--- hardware@doepfer.de wrote:

> > Hi,
> >
> > I know that pedals like the memory lane use more
> than one mn3005 to
> achieve
> > longer usable delay times. So is it possible to
> chain multiple 4096 stage
> > 188-1s together for longer usable delay times?
> >
> > thanks,
> >
> > Pierre
> 
> In principle that's possible but the sound quality
> becomes very poor from
> our experience if several BBD circuits are daisy
> chained. For longer delay
> times I'd recommend digital delays (P.S. we are
> working on a voltage
> controlled delay module that is not based on BBD,
> details will follow as
> soon as the prototype is working).
> 
> Best wishes
> Dieter Doepfer
> 
> 
> 
> 
> 
> 



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Best Wishes,
Paulo

[Non-text portions of this message have been removed]

great!
looking forward to this vc digital delay module!
best regards,
Bakis.


--- hardware@doepfer.de wrote:

> > Hi,
> >
> > I know that pedals like the memory lane use more
> than one mn3005 to
> achieve
> > longer usable delay times. So is it possible to
> chain multiple 4096 stage
> > 188-1s together for longer usable delay times?
> >
> > thanks,
> >
> > Pierre
> 
> In principle that's possible but the sound quality
> becomes very poor from
> our experience if several BBD circuits are daisy
> chained. For longer delay
> times I'd recommend digital delays (P.S. we are
> working on a voltage
> controlled delay module that is not based on BBD,
> details will follow as
> soon as the prototype is working).
> 
> Best wishes
> Dieter Doepfer
> 
> 
> 
> 
> 
> 


Bakis Sirros - Parallel Worlds / Interconnected / Memory Geist
[Doepfer_a100] group owner
http://www.parallel-worlds-music.com
http://www.myspace.com/parallelworldsmusic
http://www.myspace.com/interconnectedmusic
http://www.myspace.com/memorygeist
http://www.DiN.org.uk
http://www.shimarecords.co.uk
http://www.rubber.gr
Athens-Greece


       
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On 9/7/07 7:40 AM, "hardware@doepfer.de" <hardware@doepfer.de> wrote:
> 
>> >(P.S. we are working on a voltage
>> >controlled delay module that is not based on BBD, details will follow as
>> >soon as the prototype is working).
> 
>> >Best wishes
>> >Dieter Doepfer

    Not based on BBD makes me think of the Marshall Time Modulator. How cool
would it be to have THAT in a modular system!!?

    Regards,
    John


[Non-text portions of this message have been removed]

My approach to achieve longer bbd quality delays is to insert a
digital delay (with its own feedback set to zero) in the FB loop of
the A-188.

best regards,
Joost



--- In Doepfer_a100@yahoogroups.com, <hardware@...> wrote:
>
> > Hi,
> >
> > I know that pedals like the memory lane use more than one mn3005 to
> achieve
> > longer usable delay times. So is it possible to chain multiple
4096 stage
> > 188-1s together for longer usable delay times?
> >
> > thanks,
> >
> > Pierre
> 
> In principle that's possible but the sound quality becomes very poor
from
> our experience if several BBD circuits are daisy chained. For longer
delay

> times I'd recommend digital delays (P.S. we are working on a voltage
> controlled delay module that is not based on BBD, details will follow as
> soon as the prototype is working).
> 
> Best wishes
> Dieter Doepfer
>

A bit off-topic: I looked at specs of some Lexicon and TC Electronic 
rack effects. Surprisingly the max delay times were only about 2 
seconds. One second of 24 bit mono sound at sample rate 96000Hz takes 
merely 281.25KB of memory...

Best regards
Jari Jokinen