WMD PDO II

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artisokka
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Post by artisokka »

artisokka wrote:I just couldn't resist anymore... Ordered one from my favourite eurorack dealer!

BTW: It was quite reasonably priced at EFN, "only" eur 357 (419 at SB, for comparison). Ulf / EFN did it again! :tu:
...and it's here! This is an awesome osc for sure. :bananaguitar: :bananaguitar:

I only had like 20 minutes to play with it, but i already noticed that tbvca is really needed. I'll probably end up buying both expanders...
dequalsrxt wrote:fat is warmer than digital is analog, except when it's more west than east, in which case cold is the hotness, but not very musical.
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gottberg
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Post by gottberg »

I remember a post from someone saying he prefers to use the PDO and TBVCA without installing the normalizing cables on the back. I gave it a try and this is how I prefer to use mine at the moment.

With the normalizing cables I tend to modulate the PDO to extreme... I have very busy fingers. To my ears the PDO sounds nicer when modulated subtly and having to patch it myself gives more focus to the patch and the sounds I'm getting. Personally I think three channels of modulation are a bit too much. I plan on replacing TBVCA with a Twiggy to save some space.

The QAAF stays because when I modulate one PDO's channel with the other I'd like to have it in the loop (another argument for not normalizing TBVCA) - there's too much noise otherwise for my preference. It can also be used for modulation similarly to using a VCA (the "acid" patch mentioned above is the QAAF in the CV feedback loop with an envelope modulating the cutoff). I also like it for processing the PDO's final output.

One last trick up its sleeve - the clock jack can be used as an input or output so it can clock other modules or patched as a VCO!. The vactrol controlling the frequency is extremely slow and that makes it interesting.

I started with the mkII and TBVCA, then I added the QAAF, then I "downgraded" to the mkI and finally will be replacing the TBVCA with a twiggy. That's 12hp of space saved and quite a lot of money for anyone planning to get a used mkI.
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FetidEye
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Post by FetidEye »

patchtips:

-Use a Toppobrillo Triple wavefolder, out1 to 3 to each folder stage, the back to the cv inputs..

-Use the Serge resonant EQ (mk2) as a throught effect for each stage of the PDO, with vca's to open the 3 selected bands on the EQ. feedback the Serge for more harmonics!
(patch the same way as tip1, out 1 to EQ, back into CV2 - etc.) With slow envelopes you get the most wonderful pad sounds!![/list]
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DonKartofflo
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Post by DonKartofflo »

I like to use the erthenvar patch chord for integer harmonics: you can take the output 1 of the pdo into the input of the patchchord and let it track it, switch to integer mode and select sine waves. then modulate all three channels with any combination of harmonics. sounds awesome because the harmonics are phase locked and therefore never "beat"

Also the "close to audio"-range is a place i find really rewarding for modulating the PDO.

imho WMD should make an expander with 3 digital tuneable and phase-lockable sine wave oscillators. although i don't know wether this would even be possible...
Sometimes things just need to move a bit.
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Al
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Post by Al »

FetidEye wrote:patchtips:

-Use a Toppobrillo Triple wavefolder, out1 to 3 to each folder stage, the back to the cv inputs..

-Use the Serge resonant EQ (mk2) as a throught effect for each stage of the PDO, with vca's to open the 3 selected bands on the EQ. feedback the Serge for more harmonics!
(patch the same way as tip1, out 1 to EQ, back into CV2 - etc.) With slow envelopes you get the most wonderful pad sounds!![/list]
I'd love to see/hear some demos of these...
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FetidEye
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Post by FetidEye »

patch info:
PDO out1 goes into the Serge.
The Serge RES EQ individual outs go into the 3 vca's, and then back into the CV inputs on the PDO.
The Serge is feedbacked on itself, causing tonal discords and weird harmonics. I used Maths and a Buchla 281 function generator to make long envelopes. I play with the Serge sliders and feedback level to explore sounds.
The patch is driven by 2x Makenoise PP + Penrose Quantizer.

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Audio Dependent
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Post by Audio Dependent »

I've got mine patched in as an LFO right now. Reset on a low division of the master clock, then 1 long lfo that will reset every 8 bars, 2nd out modulated a bit to give interesting rhythms, 3rd out a bit more with a ramp or saw, and the 4th out set to square waves trigger stuff.

Audio wise, I often find the results of 2 oscs modulating enough and break out from out 2 and 4 to get 2 different timbres from the same melody. works nice with the optomix to create an accent.

great osc. this thread makes me want to add a MK2 to my mk1 so u can have one lfo and one audio rate.
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Post by Dogma »

Audio Dependent wrote:I've got mine patched in as an LFO right now. Reset on a low division of the master clock, then 1 long lfo that will reset every 8 bars, 2nd out modulated a bit to give interesting rhythms, 3rd out a bit more with a ramp or saw, and the 4th out set to square waves trigger stuff.

Audio wise, I often find the results of 2 oscs modulating enough and break out from out 2 and 4 to get 2 different timbres from the same melody. works nice with the optomix to create an accent.

great osc. this thread makes me want to add a MK2 to my mk1 so u can have one lfo and one audio rate.
Yeah Im so glad I found this OSC. It has THE sound I love - that thick PWMIsh sound with the wavefolding and PM. Ill prob get another as an LFO as well instead of a second e355.
Its made me look at their spectrum for a nice straight OSc - something Im lacking...
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Dogma
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Post by Dogma »

FetidEye wrote:patchtips:

-Use a Toppobrillo Triple wavefolder, out1 to 3 to each folder stage, the back to the cv inputs..

-Use the Serge resonant EQ (mk2) as a throught effect for each stage of the PDO, with vca's to open the 3 selected bands on the EQ. feedback the Serge for more harmonics!
(patch the same way as tip1, out 1 to EQ, back into CV2 - etc.) With slow envelopes you get the most wonderful pad sounds!![/list]
Im thinking that Shelves might be a very nice partner to PDO. i plan on getting SHelves for feedback style patches and now with its expander...not sure what use thats gonna be here but could be useful for something I cant see
look up!
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FetidEye
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Post by FetidEye »

ha! i was planning to get shelves too ( but i will take the diy route) -- i love equalizers!!
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Al
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Post by Al »

FetidEye wrote:patch info:
PDO out1 goes into the Serge.
The Serge RES EQ individual outs go into the 3 vca's, and then back into the CV inputs on the PDO.
The Serge is feedbacked on itself, causing tonal discords and weird harmonics. I used Maths and a Buchla 281 function generator to make long envelopes. I play with the Serge sliders and feedback level to explore sounds.
The patch is driven by 2x Makenoise PP + Penrose Quantizer.
:tu:
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Al
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Post by Al »

Another module that pairs well with the PDO is the Mixiplexer (or other scanner/crossfader).

As mentioned by other people the PDO can get out of control with all three waves being modulated....but scanning through them one at a time can be fun.
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matttech
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Post by matttech »

gottberg wrote:I remember a post from someone saying he prefers to use the PDO and TBVCA without installing the normalizing cables on the back. I gave it a try and this is how I prefer to use mine at the moment.
why don't you just flick the switch on the PDO to "jack"? - that disconnects the TBVCA from the PDO's modulation inputs

Saves disconnecting anything, that's all..
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matttech
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Post by matttech »

Al wrote:
FetidEye wrote:patchtips:

-Use a Toppobrillo Triple wavefolder, out1 to 3 to each folder stage, the back to the cv inputs..

-Use the Serge resonant EQ (mk2) as a throught effect for each stage of the PDO, with vca's to open the 3 selected bands on the EQ. feedback the Serge for more harmonics!
(patch the same way as tip1, out 1 to EQ, back into CV2 - etc.) With slow envelopes you get the most wonderful pad sounds!![/list]
I'd love to see/hear some demos of these...

I did some Triple Wavefolder demos a while back - don't know if they're of any interest? -

[bandcamp width=100% height=120 album=785700806 size=large bgcol=ffffff linkcol=0687f5 tracklist=false artwork=small]
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gottberg
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Post by gottberg »

matttech wrote:
gottberg wrote:I remember a post from someone saying he prefers to use the PDO and TBVCA without installing the normalizing cables on the back. I gave it a try and this is how I prefer to use mine at the moment.
why don't you just flick the switch on the PDO to "jack"? - that disconnects the TBVCA from the PDO's modulation inputs

Saves disconnecting anything, that's all..
The PDO mk1 doesn't have that switch.
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matttech
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Post by matttech »

gottberg wrote:
matttech wrote:
gottberg wrote:I remember a post from someone saying he prefers to use the PDO and TBVCA without installing the normalizing cables on the back. I gave it a try and this is how I prefer to use mine at the moment.
why don't you just flick the switch on the PDO to "jack"? - that disconnects the TBVCA from the PDO's modulation inputs

Saves disconnecting anything, that's all..
The PDO mk1 doesn't have that switch.
ah, that'd be it then! :doh:

makes a bit more sense now
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Post by tommygee »

I just ordered a PDO mk2 :hyper: i l chose it because you can modulate it without changing the pitch so much. Are you guys still happy for yours ?
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Vcoadsr
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Post by Vcoadsr »

Love the PDO oscillator (mk1)! So much so I have three connected to a Toppobrillo Quantimator for pitch duties and then sending one out of each into the 4ms VCAmatrix and feeding the outputs back into the phase CV in on each. Great feedback action.

I think his module is very underrated! Massive amounts of flexibility, for me I like the size of the mark 1 module even if it's a bit tight, but I've played live gigs with three next to each other and never had a problem wiggling.
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monads
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Post by monads »

matttech wrote:
gottberg wrote:I remember a post from someone saying he prefers to use the PDO and TBVCA without installing the normalizing cables on the back. I gave it a try and this is how I prefer to use mine at the moment.
why don't you just flick the switch on the PDO to "jack"? - that disconnects the TBVCA from the PDO's modulation inputs

Saves disconnecting anything, that's all..
After re-reading this a few times I finally understand! I installed mine without normalizing!!! Now that I get it, think I'm gonna go back and connect the two together via the ribbon cable.
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BLogic12
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Post by BLogic12 »

tommygee wrote:I just ordered a PDO mk2 :hyper: i l chose it because you can modulate it without changing the pitch so much. Are you guys still happy for yours ?
I just got the PDO and tripple vca earlier week and loving it!


:sb:
Dogma
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Post by Dogma »

For anyone with a MKI it cost me $50 to do the upgrade to a MKII through WMD....amazing service....
look up!
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matttech
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Post by matttech »

in fact - no bugger has linked to my exhaustive PDO mk.2 demos from a while back, so I guess it falls to me to pimp them out!!

http://matttechmodular.co.uk/2015/05/05 ... -matttech/

http://matttechmodular.co.uk/2015/08/08 ... -matttech/

http://matttechmodular.co.uk/2015/08/24 ... -matttech/


basically, I freakin' love it. al the madness of a Hertz Donut, meshed with the smoothness of tasteful phase modulation, and allied to William's endless search for the absolute MOST patchpoints you can put on a single module!!!

It deserves your attention. but you DO need the TBVCA to get the most out of it, nd to interface with it in a more intuitive na immediate way

Get one in regardless - I would. Hang on...I hAVE!
tommygee
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Post by tommygee »

matttech wrote:in fact - no bugger has linked to my exhaustive PDO mk.2 demos from a while back, so I guess it falls to me to pimp them out!!

http://matttechmodular.co.uk/2015/05/05 ... -matttech/

http://matttechmodular.co.uk/2015/08/08 ... -matttech/

http://matttechmodular.co.uk/2015/08/24 ... -matttech/


basically, I freakin' love it. al the madness of a Hertz Donut, meshed with the smoothness of tasteful phase modulation, and allied to William's endless search for the absolute MOST patchpoints you can put on a single module!!!

It deserves your attention. but you DO need the TBVCA to get the most out of it, nd to interface with it in a more intuitive na immediate way

Get one in regardless - I would. Hang on...I hAVE!
I was considering the Hertz Donut for a long time, but ended up choosing the PDO instead - for less digital harshness and phase modulation. So that's awesome to hear !!!
tommygee
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Post by tommygee »

Btw is it possible to change coarse tune for each of the 4 channels (I assume it's not)?
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matttech
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Post by matttech »

tommygee wrote:Btw is it possible to change coarse tune for each of the 4 channels (I assume it's not)?
No. They are all digitally waveshaped versions of the base saw core oscillator...it's really just a single vco with multiple outputs
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