"Continuum" Eurorack VC Phaser

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Kalerne
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Post by Kalerne » Tue Sep 25, 2012 11:16 am

TWO pcb+panel for me please !
Last edited by Kalerne on Mon Oct 01, 2012 8:37 am, edited 1 time in total.

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nickster
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Post by nickster » Thu Sep 27, 2012 3:10 pm

Rick, any idea when we can order & pay for these? Looking forward to this module. :banana:

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Post by ChrisR » Fri Sep 28, 2012 8:30 pm

I'm just raising my voice to express interest in a PCB! :hyper:
Any news?
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frequencycentral
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Post by frequencycentral » Sun Sep 30, 2012 3:00 pm

As soon as I've got the Waverider run completed I'll do this run. I know it's been a long time coming, I've been so busy with other commitments. I hope the Continuum run can start next weekend.

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SMS303
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Post by SMS303 » Mon Oct 01, 2012 10:25 am

frequencycentral wrote:It will be £15 GBP per PCB and £15 GBP per 10HP panel.
Hell YEAH!!! All reasonable and i'm in for 1 pcb + panel :sb:

Perhaps my order can be combined with Mono-Poly's (if he orders one too).....
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Post by default » Mon Oct 01, 2012 9:24 pm

Sounds sweet. Nice work.

Put me down for a PCB and Panel.
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mckenic
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Post by mckenic » Thu Nov 29, 2012 9:20 pm

How did I miss this!

Panel/Pcb etc please mate!!!

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Post by hpsounds » Thu Nov 29, 2012 10:22 pm

mckenic wrote:How did I miss this!

Panel/Pcb etc please mate!!!
Same for me ! :doh: Thanks mckenic !

1 or 2 PCBs and maybe panels too for me !

:hihi: ... SDIY is a never ending process ... or disease ?

Hédi K.

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Post by widdly » Thu Nov 29, 2012 11:52 pm

Is there a schematic for this?

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rowman
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Post by rowman » Fri Feb 01, 2013 5:12 am

Phase bump

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frequencycentral
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Post by frequencycentral » Fri Feb 22, 2013 3:33 am

Build document in opening post (and here)!

http://www.frequencycentral.co.uk/wp-co ... ld-Doc.pdf

I'm kinda very busy right now, but hope to make PCBs and panels available very soon.

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Post by Jarno » Fri Feb 22, 2013 8:27 am

Think I'll add this to the list of PCB's to etch this weekend!

Excellent!

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Post by hpsounds » Fri Feb 22, 2013 11:00 am

@ frequencycentral
That's nice ! I was waiting for it ! :tu:

I'm going to design my own panel for this PCB. Can you give us the axial spacing between the six pots (please, in mm) ?

Thanks,
Hédi K.

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frequencycentral
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Post by frequencycentral » Fri Feb 22, 2013 11:26 am

hpsounds wrote:@ frequencycentral
That's nice ! I was waiting for it ! :tu:

I'm going to design my own panel for this PCB. Can you give us the axial spacing between the six pots (please, in mm) ?

Thanks,
Hédi K.
17.78mm. Same as all my other layouts!

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hpsounds
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Post by hpsounds » Fri Feb 22, 2013 11:35 am

frequencycentral wrote:17.78mm. Same as all my other layouts!
Thanks Rick ! :tu: It's good to know. :sb:

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SMS303
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Post by SMS303 » Fri Feb 22, 2013 11:39 am

This and the dual osc. from Lazerkind are the last pcb's i'll buy!

i :love: phasers!!! :tu:
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Post by Jarno » Fri Feb 22, 2013 11:42 am

Famous last words! :mrgreen:

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SMS303
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Post by SMS303 » Fri Feb 22, 2013 12:10 pm

Jarno wrote:Famous last words! :mrgreen:
héhé .... meanwhile i have enough pcb's for a f#cking HUGE system :mrgreen:

i still dream of a MODULAR ATLANTIK WALL!!! :sb:
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Post by Jarno » Sun Feb 24, 2013 11:39 am

Etched yesterday morning, had quite a few copper bridges because of me not leaving it in the etchant long enough (it was cold outside and snowing). :snowman:

Stuck components in there and it works! Sounds very very nice!
Indeed quite a bit of low end in there, I was expecting the resonance to be wilder but it does oscillate.
Great fun this!

A doddle to put together, everything fits nicely.

In my build I had some shorts, because I was a bit rushed to get it done :hihi:

so I did total a few LM13700's need to check for solder bridges better. In my case, it was probably because of the thicker tip on the soldering iron, still need to buy a proper one, but as it is 80Watt, they put quite a hefty one on there as the standard tip.
Also, you might want to use a thinner solder wire than I did (I used 0.8mm but 0.5 is probably better).

Also, I used BC549B and BC559B, so "B" Hfe grade rather than "C", not sure what these transistors do. Are you willing to share a schematic, Rick?

Trimmers are fully counterclockwise in my build, as mentioned in the documentation, if you want a bit more subtleness, adjust to taste.

Minuscule remarks, the diodes aren't in the BOM (used 1N4148), and the "Continuum" text is quite close to GND and one of the rails, so if you're etching watch out for shorts.

Thanks for this Rick! It's a must have, a relatively simple project to put together, and a very nice sounding phaser!

:party:

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frequencycentral
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Post by frequencycentral » Sun Feb 24, 2013 11:50 am

Nice one Jarno! You are correct to have used 1N4148. Q1 and Q2 are part of the CV input conditioning circuit.

Have you tried pinging it yet? Like this:

http://www.frequencycentral.co.uk/wp-co ... -Pings.mp3

...using a Roland ADSR to ping it, and a couple of tap tempo LFOs synced with a clock divider to modulate it. There's some serious bottom end going on there, better hook up your playback device to your nearfields!

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frequencycentral
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Post by frequencycentral » Sun Feb 24, 2013 12:13 pm

Jarno wrote:I was expecting the resonance to be wilder but it does oscillate.
I purposefully held back on the resonance to just touch oscillation....but if you insist on insane amounts of resonance, try reducing the value of R18. In fact, as you've already built it, easiest thing to do would be to solder another 10K across R18 on the copper side, thus reducing R18 to 5K. If you do this, let me know what you think of it.

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Post by Jarno » Sun Feb 24, 2013 1:02 pm

Thanks for the reply Rick, think I'll tack 30k over it, that'll lower it to 7.5k.

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Post by hpsounds » Sat Mar 02, 2013 11:10 am

frequencycentral wrote:
hpsounds wrote:@ frequencycentral
That's nice ! I was waiting for it ! :tu:

I'm going to design my own panel for this PCB. Can you give us the axial spacing between the six pots (please, in mm) ?

Thanks,
Hédi K.
17.78mm. Same as all my other layouts!
Hi Rick,

Here is my design for the Continuum on a 8HP panel:

Image

Is the 20.3 mm clearance between pots' axis and jack sockets' axis enough to fit the 16 mm pots + PCB + sockets ? ... or should I go on a 10HP panel ?

Thanks,
Hédi K.

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Post by Jarno » Sat Mar 02, 2013 12:12 pm

That's going to be pretty tight, i suppose.
subtract 8mm for the pot, 1.5mm for the pcb, 4mm for the jack housing, and you are left with about 6.5mm.
But the pot is higher than 16mm, so that'll take another 2-3mm, an you'll have to allow for the solder bumps, another 2-3mm.
Maybe it'll work, maybe build the pcb first?

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Post by LektroiD » Sat Mar 02, 2013 8:53 pm

I'd be in for a PCB + Panel when they become available

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