DDA consoles

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Re: DDA consoles

Postby andychamp » Fri Jul 31, 2009 9:10 am

Congrats on the QII!

This spring, I scored a 40-input Q Series in perfect working order for the equivalent of 1900,-$, including 2 PSUs and the flightcase.
The build quality is impeccable and these desks seem to age really well. At least this one did, as it also was treated very well (it used to belong to the local Theatre).

Many people advised me against buying it because they consider it a live desk (it was originally advertised for live AND studio use) and said I would have noise issues.
They were wrong.It sounds great, isn't noisy. I can even run my outboard pres through the line ins without the desk destroying their respective character(s). 8 auxs/foldbacks for parallel processing, 4 stereo ins, 8 subgroups, 8x4 matrix, the works!
After 4 years on a Whackie 8-bus and 3 years purely ITB, I'm back in mixing heaven!

These are definitely sleeper desks, grreat sounding and easy to maintain. Highly recomended to anyone who wants a serious tool but can't afford an API/Neve/SSL...yet. They aren't often advertised, but there should still be many of them around.

Most schematics, Manuals & brochures can still be found at ddaconsoles.com
EDIT: The manual should contain a complete parts list, the one for my console does.
André
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Re: DDA consoles

Postby james folkes » Fri Jul 31, 2009 11:32 am

thanks andy, yeah i'm pretty stoked, going to pick it up on the way back from a holiday in the south west, the flight case fits in my partner's estate car with 1 cm to spare!

all the people i know with dda consoles are zealously enthusiastic about them, the interface model - which was made after they were bought by the telex group - is apparently a bit less cool, but by no means useless. but yes, friends who own m series, s series and q series know they're on to a good thing. here's an excerpt from a message from a q and s series owner:

I managed to snatch that DDA S series from the pile of aging desks at work just before I left... Its actually owned by one of my mates and partners in crime.. when he came to check it out, he came directly from working with a yamaha ls9, and his first reaction when hooked up with a beta58 and an EV SXA100 was " Wow - this desk actually sounds "alive" ".. Have come to the point of liking the LS9 for its size and feature set, but DAMN it sounds sh*te... Its the Ipod of mixers if you ask me...

they're very clever tools, as you've found with the myriad routing options on yours, and i'm really encouraged to hear that they are friendly to work on. the dda site has excellent support for all their legacy products, i've found the parts list and schematics for mine already. as with any audio product though, you predominantly buy it for how it sounds... i'm hoping that i like the qII as much as the m and q series, but the heritage is good and i think i probably will!

my slight, very unreasonable, lament would be that i don't have one with the centre channel panning... i'd love to set up a system up with a central vocal stack and see just how clean i could get the mix.

james.
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Re: DDA consoles

Postby jody b » Wed Aug 19, 2009 3:22 pm

Hello folks, and Foulkes!
Another of our little sound system mafia has just found a perfectly functioning 24ch Q series DDA at a friends studio, currently propping up the wall, and so he would like to know roughly what the going rate (£££) is for it, and it's case?????
neither the buyer or seller really know, and neither is wanting to rip the other off.

can you guys help?

thanks.


PS, don't worry James, my little M series seems to have coped with the beer spillage. in fact, i'm sure it's freed up one of the eq knobs.

We're going to have to try & get an orchestra job, and see if we can do a DDA linkup. :D
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Re: DDA consoles

Postby james folkes » Mon Sep 14, 2009 5:24 am

ah, mr b! tha man who got me on a dda tip in the first place...

good weekend spent with the concole, i now know sooo much more about audio electronics than i did on friday! i borrowed a power supply and switched it on for the first time... it sprang into life! for all of about 3 seconds, then pop went the weasel (or in this case the -18 volt fuse). my meter told me there was a dead short between -18 and 0 volts so i decided a logical course of action was to pull cards out till the problem went away...

about half way through the input cards the value on the meter twitched, then climbed steadily as more input modules came out the frame. when the last card came out the fault cleared, replace any input and there would be about 70-80 ohms between the rails, probably not low enough to blow the power supply itself but 32 of them in parallel definitely was. bonus news, remove all the input cards and the desk will sit up happily, the master and group modules are all dandy, squirting some audio into the external input of a re-assignable group had all the little lights flashing up and down together... yes, there is hope for my beast yet!

i reported my findings to analog electronics guru tony of opus audio developments, he told me to look for something that was different between input and group cards, a component that they didn't share. if all the tl072s on the outputs survived then why would the input ones, connected to the same power supply after all, have perished?

err, good point!

to cut a long story short the answer was indeed that the the ic used to do the mute group and channel enable switching, an ssm2402, had collapsed internally. remove this chip and bingo, everything up to that point appears to work! mic pres, line ins, phantom, eq, insert send and return, pre-fader aux sends, the only thing that didn't was the direct channel out but after a while i decided that that was post fader, and thus post 'on' circuit, so it probably just wasn't getting any signal.

now a question or two for y'all:

ssm2402p cost about a fiver each, that's over 150 quid for all the input channels, is there a cheaper alternative that's not crap?

is it worth using sockets? i used to fry chips at school with the soldering iron, whilst i've got significantly better at soldering i really can't afford any costly errors and chip holders are pretty cheap...

opus tony kind of turned his nose up at the ssm2017 mic pres on the qII monitor, limited research i've done suggests the 2019 is a far superior sounding chip and is a drop in replacement. 2 quid a pop, that's an upgrade that won't break the bank... worth it?

it'll be back on the road in no time...
james.
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Re: DDA consoles

Postby getreel » Mon Dec 07, 2009 9:25 am

I recently bought a used DDA Interface 16X4X2 with all 16 channels having direct outs. I had a Soundtracs Topaz previously and loved it but I think the Interface sounds better. I haven't tried the pres but there are ways to upgrade those and judging by the overall sound of the console, the pres should sound great too. I'm not sure about the comment above about the Interface being less cool sounding, but I've worked with a lot of consoles in my 20 years of engineering and I think this Interface is up there sound-wise with MCI, Soundtracs, and way beyond the Mackie level stuff. Seems built like a tank as well! For what I paid, this DDA console is awesome!
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Re: DDA consoles

Postby dubmission82 » Sun Dec 27, 2009 1:22 am

Hello everyone... i have a question maybe some one can help me...

I have a DDA CS3 16 channel but i don't have the power supply for it, so my question is .. does anyone know where i can get a power supply for it?? On the back has a plug connector for 6 pin i think, and for what it says it needs 18v(+/-) and 48v(+/-)

Any help would be appreciated thanks..
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Re: DDA consoles

Postby GRS PRO AUDIO SYSTEMS » Sun Dec 27, 2009 2:48 am

We can help you with your missing DDA console Power Supply. We build these to order, fitted as required...

Call or email us: info@grs-systems.com / 951-767-2570 x91

Our web site also has info on console power supplies:
http://www.grssystems.com

Image

Cheers!

Greg Walsh
GRS Pro Audio Systems
http://www.grssystems.com
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DIV. GRS SYSTEMS, LLC

ANALOG CONSOLE, PSU's, MODULES & OTHER PRO AUDIO GEAR SERVICE & REPAIRS

NEW & USED POWER SUPPLIES FOR CONSOLES

http://www.grssystems.com
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Re: DDA consoles

Postby dubmission82 » Sun Dec 27, 2009 3:19 am

[quote="GRS PRO AUDIO SYSTEMS"]We can help you with your missing DDA console Power Supply. We build these to order, fitted as required...

but how expensive are they?? it doesn't specify the price on the one you are showing
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Re: DDA consoles

Postby GRS PRO AUDIO SYSTEMS » Sun Dec 27, 2009 5:30 am

I have PM'd you...

But basically, the pricing is determined by the console requirements...number of Voltage Rails and the Current (Amps) required per rail. Plus other specific requirements and options.

These PSU's are all custom manufactured. We can also advise you of all of the many other optional features we can provide.

Thanks for asking!

Greg Walsh
GRS PRO AUDIO SYSTEMS
DIV. GRS SYSTEMS, LLC

ANALOG CONSOLE, PSU's, MODULES & OTHER PRO AUDIO GEAR SERVICE & REPAIRS

NEW & USED POWER SUPPLIES FOR CONSOLES

http://www.grssystems.com
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Re: DDA consoles

Postby Kimster » Thu Apr 22, 2010 4:54 am

Hi!
I´m new to this forum, and it is nice to find a place to discuss dda consoles! I recently bought a 24 channel dda s-series that I´m planning to use for mixdown and summing as a complement to my DAW. I really like the sound of it and I´d like to share with you my experience with changing the capacitors.

The first thing I did was ordering capacitors for all of the modules and then I started the job to exchange them. This took quite a time, the first 10 was fun, then it started to get boring and then in the end I was really bored, but now it´s all done and the difference is HUGE. I must say that it was all worth it. I used the Panasonic FC-series and they should last for some time since they are rated for 105°. It was really fun to compare the modules that I had done with the ones with the old capacitors. I didn´t expect the difference to be that big...

I hadn´t used any DDA-desk before I bought this one and I must say that I´m really impressed of it. It´s not an Amek or Trident, but good sounding and well built. The size of it is also a really good thing for me since I don´t have a big room for a big desk.

I´d be glad to hear if others have had experience with mods on the s-series. I´m a little curious about the possibility to put transformers on the input modules, but right now I only use it for mixdown so that will be a later project.

// Kim
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