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Connecting DSP to Amplifiers & Surge/Power Advice

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cravings View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote cravings Quote  Post ReplyReply Direct Link To This Post Posted: 26 January 2023 at 9:51pm
All playback stuff into numark mixer. Phono outs of mixer to phono ins of Gemini preamp thing. Xlr outs of Gemini thing to xlr ins of dsp. Etc. Probably?

Edited by cravings - 26 January 2023 at 9:51pm
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Post Options Post Options   Thanks (0) Thanks(0)   Quote SnailSpace Quote  Post ReplyReply Direct Link To This Post Posted: 26 January 2023 at 10:02pm
I have everything but the DSP set up and working fine it’s the edition of the DSP into the line that I’m asking about. It’s been established I now know I have to patch in the amps to the dsp via the OUTS but it’s how the DSP connects to the Pre Amp via the IN’s is it usually via x1 XLR IN or x2 XLR to 2 INs? What cable? Maybe I should repost with the dB-Mark Model in the title so anyone who owns one may be able to explain as the only videos on YouTube are mainly Malaysian.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote cravings Quote  Post ReplyReply Direct Link To This Post Posted: 27 January 2023 at 12:12am
it's really not that complicated. if you're connecting the gemini preamp thing to the dbmark.. use the xlr outs on the gemini to connect to the xlr ins on the dbmark. with xlr to xlr cables.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Conanski Quote  Post ReplyReply Direct Link To This Post Posted: 27 January 2023 at 12:34am
Why don't you leave the preamp out for the time being, then connect the mixer XLR outs to the DSP inputs and you have a complete signal chain. Once you have all the DSP processing setup you won't need much EQ... and what is available on the mixer should be sufficient. 
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Post Options Post Options   Thanks (0) Thanks(0)   Quote SnailSpace Quote  Post ReplyReply Direct Link To This Post Posted: 27 January 2023 at 7:56am
My poor Pre Amp ha! Nobody seems to like it on here ;) I see what you’re saying though the mixer has dedicated balanced XLR outs.

I understand what people are saying about the Pre Amp as it is just extra Bass Mid Treble & Volume into the equation.

So what about Power - is a bog standard 19 power distribution bar enough for what I have or with turntable, mixer, dsp & x3 amps do I need some extra kit?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote JamesH Quote  Post ReplyReply Direct Link To This Post Posted: 27 January 2023 at 8:12am
I love a good pre
Who built it?

Oh, and, it's YOUR sound, so keep the pre in the rack
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Post Options Post Options   Thanks (0) Thanks(0)   Quote SnailSpace Quote  Post ReplyReply Direct Link To This Post Posted: 27 January 2023 at 8:39am
It’s not a ‘proper’ reggae/dub pre it’s a Gemini PA-700 so it’s basically a line of Bass/Mid/Treble and volume so I can see why people are saying it over complicates things as it probably adds extra variables that may mess with DSP sound settings.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Conanski Quote  Post ReplyReply Direct Link To This Post Posted: 27 January 2023 at 2:38pm
Originally posted by SnailSpace SnailSpace wrote:

My poor Pre Amp ha! Nobody seems to like it on here ;) I see what you’re saying though the mixer has dedicated balanced XLR outs.

I understand what people are saying about the Pre Amp as it is just extra Bass Mid Treble & Volume into the equation.
Yes.. the mixer has all the same features and the preamp has nothing but unbalanced RCA I/O so it's not a great fit. 

Originally posted by SnailSpace SnailSpace wrote:

So what about Power - is a bog standard 19 power distribution bar enough for what I have or with turntable, mixer, dsp & x3 amps do I need some extra kit?
Put the amplifier rack on it's own dedicated circuit plugged directly in, and use a power bar for the rest of the equipment at home or a small UPS if playing out.

Edited by Conanski - 27 January 2023 at 2:43pm
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Post Options Post Options   Thanks (0) Thanks(0)   Quote SnailSpace Quote  Post ReplyReply Direct Link To This Post Posted: 27 January 2023 at 8:39pm
Thanks Conanski! Next step learning to use the DSP LOL
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Post Options Post Options   Thanks (0) Thanks(0)   Quote SnailSpace Quote  Post ReplyReply Direct Link To This Post Posted: 28 January 2023 at 12:59am
Bought some XLR’s from a place online, but local for collection purposes, specialise in CCTV stuff but also has alot of Audio. But because they have sick a selection of XLRs I’ve read the description and it’s said ‘great for live and studio for when gear is close together’ exactly what I need? So I’ve got them, need to change as I’ve miscalculated lengths of a few short ones. So ive got to look and I’ve saw another section of Balanced XLRs? Do I need balanced?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Conanski Quote  Post ReplyReply Direct Link To This Post Posted: 28 January 2023 at 2:16am
Yes any XLR cable you buy should be balanced which means it had wires connected to all 3 pins, these will typically have fairly small gauge wires inside(22-24ga) with a braided mesh shield. If the cable has heavy gauge wire and/or has only 2 conductors and no shield it is not suitable as an equipment interconnect.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote SnailSpace Quote  Post ReplyReply Direct Link To This Post Posted: 28 January 2023 at 1:01pm
Phew! Great. Yes site shows the cross section which has copper and some silver. It just just be the wholesaler put up the description they get from manufacturers and it differed. 

For anyone in the UK the wholesaler is called KENABLE, they have lots of Audio components that crossover from CCTV. They come up in searches on eBay for audio a lot. I imagine as Audio bits have slowed down in UK I imagine CCTV & IT has filled a bit of a gap. 

Another thing I did buy was a set of Rack Mount Bolts but they are really for the CPU cases the ones that mount into squares and they are M6 bolts. But when I have got them home my bolts are smaller by 2mm, as I have circular hole format on my racks, searched around and only ones listed as Audio are M6. I think I must need M5, seems to be plenty on eBay. Again it’s all the little things that slow progressLOL




Edited by SnailSpace - 28 January 2023 at 2:02pm
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