Lockdown Audio - A 12v 3way Small Rig Build |
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Jack1991
Registered User Joined: 05 February 2020 Location: Bristol Status: Offline Points: 491 |
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No this 1 amp is fine for what i need & want out of it.
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nilspixel
Registered User Joined: 02 March 2021 Status: Offline Points: 77 |
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have you considered to get a second amp? or is it still fine this one pioneer?
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nilspixel
Registered User Joined: 02 March 2021 Status: Offline Points: 77 |
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Jack1991
Registered User Joined: 05 February 2020 Location: Bristol Status: Offline Points: 491 |
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No problem 🙂
Before i got the dsp i had passive crossovers. So the chain goes 1 channel of amplifier to passive crossover, then on the passive crossover you have 1 mid and 1 top. The passive crossover seperates the mid top frequencys. Battery i use is a 12v 110ah Leoch AGM Leisure battery
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nilspixel
Registered User Joined: 02 March 2021 Status: Offline Points: 77 |
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sweet :) thanks again! without dsp you won't be able to control what's going on right? especially to seperate tops from mids as the amp doesn't have a lot of outputs to choose from... btw: what battery do you use? did i skip this information? cheers
Edited by nilspixel - 21 June 2021 at 4:59pm |
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Jack1991
Registered User Joined: 05 February 2020 Location: Bristol Status: Offline Points: 491 |
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Yes all running off the same battery mate and no i havent had any problems with any noise so far. In terms of dsp setup i have just set the delays, the crossover points, then the gains i have set using a osilloscope on the sub channels and set it so they are not clipping. The mids and tops gain i have then just adjusted to sound nice with the subs. To be honest having set all these i hear no difference to before i had the dsp. But i didnt think it sounded bad at all before anyway, it sounded great, just i notice no difference after. However I can understand now how a measurement microphone and testing my system would really help. As by ear and still being a newbie to it all i have no idea if i have phase issues or other things that i dont even know about without testing it using a measurement microphone. I have had a look into it and it does seem very hard to understand the graphs and what to actually look for, and then how to correct it etc. Its not something i can really do in my back garden either by the sounds of it. But its definitely something I will get round to in the future.
Edited by Jack1991 - 21 June 2021 at 8:32pm |
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Jack1991
Registered User Joined: 05 February 2020 Location: Bristol Status: Offline Points: 491 |
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Cheers mate 🙂👍🏼 yeh i tried to include as much info as i could as its hard at first starting out so hopefully it can help others too.
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nilspixel
Registered User Joined: 02 March 2021 Status: Offline Points: 77 |
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Another question about your project came up in my head... Do you use the same powersource for both your amp and dsp? Any problems with unwanted noise? thanks and keep going. i'd also be interested in your dsp setup when done ;)
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dj jammin
Young Croc Joined: 10 April 2010 Location: southampton Status: Offline Points: 770 |
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Quality project and photos.. really great to see it all taking shape.. inspiring stuff..
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Reverence Sound system
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martinsson
Registered User Joined: 19 June 2007 Location: Sweden Status: Offline Points: 325 |
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Here's a few measurements for THAM15 showing how it behaves using a "the box" transducer, I would expect the THAM12 to allow for an even higher XO, but as always it is you ears that should be the judge on how to integrate them into a system, not graphs.
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Swedish Pro-fi diy-nerd - http://www.martinsson.cc/blog/
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nilspixel
Registered User Joined: 02 March 2021 Status: Offline Points: 77 |
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i see :) now bassreflex also makes sense to me.. thanks!
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Jack1991
Registered User Joined: 05 February 2020 Location: Bristol Status: Offline Points: 491 |
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Yeh i cross mine at 100hz to my mids. I tried them higher and it didnt sound right.
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