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Old 13th October 2012, 02:32 PM   #1
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Default Newb interested in DIY preamp

Hey everybody. I'm new to this forum and am loving the DIY audio hobby. I've almost completed a classdaudio sds1000 amp for my Cleawave Loudspeaker design Dynamic 4tse speakers I already built and love. I am interested in building possibly a high end preamp or dac. I am currently using a denon avr3311 for music and home theater and wondering what other things I can build to increase the sound quality. i love the sound already, so it is partially just for the fun of the project, but would like some direction. Possibly a kit or existing design? Thanks in advance!
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Old 13th October 2012, 02:38 PM   #2
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Forgive me..I should add that I use a Squeezebox touch for a source 99% of the time. Can either be connected by rca or optical connector
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Old 13th October 2012, 02:44 PM   #3
Einric is offline Einric  United States
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Would you just be looking for 2ch preamp?
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Old 13th October 2012, 02:57 PM   #4
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Sorry, should have gave more detail. I want to keep using the denon for movies. I guess 2.1 channel because I have an extravagant underfloor IB subwoofer system. I do also have a mini dsp8x8 for eq ing both sub and towers if needed. Thanks.
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Old 14th October 2012, 01:37 PM   #5
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I'm not really sure that what I am wanting is possible with having 2.1 in an audiophile quality diy preamp, so I may not know what I am talking about. Hence, why I am seeking advice hear
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Old 14th October 2012, 01:59 PM   #6
AndrewT is offline AndrewT  Scotland
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The volume control is normally the very last item before the Power Amplifier.

If you have an integrated 2.1 amp + decoder you don't have access to the three inputs into the three power amplifiers.

If there is a way to break into the feeds into the power amplifiers, then you would need a three channel pre-amp to control volume.
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Old 14th October 2012, 02:07 PM   #7
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I have two seperate amps. One four the tower speakers and another for the subwoofer system, if thats what you are getting at. Thanks
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Old 14th October 2012, 02:42 PM   #8
mikje is offline mikje  United States
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If you're looking for something to answer the DIY bug, try Googling "DIY 2.1 amplifier." There are many high quality kits available. I don't know much about DSPs, but can your DSP provide a 2.1 configuration if you use a typical two channel signal? If so, there are many high quality two channel amps available. I built a chip amp from Audiosector and really like it a lot. Tube amps are another option. I rebuilt a tube amp out of an old console.
Mike
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Old 14th October 2012, 03:04 PM   #9
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Thanks, I already have the amplifiers, I am just wondering about a preamp. When I google preamp kits, it looks like they are just a board, and looks like I would need to figure everything out that doesn't come with it. which isnt a problem if I have proper instruction. I don't know if the increase in sound quality over my denon avr would be worth it, but if the kit is relatively inexpensive I would like to try. would learn a lot in the process I'm sure.
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Old 14th October 2012, 03:29 PM   #10
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Quote:
Originally Posted by keager View Post
Thanks, I already have the amplifiers, I am just wondering about a preamp. When I google preamp kits, it looks like they are just a board, and looks like I would need to figure everything out that doesn't come with it. which isnt a problem if I have proper instruction. I don't know if the increase in sound quality over my denon avr would be worth it, but if the kit is relatively inexpensive I would like to try. would learn a lot in the process I'm sure.
Hi,
I have a PCBs for this preamp DIY Simple Active Preamp - AudioKarma.org Home Audio Stereo Discussion Forums very easy to build even for the first timers.I can send you the part list(only 13 parts).This can be run on 2x 9 V batteries.Total build cost should not be more than $30 and a case of your choice.This will definitely improve performance of your AVR

Regards,
Sachin
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