DIY Audio Projects Forum

Hi everone,

I am a classical guitarist with moderate knowledge of electronic and soldering.

Because of the good results I got from this setup I have been thinking of the following project:

To merge an M-Audio BX8 Studio monitor (http://www.m-audio.com/products/en_us/MAudioBX8D2.html) with a simple Behringer Eurorack 1002 (http://www.behringer.com/EN/Products/UB1002.aspx)

I am thiniking of somewhat take them apart and weld together the line in of the bx8 with the line out of the mixer and do the same with the power supplies so I can use it as a standalone amp for my live gigs. I know it sounds unusual but no acoustic amp has beat both the sound quality and the connectivity options of this setup.

Because I am only using one monitor I usually hook the left channel to the monitor and pan the mix all the way to the lef and it works wonderfully.

I am not quite sure if this is the right subforum for this project but I wonder if this kind of things are done and if you have any tips and/or resources for it. Do's and Don'ts and that kind of thing.

Thanks!

Hi, I looked at the links and tried to figure out what you are trying to do. Can you give it another try? Are you intending to build everything into one case? Or perhaps build the mixer into the speaker cabinet? If it is the latter then I would recommend you don't. The new equipment will take up space inside the cabinet and since it is a relatively small cabinet probably alter the frequency that the box is tuned for. That is a key element in how well something responds. You would be likely to change it sufficiently that you might not like the end result.

Good listening
Bruce

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Some of my DIY Tube Amplifier Projects:

• PoddWatt: 5751 / EL84 Push-Pull DIY Tube Amplifier Project
• OddBlocks: KT88 Push-Pull DIY Tube Amplifiers (Mono Blocks)
• ForeWatt: ECC802S (12AU7 / ECC82) DIY Tube Preamplifier Project
• GrooveWatt: Tube (Valve) RIAA Phono Preamplifier Project

I agree with Bruce. Put nothing in the box. It is different when a plate amp is attached to a speaker deigned for it. Combing mixer and power amp, great idea. Amp and mixer in a speaker box not designed for it, silly idea.

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Projects: "Sortilege" - 180W Tripath Class D Mundorf upgrade amp | “Mantra” - tube MM phono preamp | "Carbon” - MM phono preamp | 180W RAW Class D amp |

I simply want to combine them in the most cable-saving efficient way so I can use one power cable and have everything up and running like you would have with a regular guitar amp. The thing is that to buy an amp that gives me 65W 4 inputs and 2 xlrs with phantom power I need to spend a lot more than what I can now and that is why I am looking to improve the setup I have.

So I get that I should not mess with the cabinet but what about the soldering? Would that be a bad idea to?

Thank you all for the feedback!