Hi everyone!!
I've just had quite a quiet Sunday and decided to take my speakers apart and have a look. Ultimately I'd like to construct my own speakers, but as I'm fairly new to all this I think I'll mod these a bit and get some experience under my belt before going further.
Has anyone got any ideas as to how I might improve the crossover? Maybe Jensen caps or something, and how benificial these modifications may be.
Thanks,
Steve
I've just had quite a quiet Sunday and decided to take my speakers apart and have a look. Ultimately I'd like to construct my own speakers, but as I'm fairly new to all this I think I'll mod these a bit and get some experience under my belt before going further.
Has anyone got any ideas as to how I might improve the crossover? Maybe Jensen caps or something, and how benificial these modifications may be.
Thanks,
Steve
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IMO you'd be better off leaving it alone. Crossovers are one of the hardest parts of speaker design.
B&W are probably one of the better commercial speaker manufacturers. I've had several B&W's and I'm amazed at what their designers can do with some quite ordinary drivers. If they are like the DM303's the drivers have el cheapo plastic baskets, no bracing and plastic baffle but B&W designers can make them sing. They have probably wrung the most out of the DM309.
You're better off learning about DIY speaker building and selling the DM309's to pay for the project if you want to proceed. That way you'll get a better set of speakers (if designed properly) and some dosh in the pocket.
While you have them apart draw a schematic of the crossover and learn from what they have done and what all the bits do. Have a look at the box, port, driver position, damping etc and research what they have done. When you understand all that then look some some projects on the web.
B&W are probably one of the better commercial speaker manufacturers. I've had several B&W's and I'm amazed at what their designers can do with some quite ordinary drivers. If they are like the DM303's the drivers have el cheapo plastic baskets, no bracing and plastic baffle but B&W designers can make them sing. They have probably wrung the most out of the DM309.
You're better off learning about DIY speaker building and selling the DM309's to pay for the project if you want to proceed. That way you'll get a better set of speakers (if designed properly) and some dosh in the pocket.
While you have them apart draw a schematic of the crossover and learn from what they have done and what all the bits do. Have a look at the box, port, driver position, damping etc and research what they have done. When you understand all that then look some some projects on the web.
Have to agree with rabbitz, hardwiring the crossover and
expensive capacitors will make litttle difference IMO.
Possibly the only simple thing you can do is reinforce the cabinets.
A U section, extended base and two sides, could be added.
🙂 sreten.
expensive capacitors will make litttle difference IMO.
Possibly the only simple thing you can do is reinforce the cabinets.
A U section, extended base and two sides, could be added.
🙂 sreten.
by 'u' section do you mean reinforce the back and sides, kinda making a u shape? I guess this would be good, as the enclosure is only chipboard, not MDF, so may benifit from something a little firmer i guess, but wouldnt this also change the internal volume? Or isnt this as critical as I thought?
Thanks,
Steve
Thanks,
Steve
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