|   Crossover Update for the AR.com DIY Kit Speaker | EFE
Dec 12, 2002 3:38 PM | | AudioReview.com DIY Kit Crossover Update
It has been brought to my attention that some Do-It-Yourselfers out there have measured the AR.com DIY Speaker and found it to have a 3-4db dip in the frequency response at the crossover point (3khz). I was aware of this when I designed the kit but chose to let it go for the affect it presented, a little deeper and backset soundstage. Since some have requested to eliminate this frequency dip in the crossover, I am posting this notice to them as well as others who might want to increase the accuracy of the speaker.
Replace the .15mh inductor on the tweeter with a .3mh (4 ohm DCR). The part number from MCM Electronics is 50-320. Also add a 1 ohm (10watt) resistor across the leads of the .4mh inductor on the woofer secondary circuit. Parts for both speakers should be no more than $6.
Use only the recommended 5 ohm resistor rather than the 4 ohm as stated in the instructions, the 5 ohm is more natural with or without a subwoofer in the system.
Success!
Ed Frias
EFE TECHNOLOGY Speakers
EFESPKRS@aol.com |
| Sorry, correction! .4 ohm DCR nt | EFE
Dec 12, 2002 4:57 PM | | nt |
| While we're on the subject... | StevenSurprenant
Dec 13, 2002 2:16 PM | | I am thinking about building your DIY and thought that while I'm at it, I would go ahead and use better crossover components.
Any suggestions?
I recieved the documentation you sent concerning your other speakers and was very impressed with what I read, but I thought I'd try the DIY first to see if my tastes are the same as ALL the posters. Everything sounds very good...
Best wishes during the holidays...
Steve |
| While we're on the subject... | EFE
Dec 13, 2002 6:54 PM | | Hi Steve,
Use the exact parts called for in the kit from MCM and Madisound, cabinets from Speaker City. If you choose to buy the crossovers finished, Madisound sells them for around $52pr (good buy). Make sure to use the 5 ohm resistor on the tweeter. Success!
Ed Frias
EFE TECHNOLOGY Speakers |
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