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In Reply to: What Components for A5/A7 Hiraga Crossovers posted by Ron B on January 24, 2007 at 17:56:50:
If you're trying this system/crossover out for the first time, I'd use the Solens first and then evaluate before you spend big money on caps. I ran an A5/1505 Hiraga for awhile with Solens and it had the best midrange I had ever heard. Top end was a little too rolled off for me so I had to add a super tweeter. The often quoted tizzy solen sound was not an issue for this system. This was a really fun system but ultimately went away because it was too big and ugly. The stock bass bin needs alot of work to reduce resonances too.
Follow Ups:
When I was tweaking my A5s (before I went nuts and started building new horns from scratch) I made Hiraga X-overs and ran them for a while. I did not use any boutique parts. I merely bought generic items from a local electronics supply.They sounded nice, but I too ended up adding tweeters.
During that time I also tried bi and tri-amping the system before returning to the original A-500C crossovers that I got when I bought the A5s.
Perhaps if I had gotten into more exotic components I would have been wowed by the Hiragas. As it was they were nice. Overall A5s are very fine sounding systems, but with a blank sheet of paper one can do significantly better.
eso
Not sure how exotic any of my components are, as the prices for some of this stuff gets beyond reason. But I do hope to make some improvements in the sound.As for starting with a blank sheet of paper, I have thought about that too, possibly some full range drivers. But putting a stake in the sand, and starting from what I have seems reasonable.
Just out of curiousity, what have you gone to, as you moved beyond the A5s?
Look in my gallery to see what I've experimented with and what has been my primary system for several years now.I still own the A5s. Mine have 515b drivers in fully tweaked 828 cabinets with 288b drivers on tar-filled 1005a horns. They are great sounding speakers. Doing all of the Jim Dickinson tweaks to the cabinets give huge benefits. All of the extra bracing, sand-filling the horn flares and re-sizing the vent really clarifies the low mids and increases and tightens the output at the bottom (40-45Hz is as low as these will really go).
Most recently I've run them using Sonic Impact Super-T amps, bi-amping and driving it all with I-tunes off my laptop. I've had them at home for a while to use in the garden, but they are going to get moved into my new shop. I'm going to "fly" them from the ceiling, still using the super-T amps and electronic cross-overs for now.
I think there my be a picture of them in the gallery too.
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