Perfect Tracking - Gray Research - http://www.itishifi.com
Wednesday, August 15, 2012
Listening to the Yamaha JA6681B compression drivers...
ok... so I listened to these briefly a while back... but with dave posting pretty pictures and vry yapping about the leaf spring suspension, I knew that I had to get them back out...
what you see is my shop "quick and dirty" listening rig... I listened only in mono... which is better when you are moving around working anyway... Le Cleac'h 340 fiberglass horn... and I bi-amped... the 71A summer amp on top and bottom... source was a mac mini/external hard drives and digital from a Hi-Face to a Behringer 24/96 with the output taken straight from the DAC chip... this sounds pretty good... and allows for a very fast changing of crossover.... and EQ or delay if needed...
I hear why people like this driver... it really does nothing wrong... it does have a bit of what I call the "ceramic magnet sound".... and I think it would benefit from a stronger motor... for it to compete with the very best of the very best it needs a little color, resolution, and jump... but that is comparing it to the best in the game... not really fair....
the funny thing is that I first hooked up driver A... and the mids were ok, but the treble sounded sorta rolled off, but also sorta broken... then I get an email from New Mexico saying, "hey man. I found that other phase plug in my tool chest."... so I opened the driver... yep.. no phase plug... too funny... so the above was written about driver B - *with* phase plug....
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