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Aerial 10T Owners and Anyone that can help

Here is my deal and gear:

Gear:

Theta Casablanca
EAD TheaterVision CD/DVD
Citation 7.1's (3)
Aerial 10T's

Now, the deal:

I have the 7.1 bridged into 2 channels, 450 x 2 @8ohms, very high current, 70 amperes. My gain is set to 0 on the Theta and using Madonna cd for pushing limits or the gear.
First, at excruciatingly loud volumes, the music will start to cut in and out. When I turn it down, it is fine. So, I am thinking it is the amp. I finally switched amps, to a Marantz MA-24 (30WPC CLASS A) and the same thing happens.

Here is my GUESS (guess being the key word here):

The Aerial 10T's have some type of cut off from the power amps to prevent damage to the drivers. Is it possible too much juice or distortion? What would cause the speakers (assuming this is the culprit of shutdown) to do this?

Any help is greatly appreciated.

Dan
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salevick
77 posts
 
Dan, I own the Aerial 8's and drive them with two CA-150's in mono and am very pleased. I have friends with the tubes and they consider the difference in using the two amps makes a substantial improvement. Naturally, I agree and feel the power and warmth of the sound is excellent. I also believe that the cables are very important. Also, call Mike Kelly and he will be very helpful.
jallen
502 posts
 
Dan, I helped a friend set up his 10T's and we tried two amplifiers, the Rowland Concentra 2 and the Bryston 7BST monoblocks. The Rowland was very good, but did not quite have the muscle of the Brystons. The top end of the Rowland was more open and pure however. The 10Ts need a lot of power. A 150 wpc is necessary in a small or modest room. Large rooms with vaulted ceilings will need more power. The Brystons at 500wpc are good choices. The Classe's mentioned earlier are also good choices. The Rowland too is great if your room is not huge. Just remember, this speaker is hungry for power and needs to be fed well. Jallen
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porschecab OP
336 posts
 
I wanted to thank each of you for your help. After several attempts with different amps, Citation 7.1, McIntosh MC-352, Marantz MA-24's, California Audio Labs CL-2500, and the Bryston 4B, (which all clipped) I have found the solution! No clipping, incredible clean mids and a top end that does just sing with a bottom end that DOES NOT STOP, the 4 channel Citation Audio 7.1 in a BIAMP configuration!
I had been bridging this amp which was probably a large part of the issue here. The amp is 210 x 4 into 4 ohms, and plays ever bit of it! The imaging is far superior, but not sure if it from NOT running it bridged or if it from the benefit of BIAMPING, but I FOUND IT!

Thanks so much for all of your help. I also have a call into the Aerial, Mike Kelly, to verify my hearing/sanity.
(really to be sure I won't blow the midrange and/or tweeter with this power.

Again, thanks for all your help and insight, it is threads like this that allow suggestions to be sought, issues recognized, and problems solved!

Dan
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