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-   -   X-Aleph and Martin-Logan (http://www.diyaudio.com/forums/pass-labs/7418-x-aleph-martin-logan.html)

Faber 7th November 2002 08:12 PM

X-Aleph and Martin-Logan
 
Maybe this is the wrong forum, but I think that is the best choice...

A friend of mine has noted my work on building an Aleph-X with almost 40W output.
He loved this design almost immediately, but also he immediately asked me how this Amplifier will work with his speakers.
He owns a pair of ML Aerius that have a very low impedance at higher frequency (almost 1.7 Ohms).

Do you think that this design will be appropriate to drive this kind of speakers?
The concern is about the increasing heating in building a more powerful amp...

Thank you!
Fabrizio:rolleyes:

Nelson Pass 7th November 2002 08:35 PM

I haven't found the ML and most other stats a problem
with Aleph's because the impedance dip is up at 15 - 18 KHz,
where there is very little actual energy, and so the amplifier
typically doesn't run out of current. Over most of the rest
of the band, say 100 to 5000 Hz, the impedance tends to
vary between 30 and 8 ohms, and so it's not a problem there.

Having said that, stats tend to be voltage hungry, and most
people end up preferring bigger power amps. If you aren't
planning on using this system for parties, it might be just fine.

Faber 7th November 2002 08:40 PM

Good!
thank you Nelson.

I think my friend will use it to listen and not for dancing ;)

I will update you asap on this issue.
Bye!


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