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please help me choose my new amp(s)

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jonaglon View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote jonaglon Quote  Post ReplyReply Direct Link To This Post Posted: 04 April 2014 at 9:59pm
I have just been properly running in my two new Matrix XT4004s - first gig Saturday night and I am a really happy customer.

+1 Matrix
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csg View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote csg Quote  Post ReplyReply Direct Link To This Post Posted: 04 April 2014 at 10:01pm
why would you need to "run in" an amplifier?
“The fact is this is about identifying what we do best and finding more ways of doing less of it better”
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jonaglon View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote jonaglon Quote  Post ReplyReply Direct Link To This Post Posted: 04 April 2014 at 10:10pm
Bad choice of words - I've actually had them for a few months and only got to play with them properly for the first time this weekend, I just meant I used them properly for the first time. I was powering 2HD15s per channel (pd154 loaded) so was using the full 1000w at 4 ohms those amps are rated for and I was really pleased with how it sounded.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote csg Quote  Post ReplyReply Direct Link To This Post Posted: 04 April 2014 at 10:49pm
Fair doos - they are very "hifi" so I'm sure they will do you proud.
“The fact is this is about identifying what we do best and finding more ways of doing less of it better”
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bee View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote bee Quote  Post ReplyReply Direct Link To This Post Posted: 04 April 2014 at 10:57pm
Originally posted by U.Viktor U.Viktor wrote:

Originally posted by bee bee wrote:

Originally posted by U.Viktor U.Viktor wrote:

Powersoft K series or
PKN XD or XE.

These can easily work on 13A line thanks to PFC
I would not consider unreliable chinese or old tech amps.


Viktor sae are not a Chinese knock off company.....

The build and design quality puts a few other manufacturers to shame..... Maybe you should try one...



If you think SAECHINA proaudio it is a definietly chinese company. Their devices were popular in Hungary too, many imported until went down at the first line fluctation. Not a big problem just couple of IGBT and diodes was needed to change... So I would say SAE switching power supply is not recommended on not rock solid stable lines.


may I ask what model it was.... yes lexon pro sae is Chinese, I was referring to them not being a copy clone company like some other Chinese's company's....

https://www.elements-audio.com
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csg View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote csg Quote  Post ReplyReply Direct Link To This Post Posted: 04 April 2014 at 11:00pm
I shouldn't bother Bee - its pretty clear that unless its 1U, class D, PFC and Hungarian, its not worth a second look...
“The fact is this is about identifying what we do best and finding more ways of doing less of it better”
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Post Options Post Options   Thanks (0) Thanks(0)   Quote cravings Quote  Post ReplyReply Direct Link To This Post Posted: 05 April 2014 at 12:19am
to be fair he does always rate powersoft k series too.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote csg Quote  Post ReplyReply Direct Link To This Post Posted: 05 April 2014 at 9:12am
well, i guess Italy is near enough to Hungary to count too. But its still getting very boring.
“The fact is this is about identifying what we do best and finding more ways of doing less of it better”
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Post Options Post Options   Thanks (0) Thanks(0)   Quote supremesoundz Quote  Post ReplyReply Direct Link To This Post Posted: 05 April 2014 at 11:09am
Bee, email me please all info etc
Jdadral@hotmail.com
Cheers
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audiomik View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote audiomik Quote  Post ReplyReply Direct Link To This Post Posted: 05 April 2014 at 12:37pm
Originally posted by miraphonic miraphonic wrote:

Does anyone have AES/Continuous/Long-term power ratings for them rather than burst?

Thanks


These parameters are of definite use such as when properly setting limiter thresholds to avoid sending clipped signals to 'Speakers!

Trying to do these types of settings using short term burst output levels will permit the continuous output to clip, being at a lower output voltage, not to mention internal impedance and/or PSU limitations when the load impedance varies with frequency which burst values don't show


Mik
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bee View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote bee Quote  Post ReplyReply Direct Link To This Post Posted: 05 April 2014 at 1:31pm

below is a link, bit of a long read but interesting, in regards to burst rates....

http://www.diva-portal.org/smash/get/diva2:126817/FULLTEXT01.pdf

https://www.elements-audio.com
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Post Options Post Options   Thanks (0) Thanks(0)   Quote audiomik Quote  Post ReplyReply Direct Link To This Post Posted: 05 April 2014 at 2:21pm
Bee
your linked paper, although related to RF designs, clearly shows the problems with using short term burst power output as not being particularly viable for limiter setting of Audio signal paths by inference.

Thus your answer gets me thinking then that the SAE specifications might have 'something to hide'?

True RMS continuous Voltage outputs into specific resistive loads at a specified THD+N please

Mik
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