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Running Active Kurzweil KA40s with an external Amp Studio Monitors
Old 24th December 2010
  #1
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Running Active Kurzweil KA40s with an external Amp

I've got a powered amp powering my NS10s at the moment, but I was wondering if it were possible to power the Active KA40s passively using the Speaker B Output on the Amp?

There are barewire connections into the back of the L speaker which is actually a barewire out...

Would it be possible to bypass the amplification stage and power the Actives with my external amp?

This may be a bit of a fail thread, but any help is appreciated...
Old 24th December 2010
  #2
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Bump.
Old 24th December 2010
  #3
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Bumpity.
Old 9th January 2011
  #4
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why?

i see no advantage doing this.
Old 12th January 2011
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The amp I'm using at the moment has output switching but not via RCA. Which is a bit annoying.
Old 12th January 2011
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Yes, it should be possible. Your speakers aren't actually active, they just have an amplifier lumped on the back. Passive speakers with a built-in amplifier.

You'll need to open up the speaker with the amplifier in it though to gain access to the connection between the speaker's built-in amp, and the speaker/crossover itself. This should be cut, and reconnected to a new cable which goes to your amp (maybe through the speaker's port).

Beware you can only drop 10w into the speakers according to the spec sheet.


IMO it's a lot of hassle for something which is only going to mean you don't have to change round a cable...
Old 12th January 2011
  #7
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Quote:
Originally Posted by AlexK View Post
Yes, it should be possible. Your speakers aren't actually active, they just have an amplifier lumped on the back. Passive speakers with a built-in amplifier.

You'll need to open up the speaker with the amplifier in it though to gain access to the connection between the speaker's built-in amp, and the speaker/crossover itself. This should be cut, and reconnected to a new cable which goes to your amp (maybe through the speaker's port).

Beware you can only drop 10w into the speakers according to the spec sheet.


IMO it's a lot of hassle for something which is only going to mean you don't have to change round a cable...
I was worrying about that... But I think I might opt for a phonograph switcher after all (as unprofessional as that sounds) because 10w is a little low for my amp. My concerns with a phonograph switcher is the difference in the sensitivity of my two monitor sources, but I will have to tackle that hurdle once I solve this one.

Good idea?
Old 12th January 2011
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Quote:
Originally Posted by api2500 View Post
I was worrying about that... But I think I might opt for a phonograph switcher after all (as unprofessional as that sounds) because 10w is a little low for my amp. My concerns with a phonograph switcher is the difference in the sensitivity of my two monitor sources, but I will have to tackle that hurdle once I solve this one.

Good idea?
Phonograph switcher? I take it you mean a phono switcher? A phonographs is what you play records on.

That sounds like a better option to me, although 10w speakers running off an amp as high as 1000w isn't a problem so long as you don't turn it up...
Old 12th January 2011
  #9
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Quote:
Originally Posted by AlexK View Post
Phonograph switcher? I take it you mean a phono switcher? A phonographs is what you play records on.

That sounds like a better option to me, although 10w speakers running off an amp as high as 1000w isn't a problem so long as you don't turn it up...
Haha. Phonograph switcher! I love iPads spell check.....

Yeah a Phono switcher....

I'm concerned about the sensitivity differences between that and my NS10s. Though the spare Passive output will make space for my AE22s when I can afford them.

Is there anything I should watch out for in that kind of trivial consumer gadgets world of Phono switchers?
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