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Al K's Crossover Upgrade


Mr Tech

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Over the weekend I installed the new crossovers that Al K just built for me.

WOW !!!

What a difference!

I got the AP12-AK3 & the ES5800 crossovers.

I did one khorn at a time and did an AB (left / right) comparison after

the first one was installed. I have to say I'm very impressed &

pleased with the results.

I thought my khorns already sounded great before the crossover upgrade, but I couldn't believe how much better they could sound.

The bass response was much improved, so much so that I could turn my subwoofer off.

The entire sound was much "tighter", cleaner & precise.

I am currently using all original drivers.

Thanks Al, great job!

I am waiting for my Trachorns to arrive any day now.

I will be installing them along with JBL 2404 tweeters.

I'll post my impressions of that upgrade soon.

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Currently I'm using an average Sony receiver in my Home Theater set-up.

I listen to a fairly broad range of music. Mostly comtempory jazz, some

classical & some rock. I listen to it as loud as my wife will

tolerate it.

As you may already know the AP12-AK3 network replaces the original AK-3

with the exception of keeping the lower bass bin section of it intact.

I'm sure either Al or his website could give you more details.

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Wade,

I'm a bit surprised to hear you say there is a difference in the bass. That netwrok uses the original woofer filter of the AK-3. The only difference could be that your amp now see a constant 6 Ohms rather then a rising impedance as you go up. If you are using a small amp, like a SET, you would probably hear a difference. I wouldn't think a it would matter much to a big SS rock-crusher.

Anyhow, the AP12-AK3 is the simpelest network I make. It could be described as a stepping stone to the ES400T. It is literally half the AP12-350 which uses the same part values in the woofer filter as the Klipsch AK-3. That's how it can utilize what's already inside the AK-3 bass hatch.

AL K.

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