Zaph’s ZRT

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Lewart

Member
Joined 2019
#1
Just wandering if anyone has a different crossover for exactly same drivers arrangement dual 18w8531 and 6600 aircirc tweeter It can be 2way ,2.5 way or even 3 way. Not looking for computer simulations. Thx for reading my post
 
#3
Nothing really wrong. Just not to my liking. I ve build many of zaphs designs and this is first one that is not up to par to my ears I know the drivers very well and I know level of performance they’re capable of and I’m just not getting that.
 
#7
I have eliminated all other possibilities it’s not the source material,or amplification. I’m not knocking down zaphs design or contribution to diy. All I’m really asking if somebody has a different (it may even turnout not to be better)crossover that I can try In my opinion this combination of drivers can do better or simply different and I would like try that’s all. If anyone can help great. Thx
 
#8
To answer YSDR In my opinion imaging and fine detail retrieval is off. I feel it could be much better. I have built Jensen 1071 and all this aspects were much better somehow they are missing in this application of the drivers So I wanna try something different if it exists and I haven’t found it yet.
 
#9
Well, the Jensen 1071 have a different tweeter (it is responsible for fine details, at least in the harmonic part of music, which is very important).

I asked because I used the 6600 tweeter and I had big hopes, tried to get good sound from it but after more than 1 years of experiment, I can say I didn't liked how it sounded. A good friend of mine who is big hifi and music fan didn't liked it either, no matter how I tuned it sounded boring and flat. So I replaced the 6600, I am glad I did.
Even a cheap Seas 27tffc have more sparkle and dynamism subjectively.
 
#10
Hi ysdr. See it’s not even that I don’t think. Because when the music calls for it there is “sparkle” and presentation is fairly airy. I think for me the issue is in upper midrange frequency. I may be wrote. Just wanted to see maybe someone else has a different crossover with different approach to tuning it. Maybe just simpler crossover.
 
#11
Ahh, okay! Anyway, my sound signature memories goes away since I don't use the 6600. The ZRT utilizes a relative low xo point, maybe a higher crossing and a waveguide (augerpro) can help in that case if you are happy with the high range.

I don't have another crossover for that combo but I think it's worth to buy some measurement gear and start to measure and create your own crossover. You would be less dependent on others, who can do measurements.
 
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#14
Hi Wolf. Any chance you have that crossover schematic? And I do agree with you about 15w. Much better midrange rendition. I ve build Troels jazzman speakers and liked them for a long time. Figured this was going to be the replacement/step up
 
#15
You honestly cannot compare a 18cm bassmid to a 15cm bassmid. Directivity is quite different and anyone with moderate trained ears will notice that (imho it's not even 'rendition', whatever that may be). I wonder why you chose a setup with the 18cm Revelators.
 
#16
We weren’t really comparing the two it was more of a complaint about shortcomings of the 18w But to answer your questions it’s really simple I don’t have necessary equipment or the skills to pull off a great design that’s why I asked for help. Maybe someone has a different crossover for this combination of drivers that may work better for me. To answer your second question it is also simple I had the drivers sitting on the shelf removed from other scraped projects and to my untrained eye ZRT looked good and having build other zaphs designs I tough why not? That’s why I’m searching for a different crossover perhaps just different approach. Built nice cabs for it and wanna give it another chance before I scrap it. Thx Peter
 
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