Xilica 4080 - Page 8 - Home Theater Forum and Systems - HomeTheaterShack.com

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post #71 of 94 Old 06-16-17, 05:26 PM Thread Starter
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Re: Xilica 4080

Ok John,
Great now a little advice please, I listened for a couple hours today and really like the sound. What I noticed was I liked it best around 95db which is a little too much, so is there anything I can do to get the dynamics I get at 95db at a lessor gain?
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post #72 of 94 Old 06-16-17, 09:20 PM
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Re: Xilica 4080

I have no confidence that I can help. It does not help that I am not sure how to understand '95 dB'. How was that measured? Does it mean you listening above live levels?
My best guess would be that the frequency response (house curve) does not work well for your preferred; listening level, program material, etc.

The best course of action is to modify the house curve and see what impact it has. It takes time and effort, but that is the only way to satisfy yourself that that you have found the best solution for your situation.

Initially, you may want to try resetting the >300 Hz EQ at ~1m to flat or even slightly up-slope above 2 kHz. We initially set a slightly falling SPL above 2 kHz.
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post #73 of 94 Old 06-17-17, 08:48 AM Thread Starter
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Re: Xilica 4080

Ok John,
Well maybe you are correct about the curve we used but, I like what I am hearing a lot I just have to turn it up to hear and feel the impact. I measured the SPL with my Radio Shack Meter, maybe if I could move the whole spectrum up a few db I could listen at a lessor gain and still have the dynamics and impact I have at 95db?
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post #74 of 94 Old 06-17-17, 01:50 PM
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Re: Xilica 4080

I also find that it takes near live SPL levels to excite my room and provide a sense of dynamics in the way I prefer. I was guessing that if the highs are rolled off too much it may make it necessary to go even higher in SPL to get that effect. I only know what I have experienced in my room so I don't have any general experience. I would guess that too much absorbent, so very dead room, may have an impact also? Room size may also be a factor? Others with more room acoustics experience are likely to be more helpful.
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post #75 of 94 Old 06-18-17, 08:40 AM Thread Starter
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Re: Xilica 4080

Well I am pretty sure my room isn't dead, it does have four bass traps and two corner traps and two first reflection zone panels' also a 9x12 rug. It still sounds plenty alive to me I just like the impact of the dynamics, so sometime I push the gain up to feel the pressure it creates. It's sounding really good right now so no worries, I will try a few changes down the road but for now I am very happy.
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post #76 of 94 Old 06-18-17, 09:32 AM
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Re: Xilica 4080

Enjoy the Music.
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post #77 of 94 Old 06-19-17, 06:12 AM Thread Starter
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Re: Xilica 4080

Yes that is the plan!!!
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post #78 of 94 Old 03-29-18, 09:40 AM Thread Starter
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Re: Xilica 4080

Quote:
jtalden wrote: View Post
Enjoy the Music.
Hey John,
As instructed I have been enjoying the music very much still, I do have a question. About 3-4 months ago I changed the tubes in my pre-amp, these tubes are way more linear than the ones before. Do you think I need to remeasure my room to see if the new tubes changed anything? is that even possible?
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post #79 of 94 Old 04-04-18, 12:44 AM
 
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Re: Xilica 4080

Quote:
Jay Compton wrote: View Post
Hey John,
As instructed I have been enjoying the music very much still, I do have a question. About 3-4 months ago I changed the tubes in my pre-amp, these tubes are way more linear than the ones before. Do you think I need to remeasure my room to see if the new tubes changed anything? is that even possible?
If it sounds different... I would think it would. Measure different too.Try it out, and let us know.

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post #80 of 94 Old 04-06-18, 04:48 PM Thread Starter
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Re: Xilica 4080

Quote:
ellisr63 wrote: View Post
If it sounds different... I would think it would. Measure different too.Try it out, and let us know.
I am now really sure you are correct, I changed output tubes today and the difference was huge. That tells me for sure I need to remeasure and make setting adjustments, I will post results as soon as I am done...
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