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post #901 of 1115 Old 01-01-2014, 10:48 PM
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With the response you're getting you don't even need the Bassis. tongue.gif
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post #902 of 1115 Old 01-02-2014, 01:13 AM
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I'll take it from you MK. lol That's amazing what your able to achieve with that Sony.


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post #903 of 1115 Old 01-02-2014, 07:58 AM - Thread Starter
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I need 7.1 so I am afraid this is a diamond in the ruff and the 7.1 version will suck. After watching Tron and TDK it confirmed this Sony is awesome! Now having said this my speakers are super easy to drive with my surrounds being 100 dB sensitive and front 106-109 dBs. This is the first AVR to ever make my DR's flat and flatter than what I could without 15 filters. They sound more like my old M&K on steroids now. Could I assume all Sony AVR's will be the same? Which 7.2 AVR should I get?
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post #904 of 1115 Old 01-02-2014, 08:13 AM
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From Sony?

I have always used their ES line up n the past but not sure which brand your trying to stick with. And it has been a while since I had a Sony. My last Sony was when I lived in the USA and that was 5 years ago. Maybe the STRND840 or 740 if sticking with Sony and cheaper models.

I think the 840 got best value on C/net website.


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post #905 of 1115 Old 01-02-2014, 08:35 AM - Thread Starter
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Well, after seeing what this cheap Sony can do I will stick with Sony. It is the first product to ever EQ my DR's flat with auto EQ!
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post #906 of 1115 Old 01-02-2014, 08:37 AM
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Quote:
Originally Posted by MKtheater View Post

OK, tried again and reran the auto EQ.

Red: No EQ
Green: EQ

right channel with 80hz crossover to subs

eqvsnoeq_zps3b11901e.jpg
Odd, from 15 to 100hz or so it looks better without eq. Then better with eq from 1k to 2k.
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post #907 of 1115 Old 01-02-2014, 08:44 AM
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https://docs.google.com/spreadsheet/pub?key=0AhtQ0KI9vZ0PdHpxR2xkUm1rdG5SR3RDUU9heU9zTnc&single=true&gid=0&output=html

Simple spread sheet comparing a few different budget AVR's. But the 840 looks nice to me.


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post #908 of 1115 Old 01-02-2014, 08:46 AM - Thread Starter
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Quote:
Originally Posted by gpmbc View Post

Odd, from 15 to 100hz it looks better without eq. Then better with eq from 1k to 2k.

Yes, I noticed the same thing but the difference at 1-2khz is more audible so I stick with the EQ. Your AVR will be there Wednesday, I waited until I got the 7020 box to ship it in.
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post #909 of 1115 Old 01-02-2014, 08:47 AM
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Cool thx
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post #910 of 1115 Old 01-02-2014, 08:51 AM - Thread Starter
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My question is how does the es1800 compare to the 840? I can assume they both EQ like this 540?
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post #911 of 1115 Old 01-02-2014, 09:51 AM - Thread Starter
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According to the spec's the 540 and 740 have a better amp section than the 840, the 840 has more features which is why it costs more. The ES1800 has a better amp than all of them but I am interested in the EQ. The 540 amp sections works great for my speakers.
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post #912 of 1115 Old 01-02-2014, 09:59 AM - Thread Starter
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BTW, Emotiva is awesome as a company. They transferred the warranty into my name and will fix the 7020 for free.
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post #913 of 1115 Old 01-02-2014, 01:03 PM
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MK, I'm glad the Sony is working out.

I own a few Sony ES products, one being a receiver. I'm no longer using it in the big system, but it's a fabulous sounding piece.

This one, I loved the way it looks. I bought the 400 disc player too. I own ES DAT decks, as well as pro DAT recording piece. Don't use any of it anymore really. I believe I've never sold a single piece I've ever owned (even still own my first system, played 8track and cassette in the same slot eek.gif )


I'm glad you're enjoying that system of yours, you've certainly had your share of curve balls thrown at you.



Re Geddes;
Quote:
Originally Posted by LTD02 View Post

might be a cheap pioneer receiver, but he measured next to zero crossover distortion and so it does what it needs to do.

he also says that drivers are a commodity item, but then goes on to use top of the line drivers from b&c with shorting rings to reduce distortion.

so just be careful in reading what dr. g. has to say, as it could be taken out of context rather easily.

You're right, he's relatively poor at communicating his knowledge in small bits and pieces, quite often lends itself to being misinterpreted. Little quips here and there, forum style, can quite often be the worst possible manner in which to impart a deeper level of understanding on certain less than intuitive topics, ... ie., small room acoustics.

Regarding the B&C drivers, I guess everyone's different, however I wouldn't characterize the GedLee Abbey as using high-end drivers. At $250 for the woofer, and $110 for the tweeter, ... certainly not excessive.

But you're right, one should be careful reading Geddes, all said, ... he's still a good read imo.

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post #914 of 1115 Old 01-02-2014, 01:24 PM
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Quote:
Originally Posted by MKtheater View Post

BTW, Emotiva is awesome as a company. They transferred the warranty into my name and will fix the 7020 for free.
Nice that's great to hear!

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post #915 of 1115 Old 01-02-2014, 01:40 PM - Thread Starter
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So I am thinking either the ES 1800, or 740. The 740 is the 7.2 version of my cheapy and that is cheap as well. I would not mind a bit more power in case but the EQ is what I am after. This Sony was the quickest setup with flat response ever and it sounds like my high end separates after I tweak it. Flat response is the key here and of course deep extension. I too thought cheap AVR's would not have deep extension but this digs as deep as Ada, Sherbourn, and deeper than Meridian 861! It actually does something to the response at 10hz which might not be a good thing if you want 3 hz extension. I notice the bump in frequency down there and running this guy flat sounds like me running 5 dBs hot because as you can see, 10hz is 5-7 dBs hot! The bass is very strong in this cheap plastic guy.

The ES series shows a response of 10hz which is no good for me but does that spec mean it will roll off where this 540 shows no response and goes to 4hz.
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post #916 of 1115 Old 01-03-2014, 01:31 PM
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Quote:
Originally Posted by MKtheater View Post

So I am thinking either the ES 1800, or 740. The 740 is the 7.2 version of my cheapy and that is cheap as well. I would not mind a bit more power in case but the EQ is what I am after. This Sony was the quickest setup with flat response ever and it sounds like my high end separates after I tweak it. Flat response is the key here and of course deep extension. I too thought cheap AVR's would not have deep extension but this digs as deep as Ada, Sherbourn, and deeper than Meridian 861! It actually does something to the response at 10hz which might not be a good thing if you want 3 hz extension. I notice the bump in frequency down there and running this guy flat sounds like me running 5 dBs hot because as you can see, 10hz is 5-7 dBs hot! The bass is very strong in this cheap plastic guy.

The ES series shows a response of 10hz which is no good for me but does that spec mean it will roll off where this 540 shows no response and goes to 4hz.



Check out the crossover slopes of your Sony receiver.


My Sony STR-DA4ES uses 1st and 2nd order slopes.



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post #917 of 1115 Old 01-03-2014, 01:38 PM - Thread Starter
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I did not switch them yet but I could try it and see what happens. Does the Es stuff EQ and extend like all SOny products.
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post #918 of 1115 Old 01-03-2014, 08:49 PM - Thread Starter
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Here is a quick try with the bassis. This sony extends!

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post #919 of 1115 Old 01-03-2014, 09:06 PM
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That's just nuts, you reach all the way down to 3hz with the Sony.
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post #920 of 1115 Old 01-03-2014, 09:20 PM - Thread Starter
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I have no experience with the bassis and watched chapter 20 from TDK with both curves. It seemed something was wrong because if felt like the bass was 10 dBs hot or something with the bassis. BTW, that curve with the boosted low end was the strongest bass I have ever felt in my life from that scene. I need to adjust something to tame that 60hz peak. Crossover is 80hz. BTW, this does not have crossover slopes.
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post #921 of 1115 Old 01-04-2014, 03:24 AM
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From what Bosso said about the bassis it does not take very much to get huge boosts with that thing. Even just having a few db boost was a large difference in response. I remember him saying that I would probably only need a maximum of 6db's possible on a bassis rather than the 24 or 48 that can be had.


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post #922 of 1115 Old 01-04-2014, 07:27 AM
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If you are going to use a Bassis you definitely need to get close mic responses and adjust the unit accordingly before plugging it in and running with it. And as the last poster stated I do not believe you would ever want to go past a 6db increase.
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post #923 of 1115 Old 01-04-2014, 07:56 AM - Thread Starter
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I have a 3 dBs boost. I have to take the screen down to get an accurate close mic. I tried thru the screen since it was simple but not trusting to me.
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post #924 of 1115 Old 01-04-2014, 12:30 PM - Thread Starter
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Ok, here is the difference between bypass and Bassis. I used a Qs of .8 and Fs of 29hz. The Qb is .7 and no boost.

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post #925 of 1115 Old 01-07-2014, 11:38 AM - Thread Starter
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Could someone please educate me on what is happening? I ran the bassis like above and then ran the same scene in bypass and the difference in bass is not small! The graphs shows the biggest difference to be 2 dBs at 3hz which one would think is nothing but even without boost, just changing the response shape, the bass was stronger!
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post #926 of 1115 Old 01-07-2014, 12:17 PM
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So what are you trying to figure out with the bassis, why bypass is stronger than with it engaged? Any manual or online guide?

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post #927 of 1115 Old 01-07-2014, 12:23 PM - Thread Starter
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No, the opposite. Why does the small increase in response make a huge difference subjectively? The bassis engaged with no boost has more tactile feel, not by a little. I should try to RTA the difference but not sure how to play a movie and use the computer at the same time since I have to switch HDMI inputs.
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post #928 of 1115 Old 01-07-2014, 01:00 PM
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Need to get the lowdown from Bosso. Your graphs show you might not even need it.

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post #929 of 1115 Old 01-07-2014, 01:11 PM
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Have you tried playing a scene with the Basis on and take a SPL reading via SPL meter and then repeat the same scene with the Basis bypassed and take another SPL reading? It might be a good idea to do this on any scene where the Basis feels stronger to see if the readings are different.


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post #930 of 1115 Old 01-07-2014, 01:43 PM - Thread Starter
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It feels stronger on every scene!

I sold the SEOS to a fellow member and in case you guys were wondering I made a total of $7!
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