![](/boards/images/icons/default/book.gif) Re: Dual EP800 vs SVS Ultra 16
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Joined: Nov 2017
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OK, since my DSP idea was met with mixed reviews, but mostly positive (putting my Trump spin on whatever I say here....).
Here is my next idea, instead of ordering in the EP800, dual 12 dirvers, 800 watts rms amp. Why not order in two EP 500's, dual 12 drivers, but 1000 rms watts combined and stack them? The overall height would be about the same as one EP800, but you'd have two EP500's daisy changed and harmonically syncing in one location.
And another idea or question. Has anyone here ever used the SVS Isofeet? I have about four sets of them. I had them on all the SVS subs. They are a medium soft rubber doughnut in a steel cup with a center mounting hole to bolt them onto your speaker bottoms. Supposedly they isolate the floor coupling of the sub to wood floors as I have. I put them on my EP500 when it arrived, but I didn't try the sub with the factory hard rubber feet, which by the way are the exact same feet as on the Model T outriggers. I would never use these SVS feet on the T's, they are too soft and it would make the T become very unstable if bumped into. The Axiom firm feet hold it well in place. Any thoughts on soft durometer rubber feet on subs to isolate it from the floor vs. allowing the sub to couple to the floor mechanically? Maybe I should try removing the SVS soft rubbers and putting on the factory feet for a comparison.
I did machine a custom installation of the SVS Isofeet on my VPI Ares3 turntable, which weighs around 60 or more pounds and voila!! Absolutely NO feedback into the tone arm with the loudest levels and highest bass... best thing I ever did.
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![](/boards/images/icons/default/book.gif) Re: Dual EP800 vs SVS Ultra 16
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Joined: Dec 2003
Posts: 2,021 Likes: 1
connoisseur
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connoisseur
Joined: Dec 2003
Posts: 2,021 Likes: 1 |
But what about those of us who want to be adults in the daytime and children at night? As long as you order speakers during the day, you are safe.
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![](/boards/images/icons/default/book.gif) Re: Dual EP800 vs SVS Ultra 16
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Joined: Jan 2007
Posts: 10,490 Likes: 116
shareholder in the making
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shareholder in the making
Joined: Jan 2007
Posts: 10,490 Likes: 116 |
If you don't need the extra low frequency bass, multiple 500s will give you more options. You could stack them or split them apart.
Heck, on days where you want to be an adult, move them apart and enjoy equipotential bass as you graze(TM). On days where you want to be a teen, stack them and dance your face off in the centre of your room.
As for the feet, I would say experiment. I'd be worried about bass being coupled to your platter.
House of the Rising Sone Out in the mid or far field Dedicated mid-woofers are over-rated
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![](/boards/images/icons/default/book.gif) Re: Dual EP800 vs SVS Ultra 16
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Joined: Jan 2007
Posts: 10,490 Likes: 116
shareholder in the making
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shareholder in the making
Joined: Jan 2007
Posts: 10,490 Likes: 116 |
But what about those of us who want to be adults in the daytime and children at night? As long as you order speakers during the day, you are safe. Hee hee...
House of the Rising Sone Out in the mid or far field Dedicated mid-woofers are over-rated
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![](/boards/images/icons/default/book.gif) Re: Dual EP800 vs SVS Ultra 16
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Joined: Nov 2017
Posts: 264 Likes: 3
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I am strictly considering the difference of using one 800 with a single cabinet, two drivers and 800 watts vs. two 500's stacked, two isolated cabinets, same two drivers and two separate amps with two power supplies and 20% more power.
perhaps the DSP was written differently between the two very different platforms, but the two stacked might enhance dynamic power over as single cabinet design.
The cost of two EP500's is about on par with a single 800, so I am simply thinking abstractly here
Last edited by Slimpikins; 12/14/17 12:32 AM.
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![](/boards/images/icons/default/book.gif) Re: Dual EP800 vs SVS Ultra 16
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Joined: Jan 2007
Posts: 10,490 Likes: 116
shareholder in the making
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shareholder in the making
Joined: Jan 2007
Posts: 10,490 Likes: 116 |
Slim, name some tunes you want me to play for you tomorrow when I get the EP800 set up.
Note to TAM: I am receiving the v4 and not the v3 which both of your beauty rosewoods are. It will have: no dust cap, the black amp with a continuously variable phase adjustment, improved bracing, carbon nanotube conducting substrate from the input terminal right to the driver, Dyn-O-Mite caps with nano-infused dielectric and Oh-So-Sweet output MOSFETS. I expect it to sound superior to the V3.
House of the Rising Sone Out in the mid or far field Dedicated mid-woofers are over-rated
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![](/boards/images/icons/default/book.gif) Re: Dual EP800 vs SVS Ultra 16
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Joined: Nov 2017
Posts: 264 Likes: 3
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Mojo,
I forgot to mention, the latest version EP500 I got and I heard the 800 is not incorporating this upgrade for another two months, are Dilithium Crystal capacitors which can hold a high current over charge of 450%. And for service tech safety reason's they recommend three cap to ground discharges with urethane gloves on before opening up the circuits for testing.
If you have Shalamar "Dancing in the Sheet's" play it. Best bass yet. All slam
Last edited by Slimpikins; 12/14/17 12:43 AM.
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![](/boards/images/icons/default/book.gif) Re: Dual EP800 vs SVS Ultra 16
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Joined: Jan 2007
Posts: 10,490 Likes: 116
shareholder in the making
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shareholder in the making
Joined: Jan 2007
Posts: 10,490 Likes: 116 |
Don't look at the power, Slim. Look at the max output SPL. A machine can take more power but it may be more inefficient and hence that power is being wasted as heat.
EP500: 108 anechoically and 118 in room
EP800: 114 anechoically and 124 in room
If you stack two 500s, you'll get 111 anechoically and 121 in room.
If you stack two 800s, you'll get 117 anechoically and 128 in room.
The same analysis can be done for the 600. Of course we know these specs might be wrong, so it's best to send an e-mail to Ian and ask for his advice.
House of the Rising Sone Out in the mid or far field Dedicated mid-woofers are over-rated
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![](/boards/images/icons/default/book.gif) Re: Dual EP800 vs SVS Ultra 16
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Joined: Jan 2007
Posts: 10,490 Likes: 116
shareholder in the making
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shareholder in the making
Joined: Jan 2007
Posts: 10,490 Likes: 116 |
Mojo,
I forgot to mention, the latest version EP500 I got and I heard the 800 is not incorporating this upgrade for another two months, are Dilithium Crystal capacitors which can hold a high current over charge of 450%. And for service tech safety reason's they recommend three cap to ground discharges with urethane gloves on before opening up the circuits for testing.
Ian already has an upgrade kit ready for me but I'm on my own regarding the urethane gloves.
House of the Rising Sone Out in the mid or far field Dedicated mid-woofers are over-rated
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![](/boards/images/icons/default/book.gif) Re: Dual EP800 vs SVS Ultra 16
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Joined: Nov 2017
Posts: 264 Likes: 3
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If I recall, it takes a doubling of power to earn a 3 db increase in signal. So having 6 db more in the 800 over the 500 is impressive and that is probably due to coupling of the dual drivers. But my math above has to do with RF radiated from an antenna and it might be different from audio SPL
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