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Re: Dual EP800 vs SVS Ultra 16
Mojo #427667 12/16/17 08:01 PM
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Originally Posted By Mojo
TAM, the amp in both of your 800s is at danger of shutting down because it's probably putting out less than a 1/4 Watt in that tiny dungeon you call a room...LOL! So you don't need what the dust caps offer me. I have mine CRANKED as far as it will go because I am in a cavernous cave.

Yes...I do agree they have an elegant appearance. But mine are far more high tech.


Only one solution MOJO MORE SUBWOOFERAGE>


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Re: Dual EP800 vs SVS Ultra 16
icehawk21 #427668 12/16/17 10:16 PM
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I'll tell you this. You can never have enough 800s! Turning it up, just makes it pound harder. No distortion but clean, loud bass. Hence having more of them is better smile

Re: Dual EP800 vs SVS Ultra 16
icehawk21 #427671 12/17/17 01:33 AM
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Mojo loves his Mojo.... I mean 800

Last edited by Slimpikins; 12/17/17 01:34 AM.
Re: Dual EP800 vs SVS Ultra 16
icehawk21 #427672 12/17/17 02:23 AM
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Update,

I have been running the EP 500 with 80 hz crossover with my CD media, it works perfectly. However with analog vinyl, 150 hz is much more dynamic. I suppose the bottom line is, it's all variable, no specific answers. It depends on the input to make the output

Re: Dual EP800 vs SVS Ultra 16
icehawk21 #427687 12/17/17 06:46 AM
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Very dependant on the input.
Digital media on my equipment is much louder than any analog previously on Oinkyo and a Teac pro{Integra}With another badge.

As well as on my new Anthem MRX720 need around 10 to 20DB more to equal similar digital volumes.

Thanx for the info need to play with crossovers and inputs now.
Cool that you can program that for the specific input.

Re: Dual EP800 vs SVS Ultra 16
icehawk21 #427689 12/17/17 02:42 PM
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Actually what I find is that the output level of vinyl records varies greatly with the vintage. The older late 60's stuff like Easy Rider sound track and Eric Burden or Thelma Houston all seem to be lower. My late vinyl such as Don Henley or The League are very similar to digital recordings. I think that the quality of the original masters were better at the late stage of vinyl before everything switched over to CD's. My Timo Maas CD which was recorded in Germany around 2003 is so well done, it approaches the vinyl quality.

I wonder if Andrew would be able to design an outboard control to plug into the USB ports of the subs which would allow for either remote control of the crossover settings or at least an auxiliary pot on a cable which could be mounted on the wall at the sub, that would be very handy to enable making changes with various music. I am amazed at how much the crossover effects the performance of the subs simply based on the recorded music being played. It's not really a set it and forget it type of control.

Re: Dual EP800 vs SVS Ultra 16
icehawk21 #427690 12/17/17 05:21 PM
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What USB port of the subs? It's gone!


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Re: Dual EP800 vs SVS Ultra 16
Slimpikins #427693 12/17/17 08:12 PM
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There is a lot of info in this thread. From what I gather we need to add a control for boosting the "in-your-gut" bass frequencies, remove all the control knobs and switches from the back of the amp, and make the whole thing controllable from an Apple App, Android App, or WebUI. Is this correct? Did I miss anything?

On some other points brought up:

Steve is working on all the subwoofer product pages right now. They should be all updated in the next week. This is desperately needed!

The current drivers for all our subwoofer models have an aluminium dust cap; this method of construction gives us the highest level of heat-sinking from the voice coil.

Where the EP600 can make a lot of sense is if you want to run two or four subwoofers. Two EP600s is like one EP800 split in two. The two EP600s actually have move cabinet volume and amp power then the one EP800. Of course two or four EP800s is sub nirvana; TAM knows this already.

One of the greatest things with our subwoofers is the amplifiers that Andrew has designed. The linear power supply and high capacitance storage gives them excellent dynamic headroom and great properties when they hit max power due to the toroidal transformer. In music and movies it is the dynamic power capabilities that matter, not the continuous RMS output, but all the attention is given to the continuous output spec. This makes some sense in that the continuous RMS output is something that can be measured in a consistent fashion. Though I wonder about the ones that manage to have more continuous output than the wall socket they use can supply.


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Re: Dual EP800 vs SVS Ultra 16
icehawk21 #427694 12/17/17 09:05 PM
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Apple and Android UI with DSP controls would be terrific. Yeah...Andrew knocked it out of the park!


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Re: Dual EP800 vs SVS Ultra 16
Ian #427695 12/17/17 09:58 PM
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Originally Posted By Ian
There is a lot of info in this thread. From what I gather we need to add a control for boosting the "in-your-gut" bass frequencies, remove all the control knobs and switches from the back of the amp, and make the whole thing controllable from an Apple App, Android App, or WebUI. Is this correct? Did I miss anything?

On some other points brought up:

Steve is working on all the subwoofer product pages right now. They should be all updated in the next week. This is desperately needed!

The current drivers for all our subwoofer models have an aluminium dust cap; this method of construction gives us the highest level of heat-sinking from the voice coil.

Where the EP600 can make a lot of sense is if you want to run two or four subwoofers. Two EP600s is like one EP800 split in two. The two EP600s actually have move cabinet volume and amp power then the one EP800. Of course two or four EP800s is sub nirvana; TAM knows this already.

One of the greatest things with our subwoofers is the amplifiers that Andrew has designed. The linear power supply and high capacitance storage gives them excellent dynamic headroom and great properties when they hit max power due to the toroidal transformer. In music and movies it is the dynamic power capabilities that matter, not the continuous RMS output, but all the attention is given to the continuous output spec. This makes some sense in that the continuous RMS output is something that can be measured in a consistent fashion. Though I wonder about the ones that manage to have more continuous output than the wall socket they use can supply.





Ian, I'd not opt for cell phone app control... too much risk of issues. I'd do an out board controller, something which could be plugged into the amp on the subs via a cable and not subject to software corruption. The cable would allow the user to place the controller where it's best for each room.

My experience thus far with the EP500 is that I like it a lot. It's super smooth. However I play with the controls to dial it in for what I am listening to based on the music source. An out board control would be fun.

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