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#1082 - 01/22/02 09:41 AM subwoofer
Anonymous
Unregistered


I really am interested in the epic 80 system. It really sounds like a incredible value. What I dont like is the fact that the M80 towers' frequency response goes down to 28hrz and the sub is above that at 30 or something. A true sub should to me at least go down to 20hrz. Anything in the future to appease my bass crave? Why should this sub be good enough for my LFE effects. A good response and my order is in. The only thing I dont want to here is lack of availability of deep bass material because I have plenty.



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#1083 - 01/23/02 04:01 AM Re: subwoofer
Ian Offline
President
aficionado

Registered: 03/13/01
Posts: 808
This can be a very confusing specification to transform into what actually happens in the real world. Frankly I can see where we need to get a much better explanation of this transformed into our specifications for each product and I thank you for bringing this to my attention. Lets see if I can explain how this works in the real world. A speaker can maintain a flat response down to a specific frequency; below this the energy starts to drop off. For the purpose of a specification some point on this drop off must be chosen as the low-end frequency response (usually 3 db down, but this can vary). Depending on how steep the drop off is below this specified point will determine the actual bass performance you will hear. In the case of the EP350 the drop off below the specified lowest frequency is very slight giving you appreciable bass down to 20 Hz. The drop off on the M80s is quite steep below its specified lowest frequency so there is not appreciable bass below this point. To truly get a comparable picture from the specifications of the real world bass response you would need to have specifications of the low frequency at a few points i.e. 3 db down, 6 db down, 9 db down and so on. Further to this what you will actually hear is the addition of both the bass from the M80s and the bass from the EP350 making the system low frequency response lower than the individual components. All the above being said the end result in your room from this system will be great bass that goes low. I think we will put an article on the site about this whole question sometime in the near future.

Ian Colquhoun
President & Chief Engineer
_________________________
Ian Colquhoun
President & Chief Engineer

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#1084 - 01/24/02 07:51 PM Re: subwoofer
thorn Offline
newbie

Registered: 01/13/02
Posts: 3
Just installed my system with EP350. Don't worry, there is PLENTY of bass!



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#1085 - 01/24/02 10:44 PM Re: subwoofer
ChrisR Offline
old hand

Registered: 01/19/02
Posts: 61
Loc: PA
I've been wondering about this too. I have seen reviews of subs where they discuss the production of a 20Hz tone. Would a sound of this frequency be reproduced on the EP175 or EP350?


_________________________
M60s, VP150, QS8 x4 ACI Titan II sub Anthem AVM20 pre/pro Anthem PVA7 amp Panasonic DVD-RP91

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#1086 - 01/25/02 05:22 AM Re: subwoofer
Ian Offline
President
aficionado

Registered: 03/13/01
Posts: 808
Both the EP175 and the EP350 will reproduce 20 Hz but, like virtually all sub-woofers of a size that can be acceptable for home use, it will be at a lower volume level than 25Hz or 30Hz. We are going to write a much more comprehensive article on this whole subject for our web site in the near future. For now the short answer is yes they will reproduce 20Hz.

Ian Colquhoun
President & Chief Engineer
_________________________
Ian Colquhoun
President & Chief Engineer

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#1087 - 02/22/02 03:32 PM Re: subwoofer
Anonymous
Unregistered


But how much Db it would be? Can you post a graph or at least some numbers like:
HSU VTF-2: Max SPL = 107.1 dB; 25 Hz SPL = 99.0 dB; 20 Hz SPL = 93.0 dB;
SVS 20-39cs: Max SPL = 109.5 dB; 25 Hz SPL = 105.8 dB; 20 Hz SPL = 91.0 dB



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