#34084 - 02/06/04 09:24 AM
Re: 950/7100 speaker assessments
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Desperado
Registered: 03/21/01
Posts: 14054
Loc: Memphis, TN USA
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Originally posted by BrettCottel: wonder if I'd need to get the sub off the heavily carpeted floor or will that be ok? It depends somewhat on the sub and the carpet, but in general the carpet shouldn't be a problem. Even subs with down-firing drivers or ports typically are designed to account for carpets. For example, Outlaw's LFM-1 subwoofer comes with spikes that are used to provide the floor clearance needed by the ports and driver, and SVS's subs (with a few exceptions) all are built on top of base plates with the necessary clearance built in above the plate. Originally posted by Keta: When do Gonk and Soundhound get Sheriff titles? -- An addendum to my earlier post: Gunslingers have posted more than 15 times -- some of us a lot more. Still, we're all equals around here. (Except for Scott & Admin, of course -- gotta give some deference to the hosts. ) ------------------ gonk -- Saloon Links | Pre/Pro Comparison Chart | 950 Review
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#34085 - 02/06/04 12:52 PM
Re: 950/7100 speaker assessments
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Gunslinger
Registered: 02/05/04
Posts: 62
Loc: Ceres, CA USA
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Ok, I get it...The 950 will have a lfe output for that purpose. Don't have any experience with a powered sub yet. But I did buy a Outlaw LFM-1 presently being shipped. Thanks for the info...
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Outlaw 7100/976 Combo Panamax 5100 Samsung Bluray Klipschorn front R Klipsch Belle front left Kilpsch Cornwall II's rear Klipsch RS-3 Surrounds Outlaw LFM-1 64" Samsung Plasma 8500 Amazon off air receiver MX 850 Remote Zappiti NAS RIP Zappiti pro 4K HDR
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#34086 - 02/14/04 12:53 AM
Re: 950/7100 speaker assessments
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Deputy Gunslinger
Registered: 02/14/04
Posts: 2
Loc: Albuquerque, NM, USA
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On a slightly different thread, I'm considering the 950/7100 combo but my speakers are rated 4 ohm, 80 watts max program. Will my speakers be compatible with the 7100? Or is the 100 watts too powerful?
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#34087 - 02/14/04 05:35 AM
Re: 950/7100 speaker assessments
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Desperado
Registered: 03/20/03
Posts: 668
Loc: Maryland
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Welcome Clawton,
In my judgment, the 7100 is not overkill for speakers rated for 80 watts. As odd as it may seem to some people, an amplifier output of too few watts is a greater risk to one’s loudspeakers. Reasons:
If, in your case, you drove your speakers with a 50 watts-per-channel amplifier and one day decided to ‘take things to the limit,’ before you would hear distortion based on loudspeaker limits, you would reach the amplifier’s power supply limits and be firmly into “clipping.” Voltage clipping can send large and erratic signal spikes to your loudspeakers. This type of signal can cause damage to components of passive loudspeaker crossover networks and cause the more sensitive of your drivers, especially tweeters, to receive amounts of current and physical excursions well beyond design parameters. Within a few seconds, and sometimes within a fraction of a second, damage can occur.
Let’s consider a situation where the ratio of power is the opposite. At one time I had a pair of speakers rated at 140 watts peak, 40 watts continuous. These were driven with amplification rated at 100 watts per channel, continuous. If I pushed things to the limit, I could hear performance distortion from the loudspeaker beginning well before any signal clipping. This would allow me to lower the volume before the coil windings of the larger drivers, which are usually more robust than the windings found in tweeters, could rise in temperature sufficiently to cause damage. If I had ignored the distorted sound, perhaps after many seconds or even minutes, I could have burned out a coil, but, in this type of situation, I have the time to react to avoid damage.
The other advantage to having a bit more power in the amplifier than the loudspeaker requires is “headroom.” If there are sharp but acceptable transients in the high frequencies of the signal being amplified, the amplifier handles the transients comfortably and accurately. The loudspeakers may receive a level above their continuous rated power for a few fractions of a second here and there, but the signal does not exceed the peak capacity of any of the loudspeaker components or drivers. Your equipment is relatively safe and at less risk when the amplifier won’t be pushed to it’s absolute limits in order to drive your speakers.
Assuming that they are within your budget, I wouldn’t hesitate to give the 950/7100 combo a try. After all, we wouldn’t want your bank account or credit card to be driven into “clipping,” now would we? It’s just about the same principle. If a watt was a dollar, you could spend $80 out of an available $100 to $165 without problems. Trying to spend $80 out of an available $50 to $75 would be a problem.
I hope this helps.
[This message has been edited by bestbang4thebuck (edited February 14, 2004).]
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#34088 - 02/14/04 10:32 AM
Re: 950/7100 speaker assessments
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Deputy Gunslinger
Registered: 02/14/04
Posts: 2
Loc: Albuquerque, NM, USA
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bestbang4thebuck, thanks for the response. Makes total sense. Ok, I'm sold. Will be upgrading my 1050.
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