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Multi-Way Conventional loudspeakers with crossovers

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Old 2nd March 2004, 10:36 PM   #11
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Old 2nd March 2004, 10:52 PM   #12
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Old 2nd March 2004, 11:21 PM   #13
Vikash is offline Vikash  United Kingdom
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In a hifi system this [power ratings], IMHO, is one of the least meaningful specs there is, yet it is the one that gets grabbed onto -- like HP or MHz -- in the bigger is better way of thinking all too common, as a measure of a speaker -- most of the drivers i use are rated at 3-4 W

dave
Off course, ignorace can be bliss. I sometimes wish I could give up those sleepless nights thinking about my designs when I could just be content with wattage - and fall asleep already.
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Old 3rd March 2004, 12:43 AM   #14
ronc is offline ronc  United States
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I had a younger type(18) over admiring and getting blown away with my 22watt gainclone/Fostex Fe206e TQWT, he asks"how many watts is the driver" to which i reply " i dont remember, but i can look it up "
he asks "how many watts are you using right now?" (smart kid) i answer "around 1". Well he threw a fit and said i was lying because NOTHING could sound like that with 1 watt.
I spent the rest of the day explaining elecronics and acoustical physics and by the end of the day he was a true convert.
I think what amazed him the most was the amount of cone movement vrs amount of bass.
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Old 3rd March 2004, 01:02 AM   #15
dooper is offline dooper  Canada
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This all reminds me of a day long ago when I worked in a pro audio rental shop. These Jamaican guys came in to rent a pair of full range speaker cabs.

Me want a rent a pair a 600 watt boxes fi DJ.

Sure, no problem. Do you need a power amp as well?

No mon, me have a Kenwood. Hundred watts each side. Me just need de big boxes fi go wit it.

The HF diaphragms cost them more than the power amp rental would have....

dooper
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Old 3rd March 2004, 01:23 AM   #16
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I spent the rest of the day explaining elecronics and acoustical physics
We can be thankful he was willing to listen, and learn. The word "convert" is appropriate.
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Old 3rd March 2004, 01:36 AM   #17
tool49 is offline tool49  Canada
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This can be played both ways tho (the ignorance about wattage/sensitivity). When walking into a said "Hi-Fi" store, you can seize up immediately the sale person. If he mentions the wattage in the first minutes of his speech, then you are most probably facing an ignorant salesman in terms of audio.

I remember a couple of years back, I went to a real hi-fi store in my area with a friend that isn't much into audio and after about 5 hours of listening to different speakers he bought a pair of B&W Nautilus and a Classé amp. On the way back home, he asked me the reason why the first thing that is mentioned on the box of amps and speakers at futureshop is an astronomous watt rating and that on his set, he could not even find it on the box. In answer, I asked him if it would have changed his mind as much as hearing them did, he said that no. And from that day he knows that what matters is what you hear and not what is specced. But he did admit that prior to that day, he always shopped by looking at numbers. So my guess is that this "bigger number == better" behaviour is valid in Canada too...

Sébastien
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Old 3rd March 2004, 03:45 AM   #18
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I do have a side question that I have wondered about for a bit. On my amp volume level (H&K) the numbers are negative and get larger as you turn up the volume. Listening to music I have never gotten the volume past neg 20 with my 95db sensitive Fostex speakers.

I was under the impression that when the volume read zero then the amp was using one watt of power. Is this correct or has nothing to do with power and is an abitrary system?
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Old 3rd March 2004, 03:52 AM   #19
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Originally posted by Tiggerfip
I do have a side question that I have wondered about for a bit. On my amp volume level (H&K) the numbers are negative and get larger as you turn up the volume. Listening to music I have never gotten the volume past neg 20 with my 95db sensitive Fostex speakers.

I was under the impression that when the volume read zero then the amp was using one watt of power. Is this correct or has nothing to do with power and is an abitrary system?
With your amplifier, the negative numbers refer to the amount of attenuation. Without also considering the input level, those numbers speak very little about the output level.

The big = better belief is common thru out Australia also.
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Old 3rd March 2004, 04:48 AM   #20
elizard is offline elizard  Canada
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Quote:
Originally posted by tool49
This can be played both ways tho (the ignorance about wattage/sensitivity). When walking into a said "Hi-Fi" store, you can seize up immediately the sale person. If he mentions the wattage in the first minutes of his speech, then you are most probably facing an ignorant salesman in terms of audio.

I walked into a local Hi-Fi shop (the best one we have in the city, and it is a very nice one, although does leave a bit to the imagination) and i was looking for an amp. I was pointed to a NAD 320BEE, which just came out .. the salesperson said that its 50 watts/side, to which he added: "which sounds little, but pay no attention to the numbers, just listen to the sound" ..

on the opposite side of the spectrum, a friend of mine was buying a home theatre receiver, and the salesman was upselling him a "better" one (more expensive) based on the fact that its heavier ..
nothing else .. just heavier
and literally the guy was saying "but its heavier, therefore its BETTER" .. no comment from me on that
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