The Ten Biggest Lies in Audio - Page 3 - Home Theater Forum and Systems - HomeTheaterShack.com

View Poll Results: Ten Biggest Audio Lies: Agree or Disagree (If you disagree, you must explain why!) Votes are public!
I agree with all of them. (If you vote here... do not vote again.) 131 44.26%
I disagree with all of them. (If you vote here... do not vote again.) 11 3.72%
1. The Cable Lie: Agree 106 35.81%
1. The Cable Lie: Disagree 37 12.50%
2. The Vacuum-Tube Lie: Agree 55 18.58%
2. The Vacuum-Tube Lie: Disagree 61 20.61%
3. The Antidigital Lie: Agree 70 23.65%
3. The Antidigital Lie: Disagree 43 14.53%
4. The Listening-Test Lie: Agree 79 26.69%
4. The Listening-Test Lie: Disagree 34 11.49%
5. The Feedback Lie: Agree 72 24.32%
5. The Feedback Lie: Disagree 29 9.80%
6. The Burn-In Lie: Agree 85 28.72%
6. The Burn-In Lie: Disagree 37 12.50%
7. The Biwiring Lie: Agree 78 26.35%
7. The Biwiring Lie: Disagree 34 11.49%
8. The Power Conditioner Lie: Agree 76 25.68%
8. The Power Conditioner Lie: Disagree 41 13.85%
9. The CD Treatment Lie: Agree 94 31.76%
9. The CD Treatment Lie: Disagree 25 8.45%
10: The Golden Ear Lie: Agree 81 27.36%
10: The Golden Ear Lie: Disagree 31 10.47%
Multiple Choice Poll. Voters: 296. You may not vote on this poll

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post #21 of 287 Old 02-01-08, 11:30 PM Thread Starter
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Re: The Ten Biggest Lies in Audio

Actually it is a public poll ... just click on the number to see who voted.
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post #22 of 287 Old 02-02-08, 01:10 AM
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Re: The Ten Biggest Lies in Audio

It certainly is fun to think my DIY $100 GC amp has less THD than a $12,000 valve amp.
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post #23 of 287 Old 02-02-08, 06:47 AM
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Re: The Ten Biggest Lies in Audio

Hello,

I agree with many of them except:

Cable - I can hear a difference between a 5$ analog interconect and a well home made interconect build with quality canaire cable and good RCA plugs. So I am not ok to say that interconect analog cable does not make any difference in sound. Also, if cable make difference in sound, that does not mean that one cable is more HI-FI than another. But I totally agree that AC cables does not make any difference.

Valve amp - Again, the sound is not better with a vacuum amp, it is different. This is the same case with vinyl over CD. If we say that there is no difference between different amplifier or source, so why dont we buy all the same brand and at the lower price possible ?

The Power Conditionner - Here it depends. If your AC line is clean, no groud loop, no RF interference in your video line, the conditionner will not give you much improvment. But this is not my case. The Power Conditionner give me a cleaner sound and video over cable. This is a fact. Many of recent audio component are cheeper than some vintage one and the AC filters are cheeper. So the PowerConditioner could prevent from AC fluctuation (thunder) and protect your components.

Any comments ?

Jean-Pierre Imbeau


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post #24 of 287 Old 02-02-08, 10:07 AM Thread Starter
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Re: The Ten Biggest Lies in Audio

Quote:
imbeaujp wrote: View Post
Cable - I can hear a difference between a 5$ analog interconect and a well home made interconect build with quality canaire cable and good RCA plugs. So I am not ok to say that interconect analog cable does not make any difference in sound. Also, if cable make difference in sound, that does not mean that one cable is more HI-FI than another. But I totally agree that AC cables does not make any difference.
I think you misread what he said about this. I would say you could hear a difference between "some" $5 interconnects and a good home made or otherwise quality built interconnect, but not all. Why? Because you can buy and build a very good interconnect for $5. You may have to buy the connectors and wire in bulk to get to the $5 price point, but it can be done.

I suspect if you hear a difference, then there is something faulty with one cable or the other.

To quote the writer: The lie is that high-priced speaker cables and interconnects sound better than the standard, run-of-the-mill (say, Radio Shack) ones.

He qualifies his claim: The simple truth is that resistance, inductance, and capacitance (R, L, and C) are the only cable parameters that affect performance in the range below radio frequencies. The signal has no idea whether it is being transmitted through cheap or expensive RLC. Yes, you have to pay a little more than rock bottom for decent plugs, shielding, insulation, etc., to avoid reliability problems, and you have to pay attention to resistance in longer connections.



Quote:
imbeaujp wrote: View Post
Valve amp - Again, the sound is not better with a vacuum amp, it is different. This is the same case with vinyl over CD.
Again, I think you misunderstand his claim. He does not say that they are not different, in fact he very much says they are different. No doubt vinyl and CD are different as well.

Here is the lie: Unbelievable! And so is, of course, the claim that vacuum tubes are inherently superior to transistors in audio applications—don’t you believe it.

Whatever vacuum tubes can do in a piece of audio equipment, solid-state devices can do better, at lower cost, with greater reliability. Even the world’s best-designed tube amplifier will have higher distortion than an equally well-designed transistor amplifier and will almost certainly need more servicing (tube replacements, rebiasing, etc.) during its lifetime.



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imbeaujp wrote: View Post
The Power Conditionner - Here it depends. If your AC line is clean, no groud loop, no RF interference in your video line, the conditionner will not give you much improvment. But this is not my case. The Power Conditionner give me a cleaner sound and video over cable. This is a fact. Many of recent audio component are cheeper than some vintage one and the AC filters are cheeper. So the PowerConditioner could prevent from AC fluctuation (thunder) and protect your components.
Again, I don't think you disagree with him. He qualifies the lie: “All Bryston amplifiers contain high-quality, dedicated circuitry in the power supplies to reject RF, line spikes and other power-line problems. Bryston power amplifiers do not require specialized power line conditioners. Plug the amplifier directly into its own wall socket.” What they don’t say is that the same is true, more or less, of all well-designed amplifiers.

The biggest and stupidest lie of them all on the subject of “clean” power is that you need a specially designed high-priced line cord to obtain the best possible sound. Any line cord rated to handle domestic ac voltages and currents will perform like any other. Ultra high-end line cords are a fraud.
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post #25 of 287 Old 02-02-08, 11:56 AM
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Re: The Ten Biggest Lies in Audio

I also think it's interesting how all it takes is one time, and you're sold, the exception that proves the rule so to speak.

I could use 50 random cables, and the one time I hear any difference, good or bad, I'm sold on expensive cables.

Don't get me wrong, we all generalize. I have had great experiences with monoprice, and because of that, I recommend them for every situation. However, I don't feel bad about it because monoprice saves you money. If you buy 3 cables from monoprice and the third one is junk, 3 monoprice cables and one Monster cable (ought to replace the defective monoprice one) still cost less then just buying 3 Monster cables (or 2, or 1.1 for that matter).
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post #26 of 287 Old 02-02-08, 01:43 PM Thread Starter
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Re: The Ten Biggest Lies in Audio

This is a multiple choice poll, however, if you vote that you agree with all or disagree with all, do not vote on the individual questions or your votes will be deleted.

Do you agree... if not, then why not? (This is not an option... it is a requirement as part of the poll!) If you do not agree, then you must post why you do not agree or your vote will be stripped.

This is a public poll... click any vote # to see how members voted. If you see more members listed than number of votes, it is because they voted more than they were supposed to (see above) and/or their vote was stripped because they have not complied with the initial post requirements.
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post #27 of 287 Old 02-02-08, 02:23 PM
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Re: The Ten Biggest Lies in Audio

Quote:
Do you agree... if not, then why not?
Well, I generally agreed with all of them except for the bi-wiring theory..... which said in part:

Quote:
- biwiring is pure voodoo. If you move one pair of speaker wires to the same terminals where the other pair is connected, absolutely nothing changes electrically. The law of physics that says so is called the superposition principle. In terms of electronics, the superposition theorem states that any number of voltages applied simultaneously to a linear network will result in a current which is the exact sum of the currents that would result if the voltages were applied individually.
True, of course, but it assumes that the bi-wire speaker cables present a zero impedance, and that distortion from one driver will not affect the performance of the other driver.

Superposition only holds true for a linear system. Bi-wiring will only theoretically be a benefit when drivers distort and linearity is no longer maintained.

With sufficient voltage a driver can deviate from ideal linearity so the current in that connection between the low output impedance of the amplifier and the woofer (in this case), will carry harmonic distortion components which can create intermodulation products. In a simple non-bi-wire situation, the tweeter driver terminals will see these distortion components through the speakers low to zero impedance straps (when a single non bi-wire set of cables is used).

The theoretical advantage is now valid if you assume a set of bi-wire speaker cables has some finite impedance (obviously, the longer the cables, the more pronounced the effects will be). When bi-wire cables are used rather than single wires with straps, the distortion components (caused by the woofer driver) will have a lower impedance path to the amplifiers low output impedance sink, rather than travel back and down the tweeters speaker cable.

Yeah, you're right, it's a small advantage and you could argue that the tweeters crossover would help to reduce the problem, but I suppose you could argue that the harmonic and intermodulation products will be at a higher frequency and may pass through to the tweeter driver.

The entire advantage is gained by asking this question. From the perspective of the woofer driver terminals, which is the lower impedance path to the tweeters driver terminals? Is it a set of straps in a non bi-wire situation, or is it the route of a set of bi-wire cables that has a theoretical ideal voltage source (amplifiers low output impedance) in the path?..........

Oh, did I mention that the benefit would be about the same result as attempting to slow your car down by putting your hand out the window? I never said you could hear the benefits of bi-wiring, I just said that the theory is there to not vote yes to the poll question........

brucek
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post #28 of 287 Old 02-06-08, 08:26 AM
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Re: The Ten Biggest Lies in Audio

Although I'd have to agree with the "cable lie", I do think he should have mentioned something about the build quality may have an effect on the longevity of the cable. It doesn't take long for a cheapo cable to become worthless after a few twists, bends, etc.


I'm also surprised we haven't heard more objections to the "burn in" myth. I've always been skeptical about it but on the other hand I've also had many people swear by it.
post #29 of 287 Old 02-06-08, 09:44 AM
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Re: The Ten Biggest Lies in Audio

I believe in Burn-in for mechanical devices, as he states. I'd heard the difference in headphones, using 2 brand new pair, listening to both, burning in for 2 days, and then listening again.
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post #30 of 287 Old 03-12-08, 09:37 AM
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Re: The Ten Biggest Lies in Audio

Great thread, great article. I disagree with many of the conclusions but still it was a good read.

Cables: Well, I believe the primary difference is psychological and as such is "real" to a different level for each individual. For instance, if I know which cables are in use and I favor their appearance, they will sound better to me than cables whose appearance I do not like. They could be identical in every way except the color, and it could skew my perception. We should not dismiss the power of the human psyche, it can (and does) create physical reactions.

So do some wires sound better than others? Yes, I believe they do.

Vacuum tubes: I like them better (for my music), they sound better to me. Everyone acknowledges there is a difference between the tube sound and the SS sound. I prefer the tubes for my music and the SS for my films. They both have a place and I'd hate to see either go away. I dont believe one is inherently superior.

Digital: Eh, bad digital sounds bad...bad analog sounds bad. They can both sound bad, or good. I dont think it is as much to do with the medium as it is with the mastering.

Listening Test: I've never put much stock in them. They seek to eliminate the psychological input mentioned above. In real world applications the psychological influence is unavoidable, so eliminating it from a test sort of makes the test unimportant to me. Not invalid, just unimportant.

Bi-wire: Bi-Wiring does no good that I could ever hear. Bi-amping is another story in my experience.

Power conditioners: I wouldnt be without them. I have many. They work for me...even if only psychologically.

CD treatments: Never heard any difference. I thought I did once, but upon further listening...nope.

Golden ears: Barring any physical hearing impairment everyone should be able to hear the same things. The training is where the differences come in. Just as a layman may look at visual art and does not comprehend what is being conveyed while the schooled viewer does...so can the untrained listener miss many of the details in a music reproduction that a practiced listener will pick up on.

OK, my first "real" post....hope I did OK

Mike
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