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General Asylum General audio topics that don't fit into specific categories. |
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General Asylum General audio topics that don't fit into specific categories. |
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In Reply to: The DBT that proved all amplifiers sound DIFFERENT posted by Feanor on December 28, 2005 at 04:26:07:
I'm still waiting for any evidence there was a real double-blind test to prove the audibility of amplifiers while listening to commercial music through speakers in a normally reverberant listening room.
Where are the statistical data showing us the test results?Not even a brief summary?
With no test results available, it would appear there was no "very rigorous DBT" at all.
After many posts from you over two days, it still appears there was no double-blind audibility test at all.
Concerning the test methodology that you did mention:
- Mastertapes are not proxies for the commercial LPs available in 1975.
- Headphones are not proxies for commercial speakers.
- The "straight wire bypass" test does not replicate an ordinary stereo system.If your presentation of a subjective audition as "a very rigorous DBT" was in error, then you owe the entire General Forum an apology for misleading them. Several golden ears jumped on the "DBT bandwagon", possibly for the first time intheir lives, as a result of your post. It appears you have mislead them into believing there was a "a very rigorous DBT" that proved all amplifiers sound different.
I will make the assumption your error was not intentional, as the magazine may have been misleading.
If there really WAS "a very rigorous DBT", and you have been witholding all the test data for two days in an attempt to fool me, then you owe me an apology.
Your character attacks, however, are not apologies.
For the third time in writing, I will assure you that my questions about this so-called "test" have absolutely no connection with the amplifier you purchased after reading the article.
You do not have to "defend" your amplifier purchase.
It is certainly possible "your" amplifier had audible differences and WAS the best in the group.
However, it still appears no attempt was ever made to prove any listeners could really hear differences among the amplifiers under conditions that would be a proxy for a 1975 home listening experience (playing commercial vinyl records and listening to speakers).
There was no "very rigorous DBT" if audible differences among the amplifiers were merely assumed ... and no attempt was ever made to prove listeners really had the ability to differentiate among the amplifiers.
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Follow Ups
- It's been two days... It still appears you have presented a subjective audition as "a very rigorous DBT" - Richard BassNut Greene 12/30/0508:53:06 12/30/05 (3)
- OK, BassNut - Feanor 09:50:18 12/30/05 (1)
- I don't want a private e-mail -- share at least a summary of test results with everyone - Richard BassNut Greene 10:23:00 12/30/05 (0)
- You know what, Richard? - Dave Pogue 09:26:45 12/30/05 (0)
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