John Curl's Blowtorch preamplifier part II - Page 2320 - diyAudio
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Old 19th May 2012, 07:30 PM   #23191
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Quote:
Originally Posted by bcarso View Post
I am trying of course to be diplomatic. However, after exhausting the basic topic in part I and part II, and continuing to reassure people who merely want to copy JC's design that he will not provide any further details, things have run fairly far afield --- although I still think, touching on areas of interest in general.

In this latest diversion one of the things lacking is disclosure of the test instrumentation details.


Brad Wood
No it is all in this thread and the Linear Audio article.
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Old 19th May 2012, 07:33 PM   #23192
bcarso is offline bcarso  United States
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Originally Posted by simon7000 View Post
No it is all in this thread and the Linear Audio article.
Which LA article? The first one you did was woefully lacking in details, as pointed out by Samuel Groner.
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Old 19th May 2012, 07:42 PM   #23193
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Originally Posted by bcarso View Post
Which LA article? The first one you did was woefully lacking in details, as pointed out by Samuel Groner.
Where was this?
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Old 19th May 2012, 07:53 PM   #23194
bcarso is offline bcarso  United States
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Wasn't it in an LTE to Linear Audio, in 2011? If it never appeared, my apologies.
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Old 19th May 2012, 07:55 PM   #23195
morinix is offline morinix  United States
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Quote:
Originally Posted by bcarso View Post
I am trying of course to be diplomatic. However, after exhausting the basic topic in part I and part II, and continuing to reassure people who merely want to copy JC's design that he will not provide any further details, things have run fairly far afield --- although I still think, touching on areas of interest in general.

In this latest diversion one of the things lacking is disclosure of the test instrumentation details.


Brad Wood
How is Dan D. Lately?
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Old 19th May 2012, 08:00 PM   #23196
morinix is offline morinix  United States
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Anyone seen this site?
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Old 19th May 2012, 08:00 PM   #23197
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Originally Posted by bcarso View Post
Wasn't it in an LTE to Linear Audio, in 2011? If it never appeared, my apologies.
It did and it was based on an error. (Jan in editing changed a symbol in the schematic which led him solo on a merry trail of errors.) My response corrected that and added a few details.

Read the article, it is quite complete. The technique is being used by two test equipment manufacturers and one resistor maker that I know about.

Next try my article on how to measure distortion in solder joints and audio interconnects.
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Old 19th May 2012, 08:09 PM   #23198
bcarso is offline bcarso  United States
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Originally Posted by simon7000 View Post
It did and it was based on an error. (Jan in editing changed a symbol in the schematic which led him solo on a merry trail of errors.) My response corrected that and added a few details.

Read the article, it is quite complete. The technique is being used by two test equipment manufacturers and one resistor maker that I know about.

Next try my article on how to measure distortion in solder joints and audio interconnects.
Yes just re-read them. Perhaps it would be a good idea to reference the letters exchange http://www.linearaudio.net/userfiles...e_1_LTE_ES.pdf when referencing the article.
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Old 19th May 2012, 08:09 PM   #23199
bcarso is offline bcarso  United States
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Originally Posted by morinix View Post
How is Dan D. Lately?
See my PM to come.

Brad
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Old 19th May 2012, 08:14 PM   #23200
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>apparently Golden Ears can "listen through"
>these loudspeaker distortions of thousands
>times greater magnitude

It doesn't take "golden ears"
Distortion does not mask distortion.
If a signal is run through 10 distortion producing
stages, (audibly) the differance between no stage
and after stage 1 is near equal to between stage
9 and stage 10 .............
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