Meet Roy Delgado

[captainbeefheart]

I'm sure Mr. Delgado chooses components for his work just like any other engineer.

 

The application dictates parts selection and the engineer puts the puzzle pieces together.

 

For example, reading through a datasheet for a specific 3 terminal LDO voltage regulator there will most likely be a graph somewhere that shows stability vs ESR for the output capacitor. The engineer will know that ESR is the main property that needs to be chosen carefully.

 

I think for capacitors in networks Mr. Delgado has said as long as the output of a filter meets his targeted transfer function then it's the correct capacitor. So in that particular application he is looking for a very specific transfer function from the filter and whatever parts get him where he needs to be then they are the correct ones for the application.

 

Of course I am paraphrasing what he said from memory but that's the gist.

[Schu]

6 minutes ago, Edgar said:

The 2018 Bonehead class was about maintaining PWK's legacy. Perhaps the next could be a discussion and comparison of horn Coloration...

 

ISWYDT

😆

[Edgar]

6 minutes ago, Schu said:

 

ISWYDT

😆

I have no idea what that means. 😕

[Emile]

2 minutes ago, Edgar said:

I have no idea what that means

Haha; had to google it ... I see what you did there

[Edgar]

7 minutes ago, Emile said:

Haha; had to google it ... I see what you did there

Thanks. But all I see is that @Schu changed my words when he quoted me.

[captainbeefheart]

12 minutes ago, Edgar said:

Thanks. But all I see is that @Schu changed my words when he quoted me.

 

Contours to coloration, these are not synonyms.

[Schu]

6 minutes ago, captainbeefheart said:

 

Contours to coloration, these are not synonyms.

 

they aren't equivalent or synonymous?

better check again.

[Edgar]

4 minutes ago, Schu said:

 

they aren't equivalent or synonymous?

better check again.

Even if they were (which they aren't), misquoting is bad form. If I had meant "coloration", I'd have said "coloration".

[DeanG Crossovers]

50 minutes ago, captainbeefheart said:

I'm sure Mr. Delgado chooses components for his work just like any other engineer.

Last week he told me he’s just been using a Ojiou board. 

[captainbeefheart]

9 minutes ago, Edgar said:

Even if they were (which they aren't), misquoting is bad form. If I had meant "coloration", I'd have said "coloration".

 

Exactly.

 

If quoting someone but for whatever reason a word gets changed to another word that means the exact same thing then it's odd and inaccurate but at least conveys the original quotes intention/message.

 

I think Schu might be integrating his own thoughts into the quote, like the contour of the horn will most likely have an effect, distortion could be one effect and hence "color" the sound.

[captainbeefheart]

27 minutes ago, deang said:

Last week he told me he’s just been using a Ojiou board. 

 

I can hear it now. PWK from beyond the grave guiding Roy through the Ojiou board to authentic parts selection😂

 

 

[Travis In Austin]

2 hours ago, Edgar said:

The 2018 Bonehead class was about maintaining PWK's legacy. Perhaps the next could be a discussion and comparison of horn contours.

October, 2019, I know, it seems longer, but right before Covid (March of 2020).

 

Roy does take note of these things in here, and other places on the forum, and files them for future ideas for classes. 

 

He has about 10 days worth of class on the Jubilee. alone. 

 

 

[Edgar]

5 minutes ago, Travis In Austin said:

October, 2019, I know, it seems longer, but right before Covid (March of 2020).

Thanks for the correction. Still, three years is a longer time than I realized.

[Chief bonehead]

2 hours ago, Edgar said:

The 2018 Bonehead class was about maintaining PWK's legacy. Perhaps the next could be a discussion and comparison of horn contours.

I don’t know if I even still have those horns…….it certainly was a Kodak moment. 

[Edgar]

25 minutes ago, Chief bonehead said:

I don’t know if I even still have those horns…….it certainly was a Kodak moment. 

Personally, I'd be very interested in how you turned a tractrix horn into a constant-directivity horn.

[Travis In Austin]

24 minutes ago, Edgar said:

Personally, I'd be very interested in how you turned a tractrix horn into a constant-directivity horn.

Math?

[DeanG Crossovers]

https://audioxpress.com/files/attachment/2705

[Edgar]

4 minutes ago, Travis In Austin said:

Math?

For innovation, the math can either lead the design, or the design can lead the math. In the former, one can look at all of the equations and notice that setting constraints and variable values in certain ways leads to interesting outcomes, some of which may be useful. In the latter, one has the idea for the interesting outcome first, and then tries to manipulate the math to achieve that outcome. I suspect that Roy's "modified tractrix" followed the latter procedure, and I would find it interesting to see how that happened.

[Chief bonehead]

53 minutes ago, Edgar said:

Personally, I'd be very interested in how you turned a tractrix horn into a constant-directivity horn.

I modified the equation. Took over a year doing over 70 protos. God is good!  

[DeanG Crossovers]

Sounds like he was really mad at you. I guess it could have been 70 x 70