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-   -   Confessions of a Former Driver Designer (http://www.diyaudio.com/forums/multi-way/7024-confessions-former-driver-designer.html)

mrfeedback 23rd October 2002 02:05 PM

Confessions of a Former Driver Designer
 
Confessions of a Former Driver Designer

Worth a read.

sfdoddsy 23rd October 2002 03:02 PM

Without being too cruel, these are the confessions of a hack.

If he had talent, he should have quit.

diypole 23rd October 2002 03:08 PM

Bravo! That's the reason why DIY almost always outperforms commercial products of similar cost (marketing imposed design limtations), and part of the reason I guess I will never own scan speak drivers. There comes a line where alot more money brings very small improvements and I like to stay just below it. (actually, I can't afford to cross it!) Cabinetry is the biggest cost to a manufacturer, makes the most difference (besides the room) and is the thing the DIY'er has the most freedom with.
I've learned much from tearing apart old speakers, modifying crossovers and putting them in different cabinets...the results are often impressive. Moreso I think than someone who writes out a $3000 parts list for they're first DIY project. Play with what you have and trust your ears (that didn't sound right-lol) you might be surprised.
Jason

mrfeedback 24th October 2002 12:16 AM

"Without being too cruel, these are the confessions of a hack.
If he had talent, he should have quit."

At least he had enough talent to start.
His point is that much of engineering is to do with designing products to a price point, and that is not always bad.
Had a listen to any decent quality modern shelf systems lately ?.
These are very obviously built to a price point, and satisfy the criterion of most users very well indeed - if not, people simply would not buy them.
sfdoddsy - tell us your experience and learning instead of the lame profile you give.

Eric.

Jimmy154 24th October 2002 01:54 AM

I don't know why he's a "hack" what ever that meams. He had some of the best insight on speakers I've ever read. I liked his idea about "physics" is what makes a driver. I've never heard Focal drivers, but I can tell you I probably wouldn't like the way they sound just by looking at the materials the cones and domes are made out of. Although I don't know that much about a great deal about physics and even less about speakers for that matter.

Guys real funny too. I liked the part where he described the aftermarket guys' pantlegs the best:

"They did like going to car stereo shows, though. They could sit in a conversion van with fourteen subwoofers and three thousand watts of power, watching girls in skimpy bikinis and feeling their pantlegs flap in the bass."

Quote:

Originally posted by diypole
Bravo! That's the reason why DIY almost always outperforms commercial products of similar cost (marketing imposed design limtations)Jason
I didn't read anything that would lead me to believe that. Although it is somewhat true. The reason, I think, DIY speakers sound better is that I built speakers for $300 with $250 of that going to cross-over parts and drivers. And the Acoustic Research 308HO $500 a pair speakers are designed better but they have $50 worth of cross-over and drivers. Like Marshall says: "The way I figure, any idiot should be able to come up with a nice sounding system if hes got five thousand bucks and Krell amplifiers."

diypole 24th October 2002 11:45 AM

originally posted by Jimmy154
quote:
--------------------------------------------------------------------------------
Originally posted by diypole
Bravo! That's the reason why DIY almost always outperforms commercial products of similar cost (marketing imposed design limtations)Jason
-------------------------------------------------------------------------------

"I didn't read anything that would lead me to believe that. Although it is somewhat true. The reason, I think, DIY speakers sound better is that I built speakers for $300 with $250 of that going to cross-over parts and drivers. And the Acoustic Research 308HO $500 a pair speakers are designed better but they have $50 worth of cross-over and drivers. "
------------------------------------------------------------------------------------

Jimmy,
I am not sure I understand. The first sentence of your reply seems to be contradicted by the rest of the paragraph, which actually supports my opinion. Marketing people impose limitations on design that often detract from how good the sound could be. With DIY, the sound is the top design objective, providing it has satisfactory SAF.
------------------------------------------------------------------------------------
Quote from Jimmy154
Like Marshall says: "The way I figure, any idiot should be able to come up with a nice sounding system if hes got five thousand bucks and Krell amplifiers."
------------------------------------------------------------------------------------

Agree completely,
regards, Jason

Jimmy154 24th October 2002 02:42 PM

Sorry, now I think I understand what you were saying. You were referring to financial marketing limitations as well as others maybe? My AR 308 HO speaker I used to have had $50 worth of drivers and cross-over parts and sold for $700 retail. The zetag speakers I drivers and cross-overs that I used to make my speakers cost $250 and the speaker retails for $3,400 I've read.

By marketing I thought you meant things like drilling holes in the speaker is not acceptable, or making it a goofy shape or size or weight. Or funny looking drivers.

CHRIS8 25th October 2002 02:40 AM

mrfeedback:

INteresting link. Thank you.

sfdoddsy:

Please refrain from such things as 'name-calling' in a derragatory manner on this forum. You may disagree with whoever you wish when you wish with such subjects, but please state specifically what you disagree with don't simply pop up and insult people. Merely callling this person a 'hack' does not have any meaning without supportive data. However, without providing any specific proof, this is a direct personal insult as I have interpreted it.

Thank you.

-Chris

griff 25th October 2002 08:35 AM

Thanks Eric, interesting to say the least.

Jocko Homo 30th October 2002 04:00 AM

"If I only had a brain......."
 
Someone with real-world experience tells how things work in the real world, and some of you chose to..........well, maybe I shouldn't go for the Sin Bin in the first 10 minutes back. Ok.......only one of you...............

I think you get the picture......

Jocko


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