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ADS-910's

soundmotor said:
He was one of the most maddening yet inspirational people I've ever met. We'd hear about some new direction for product or company focus and be grousing or confused about it then we'd have a meeting in the sound room where he would explain it. Go in dead set against and come out "Hell Yeah!". It was not coincidence that we sometimes called him "Mein Fuhrer".

The guys in engineering had it the worst. He would often call them after 5PM on a Friday and whomever would pick-up would be dragooned into brainstorming/prototyping whatever idea he'd just plopped out. It happened enough that anyone left in engineering started to drop what they were doing when the phone rang late on a Friday and leave immediately.

Godehard got wise to that though. One time I was up there when the phone rang and the engineer I was with said "We gotta go NOW!" and ran out the front door. Godehard was right there in the purchasing department next to engineering with an evil smile on his face. My friend was there most of the evening. Godehard was a magnetic personality, truly a pioneer/visionary in audio and I was very sad when I heard he passed.

Side note: I could imitate Godehard's voice well enough over the phone to wreak havoc with the engineers. When Godehard was out of the country I would call up to engineering and ask whomever answered for something difficult. There was nothing better than to call up, lay down the task, and then hear the dread when they would reply thinking how their whole weekend just went to hell. The key was ludicrous yet believable because... Godehard.
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Awesome, thank you! I have my own "Godehard", and very similar stories. The only difference is mine is still alive, and he's right over, there.

Biggles
 
drbiggles said:
Awesome, thank you! I have my own "Godehard", and very similar stories. The only difference is mine is still alive, and he's right over, there.

Biggles
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:arrow::arrow::arrow::arrow::arrow:

Blessed are the few who at some time in their lives get to work with a "genius/visionary" of any sort
 
I had the pleasure of meeting Dr. Godehard Guenther once by chance when I attended an in-store ADS speaker demo back in the late 70's. Little did we know that the guy doing the presentation (Godehard) was more than some marketing rep. It was only afterwards while conversing that we found out that he was President of ADS at the time. I very nice fellow as I recall and was quite engaging. It does not surprise me to hear that it was challenging to work with him, as he obviously had the visionary gene.
 
yesshows77 said:
I had the pleasure of meeting Dr. Godehard Guenther once by chance when I attended an in-store ADS speaker demo back in the late 70's. Little did we know that the guy doing the presentation (Godehard) was more than some marketing rep. It was only afterwards while conversing that we found out that he was President of ADS at the time. I very nice fellow as I recall and was quite engaging. It does not surprise me to hear that it was challenging to work with him, as he obviously had the visionary gene.
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That must have been an interesting event! Like seeing a Mac demonstrated and afterward finding out is was Steve Jobs who did the demo!

Do you happen to remember which speakers he demoed?

Cool story.

Glenn
 
Dr. Guenther's presentation was primarily talking about the design of the drivers/crossover/cabs as I recall. It took place in the main room of my local audio store (Stereo Lab) and he played some music through a few different bookshelf models they had on the "wall of speakers"...L710's and L810's I believe and perhaps some of the smaller 2-ways. I don't remember any of the big floor standing models being featured, as it was more of a technical design presentation and less of a listening demonstration. Unrelated to that demo, I do vaguely recall seeing a pair of L2030's in the high-end room of that same store some time later.
 
yesshows77 said:
Dr. Guenther's presentation was primarily talking about the design of the drivers/crossover/cabs as I recall. It took place in the main room of my local audio store (Stereo Lab) and he played some music through a few different bookshelf models they had on the "wall of speakers"...L710's and L810's I believe and perhaps some of the smaller 2-ways. I don't remember any of the big floor standing models being featured, as it was more of a technical design presentation and less of a listening demonstration. Unrelated to that demo, I do vaguely recall seeing a pair of L2030's in the high-end room of that same store some time later.
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Very cool! One of those once in a lifetime events.

Glenn
 
GD70 said:
Hey srivats,

Veneered. The rounded corners are solid. Mine are early and the backs are veneered as well.

Glenn
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Thanks Glenn. The ones I picked up have black (no veneer) backs. I want to refresh the cabinets a bit, will go easy with the cleanup.
 
Veneered, solid dimensional lumber is not dense enough as a general rule for good audio applications. Nor is it have the proper dimensional stability. That said, the veneer seems to be of a thicker nature than today's veneers
 
michigannick said:
Veneered, solid dimensional lumber is not dense enough as a general rule for good audio applications. Nor is it have the proper dimensional stability. That said, the veneer seems to be of a thicker nature than today's veneers
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Can you please explain (or link me to some reading) why this is the case? Because solid wood can color the sound?
 
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srivats said:
Thanks Glenn. The ones I picked up have black (no veneer) backs. I want to refresh the cabinets a bit, will go easy with the cleanup.
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Post some pics when you can. Nice to hear from another 910 owner!
What are the serial numbers on yours?

I did a light block sanding on mine, then an application of Watco's natural color oil.

Glenn
 
srivats said:
Can you please explain (or link me to some reading) why this is the case? Because solid wood can color the sound?
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While not a definitive source the discussion here does a fair job of summing things up. http://www.woodweb.com/knowledge_base/Speaker_Box_Material__Solid_Wood_or_MDF.html

Also googling speaker box material MDF or solid wood will produce a lot of hits.



In brief summary

HDF/MDF have a purity and constancy of density. the boxes etc can produce some fluctuation in impedance curves and all types of things, using a homogeneous material takes the variations of solid woods largely out of this portion of the equation. Al Klappenberg (sp) of ALK networks popular in the Klipsch forums as well as i think Zaph (do a search for Zaph audio diy you wont regret it) Have some interesting conversations along this order.

Probably far more important is the need for dimensional stability .. pure woods warp . and often warp extensively .. from season to season year to year .. All of this creating issues with fit and finish of your cabs and also the air tightness .. potential loosening of joints (rattles and buzzing) the list goes on and on. If you see someone go with a ply wood it is usually a marine grade, Russian birch type, very dense, very stable very predictable
 
GD70 said:
Post some pics when you can. Nice to hear from another 910 owner!
What are the serial numbers on yours?

I did a light block sanding on mine, then an application of Watco's natural color oil.

Glenn
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Serial numbers on mine are 3700 and 3701. What are yours?
 
michigannick said:
While not a definitive source the discussion here does a fair job of summing things up. http://www.woodweb.com/knowledge_base/Speaker_Box_Material__Solid_Wood_or_MDF.html

Also googling speaker box material MDF or solid wood will produce a lot of hits.



In brief summary

HDF/MDF have a purity and constancy of density. the boxes etc can produce some fluctuation in impedance curves and all types of things, using a homogeneous material takes the variations of solid woods largely out of this portion of the equation. Al Klappenberg (sp) of ALK networks popular in the Klipsch forums as well as i think Zaph (do a search for Zaph audio diy you wont regret it) Have some interesting conversations along this order.

Probably far more important is the need for dimensional stability .. pure woods warp . and often warp extensively .. from season to season year to year .. All of this creating issues with fit and finish of your cabs and also the air tightness .. potential loosening of joints (rattles and buzzing) the list goes on and on. If you see someone go with a ply wood it is usually a marine grade, Russian birch type, very dense, very stable very predictable
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Thank you for taking the time to explain!
 
The concepts of dimensional stability is something interesting. I read a book about the making of shop clocks for navigation way back pre Christopher Columbus and how yhey would layer different types of metal together based on their expansion contraction properties to get better accuracy .. they would do this with even the most intricate tiny parts .. amazing craftmanship. But ive digressed enough
 
Does anyone know if there is a difference between 206-0313 and 206-0329 woofer parts for the ADS 910?
 
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