Kate--Lyle's 700 Ser 1 is back..

laatsch55

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#44
kate is singing on the horns....she sounds good...No substitute for a WOPL 1000, even a quasi. The quasi bass is definately different....not worse or better....just different...love the massive headroom!!!

And Kate was a hottie...108 on the rails....
 

laatsch55

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#45
Bought a new Nikon "Coolpix" camera and can't do a thing with it. The ol Samsung got dropped at the Fleetwood Mac concert and had a cracked viewscreen ever since. I couldn't preview the pics It was frustrating. But now the SD card from the Nikon locks up my computer, and it has a funny looking USB mini cable port...so I can't plug it directly into the computere......hence no pics of Kate.... the Samsung got pitched...
 

laatsch55

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#46
Jani didn't throw out the mancave garbage yet....This is weird...I can put the mini SD in an adapter and take a pic with the Nikon, then take the Mini out of the adapter, put it back in the Samsung and download pics to the computer.....



I am diggin the quasi sound tonight.....man .....now I'm really wondering what as Rev E quasi would sound like...
 

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Gepetto

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#47
Jani didn't throw out the mancave garbage yet....This is weird...I can put the mini SD in an adapter and take a pic with the Nikon, then take the Mini out of the adapter, put it back in the Samsung and download pics to the computer.....



I am diggin the quasi sound tonight.....man .....now I'm really wondering what as Rev E quasi would sound like...
There are 3 or 4 of them out in the wild Lee...
 

laatsch55

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#48
Really??? Hmmmm.....400's obviously....IF they are running quasi backplanes....Sockets n a 700 obviously....





Ok , you redesigned the board from the ground up so the quasi option was a lot more work....was the demand for a quasi option out there or do you like the quasi sound occasionally also??
 

audiobob

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#51
Jani didn't throw out the mancave garbage yet....This is weird...I can put the mini SD in an adapter and take a pic with the Nikon, then take the Mini out of the adapter, put it back in the Samsung and download pics to the computer.....



I am diggin the quasi sound tonight.....man .....now I'm really wondering what as Rev E quasi would sound like...
It would be interesting to hear what someone would have to say when comparing a full comp to a quasi side by side.
 

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#52
Really??? Hmmmm.....400's obviously....IF they are running quasi backplanes....Sockets n a 700 obviously....





Ok , you redesigned the board from the ground up so the quasi option was a lot more work....was the demand for a quasi option out there or do you like the quasi sound occasionally also??
Hi Lee
They were existing backwall conversions (with original sockets) and the new RevE board configured for quasi-comp. Not everyone is willing to take the immediate jump all the way to new backplanes. The good news there is that the RevD and E control boards only have a handful of components to change to go from quasi to full comp later on.
 

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#53
It would be interesting to hear what someone would have to say when comparing a full comp to a quasi side by side.
I am probably one of those that has heard these WOPL's since the beginning of WOPL's. From Joe's initial offering to the latest have been beta tested in my basement. They have been brutalized, blown up, roasted, toasted, tested, measured, and most importantly.........LISTENED to. I have a very revealing set of homebuilt Kornerhorns using the 1985 plans issued by Speakerlab. Mine were built in 1985 using a 7" skillsaw, protractor and straightedge. I used the original Speakerlab drivers till about 5 years ago when I upgraded to a Crites 1526C woofs, a B & C DCM-50 2" compression driver with a Martelli Tractix wood horn, a B & C ME-10 tweeter and Al Klappenberger's Universal Crossovers. These speakers have taken massive amounts of power at times, and I have blown numerous woofers, Mid Diaphrams and tweeter diaphrams. Numerous crossover components have also bit the dust. I absolutely love my speaks. They can vibrate your eyeballs or let you witness, sonically, Patricia Barber swallow her mic. They are very revealing of any shortcoming in reproduction gear. That's a handy trait when Joe come up with something different and wants to know if I'm hearing the same change he is. Joe has said that the SPICE program can predict performance but not how it will sound. That is what Joe depends on the rest of us, all who have listened to a WOPL , to do....tell him how they SOUND. Joe can tell you exactly WHY they sound like they do, and it has a lot to do with Bob's original design.

It seems impossible to describe an audible experience such as music in definable, and consistent terms , when terms such as warm, subtle, engrossing, loose, tight, airy, enveloping, captivating...etc...how does one describe something that is heard differently by everyone?? Then the phenomena of "SOUNDSTAGE"....I'll not even try, but I think I can describe the differences between a quasi and an FC WOPL.

Bass-------
The bass of a quasi is more pronounced but less well defined than an FC. Boomier is probably an accurate description. Fc bass is tighter, faster, crisp and better defined. Both are very listenable, and I've discovered the quasi can be revisited and enjoyed as well as the FC. If I was limited to one version, an FC it would be, but I have not heard a quasi E board yet, that will be remedied shortly.

Mids------
The quasi's seem to be less clear than the FC's. Depernding on program material, that difference can be hard to detect. The mids are where I can notice the increase of soundstage in the FC's. Instrument placing is dependent on a lot of factors, some unknown to me and some I barely grasp. But I know it when I hear it. The FC's do it better.

Highs------
This is where a bad recording can get me running for the door. Horns are very unforgiving of poorly recorded high ends. The cringe factor is a real thing. It happens, period. Certain recordings I can't tell much difference, others I can. The improved distortion specs of the E board do make a difference I can hear, once again I haven't heard an E quasi yet, but up to now the FC has a better hi end.
 

laatsch55

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#56
Oh, and your speakers are awesome!

Well, speakers , like anything else audio, seem to be people specific. You may not like them after hearing them, but I figure that's why there are so many....to each his own.

As far as the quasi/fc situation, there again personal preference. I think we are extrordinarily fortunate to have an engineer of Joe's caliber involved in the process. His customer service is second to none, he's approachable, and just a nice guy in general.
Yeah, I carry his bags and sing his praises, but where else can you put together a world class amp for a fraction of what it would cost otherwise? He doesn't do it to get rich, and it's probably a large pain in the ass at times, I just glad he puts up with it. He harkens back to an Era where a guy could save his shekels and each month or so buy another piece of his dream and with his own.hands build it. In this throwaway world it's a breath of fresh air. These amps will far outlive us and probably our kids......
 

audiobob

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#57
I second that. I guess you could say that each person has a different ear for the sound stage of the music that they are listening to. Its all in the preferences and ear of the beholder.
 

Gibsonian

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#59
Hi Lee
They were existing backwall conversions (with original sockets) and the new RevE board configured for quasi-comp. Not everyone is willing to take the immediate jump all the way to new backplanes. The good news there is that the RevD and E control boards only have a handful of components to change to go from quasi to full comp later on.
And there is also a number of original 700's that cannot be made into fully comp amps using the backplane boards without obtaining new amp case and new cooling fins to match the TO layouts. The rev E board allows one board to rule them all (kind of a Lord of the Rings deal)
 

MarkWComer

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#60
Ok , you redesigned the board from the ground up so the quasi option was a lot more work....was the demand for a quasi option out there or do you like the quasi sound occasionally also??
Hi Lee
They were existing backwall conversions (with original sockets) and the new RevE board configured for quasi-comp. Not everyone is willing to take the immediate jump all the way to new backplanes. The good news there is that the RevD and E control boards only have a handful of components to change to go from quasi to full comp later on.
I'm glad that option existed, I didn't have the cash to do the full FC conversion, so I started with the RevD control board with my existing quasi output transistors on my 400 Series II. As the cash became available (truth: as the credit balance dropped!) I bought the backplane kit. The control board changes were minimal as well as simply done.

I could easily have kept the output stages as quasi comp, too- leaving the control board unchanged but building the backplanes to the supplied alternate instructions. This is truly ingenious- very clever circuit design, and flexible in the options to go either way. I'm really pleased with the outcome (that's an understatement!) by going FC. Not only that: nice new shiny modern transistors are nice.
 
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