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  #9316  
Old 01-23-2010, 04:40 PM
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Rygen Rygen is offline
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Finished mine!

Wanted to thank David for the beautifully restored cabs. James for picking his brain, and Zilch for the awesome setup, and putting up with all my "rookie" PM's. They sound really good. Not sure the best way to describe them, the highs are very detailed but not harsh.

After some listening I do know I can benefit from some better woofers, but they still sound damn good.

My setup:

-Altec Valencia Cabinents
-Kenwood Trio 777 Woofers
-Selenium Drivers w/Pyle Horns

Next is to make some grills for them.

Some pics..





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  #9317  
Old 01-23-2010, 04:43 PM
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similost similost is offline
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Damn!.. those came out REALLY NICE TODD.. Can't wait to hear them next weekend.. .

One question though.. is that woofer meant to be in a sealed cab, or do you have the ports in the back? Do you know what the cab is tuned to? That could be some of the issue of the mids you were telling me about...
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  #9318  
Old 01-23-2010, 04:52 PM
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Zilch Zilch is offline
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In beautiful Valencia cabinets, Rygen is "Official AK E'Waver" #82....

http://audiokarma.org/forums/showthr...84#post2260584
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  #9319  
Old 01-23-2010, 05:00 PM
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Rygen Rygen is offline
I can break any motor.
 
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Quote:
Originally Posted by similost View Post
Damn!.. those came out REALLY NICE TODD.. Can't wait to hear them next weekend.. .

One question though.. is that woofer meant to be in a sealed cab, or do you have the ports in the back? Do you know what the cab is tuned to? That could be some of the issue of the mids you were telling me about...
Ya, if you recall, I knew going into this they may not be the optimal setup, but it got them in one piece and they were just laying around. The Trio 15" used in the 777's is used in a 3 and 4 way design, and it is ported (I know cause my Dad has a pair).

From what I researched, there are two versions of the Val's, one with a sealed cab, and another with 1 or 2" ports on each side of the horns, in the shape of rectangles.

But yes, tweaking is indeed next.

Quote:
Originally Posted by Zilch View Post
In beautiful Valencia cabinets, Rygen is "Official AK E'Waver" #82....

http://audiokarma.org/forums/showthr...84#post2260584
Thanks man, appreciate your help.
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  #9320  
Old 01-23-2010, 05:14 PM
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Zilch Zilch is offline
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Quote:
Originally Posted by Rygen View Post
From what I researched, there are two versions of the Val's, one with a sealed cab, and another with 1 or 2" ports on each side of the horns, in the shape of rectangles.
There were no sealed Valencias. 846A had port openings either side of the horn, and 846B, two round ports down by the woofer.

Whether these should be ported or not depends upon the woofer parameters. If they were originally used in ported cabinets, then chances are they should be ported here, as well, for the optimum bass response. Unless the T/S parameters for the woofers are known, the determination of the correct box tuning will have to be made empirically....
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  #9321  
Old 01-23-2010, 05:15 PM
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Duffinator Duffinator is offline
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Your speakers look fantastic, just don't show them to any Altec fans.

Quote:
Originally Posted by Rygen View Post
From what I researched, there are two versions of the Val's, one with a sealed cab, and another with 1 or 2" ports on each side of the horns, in the shape of rectangles.
The woofer dictates the cabinet design not the other way around. Are your dad's Kenwood speakers ported?
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  #9322  
Old 01-23-2010, 05:18 PM
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Rygen Rygen is offline
I can break any motor.
 
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Quote:
Originally Posted by Duffinator View Post
Your speakers look fantastic, just don't show them to any Altec fans.

The woofer dictates the cabinet design not the other way around. Are your dad's Kenwood speakers ported?
Lol, thanks man. I can't take the credit, David, the AK'r I bought them from restored them. All I did was put a fresh coat of oil and make some flat black adapter boards for the horns.

Yep, indeed his are. If I decide to keep these woofers, I will put some ports in them.
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  #9323  
Old 01-24-2010, 11:39 AM
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Russellc Russellc is offline
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Quote:
Originally Posted by Rygen View Post
Wanted to thank David for the beautifully restored cabs. James for picking his brain, and Zilch for the awesome setup, and putting up with all my "rookie" PM's. They sound really good. Not sure the best way to describe them, the highs are very detailed but not harsh.

After some listening I do know I can benefit from some better woofers, but they still sound damn good.

My setup:

-Altec Valencia Cabinents
-Kenwood Trio 777 Woofers
-Selenium Drivers w/Pyle Horns

Next is to make some grills for them.

Some pics..





Nice job, those older altec and JBL cabs sure do make nice E'waves!

Russellc
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  #9324  
Old 01-24-2010, 11:41 AM
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Russellc Russellc is offline
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Quote:
Originally Posted by similost View Post
Damn!.. those came out REALLY NICE TODD.. Can't wait to hear them next weekend.. .

One question though.. is that woofer meant to be in a sealed cab, or do you have the ports in the back? Do you know what the cab is tuned to? That could be some of the issue of the mids you were telling me about...
Wondering the same thing here....

russellc
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  #9325  
Old 01-24-2010, 11:48 AM
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Russellc Russellc is offline
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Quote:
Originally Posted by donprice View Post
In really simple terms, to make the sweet spot as big as possible

It is an art and a science...or is the art of science?
And to get it in the correct position in doing so. I think my setup has some of these problems, my center to center is almost 12 inches with the 4507 cab, and it seem in listening, that the best sound comes with the ear at the same height as the waveguide, standing seems to take a little of the fullness away....Maybe closer together would raise this "Full zone" a little? Better get measurements down first.

I'm only speculating here as the measurement system is not complete yet. I have the mic, software and some cabling, I need to break down and complete it by getting that M-audio mobile pre and get going. Easy said, While trying to finish a DIY Pass F-5. Now, "Insubnia" will soon need built! Oh well, at least I got the MC225 fixed after 2+ years!

Russellc
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Scillia/Merrill modded AR The Turntable w/Magnepan Unitrac, SAE 1000LT, Shure V15Vxmr. AVA Super Pass III, DIY Pass B-1, DIY Pass F-5, DIY P-P 6550, JBL 6230. Indignias, Econowave: JBL 4507w/2235H, QSC152 & B&C DE 250, Altec A-7, Aria 5. MR67, FM3, Mit. DA-F10, Rotel 971

Last edited by Russellc; 01-25-2010 at 09:32 AM.
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  #9326  
Old 01-24-2010, 01:37 PM
JoMoCo's Avatar
JoMoCo JoMoCo is offline
Cool Clear Water
 
Join Date: Dec 2008
Posts: 107
Quote:
Originally Posted by Rygen View Post
Wanted to thank David for the beautifully restored cabs. James for picking his brain, and Zilch for the awesome setup, and putting up with all my "rookie" PM's. They sound really good. Not sure the best way to describe them, the highs are very detailed but not harsh.

After some listening I do know I can benefit from some better woofers, but they still sound damn good.

My setup:

-Altec Valencia Cabinents
-Kenwood Trio 777 Woofers
-Selenium Drivers w/Pyle Horns

Next is to make some grills for them.
Very nice Rygen, and a great reuse of some "mid Century Modern" Altec cabs...which apparently are underappreciated by some dismantlers in comparison to the Altec drivers....

Don't give up on those kenwood 777 drivers until you tune the enclosure to their t/s parameters. At approx 97dB with the alnico magnet it should be a great choice for a high eff ewave...and a superb partner with something like Russellc's DIY F5 amp. The F5 is also a item with a performance to price ratio that is amazing....

Do a search for Valencia grills here as there was someone talking about doing some repro's. There are also some very close metal patterns if you wanted to keep that original flavor....
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  #9327  
Old 01-24-2010, 01:50 PM
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Rygen Rygen is offline
I can break any motor.
 
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Location: Sterling, VA
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Yep, saw that thread and replied for the grills. I'm going to keep at it with the kenwood drivers, I already found the site that lets you plug in the area of the cab to spit out the size of the ports. I'm also going to make new backs for the vals. I'll take a look at the F5 amp.
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  #9328  
Old 01-25-2010, 09:31 AM
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Russellc Russellc is offline
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Quote:
Originally Posted by Rygen View Post
Yep, saw that thread and replied for the grills. I'm going to keep at it with the kenwood drivers, I already found the site that lets you plug in the area of the cab to spit out the size of the ports. I'm also going to make new backs for the vals. I'll take a look at the F5 amp.
Nice car as well....

russellc
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  #9329  
Old 01-25-2010, 09:50 AM
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bugs762 bugs762 is offline
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Posts: 200
EWave Boston A100 Woofer Replacement

G'morning all. One of the woofers in my Boston Acoustic A100 EWaves is starting to develop some voice coil rub. Can anyone recommend a good replacement pair of 10" woofers. The cabinet volume is just shy of 1.6 ft3.

I don't think I want to try to source another Boston woofer seeing how there are probably much better drivers out there. Of course price counts, does Parts Express offer anything?

Thanks,
Bugs
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  #9330  
Old 01-25-2010, 09:56 AM
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Clmrt Clmrt is offline
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Measure the hole, and use the PE woofer selection guide to narrow the field.
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