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ALiii updated with Infinity Kappa Perfect 10.1s

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indyaudio

Newbie 50+

Posts: 96

Joined: Tue Nov 29, 2011 6:52 pm

Location: Carmel, Indiana

Post Tue Dec 27, 2011 10:06 am

ALiii updated with Infinity Kappa Perfect 10.1s

Like many of you, I updated the woofers in my ALiiis just a couple of weeks ago using the Infinity Kappa Perfect 10.1s. In my opinion, they are a significant upgrade from my originals (and if you are not going to use a subwoofer). Last evening, I went back in and added gaskets (mine were gone altogether) and upgraded the original wood screws with appropriate mounting hardware (hex head 1.5" bolts, lock washers, and flat version of T nuts).

I used some foam shelf liner from Lowes to make the gaskets outlining the woofer with a yellow colored pencil and marking the inner circumference 3/4" inward and tracing it by hand. Cut out with scissors, lay on the woofer and poke 8 holes with an awl and ready to go.

I drilled out my factory mounting holes to 1/4" and was surprised to find that I only had 4 factory holes for each woofer. I now have 8:) You'll need to pull the cross overs to hold the the flat T nuts as you tighten the bolts. Once you get enough tension, they won't spin and these are much better than conventional T nuts that may not be able to "bite" into the dense cabinet material. Place the gasket on the woofer and put all 8 bolts in place then put the woofer in the speaker hole. Get all 8 bolts in the holes and add the nuts by hand. Torque them down evenly like tightening lug nuts on a car wheel. I used my small torque wrench from my road bike tool kit here, don't recall how many newtons of torque I applied (probably the Smithwick's too)

Attach the wires (I plan to upgrade to 12G next time) and close up the crossover again. There were no gaskets here either so a little Permatex silicone was used with a small bead. Install the bases and put on your favorite tunes.

The bass sounds tighter now then without the gaskets and I wonder if I was getting some cabinet vibration with only 4 little wood screws holding each of the woofers? They are very heavy. Victor Wooten has never sounded so good! Looking forward to powering these with my new 4.0t and then the Sunfire 300~2/Tube preamp combo later on this week.

This site and the members are fantastic! Thanks for all the info and advice that made this upgrade easy and most enjoyable.
Attachments
DSCN5061.JPG
Remove Crossover for access
DSCN5059.JPG
Making Gaskets
DSCN5063.JPG
The finished product
Main Room System(s):
Speakers - Polk SRS 1.2TL; Carver ALiii; KEF 101, 104/2; Pioneer HPM150; JBL S7R Sovereign, L112, 4312, 43111
McIntosh - C28, C26, C24 preamps; MC30 monoblocks, MC2205, MC2120 amps
Carver - M4.0t amp; CT17 preamp; C9 Holography; Digital Time Lens; SDA360 CD
Sunfire 300~2 (2) & Dynaco ST-70 tube (2) amps
Jolida tube & Linn Karik CD; Rega P2 & Marantz 6300 Turntables
Arcam rDAC
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TNRabbit

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(pair of) SILVER-7 TUBE AMPs

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Joined: Sun Jan 14, 2007 11:53 am

Location: TN Native Languishing in VA

Post Tue Dec 27, 2011 1:10 pm

Re: ALiii updated with Infinity Kappa Perfect 10.1s

That's the exact same gasket material I used~

Good job! Looks great.

The first time I heard an unusual noise from my AL-IIIs was when I had some bass-heavy notes hitting hard...it was "farting" around the woofer edge. The gasket tightened things up considerably all around.
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EndersShadow

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TFM-55

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Joined: Thu Jun 30, 2011 3:58 pm

Location: Indiana

Post Tue Dec 27, 2011 1:23 pm

Re: ALiii updated with Infinity Kappa Perfect 10.1s

Glad your enjoying the tunes. Thats the most important part \:D/ \:D/
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kingman

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(pair of) SILVER-7 TUBE AMPs

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Post Tue Dec 27, 2011 1:44 pm

Re: ALiii updated with Infinity Kappa Perfect 10.1s

Excellent! Some day I'll get around to changing mine out. :rolleyes:
In reality, it only matters what it sounds like to YOU!!!
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indyaudio

Newbie 50+

Posts: 96

Joined: Tue Nov 29, 2011 6:52 pm

Location: Carmel, Indiana

Post Tue Dec 27, 2011 2:32 pm

Re: ALiii updated with Infinity Kappa Perfect 10.1s

TNRabbit wrote:That's the exact same gasket material I used~

Good job! Looks great.

The first time I heard an unusual noise from my AL-IIIs was when I had some bass-heavy notes hitting hard...it was "farting" around the woofer edge. The gasket tightened things up considerably all around.


Thanks Gary for your suggestion on this material, worked perfectly and cleared up the farting! And for your suggestion on using the flat T nuts, didn't need to use set screws, thankfully, made it go a LOT quicker, just 3 beers from start to finish:)
Main Room System(s):
Speakers - Polk SRS 1.2TL; Carver ALiii; KEF 101, 104/2; Pioneer HPM150; JBL S7R Sovereign, L112, 4312, 43111
McIntosh - C28, C26, C24 preamps; MC30 monoblocks, MC2205, MC2120 amps
Carver - M4.0t amp; CT17 preamp; C9 Holography; Digital Time Lens; SDA360 CD
Sunfire 300~2 (2) & Dynaco ST-70 tube (2) amps
Jolida tube & Linn Karik CD; Rega P2 & Marantz 6300 Turntables
Arcam rDAC
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jjptkd

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SILVER-7 TUBE AMP

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Location: Snohomish, WA

Post Tue Dec 27, 2011 4:34 pm

Re: ALiii updated with Infinity Kappa Perfect 10.1s

Nice work! =D> =D> I had a stock pair of AL-III plus for awhile and was not impressed with the low end at all, bet the upgrade helps quite a bit! =D> =D>
Sunfire TGP-III
Sunfire 405x5
PS Audio DL-III DAC
Klipsch Chorus II's
Klipsch RSW 15
Klipsch KW-120 (2)
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mbskeam

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SILVER-7t

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Location: Woodinville Wa

Post Tue Dec 27, 2011 6:16 pm

Re: ALiii updated with Infinity Kappa Perfect 10.1s

I had a stock pair of AL-III plus for awhile and was not impressed with the low end at all


this ugrade is a 100% improvement, (somebody really cheaped out) :-" :lol: :lol:
most of the time I just run these as subs along with my plats.
Mbskeam


#1 BLACK BEAUTY's made by the man, the myth, the legend Bob Carver
CARVER: TFM-75, TFM-45(3), SD/A-490T
SUNFIRE: Tube pre
2 sets of ALS'3, set of SILVERS, set of PLATS
AUDIOCONTROL: phase coupled activator
KENWOOD: BASIC M2a (2)

“Youth ages, immaturity is outgrown, ignorance can be educated, and drunkenness sobered, but stupid lasts forever.”
― Aristophanes

The only thing I'll feel......will be the RECOIL
Necronomicon Ex-Mortis....... Klaatu Barada Nikkto
"We should seek the greatest value of our action"
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TNRabbit

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(pair of) SILVER-7 TUBE AMPs

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Joined: Sun Jan 14, 2007 11:53 am

Location: TN Native Languishing in VA

Post Thu Feb 02, 2012 10:38 am

Re: ALiii updated with Infinity Kappa Perfect 10.1s

So how are they now you've had some time to evaluate? Impressions? Pros/cons?
TNRabbit
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From FrankieD's lips to your ears: Sunfire - a quiet box of endless power.

Sunfire TG-IV/400~7 Amp
Carver SD/A-360 CDP
Benchmark DAC-1
Sony SACD/DVD-A
Active bi-amp: Ashly XR-1001 & 2 Rane PEQ-15s
Main: HotRodded AL-IIIs
Sub: Klipsch RT-12d
Center: Sunfire CRS-3c
Surround: Sunfire CRS-3 (x 2)

OconeeOrange wrote:"Gary likes to play it 'loud' as do I. His system begs you turn it up until you die"

RIP WIlliam B. Dibble, 1948-2012. I'll miss you my friend.
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angelod307

SILVER-7 TUBE AMP

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Location: manning, sc

Post Thu Feb 02, 2012 11:28 pm

Re: ALiii updated with Infinity Kappa Perfect 10.1s

so the svc speaker sold for $111 plus 25 to ship. i stopped at 75.99, and it flew right by me.
CarverFest: I just go for the arts and crafts

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