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#376301 - 05/16/12 12:19 AM
Woofer selection
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local
Registered: 07/01/09
Posts: 247
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In the custum section i saw you can actually choose between 2 woofer built
1- Standard heavy duty stamped steel woofer basket
or
2- Die-Cast woofer basket.
Actually for 1 6.5 inch woofer there is a 20bucks extra for the Die-Cast. My knowledge are limited unfortunately so i would like to know is the difference between the 2.
Thanks in advance.
_________________________
Jungson JA88D(09)
Consonance D-Linear 8
Grant Fidelity RBS-1 - PC1.5 x2 - RPF-120 MKII
Virtue Audio
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#376305 - 05/16/12 02:48 AM
Re: Woofer selection
[Re: Philippe]
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axiomite
Registered: 05/11/02
Posts: 9978
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Philippe, the stamped/die-cast question was discussed in previous threads here and here . For relatively small woofers like that, the stamped frame can be made rigid enough to do its job. There's no significant benefit there with the more expensive die-cast version.
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Enjoy the music, not the equipment.
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#376306 - 05/16/12 02:50 AM
Re: Woofer selection
[Re: Philippe]
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axiomite
Registered: 12/06/07
Posts: 6718
Loc: Canada
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The aluminum basket will be stiffer. In theory, this equates to greater linearity through the woofers range of motion and that translates to less distortion.
In reality, I suspect that Axiom feels that you cannot hear the difference (which I expect they would have validated with blind testing) so they go with a less expensive stamped basket as standard.
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Fred
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Blujays1: Spending Fred's money one bottle at a time, no two... Oh crap!
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#376317 - 05/16/12 10:08 AM
Re: Woofer selection
[Re: Philippe]
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connoisseur
Registered: 09/16/04
Posts: 3858
Loc: Marion, IA
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I thought that they did that so that some others could come on here and bash Axiom...
Oh wait, wrong thread...
I'm still super happy with my "standard" stamped ones.
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http://ht.buol.usM60s,VP180,VP150,QS8s,20-39PCi,DMP-BDT210,HD-A2,JVC RS45, Onkyo TX-NR709, Shakers
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#376330 - 05/16/12 11:25 AM
Re: Woofer selection
[Re: Philippe]
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local
Registered: 07/01/09
Posts: 247
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All right thanks and i'll jump in the other threads.
_________________________
Jungson JA88D(09)
Consonance D-Linear 8
Grant Fidelity RBS-1 - PC1.5 x2 - RPF-120 MKII
Virtue Audio
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#376336 - 05/16/12 12:21 PM
Re: Woofer selection
[Re: Philippe]
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shareholder in the making
Registered: 05/03/03
Posts: 17371
Loc: NoVA
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OH GOD NO DON'T DO THAT.
Just stay here in this happy thread....
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DON'T... call me stupid!
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#376340 - 05/16/12 12:45 PM
Re: Woofer selection
[Re: Philippe]
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axiomite
Registered: 10/05/06
Posts: 6164
Loc: PEI, Canada
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Nobody leaves, nobody gets hurt.
From Andrew's quote below, it sounds like you can't go wrong. I'm a believer in the law of diminishing returns so I would feel very comfortable with the more economical model.
From Andrew
" The reasoning for a die-cast option for the other drivers is more perception than anything else. Some manufacturers use very thin-walled stamped steel woofer baskets that can resonate at some frequencies. However, the standard Axiom baskets are made from very heavy gauge steel and do not "ring". You can expect identical performance from either the standard or die-cast option. "
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#376351 - 05/16/12 01:45 PM
Re: Woofer selection
[Re: Philippe]
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shareholder in the making
Registered: 05/03/03
Posts: 17371
Loc: NoVA
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What I seem to recall hearing from Ian quite awhile ago on these was that for very extreme volumes, the die cast would be better.
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DON'T... call me stupid!
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#376404 - 05/16/12 07:31 PM
Re: Woofer selection
[Re: Philippe]
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local
Registered: 07/01/09
Posts: 247
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Well i guess it actually provide something otherwise why offer this "upgrade"
_________________________
Jungson JA88D(09)
Consonance D-Linear 8
Grant Fidelity RBS-1 - PC1.5 x2 - RPF-120 MKII
Virtue Audio
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#376406 - 05/16/12 07:44 PM
Re: Woofer selection
[Re: Philippe]
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shareholder in the making
Registered: 05/03/03
Posts: 17371
Loc: NoVA
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Because people expect it.
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#376417 - 05/16/12 10:25 PM
Re: Woofer selection
[Re: Philippe]
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axiomite
Registered: 05/11/02
Posts: 9978
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No they shouldn't, Philippe; if they took the time to study the technology involved. When even the company engineers state that there's no performance benefit, they should take the hint. If they're concerned that visiting "audiophile" friends might insist on opening their speakers up to see if "cheap" stamped frames are used, they should consider going with the added expense. Most of us have better uses for the money.
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Enjoy the music, not the equipment.
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#376429 - 05/17/12 02:54 AM
Re: Woofer selection
[Re: JohnK]
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connoisseur
Registered: 02/08/04
Posts: 1683
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Most of us have better uses for the money. I guess i am in the minority..... Philippe, i ordered my LFR's with cast woofers as well as cast tweeters.. the tweeter upgrade is an option, just not listed yet... I ordered cast... Because, Well, in my opinion they look better... that was the extent of my decision making process.. i think it was an extra 30$ for me to upgrade the woofers, and maybe another 20$ for the tweeters... But honestly, i didn't really care about the extra cash.. When your buying 3,700$ speakers for 2,700$, what's 50 bucks?... I completely agree that stamped baskets can have the same rigidity as cast, the more folds that you introduce into a metal structure the more rigid it becomes. If it is of a proper thickness with the correct amount of bends, it can be very stiff.
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#379276 - 06/29/12 01:52 AM
Re: Woofer selection
[Re: Philippe]
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regular
Registered: 06/29/12
Posts: 5
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I picked cast baskets & dual binding posts on the M60's I just ordered not because it will just be stiffer, but the increased openness of the baskets could help with cooling/air flow even though I don't believe these drivers have a vented pole piece. And looks, lol, even if I won't see them per say. That would be an interesting look with slight adjustments to box volume and running them inverted. =p
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Denon AVR-4311CI - AudioControl Savoy G3 - M80v3's - VP180 - QS8's - SVS PB12-NSD - SVS PB13-Ultra
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#379317 - 06/29/12 12:42 PM
Re: Woofer selection
[Re: dakkon]
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regular
Registered: 06/29/12
Posts: 5
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500w... RMS or Peak? What you running? I'm not that high. They'll be running off of Marantz seperates. spyVspy, the surround of the cast drivers has a different look. If you have your Grills off, this part will be seen. As far as cooling.. My M60's get up to about 500W each, and i have never had any issue them with not being able to handel that power.. Unless your a HUGE amp, due to the impedance of these speakers not going below 6ohms, cooling shouldn't be an issue. My amp is stable to 2ohms @ 1200W, but that doesn't matter due to the lowest impedance of these speakers being no where near 2ohms. At the end of the day, it's what makes you happy. That's all that really matters. This is a hobby after all 
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Denon AVR-4311CI - AudioControl Savoy G3 - M80v3's - VP180 - QS8's - SVS PB12-NSD - SVS PB13-Ultra
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#379320 - 06/29/12 12:52 PM
Re: Woofer selection
[Re: dakkon]
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regular
Registered: 06/29/12
Posts: 5
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Cool... Yeah, I'm actually building my own Zaph|Audio ZA5 system and have a boat load of drivers down in my office. I'm just waiting to get the cabinets done, but I could resist trying out a set of these.
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Denon AVR-4311CI - AudioControl Savoy G3 - M80v3's - VP180 - QS8's - SVS PB12-NSD - SVS PB13-Ultra
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#379356 - 06/29/12 11:23 PM
Re: Woofer selection
[Re: dakkon]
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regular
Registered: 06/29/12
Posts: 5
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I asked bout upgraded tweeters and there is no option for that. So either they 86'd it, or I dunno. Most of us have better uses for the money. I guess i am in the minority..... Philippe, i ordered my LFR's with cast woofers as well as cast tweeters.. the tweeter upgrade is an option, just not listed yet... I ordered cast... Because, Well, in my opinion they look better... that was the extent of my decision making process.. i think it was an extra 30$ for me to upgrade the woofers, and maybe another 20$ for the tweeters... But honestly, i didn't really care about the extra cash.. When your buying 3,700$ speakers for 2,700$, what's 50 bucks?... I completely agree that stamped baskets can have the same rigidity as cast, the more folds that you introduce into a metal structure the more rigid it becomes. If it is of a proper thickness with the correct amount of bends, it can be very stiff.
_________________________
Denon AVR-4311CI - AudioControl Savoy G3 - M80v3's - VP180 - QS8's - SVS PB12-NSD - SVS PB13-Ultra
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