 Re: Here's some interesting stuff. . .
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Joined: May 2003
Posts: 18,044
shareholder in the making
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shareholder in the making
Joined: May 2003
Posts: 18,044 |
What does that mean agai... oh, never mind...  
I am the Doctor, and THIS... is my SPOON!
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Re: Here's some interesting stuff. . .
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Joined: Sep 2006
Posts: 2
newbie
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newbie
Joined: Sep 2006
Posts: 2 |
Quote:
Did anyone else find Gene's explanation of power factor misleading ? PF is only one of the things which affect the amount of power you can get out of an outlet -- the other is amplifier efficiency. I thought Gene sort of implied that if you had a 90% power factor you could get 90% of the power potential of the outlet into your speakers, which AFAIK is not the case.
Power factor affects how much power you can get into the amplifier without overloading the house wiring; efficiency is how much of the power going into the amp makes it into the speakers rather than being dissipated as heat, noise, or the blazing light off that little LED in the corner
Actually my point about power factor is valid. The power factor of most amps is usually 70-80%. I was trying to convey that the power supply in the Axiom amp is better than most since it can actually deliver closer to the VA rating of the transformer.
This is of course separate from amp efficiency. As you can see this amp can basically dump its entire power supply into 1 channel - an industry first if I am not mistaken.
Cheers;
Gene DellaSala
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Re: Here's some interesting stuff. . .
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Joined: May 2003
Posts: 18,044
shareholder in the making
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shareholder in the making
Joined: May 2003
Posts: 18,044 |
It's not an industry first until they ship product.
Not that I don't expect them to, in fact, ship product with this feature.
I am the Doctor, and THIS... is my SPOON!
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Re: Here's some interesting stuff. . .
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Joined: Aug 2004
Posts: 6,379 Likes: 7
axiomite
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axiomite
Joined: Aug 2004
Posts: 6,379 Likes: 7 |
>>I was trying to convey that the power supply in the Axiom amp is better than most since it can actually deliver closer to the VA rating of the transformer. Absolutely, or, as everyone now seems to say here, "AFL!!" The more times I read your article the less sure I became about my interpretation. Oh well... Anyways, it was a great article -- thanks !!
M60ti, VP180, QS8, M2ti, EP500, PC-Plus 20-39
M5HP, M40ti, Sierra-1
LFR1100 active, ADA1500-4 and -8
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Re: Here's some interesting stuff. . .
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Joined: Apr 2003
Posts: 16,441
shareholder in the making
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shareholder in the making
Joined: Apr 2003
Posts: 16,441 |
There was an article? I guess I was distracted by the pictures.
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Re: Here's some interesting stuff. . .
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Joined: May 2002
Posts: 10,654
shareholder in the making
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shareholder in the making
Joined: May 2002
Posts: 10,654 |
Yes, excellent article by Gene. I was actually more interested in reading about the anechoic chamber and microphone corrections that apparently will allow extending the accuracy of the measurements down to about 20Hz. Ian has reported here in the past that wedges of that size in the chamber only allow accurate anechoic measurements down to about 85Hz.
-----------------------------------
Enjoy the music, not the equipment.
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Re: Here's some interesting stuff. . .
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Joined: Aug 2004
Posts: 6,379 Likes: 7
axiomite
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axiomite
Joined: Aug 2004
Posts: 6,379 Likes: 7 |
I read the article differently -- that the combination of chamber measurements and measurements on the pole allowed accurate readings down below 20 Hz... Then again I was very tired when I read the article
M60ti, VP180, QS8, M2ti, EP500, PC-Plus 20-39
M5HP, M40ti, Sierra-1
LFR1100 active, ADA1500-4 and -8
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Re: Here's some interesting stuff. . .
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Joined: Sep 2006
Posts: 2
newbie
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newbie
Joined: Sep 2006
Posts: 2 |
Quote:
I read the article differently -- that the combination of chamber measurements and measurements on the pole allowed accurate readings down below 20 Hz...
Then again I was very tired when I read the article
Get some sleep and re-read
What Axiom does is measure subs outdoors on the pole, then they remeasure them in the chamber. They then create a correction curve so that the chamber results are accurate down to 20Hz within a dB or so to what they measured on the pole. Pretty cool stuff!
Last edited by Audioholics; 09/30/06 03:00 PM.
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Re: Here's some interesting stuff. . .
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Joined: Mar 2005
Posts: 7,463 Likes: 1
axiomite
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OP
axiomite
Joined: Mar 2005
Posts: 7,463 Likes: 1 |
Quote:
The annual tour is always an interesting read. Thank you Sean.
Figured it was about time I contributed something to the forum besides a dumb joke! 
***********
"Nothin' up my sleeve. . ." --Bullwinkle J. Moose
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Re: Here's some interesting stuff. . .
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Joined: Mar 2005
Posts: 7,463 Likes: 1
axiomite
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OP
axiomite
Joined: Mar 2005
Posts: 7,463 Likes: 1 |
Quote:
I wonder if they will ever manufacture an amp or monoblocks that poor guys like me can afford?
Whoa, no kidding. I must have missed the price the first read through. Maybe if I work overtime for a whole year. . .
***********
"Nothin' up my sleeve. . ." --Bullwinkle J. Moose
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