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Old 25th February 2010, 08:38   #1
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Default JBL or Sony Amp?!!!!

Hey guys, i currently have a sony XM-ZR6042 4ch amp in my scorpio. I have already bought a JBL GT5-S644 amp for the car "assuming" JBL would be better than sony.

Now, i am not into all the technicalities of an amp, but when i did a quick research on their websites, i found out that the Sony amp SEEMS to be more powerful than the JBL. Here are the specifications-

JBL:
100W RMS x 4 Channels at 4 Ohms & 150W RMS x 4 Channels at 2 Ohms

Sony:
Maximum Output Power: 4 Ch x 110W at 4ohm
Maximum Output Power: 2 Ch x 150W at 2ohm + 1 Ch x 300W at 4ohm
Rated Output Power: 4 Ch x 60W at 4 ohm(1.0% THD)
Rated Output Power: 4 Ch x 130W at 4 ohm (0.1% THD)
Rated Output Power: 3 Ch x 130W at 4 ohm (0.1% THD)

Since i am not really an expert in understanding all these, can someone please tell me which one is actually better of the two?

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Old 25th February 2010, 09:05   #2
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When you compare RMS output of both the amplifiers, The JBL is a better choice. The RMS output power for the sony amp is 60W @ 4 Ohms while the JBL is 70W @ 4 Ohms
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Old 25th February 2010, 09:18   #3
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Quote:
• Rated Output Power: 4 Ch x 60W at 4 ohm(1.0% THD)
• Rated Output Power: 4 Ch x 130W at 4 ohm (0.1% THD)
is that a typo? the specs seem funny. JBL has not specified what % THD the power was measured at. Without knowing that, the comparison is incomplete
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Old 25th February 2010, 09:21   #4
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i have directly copy pasted the contents from here-
XM-ZR6042 : Xplod Amplifier : In-Car Entertainment : Sony India

Specs of JBL are from here-
http://www.indiajbl.com/CarAudioDesc.aspx?ID=3

Last edited by raj_5004 : 25th February 2010 at 09:24.
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Old 25th February 2010, 10:17   #5
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Quote:
Originally Posted by greenhorn View Post
is that a typo? the specs seem funny. JBL has not specified what % THD the power was measured at. Without knowing that, the comparison is incomplete
Both specs are incomplete. Most published specs are. I prefer to use my ears to distinguish the better amp.

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The RMS output power for the sony amp is 60W @ 4 Ohms while the JBL is 70W @ 4 Ohms
60W vs 70W is a difference of less than 1db which to our hearing is barely perceptable. This is not to be confused as a 1db difference in the frequency response which (at least between 250hz and 4kHz) is very perceptable.

Listen to both.
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Old 25th February 2010, 11:52   #6
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sadly, i am not a professional & wont be able to distinguish easily just by listening.
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Old 25th February 2010, 12:03   #7
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I'm not an expert too, but reading all the ICE threads here I think it's safe to assume that any product of JBL is better than the equivalent Sony product.
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Old 25th February 2010, 12:30   #8
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Arey baba, Just listen na. I am sure you will be surprised at what your ears tell you. Trust me any ear can tell differences. I know friends who are tone deaf who can tell the diffrence, it is just that they never tried to before.
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Old 25th February 2010, 13:45   #9
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Quote:
Originally Posted by navin View Post
Arey baba, Just listen na. I am sure you will be surprised at what your ears tell you. Trust me any ear can tell differences. I know friends who are tone deaf who can tell the diffrence, it is just that they never tried to before.
Hi! Raj!! i totally agree with Navin!!
just give a listen to both the amplifiers n decide!! Simple!!
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Old 25th February 2010, 18:10   #10
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Quote:
Originally Posted by navin View Post
Arey baba, Just listen na. I am sure you will be surprised at what your ears tell you. Trust me any ear can tell differences. I know friends who are tone deaf who can tell the diffrence, it is just that they never tried to before.
Quote:
Originally Posted by FeelTheBass View Post
Hi! Raj!! i totally agree with Navin!!
just give a listen to both the amplifiers n decide!! Simple!!
ok, i'll do just that now!
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Old 25th February 2010, 22:11   #11
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Does anybody know the price of Kenwood DDX7034BT the one which has got GPS Navigation system ?

Which map is being used in it?
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Old 26th February 2010, 00:20   #12
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From my experience I can say u can skip the Sony, ABSOLUTELY skip it. I have not yet met anyone who has heard both (who has some clue about good sound) and liked the Sony better than the S644 JBL.
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Old 26th February 2010, 05:43   #13
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Default Point to be noted

[quote=greenhorn;1751400]is that a typo? the specs seem funny. JBL has not specified what % THD the power was measured at. Without knowing that, the comparison is incomplete[/QUO

The relationship between THD and wattage is linear that is a higher THD% = higher rms.....
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Old 26th February 2010, 08:58   #14
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thanks buddy, i will anyhow change to JBL but as navin & feelthebass suggested, will hear both to judge the difference.
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Old 26th February 2010, 09:33   #15
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Quote:
Originally Posted by raj_5004 View Post
thanks buddy, i will anyhow change to JBL but as navin & feelthebass suggested, will hear both to judge the difference.
Thats for your own satisfaction!
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