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Class D Switching Power Amplifiers and Power D/A conversion

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Old 23rd February 2006, 08:24 PM   #1
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Join Date: Feb 2006
Location: KL
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Default Monoblock Decision - assistance please...

Hello to all!

First time for me here, all the way from around the world in a little country named Malaysia! Greetings from the east! Happen to stumble by this great forum, and immediately decided to become a member. Hope it's all right...

I am in the midst of a total makeover for my caraudio, and have already bought most of the stuff. However, among my last buys would be the amp of choice to run my subs.

So here goes,

I have two Kicker Comp VR (05CVR124) dual 4 ohms rated 400RMS/800watt max each, yet to be installed. From my understanding, these things can only be wired either at 4ohms or 1ohm.

Now, here in Malaysia there are several monoblocks in the market, but what caught my overall fancy is the:

1. Phoenix Gold Xenon 1200.1 Class D mono (1200RMS, 1-4ohms)
2. JL Audio Slash 1000/1 Class D mono (1000RMS, 1.5 - 4ohms)
(however the JL is still yet to be found in my shores)

Like I said, what caught my fancy is that the models above give out the same output power between 4 - 1 ohms. I would like to run my subs at 4 ohm; dont wanna risk running the amp heated at 1 ohm.

However, there is also another amp that caught my eye, but a 2 channel, which was the:

Soundstream Van Gogh VGA 1600.2
400RMS@4ohms x 2
800RMS@2ohms x 2
1600RMS x 1 @ 4 ohms mono, bridged

Now my plea for help would be:

1. Of the three above choices, which would be the `best'? (eh suitable would be a better word, i think)
2. Any unpleasant experiences with any of the amps mentioned above?
3. With regards to power draw, what should I look out for?
4. If i were to choose the soundstream, would i be making a mistake?

There we go. I sincerely hope all gurus and enthusiasts alike can assist me on this.

Oh yea, since I'm new, err.. don't flame me okay, ain't so well versed in this field myself. But then flaming is the quickest way to learn!

Thanks all, especially for reading (and replying of course!)

Cheers!
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Old 24th February 2006, 06:32 AM   #2
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Join Date: May 2002
Location: Switzerland
Even though your amp is a class-d it would better fit the car-audio forum. Maybe a mod could move it over there ?

Regards

Charles
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