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Old 11th October 2005, 12:03   #256
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Quote:
Originally Posted by aseem

Like stated by Jasdeep, if you plan to buy his Hertz subwoofer, than you would need to go for a mono amp stable at 2 ohms, or wire the sub in series to get the effective impedance at 8 ohms.
Aseem

This is not only about "MY" Hertz Subwoofer its for all 4+4 DVC Subs.

I am running ES300D wired in 8 Ohms at 75Watts in a sealed box. And it shakes the car. Need I say more...
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Old 11th October 2005, 15:52   #257
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Quote:
Originally Posted by gunbir

Quote:
Originally Posted by Aseem
Originally Posted by aseem
I already know that. Please read in what I have said, I stated most 4 channel amps are stable 4 ohms and above. You know it too, so lets leave it at that!
Er... even I can make out he was answering JK. But this is for you... There are many 4ch amps that are 4/2/1 ohm stable per channel and 2ohm stable in bridged mode. If you need an example, look at the Audison VRx amps.
Gunbir, I stated most amplifiers are not stable to run at 2 ohms in bridged mode. There are certain high current amplifiers that can handle that load. I was not talking specific to the product you are selling. However amplifiers like JBL CS 50.4, Sony 504/502, Pioneer 6100F, Blaupunkt GTA 470/450 are not stable at 2 ohms. The reason is simple, P=VI. So when you bridge the amp, you double the power, voltage remaining constant (from the same power source, battery). So this increase in power is a direct result in increased current flow. This means that the load has doubled which means that there is only one half of the impedance of configuration in 4 ohm mono load.. Remember that impedance is the opposition to the flow of electrical current. An amplifier depends on a high enough impedance to prevent too much current flow through the output transistors. When the load is lowered to 2 ohms mono, the current flow through the output transistors is doubled (4 ohms mono vs 2 ohms mono). The amplifier's maximum safe output current may be only slightly higher than that needed to drive a 4 ohm mono or 2 ohm stereo load. When the amplifier tries to drive the 2 ohm mono at full rail voltage (40 volts) the safe operating area of the transistors will (more than likely) be exceeded. Keep in mind that we are talking about the most common types of amplifiers which are designed to drive 2 ohms or higher per channel (2 ohm stereo stable and 4 ohm mono stable amplifiers).
This is why very few amplifiers (especially Class A/B amplifier) are capable of safely driving a 2 ohm mono load.
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Old 11th October 2005, 16:26   #258
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Aseem, thank you. Now we would like to get back to some fun ok?
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Old 11th October 2005, 16:30   #259
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Quote:
Originally Posted by navin
Aseem, thank you. Now we would like to get back to some fun ok?
Sure Navin, wanted you to check out post #19 on this thread:

http://www.team-bhp.com/forum/showth...230#post128230

Really mind blowing
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Old 11th October 2005, 16:39   #260
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it that you at the wheel? too bad it was in a showroom/show.

Last edited by navin : 11th October 2005 at 16:40.
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Old 11th October 2005, 16:39   #261
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Quote:
Originally Posted by navin
it that you at the wheel?
YUP!!! Thats me
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Old 11th October 2005, 22:22   #262
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Cool

linking anotehr JBLfyed Santro ... as sam said ' extreme hardcore ' model
http://www.team-bhp.com/forum/showpo...91&postcount=1
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Old 12th October 2005, 11:43   #263
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can anyone name some amps other than 502z to drive the cs1200b sub? amps below 5k which can be brought at grey market
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Old 12th October 2005, 11:46   #264
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Blaupunkt PA-275 Class T 2 channel amp.
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Old 12th October 2005, 12:05   #265
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Quote:
Originally Posted by Autophile
Blaupunkt PA-275 Class T 2 channel amp.
mclaren u quoted taht it available for 3-4k right? can u pls confirm if it available ther at banglore?
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Old 12th October 2005, 12:10   #266
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Quote:
Originally Posted by jkdas
mclaren u quoted taht it available for 3-4k right? can u pls confirm if it available ther at banglore?
yup its available at bangalore for 3.8k at car decor..
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Old 12th October 2005, 13:10   #267
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Quote:
Originally Posted by jkdas
can anyone name some amps other than 502z to drive the cs1200b sub? amps below 5k which can be brought at grey market
what abt sony XM 222
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Old 12th October 2005, 13:12   #268
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Don't even think about that...too tiny of an amplifer...Blau is much better and its a deal at that price.
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Old 12th October 2005, 15:00   #269
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Quote:
Originally Posted by Autophile
Don't even think about that...too tiny of an amplifer...Blau is much better and its a deal at that price.
I have a sony 504 amp, which sub is advisable to be attached to it?
Two channels power the front components, rear two to be bridged to power a sub.

Which sub? Checked out the Blaupunkt Tube, and some silicon tube, didn't like them. I would prefer something in box. to get tighter and more defined bass....
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Old 12th October 2005, 15:27   #270
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Quote:
Originally Posted by SoundManiac
I have a sony 504 amp, which sub is advisable to be attached to it?
Two channels power the front components, rear two to be bridged to power a sub.

Which sub? Checked out the Blaupunkt Tube, and some silicon tube, didn't like them. I would prefer something in box. to get tighter and more defined bass....
jbl cs1200b : 12inch box

hertz ES300: 12inch
hertz ES250D:10
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