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RE: Stereo, bridged or parallel?

143.236.92.53

Posted by Pro Sound Guy on October 18, 2010 at 06:57:28

In Reply to: Stereo, bridged or parallel? posted by boneaus on October 15, 2010 at 01:22:49:

Stay away from the bridging of power amps

Instability because of load impedance, and very easy to toast loudspeakers in the bridged mode.

Sonics are affected and heat is an issue

Damping factor as stated in one of the posts is a BIG deal if you want a tight control of that woofer
You will NOT have good driver control bridging that amp

Heres what happens with the damping thing...

Lets say you run a kick drum /pulse at high output
The woofer pushes out with the pulse and comes back and bounces from
that pulse
If you have a high damping factor the woofer will snap out with the pulse
and recover quickly for the next pulse
With poor damping that woofer will snap out and bounce for a period
of time

Lets compare it to a car with shock absorbers that are good (good damping)
You hit a bump the car recovers quickly and you maintain tight
control of the road
When the shocks are shot (poor damping) then when you hit bumps
the car bounces wildly up and down. Then the car continues to hit
bumps and the car just keeps bouncing wildly up and down.

That is the best analogy I can think of

Run the amp in a stereo configuration

If you cant get what you want out of 400watts @8ohms for home stereo
then your doing something wrong

If you think you need more power then simply get an amp that will
give you more power into an 8ohm load

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