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 Difference Of Bridging For 2 & 4 Channels

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TSAM999
post Aug 15 2012, 09:39 AM, updated 14y ago

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Guys,

Can anyone advise & provide me some information regarding 2 channels & 4 channels amps in bridging mode? There are some queries which i m not clear & understand regarding this :

1) Power (RMS)
2) Stereo / Mono

Thanks in advance
zennn
post Aug 15 2012, 04:47 PM

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2 ch can be bridged into 1, ie from stereo to mono, power in theory will be doubled assuming its single voice coil 4 ohm.

if u have double voice coil sub, power will quadruple if wired in parallel 2 ohm, or quarter if wired in series 8 ohm

4ch can be bridged to 2ch, also just like above....
TSAM999
post Aug 15 2012, 11:02 PM

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QUOTE(zennn @ Aug 15 2012, 04:47 PM)
2 ch can be bridged into 1, ie from stereo to mono, power in theory will be doubled assuming its single voice coil 4 ohm.

if u have double voice coil sub, power will quadruple if wired in parallel 2 ohm, or quarter if wired in series 8 ohm

4ch can be bridged to 2ch, also just like above....
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Thanks for the info Bro, is that meant after bridged we can only get Mono Channel but Not Stereo Channel? Same goes to 4 Channels Amp as well?
joefbi
post Aug 16 2012, 11:23 AM

joefbi a.k.a roketx
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4ch bridge into 2ch still produce stereo output
zennn
post Aug 17 2012, 04:03 AM

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yes if u bridge 2ch into 1 u only get mono
if u bridge 4ch into 2, u get stereo only
TSAM999
post Aug 17 2012, 09:19 AM

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QUOTE(zennn @ Aug 17 2012, 04:03 AM)
yes if u bridge 2ch into 1 u only get mono
if u bridge 4ch into 2, u get stereo only
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Oic...Thanks for the info. But i heard from expert installer that after bridge the sound wont be as nice as it running un-bridged, is that true bro zennn?
zennn
post Aug 17 2012, 03:56 PM

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yes thats why we only bridge for subwoofers, or midbass, but not for midrange and tweeters, we only bridge when we need more power, which is usually needed for bass

 

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