Series or Parallel - Bridged or not Bridged
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From: Ontario
Series or Parallel - Bridged or not Bridged
I have a:
2014 SGS
Biketrinics BT4180
Focal 165 KRC's 6 1/2" (4 ohlm) Front
Polk MM571's 5" x 7" (2 ohlm) Rear
My question is do I install speakers in Series or Parallel. Or separate wires to front and back going to same 2 channel outputs on Amp? Do I Bridge the Amp to 2 channels or leave it alone at 4 channels?
The reason why I ask is that some days I will ride with saddle bag rears and other days I will want to remove the saddle bags. So I don't loose power when I disconnect rears, I figured it might be a good idea to bridge Amp to 2 channel and install 4 speakers of them, then when I ride saddles less, all the power will then go to my fronts.
Thanks for any advice,
Chris
2014 SGS
Biketrinics BT4180
Focal 165 KRC's 6 1/2" (4 ohlm) Front
Polk MM571's 5" x 7" (2 ohlm) Rear
My question is do I install speakers in Series or Parallel. Or separate wires to front and back going to same 2 channel outputs on Amp? Do I Bridge the Amp to 2 channels or leave it alone at 4 channels?
The reason why I ask is that some days I will ride with saddle bag rears and other days I will want to remove the saddle bags. So I don't loose power when I disconnect rears, I figured it might be a good idea to bridge Amp to 2 channel and install 4 speakers of them, then when I ride saddles less, all the power will then go to my fronts.
Thanks for any advice,
Chris
Last edited by ChrisHall11; Apr 9, 2014 at 07:35 AM.
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From: Michigan
Leave it 4 channel. Wire each speaker separately.
I'm not even sure you can bridge that amp, but even if you could, I can't imagine a way to do it with all 4 and make it right. If you could bridge it you would have to run them in series because parallel would drop it to 1 ohm.
I'm not even sure you can bridge that amp, but even if you could, I can't imagine a way to do it with all 4 and make it right. If you could bridge it you would have to run them in series because parallel would drop it to 1 ohm.
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Intermediate
Joined: Mar 2014
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From: Ontario
Unfortunately, my rear speakers are only 2 ohms and the Amp is not bridgeable.
But if rears were 4 ohms and if the Amp was bridgeable, by the looks of this image, with the rears installed Amp would have seen 2 ohms, and with them not installed I believe Amp would have seen 4 ohms.
No loss of power would have happened with either setup. Seems like it would have been a good idea. No?
But I guess the current put out would have been the same, and in the end no louder when hooked to only fronts.
Or if bridge, wouldn't...
2 front speakers alone each have seen 360 Watts at 4 ohms
4 speakers have each seen 180 watts at 2 ohms each
Ohms law is so confusing.
But if rears were 4 ohms and if the Amp was bridgeable, by the looks of this image, with the rears installed Amp would have seen 2 ohms, and with them not installed I believe Amp would have seen 4 ohms.
No loss of power would have happened with either setup. Seems like it would have been a good idea. No?
But I guess the current put out would have been the same, and in the end no louder when hooked to only fronts.
Or if bridge, wouldn't...
2 front speakers alone each have seen 360 Watts at 4 ohms
4 speakers have each seen 180 watts at 2 ohms each
Ohms law is so confusing.
Outstanding HDF Member
Joined: Mar 2012
Posts: 2,843
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From: Michigan
4 speakers would have been a 2 ohm load in parallel if all speakers were 4 ohm.
You should have plenty of sound coming from the front speakers with 180 RMS watts out to them. I don't think you will be disappointed. Not to mention the fact that putting 360 watts to each speaker would probably not last very long without damage.
I also have to ask why you would be riding around without saddlebags, or switching then out. The 5x7 is a lid speaker and you won't lose much interior room in the bag so I can't see the need to switch saddlebags out.
You should have plenty of sound coming from the front speakers with 180 RMS watts out to them. I don't think you will be disappointed. Not to mention the fact that putting 360 watts to each speaker would probably not last very long without damage.
I also have to ask why you would be riding around without saddlebags, or switching then out. The 5x7 is a lid speaker and you won't lose much interior room in the bag so I can't see the need to switch saddlebags out.
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From: Indianapolis IN.
Not to mention the aesthetics . . . Can't say I've seen that in all my years of riding across the states. . . .Guys buy baggers for a reason. . .lol
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From: East of the Sun, West of the Moon
Leave it 4 channel. Wire each speaker separately.
I'm not even sure you can bridge that amp, but even if you could, I can't imagine a way to do it with all 4 and make it right. If you could bridge it you would have to run them in series because parallel would drop it to 1 ohm.
I'm not even sure you can bridge that amp, but even if you could, I can't imagine a way to do it with all 4 and make it right. If you could bridge it you would have to run them in series because parallel would drop it to 1 ohm.
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