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  #1  
Old 2007-05-20, 23:24
Shreddist's Avatar
Shreddist Shreddist is offline
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Crown Macro Tech amp connectons.

The crown that im about to get only had the banana style outs. and im going to be running it in bridged mono. and you only hook up both of the Left and Right + connections. so heres how it would look on the amp:

Here are the connectors
Left Right
+ +
- -

and you are supposed to hook the two positives up. now, will a standard banana plug fit between the two +'s? or would i have to do something different?
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Old 2007-05-21, 05:26
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Does it say in the manual you need to use both +'es? AFAIK every bridgeable amplifier I've had in my hands used the positive side on one channel and the negative side on the other one, like this:

Code:
Left Right + - + - | | | | \ / Speaker
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  #3  
Old 2007-05-21, 13:56
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Yes it does. The negative lead on your speakers goes in the left channels positive, and the Positive goes in the right channels positive.

Heres the manual, http://www.crownaudio.com/pdf/amps/127240.pdf
Page number 8, its the bridged mono mode.
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Last edited by Shreddist : 2007-05-21 at 13:59.
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  #4  
Old 2007-05-21, 14:11
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Ah! Strange.

I don't really understand what you're asking but my english isn't that good. Are you asking if there's room for two of the banana connectors?
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Old 2007-05-21, 16:27
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Quote:
Originally Posted by Shreddist
Yes it does. The negative lead on your speakers goes in the left channels positive, and the Positive goes in the right channels positive.

Heres the manual, http://www.crownaudio.com/pdf/amps/127240.pdf
Page number 8, its the bridged mono mode.


That is fucking weird It looks like it wants you to use both + post in bridge mono operation. It specifically says, "DO NOT USE BLACK BINDING POST".

Go with the instructions and see what happens.
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  #6  
Old 2007-05-22, 19:03
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Usually there is a switch on the back of the amp. Sometimes it says Bridged and sometimes it says Bridged mono or maybe something obscure jeje. You may also need some special connections.

When you flick that switch it will send the same signal to both channels of the amp but one of the channels will be reverse polarity. SO in that case you WOULD connect positive to positive to both terminals of the speaker. This causes a push pull effect (sound is alternating current). If you didn't flick that switch both positives would be pushing and no sound would be produced.

You should be careful though. Be sure that the impedance of your driver is twice the minimum load impedance of your amp. For example, Amp minimum load impedance = 4 Ohms, then your driver should be and LEAST 8 Ohms. Anything lower could cause your amp to try and deliver more current than it is capable of delivering which could cause your driver to fail or blow up. Unless your specs say so otherwise. jeje

For what reason do you want to use bridged mode?

Well, hope that helps.
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Last edited by PUngency : 2007-05-22 at 19:11.
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  #7  
Old 2007-05-22, 19:08
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Quote:
Originally Posted by Jopop
Does it say in the manual you need to use both +'es? AFAIK every bridgeable amplifier I've had in my hands used the positive side on one channel and the negative side on the other one, like this:

Code:
Left Right + - + - | | | | \ / Speaker

Cool diagram!

That would only work if you sent the same signal to both channels. WITHOUT the reverse polarity.
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