I perchased a used EC35 without the manual and I want use my home stereo amp to power it but I can't bridge the amp to 1 channel so I'm wondering if I could ether use each channel to power 1 pair of inputs(the box has 2 pair of inputs) without damaging the speaker.the amp's output is rated at 45w each channel into a 8ohm load. Do I need a some form of crossover between the amp and the speaker or can i just use the high pass filter in my processor to do the filtering?oh what setting should I use(150,100 or 80hz) that's the only settings it has for the center channel output .
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for maximum Bass, you will want them bridged, it should show on the amp how to bridge them using the positive on one channel and the negative on the other channel. Stereo will have a more true sound but less bass.
JBL do not suggest bridging this amplifier. As it is a mono block, the "stereo outputs that are on the amplifier go to the same contacts inside", so effectively both Left and Right outputs are the same, (like using a headphone splitter.) this is designed for ease of use when installing more than one subwoofer.
if you run your sub/s at two ohms you will be able to get the full 700WRMS out of this unit.
so in effect if you "bridge" this amplifier it will not be any different if you hadn't. Bridging is designed for TWO or more channel amplifiers to increase the power going to the speakers, but not needed in a mono block amplifier.
I hope i have helped you with your problem and please dont forget to rate my solution.
you are actually not bi-amping the unit, you are bridging the amp. this really only works as long as all channels produce equal power. next the bad news is that typically home stereo amps are not wired internally to bridge channels.
bi-amping a speaker refers to connecting on channel to the highs and on channel to the lows. the receiver would need to be be able to process the outputs via a crossover network to split the frequency range in half so the appropriate frequencies went to the correct speaker.
If your planning on using a stereo system in your car or home you need to follow some rules otherwise your just wasting money. The watts of a speaker means how much power it can handle. The higher the number the more power it can handle, and usually the louder it can get without distorting. If your amp has more power or close to the wattage rating of the speaker you will blow the speaker, it can even get so hot it ignites. The amount of ohms is the electrical resistance the speaker provides. House speakers usually have 8 ohms where car speakers tend to use 4. 8 ohm stereo means your left and your right are separate channels and each speaker has 8 ohms. 8 ohms bridged means you bridge the left and right channel to increase the power output of the amp and you have to use either 1 8 ohm speaker, or 2 4ohm speakers in parallel to prevent damage to the system. Same goes for 4 ohms. If I remember correctly you want your sub(woofer) to have a wattage rating 20% higher than the amp. Remember if the speaker overheats its no good, but most amps if they overheat they just shut off until they cool off, but only if they state they have a thermal overload protection.
it seems rather redundant to bridge a mono amp. Unless the instruction manual states otherwise, i would assume that one speaker output is identical to the other (ran in parallel, like an A or B speaker, not like Left or Right), and you would present the amp with a two ohm load by wiring one speaker to each output. Bridging it may or may not work, but, again, it just seems redundant.
You can download the installation manual from the link below:
It has the following diagram plus other hookup info...
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