Too much power doesn't harm speakers, playing them too loud with an underpowered receiver is far more likely to do your speakers in. Discussion threads can be closed at any time at our discretion. By adding an extra speaker to the output of an amplifier, you are adding to the load of the amplifier. If you want to convert a stereo amp into a mono amp driving a single speaker, you need what is called a bridging circuit. On most preamps, all the grounds are connected in a common bus and so, should you choose to use “Tuner” or “Line 4” this will serve the same purpose of completing an audio ground circuit. It’s important that you pay attention and don’t exceed the minimum speaker impedance rating. It basically splits the signal into two, one of which is 180 degrees out of phase from the other. The Wall Outlet The firs… Of course, there a many other separate power amplifiers on the market, but most are far more expensive than the Emotiva XPA. Most amplifiers can cope with a load of two speakers. Here is a very comprehensive demonstration of how it is done by daisy chaining them and or using Y splitters. Set Slave amplifier output-master/input-slave switch to Slave Input. … They can be on at the same time and you can switch between amps without having to turn them off. Connecting two guitar amps together is a technique that many veteran guitar players use to expand their sound. You simply connect a pair of RCA terminated line-level cables from the front or main channel preamp outputs of your A/V receiver to the inputs of the external two-channel power amp. ALL RIGHTS RESERVED. The speaker is connected to the + of the left channel and the - of the right channel. Bridging an amp combines two amplifier channels into one, to get more power. Some amps have them built in, mostly car stereo amps. Even though a bridged amp delivers 4 times the power of the regular stereo configuration, human hearing works on a log curve and that is only a 6 decibel increase in sound. Plug the output of your preamp into the HT Bypass/Direct In input of your receiver. First, make sure your receiver has "pre-out" jacks on its rear panel (if yours doesn't have one, you won't be able to hook up a separate power amp like the XPA). The forums are retiring in 2021 and are now closed for new topics and comments. The easiest solution is to parallel the inputs and run two sets of speakers. and set the amplifier’s output-master/input-slave switch to Output Master. You can find one by googling for "bridging adapter circuit". If it has one, there will be a bridging switch to enable it. If you still have the amp manual, it will show how to do this. We delete comments that violate our policy, which we encourage you to read. I have a coleman powermate 6875 it is a straight generator I am in Lake Charles LA affected severely by the storm. Adjust your preamp’s volume to your liking. Connecting the outputs can cause major problems - if the output levels are not matched, the amps will be fighting each other. I would sell the two amps and buy a bigger amp (costs money tho'). This utilizes all parts of the amplifiers for maximun power output. Running generators in parallel or rather paralleling generators means connecting two most at times the same size and brand generators together so as to offer double power. Shape the wire ends into a curved hook style. (If one has a … © 2021 CNET, A RED VENTURES COMPANY. How to connect speaker wire to car or home speakers by soldering: Strip the speaker wire (about 3/8″ to 1/2″ is fine) and twist the ends tightly to keep the strands in place. Plus both sides of the left signal into the right and left inputs of the one amplifier. i have some fairly powerful speakers that will take double plus what the amp already puts out. Step 1. Then it's just a matter of hooking up your speaker wires to the XPA. If your units don't have that or if they're not powerful enough to drive 4 speakers, there are ways to get 4 speakers using 2 amps: Recommended: Connect the "Pre-Out" jacks of one receiver to an input on the second. The input of the amps should be a stereo input. Plug your HDMI matrix into the output 1 port on the back of your receiver. A bridging circuit can be built for amps that don't have one, but it isn't trivial. Connecting the pre-amp to other A/V receiver, I agree does not double the power to speakers. Then feed the other the right signal in the same fashion. Two amps should be connected to two speakers. Oh, and please don't worry that the XPA is too powerful for your speakers. 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