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i think both will produce 800-watts. 800-watts stereo for the RMX4050 and 800-watt bridged-mono into 8-ohms for the RMX1450. which will sound better w/ a 18" subwoofer. Which combination will produce better bass quality?
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Which will work better depends on a lot of factors, and with knowing the speaker specs, best guesses are all you're going to get.Speakers are rated to deal with 'RMS' and peak power. Actually there is no such thing as RMS power. Some companies lable their speaker RMS, some lable them program. For adequate drive of a loudspeaker you want to use 1.5 to 2 times the RMS (program) power. And then keep your amp for clipping.
Bass needs attention paid to another factor. This is called damping. While most modern amps and loudspeakers have all but eliminated the need to worry about this factor, end users could 'mess up' this factor by using low end (small guage) wire, and bridging amps. Damping factor is the ability to stop a speaker's motion once it starts. The better the damping factor, the more the bass 'snaps' off the cabinet.
A non-bridged amp presents a better damping factor at the speaker then a bridged amp. Using a heavy gauge wire improves your specs all the way around ...including damping. For runs of 50' or shorter, 12 gauge is OK, 10 gauge is preferred.
A loudspeaker's "program" power rating is usually about 1.5 to 2 times its continuous power rating. A general rule of thumb is to somewhat match the amp power point to the loudspeaker's "program" rating.Damping is not only about stopping the speaker cone, but also getting it moving.
Thanks Bob, I always get that name twisted around.
When you see it on paper, it's easier to discern.Yup, damping is that too. Plus isn't there something about capacitance and freq response from long ago, that we no longer need to worry about?
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