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Looking for a 3-way plate amplifier

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  • Looking for a 3-way plate amplifier

    Hi everyone! I want to build a 3-way powered loudspeakers using the drivers from a pair of old mackie boxes. (1232z) the amplifier on this boxes are not working anymore and I don't want to have them repaired because they are really big and heavy. The cabinet is also damage and in bad condition, really heavy too. I want to use one 12" LF driver (550W RMS) , one 6" MF driver (100W RMS) and one HF driver 1.75" voice coil diameter (100W RMS) on each cabinet. So I'm looking for a 3-way plate amplifier that can meet this specifications (doesn't need to be the exact same power) actually if I can find one amplifier with enough power to run two boxes that will be great!! For the size of the venues that I usually play two of this boxes per side will be enough, maybe for outdoor shows too! I'm going to be using this with my subs anyway. I could build a passive box and use a crossover and amplifiers separately but I prefer powered speakers for practical reasons. I been checking on some plate amplifiers from china (that's what google is showing me when I try to look for one) but I would like to know if I can find what I'm looking for somewhere else. I could build a 2-way speaker, there's more options for plate amplifiers out there but I really want to use the 6" drivers in my boxes along with the 12". My budget is short but I already have everything else to build my speakers but the plate amplifiers. I really hope somebody can help me this. I'll appreciate your time to reply my topic. Thanks Sent from my iPhone using Tapatalk

  • #2
    Nobody biting on this one eh... I've never seen a 3 way plat amp pre-built. Perhaps you go with a 2 way plate amp, like this, and do a passive crossover for either the top end or bottom end.
    Electronics engineer, woofer enthusiast, and musician.
    Wogg Music

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    • #3
      Originally posted by wogg
      Nobody biting on this one eh... I've never seen a 3 way plat amp pre-built. Perhaps you go with a 2 way plate amp, like this, and do a passive crossover for either the top end or bottom end.
      Hi, thanks wogg for the link. I already checked this plate amp from Dayton and if I can find a 3-way this is going to be the plate I'm going to be using for my speakers. Actually I only found 3-way pre-built from china suppliers, there's a company named ground sound, they have one 3-way plate amp but with only 300 watts for the low frequencies, I would like to get at least 500watts RMS for the lows. Thanks for the information anyway. Sent from my iPhone using Tapatalk

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      • #4
        Originally posted by rober07 View Post
        the amplifier on this boxes are not working anymore
        ​This, this, THIS is the PRIME reason why I don't like active speakers (there are many other reasons btw). Your options are very limited if the active part of the arrangement lets out the magic smoke. I suggest that you go passive and, depending on your budget, use one or more of the cheaper DSP-capable amps to drive them.

        ​I agree with the suggestion to go passive two-way between the mid and hi-frequency drivers, and active between the bass and mid. With that arrangement you can use an amp with two channels (for a mono arrangement), or two amps with two channels or one with four (if you're going for a stereo arrangement).
        Brian Steele
        www.diysubwoofers.org

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        • #5
          There is PWR-DSP3 from DSP4YOU, but you may not like the price tag.
          Don't waste your money on a new set of speakers, You get more mileage from a cheap pair of sneakers. Next phase, new wave, dance craze, anyways it's still rock and roll to me!

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          • #6
            Originally posted by Brian Steele
            ​This, this, THIS is the PRIME reason why I don't like active speakers (there are many other reasons btw). Your options are very limited if the active part of the arrangement lets out the magic smoke. I suggest that you go passive and, depending on your budget, use one or more of the cheaper DSP-capable amps to drive them. ​I agree with the suggestion to go passive two-way between the mid and hi-frequency drivers, and active between the bass and mid. With that arrangement you can use an amp with two channels (for a mono arrangement), or two amps with two channels or one with four (if you're going for a stereo arrangement).
            Thanks for the advice Brian, I'm seriously considering passive speakers now! I been checking some amplifiers with built-in DSP and the new products are really good! And not heavy at all. That was one of my concerns about having a passive system. The weight of amplifiers rack. I'm going to be spending more money but I think is good investment. Sent from my iPhone using Tapatalk

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            • #7
              Originally posted by rober07 View Post
              ... really heavy too....
              Having the electronics inside the cab will make it heavier.
              There is a big availability of electronics for an external setup ( active crossovers/amps ); plate amps are not common.
              No plate arrangement I've seen for sale has the capabilities and flexibility of external modular active systems
              They ( plate arrangements ) have a disadvantage of being an internal singular unit, In an external system, parts/units can be swapped out.
              "Not a Speaker Designer - Not even on the Internet"
              "If the freedom of speech is taken away, then dumb and silent we may be led, like sheep to the slaughter."

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