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Nd91-8 and Nd16fa-6

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  • #16
    Originally posted by Scarface1 View Post
    https://www.parts-express.com/lepai-...3118--310-4002

    if I buy this one I have a built in highpass but the rest of the amp I know nothing about. I want to give the sub 50 clean watts RMS and this amp only have 60 watt RMS. Also it will only accept a max of 22 V wich isn't 60 watt RMS
    I own and tested the amp you linked. I also own and tested the Dayton MCA2250E plate amp. IMO the MCA2250E is better in all aspects and would recommend that one. The specs says it has a 150 Hz high pass on the satellites, but I measured -3 dB at 85 Hz so I'd call that an 85 Hz high pass.
    "Everything is nothing without a high sound quality." (Sure Electronics)

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    • #17
      Originally posted by ernperkins View Post

      I own and tested the amp you linked. I also own and tested the Dayton MCA2250E plate amp. IMO the MCA2250E is better in all aspects and would recommend that one. The specs says it has a 150 Hz high pass on the satellites, but I measured -3 dB at 85 Hz so I'd call that an 85 Hz high pass.
      Hi Ernperkins, I read your topic about the dayton MCA 2.1 and the satelite channels are fine to me with f3 85 Hz, but my sub is tuned to 30 hz and the MCA can't deliver that. If it can I would DEFENITELY buy it.

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      • #18
        Originally posted by Chris Roemer View Post
        Don't know what your box model looks like, but in 0.05 cf w/a 1"id x 13" long port, they'll take 28wRMS (over 95dB) down below 50Hz before breaching Xmax, AND (IPST) their Xmech is appreciably greater.
        Hi chris, I want to use it for movies so they will take a lot of bass I think. Is there any change that I can put a highpass on the nd91-8 AND a tweeter. The subwoofer sound good and the amp sound good (millstonemike helped me to modify the amplifier).

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        • #19
          The Lepai is not really hifi. No distortion figures given. I have 2 of the MCA 2.1 amps, that does give distortion figures. The power figures of these two amps are not directly comparable.

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          • #20
            Originally posted by djg View Post
            The Lepai is not really hifi. No distortion figures given. I have 2 of the MCA 2.1 amps, that does give distortion figures. The power figures of these two amps are not directly comparable.
            djg, how do you like the MCA amps? I read some reviews complaining about noise issues.

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            • #21
              For 65 dollars buy buy buy. I used two in identical 2.1 systems with a TB W8-740 sub. I did not notice noise. I did have to use deoxit on the pots as they became very scratchy, now fixed.

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              • #22
                Originally posted by Scarface1 View Post
                https://www.parts-express.com/lepai-...3118--310-4002

                if I buy this one I have a built in highpass but the rest of the amp I know nothing about. I want to give the sub 50 clean watts RMS and this amp only have 60 watt RMS. Also it will only accept a max of 22 V wich isn't 60 watt RMS
                Did you see this amp already?

                https://www.parts-express.com/tps311...e-con--320-635

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                • #23
                  Jeff, that's the type of amp I use, mine only have a volume for sub, volume for satelite and a overal volume. The amp have a -1.5db around 20 hz what starts slowly at 30 hz, so my sub don't exceed xmax. The crossover that is built in in the amp can be modified...

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