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Blasphemy, I know....

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  • #1

    Blasphemy, I know....

    .... But I'm seriously considering some sort of a "speaker-protection" circuit.

    I leave for college in 1 month. I'll be taking my little Hi-Vi 2-ways with me, they are a 5.25" mid, with a SD1.1 in .25 cubic feet, tuned to 67hz.

    I'll also be taking my R9, which is a "Panzer Tank" of an integrated amp. It's been in my family for 25 years, and has never failed..

    But I'm worried about my roommate killing the Hi-Vis while I'm not around...

    So what are my choices?

    I guess I could fuse the outputs of the R9....

    I wont be taking my Tubes (for fear of the rommie, they run at 300V)

    And I was going to buy a Nelson Pass designed PA5, but decided that 100w in Class A would make the room just a tad bit uncomfortable... :rolleyes:
    I'm just that guy. www.sru.edu Rock Solid.

    "It has been remarked that if one selects his own components, builds his own enclosure, and is convinced he has made a wise choice of design, then his own loudspeaker sounds better to him than does anyone else's loudspeaker. In this case, the frequency response of the loudspeaker seems to play only a minor part in forming a person's opinion."

    L.L. Beranek, Acoustics (McGraw-Hill, New York, 1954), p.208.
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  • #2
    Re: Blasphemy, I know....

    FUSE THE speakers or bring a different amp.

    Comment

    • #3
      Re: Blasphemy, I know....

      Pop the mains fuse out of the integrated amp when you leave. Even with a small amp you can do damage to speakers.
      "I have not failed. I've just found 10,000 ways that won't work." Thomas A. Edison

      Comment

      • #4
        Re: Blasphemy, I know....

        Blasphemy is better than sorrow. maybe.

        And depending on the speaker, a small amp driven into distortion can be worse than a powerful amp pushing a clean signal.

        Agree on the heat output of a class A amp. I have two nelson pass A40 mono amps and I can really only use them in the winter. Each amp dissipates about 100 watts, regardless of how loud you have them. They are 100% all the time.

        Combine that with my G5 tower and you don't need a furnace!

        Comment

        • #5
          How do they sound!!!????

          I leave for college in 1 month. I'll be taking my little Hi-Vi 2-ways with me, they are a 5.25" mid, with a SD1.1 in .25 cubic feet, tuned to 67hz.


          I've been waiting to see/hear what you thought of them!:eek:

          On the subject-
          Pop-in some 1A slow-blows in the positive leads. This will help that problem. I agree about removing the amp's fuse when gone, but it'll become a hassle. You could always rig up a relay to flip a hidden switch to crank 'em up.
          Later,
          Wolf
          "Wolf, you shall now be known as "King of the Zip ties." -Pete00t
          "Wolf and speakers equivalent to Picasso and 'Blue'" -dantheman
          "He is a true ambassador for this forum and speaker DIY in general." -Ed Froste
          "We're all in this together, so keep your stick on the ice!" - Red Green aka Steve Smith

          *InDIYana event website*

          Photobucket pages:
          https://app.photobucket.com/u/wolf_teeth_speaker

          My blog/writeups/thoughts here at PE:
          http://techtalk.parts-express.com/blog.php?u=4102

          Comment

          • #6
            Re: How do they sound!!!????

            Originally posted by Wolf View Post
            I leave for college in 1 month. I'll be taking my little Hi-Vi 2-ways with me, they are a 5.25" mid, with a SD1.1 in .25 cubic feet, tuned to 67hz.


            I've been waiting to see/hear what you thought of them!:eek:

            On the subject-
            Pop-in some 1A slow-blows in the positive leads. This will help that problem. I agree about removing the amp's fuse when gone, but it'll become a hassle. You could always rig up a relay to flip a hidden switch to crank 'em up.
            Later,
            Wolf
            They sound good, amazing what one can do with just 2.5mm of Xmax..

            More later
            I'm just that guy. www.sru.edu Rock Solid.

            "It has been remarked that if one selects his own components, builds his own enclosure, and is convinced he has made a wise choice of design, then his own loudspeaker sounds better to him than does anyone else's loudspeaker. In this case, the frequency response of the loudspeaker seems to play only a minor part in forming a person's opinion."

            L.L. Beranek, Acoustics (McGraw-Hill, New York, 1954), p.208.

            Comment

            • #7
              Re: Blasphemy, I know....

              I'd wait until you meet your roomie. You never know. He might NOT be a total dingus.

              Comment

              • #8
                Re: Blasphemy, I know....

                Originally posted by Dirk View Post
                I'd wait until you meet your roomie. You never know. He might NOT be a total dingus.
                He's a psych major.... so I'm preparing for the worst lol

                Nick
                I'm just that guy. www.sru.edu Rock Solid.

                "It has been remarked that if one selects his own components, builds his own enclosure, and is convinced he has made a wise choice of design, then his own loudspeaker sounds better to him than does anyone else's loudspeaker. In this case, the frequency response of the loudspeaker seems to play only a minor part in forming a person's opinion."

                L.L. Beranek, Acoustics (McGraw-Hill, New York, 1954), p.208.

                Comment

                • #9
                  Re: Blasphemy, I know....

                  Originally posted by nick29498141 View Post

                  I guess I could fuse the outputs of the R9....
                  If I am not mistaken, a pair simple 1157 auto bulbs may solve your dilemma. My Norman Labs has these as power limiting sinks.

                  They also had transparent woofers.. I have on one occasion seen a glow from the cabinets.. could have been the beer... :p

                  Comment

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