77 lines
5.0 KiB
Plaintext
77 lines
5.0 KiB
Plaintext
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How to use PA systems
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By the Good Reverend Bill
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Okay, so you're tired of those amazingly hideous announcements that school administrators
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like to torture you with in the wee hours of the morning when all you want
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to do is get a nap in first period? Want to get even with them for waking you up?
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SIMPLE!!!
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The Public Address systems used my most schools are 1) CHEAP 2) UNPROTECTED
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3) FREE FOR THE TAKING!!!
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It's so amazingly easy to break in to these things, all you need to know is a little about
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how they work.
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The systems run from speaker to speaker at a line voltage of 70 VDC, (30 VDC in Europe)
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The voltage is stepped down using a line tap transformer that sits ontop of each speaker
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in the line. To build yourself an access port, all you need to do is, 1) pop the speaker
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out of the ceiling 2) reverse the transformer 3) toss a cheap audio amp into the
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ceiling 4) add a remote access device (ie, a fischer price walkie-talkie) 5) plug
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the thing into some source of power.
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That's the general overview of all of it. Now for some more detailed info.
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Select a hall speaker, that way no one will notice if it isn't functioning (which it won't after
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you modify it). Go into the building after hours with the following: 1 cheap Radio Schlach
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audio amp, try to get a PA amp if you can (steal it, card it, whatever), 1 walkman or
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tape player that has a remote jack so you can operate it from down the hall by a pushbutton
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(also sold at radio schlach, it's intended to be used as a remote control for the record
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function of the tape player, but if you just push play, it'll serve a different purpose), an AC
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cord so you can get some juice to it, and some hookup wire or something to connect
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it all.
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Now, unscrew the ceiling plate from the speaker and pull it down from the ceiling, take the
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wires off of the speaker and then set the speaker somewhere safe (resist the urge to
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steal or destroy it , you'll need it to cover your handiwork). Take the transformer from the
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speaker and connect two leads from the output on your amp to the lesser input on the transformer.
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Then, take the two wires that came from the ceiling and put them onto the higher output on
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the transformer (the one that runs out at 70 volts). Set the switches on the amp so that it
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will come on at maximum volume when juice is applied. Hook the outputs from the tape player
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into the external input on the amp. Plug the remote into the remote port (duh!). Toss all this
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into the ceiling and find some way to run an extention cord into the whole works to get power
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(you might consider wiring it directly into the AC supply on the wall but be careful that you
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aren't grounded when you do, you can work with hot wire so long as you stay insulated and
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don't touch more than 1 wire at once). Run the remote down the hall and install it in to some
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empty locker or something where it can't be seen (get creative, if they see your dropoff then
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you're fucked). Make sure that the tape player is pushed in to play and that it has power.
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Finally, put the ceiling plate and speaker back up there and make sure that everything looks
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normal. You're finished. Go out and get drunk but make sure that you aren't absent the next
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day.
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Allright, go into school and sometime after class begins, make an excuse to go to your locker
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(you have a sudden urge to piss?).
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Go to your switch, hit it, and get the hell away, maybe go back to class or something.
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Just get away from it to avoid any shit. The thing will stop when the tape stops playing (unless
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you used a REALLY cheap tape player that doesn't have an automatic stop function.
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You can modify the thing with a Fischer Price walkie-talkie so that you can make "live"
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announcements (get your friends out of class, whatever). Just keep in mind that you'll need
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to disguise your voice else take the wrath of the powers that be.
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Thanks to The Graduate who taught me all of this (Digital Terrorist, we're gonna have
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to use this stuff someday ,you know)
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And keep an eye out for Channel1.txt, which will describe methods for gaining
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access into that sadistic Channel One system which holds an audience captive
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whilst it feeds their brains with trash and prolefeed.
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ENJOY!
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THE TAKING!!!
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X-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-X
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Another file downloaded from: The NIRVANAnet(tm) Seven
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& the Temple of the Screaming Electron Taipan Enigma 510/935-5845
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Burn This Flag Zardoz 408/363-9766
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realitycheck Poindexter Fortran 510/527-1662
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Lies Unlimited Mick Freen 801/278-2699
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The New Dork Sublime Biffnix 415/864-DORK
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The Shrine Rif Raf 206/794-6674
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Planet Mirth Simon Jester 510/786-6560
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"Raw Data for Raw Nerves"
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X-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-X
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