I want to blow up my brother's speakers

I always wake up to my jerk brother blasting terrible music. He is an
evil person, and doesn't care about others. Fighting won't solve
anything. Talking won't solve anything.

I want to make a circuit and implant it in his speakers. Something
that will allow me to control the speakers (wireless transmitter?) or
just to limit the volume.

Any suggestions? Even something as cheap as soldering a resistor in
there or something to limit the gain.

Thanks!
tom

 

SQUIB + M80

 

Just disconnect the internal wire between the speaker proper and the speaker
terminals. If you do it right, you can make it look like it was a poor solder
joint to start with and just fell off. Tell your brother you figure that the
loud music caused enough vibration to knock if off.

 

Yes, but that won't mess with his head enough.

 

This is a good idea, but i don't want it to turn off right away, cause
that will only cause him to get new speakers. If it would only bring
it down to a level that he would live with and not go buy new
speakers. Or the best would be to be able to cause distortion or
change the volume by remote at will. though that may too expensive.

Thanks much for the prompt replies so far y'all.

 

Disconnect the wire and add a high-watt variable resistor, about 100
ohms, in series with the speaker. Every day, turn the resistance up a
little. After a few weeks, the sound will be almost too quiet to
hear.

For more fun, just fiddle it randomly every day.

 

Dunno. A stun gun around the speaker cables and especially the connected
equipment would do the job.

Even if it doesn't stop it, threatening he's next might do it.

If he doesn't already know how much a joule of energy hurts, he'll soon find
out...


Or if a stun gun is illegal in your part of town, I'm guessing a baseball
bat isn't. Gives a much more visual representation of your frustration. (and
it's great fun to smash stuff too).

 

Tom,
Diodes in parallel, reversed end for end, are used as clippers -
inside the box at the cabinet speaker terminals. If too quiet, add
another pair in series. If he cranks it, it will sound horrible. If he
keeps it cranked, the high frequency content of the clipped audio (the
more square the waveform, the more HF content) will burn out his
tweeters.

Does anyone remember the solution for cassette offenders? A piece
of clear tape on the tape head would keep the tape further away from
the tape head. Reduced magnetic field strength from the tape = reduced
volume.

 

Your 'ideas' are invariably STUPID.

 

I have an idea.
Ultrasonic side band audio from one side of the room aimed at his
nesting point and the carrier of that from the other side, aimed at
his nesting point.
You can't hear either one until you are in the path of both.
with that, you could sit there with a microphone to generate some
nice spooky sounds that he only can hear at that position..

Any ways. I have had for a few years now a little stereo that
inputs into a box which composes of a double balance mixer to generate
the side bands, that goes to an ultrasonic emitter. one for each
channel. And have a center radiator that composes the carrier.
I position the units so that I can listen to my stereo at my desk with
out others hearing it.

It really freaks out people when they come over to talk to me.

I've also heard something on the effect of that technology being used
for criminal acts.

 

Maybe it's time to find a new place to live, instead of resorting to
vandalism...?

Just a thought

 

100 ohms? Check your math.


--
Service to my country? Been there, Done that, and I've got my DD214 to
prove it.
Member of DAV #85.

Michael A. Terrell
Central Florida

 

Um, ok...

Day 1, set it to zero ohms. 100% of the current goes to the speaker.
0db

Day 2, turn it up to 8 ohms, 50% of the current goes to the speaker;
1/4 the power, that's down, um, 6db?

Day N, up at 100 ohms. 7.4% of the current goes to the speaker, about
0.5% of the power. -22db?

Ok, I've checked my math. Now what?

This assumes a constant signal amplitude into an otherwise 8 ohm
speaker.

 

Terrell was just being an asshole.

Graham

 

Use foam ear plugs until you move out.
D from BC

 

Just plug them into the power outlet...

 

You think that attenuation will make it inaudible?


--
Service to my country? Been there, Done that, and I've got my DD214 to
prove it.
Member of DAV #85.

Michael A. Terrell
Central Florida

 

Late at night, by candle light, "Michael A. Terrell"

Possibly not, but a lot more bearable, wich seems to be what the OP
wants.

- YD.

 

No, but it will make her brother think the radio's broken.

Besides, if you go much higher, you lose precision in the loud end.

 

You could, build a small DC power supply from the AC drive to the
speakers then use that to power a 555 timer to periodically interrupt
the connection to the speaker with a relay. Hide the whole thing in
the cabinet - or use the AC/DC to operate a relaxation type oscillator
that would only begin adding interrupting the speaker when the output
level was enough to charge the relaxation capacitor (I like that idea
better since it may condition him to using less volume).

High power amp will supply ~150 volts to the speakers so the PS would
have to work over a wide range of voltage

Relaxation oscillators can be made with unijunction transistors or
four layer diodes (virtually extinct - but can be duplicated with
jfets)

Or your circuit could incorporate a comparator to just cut the speaker
when the volume got too high and switch in a dropping resistor to
lower the volume.

Hell, you could really have a lot of fun with this!