Music Visualizer (oscilloscope)

Step 3 Putting in the Music

The visualizer is basically another speaker for whatever amplification your using you may not want to use your most expensive amplifier
an average stereo or a guitar amplifier should do nicely or an amplifier from some computer
speakers.

*theres no polarity for this either
put the coil in series with a speaker on your system if the volume has to be way up to get the line to move decently put the coil in Parallel with the speaker

Comments

[BrentFrench]

Great tutorial! I want to run a mic into the vertical coil, then place the mic in front of a guitar amplifier. Can I just split a regular mic cable and attach it to the coil, or would I need some other kind of cable?

[The 4th Doctor]

A microphone would need to be amplified by some way, splitting the signal is fine.

its basically like having another speaker

[kates6776]

Hey, how exactly do I hook up an amplifier? It works, but it's really hard to see unless the music is loud, so it'd be nice to amp it up.

[The 4th Doctor]

well you can use any available second amplifier just make sure its nothing too valuable. split the input before the two amplifiers, use one for sound and one for the visual. or you could use the left/right balance of a stereo to make one channel with the visual louder then the other channel with the audio. any way that works.

[kates6776]

cool, thanks!

and thanks f making this instructable, it's such a fun project. :)

[brrryan]

Would this work with a Commodore 64 monitor?

[The 4th Doctor]

it might, something has to make it display a screen though

[RyshusMojo]

is there any loss of signal when configured this way?

[RyshusMojo]

what i mean to ask is there any loss of audio signal that is being put thru it?

[shenkmeister]

OK. I know virtuallity nothing about, well, electricty in general. What is the easiest way to take the music that would be coming out of the speakers of my guitar amp, and connect it to the television in a way that would allow me to play my guitar, and see it on the the screen. Please reply, this oscilloscope idea looks really neat.

[The 4th Doctor]

just take off the back panal and slide one of the wires off of the speaker and attach one of the coil wires to it, then attach the other wire from the coil back to the speaker. and if you try that and the line dosent move much attach both of the coil wires to the speaker wires (parallel instead of series). polarity dosent matter btw

[team_nes_1986]

Sweet amplifier! What brand is it?

[The 4th Doctor]

kenwood kr-7070 got it from my uncle its quite loud but not the clearest amp pretty good though

[team_nes_1986]

Just wondered, because the way the interface looks kind of reminds me of my dad's Pioneer SX-737 receiver. Our receiver from 1974 owns pretty much every stereo system on our block. That's a fact. It's powerful enough to where it could throw me into the next room, or possibly into my neighbor's backyard. Okay, that's exaggerated, but you get my point, right?