/diy/, I want to be able to plug my electric guitar into the

>>1092065
You can try a simple aop preamp. Quite easy to do, It s linear enough

>>1092065
This is a good page.
Impedance matching isn't a huge deal for audio.
http://electronics.stackexchange.com/questions/6846/how-important-is-impedance-matching-in-audio-applications

A preamp sounds like a good idea. A Mic In isn't designed to amplify a guitar and would probably be lousy at it

I used to do this but I plugged my guitar into my amp, then ran a line from my amps headphone jack into my laptops mic input. So if you have an amp already it should work. Now I just use a Tascam interface

>>1092072
>>1092074
>>1092075

Thanks for the replies so far.

I did plug my guitar straight into the mic input to test and it worked (alright sound quality but low input volume), but I was worried that it would fry my sound card.

So do I have to take the line-level output of the preamp into consideration, by lowering the output voltage?

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>>1092074
I indeed fried my motherboard line in and mic input doing this shit, even tho i did it with a gigantic 6 string chinese bass that could allegedly power a small speaker with its output level. So don't do it anon.
If you plan to build a preamp go the opamp route, i built the three most popular bjt designs and two sounded like shit, while one had a lousy beeping background noise.
With that money you could just buy a behringer premade one with four inputs tho. Whatever floats your boat anon

just get a rocksmith usb cable much better
and easier

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>>1092065
they make this thing so must be some kind of circuit needed (not a simple passive circuit)

http://www.planetz.com/building-an-idevice-guitar-interface-cable/

>>1092084
I tried this, plugging the guitar directly, with a software preamp to amplify the sound. If you're on Linux, try Guitarix.

Could try a sm2 or sm22 Beringer. Not expensive and work well

>>1092422
Not diy I know but you should use your energy doing pedals. Much more satisfying than doing a shitty preamp. Also better recording

>>1092084
>I did plug my guitar straight into the mic input to test and it worked (alright sound quality but low input volume), but I was worried that it would fry my sound card.
how in the hell would you be able to fry a soundcard with the >1 volt signal generated by a passive pickup?

>>1092065
you could buy the rocksmith cable. though the latency can be a bit bad.
not a problem if you just want to record, but if you want to use your laptop as a soundsource to play after, you're gonna have a bad time. (my biggest problem with the game itself, latency issues on several machines.

a simple preamp should fix any impedance problems.
all boss pedals are buffered, so they will fix the issue even if you have them 'bypassed'
or you could get a neutral effect, e.g. a boost pedal.