Frank
137 posts
Jan 31, 2012
7:26 AM
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Has anyone ever tried this? What's the results? What adapter is needed?
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tookatooka
2674 posts
Jan 31, 2012
8:26 AM
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Haven't tried it but find your "line out" socket from computer and feed it into the "Auxillary Input" to the amp if you have one. Keep all levels low.
Maybe wait for more advice before proceeding. I would.
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earlounge
394 posts
Jan 31, 2012
9:08 AM
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I am struggling with this issue myself. The problem is running a stereo line out into a mono input. Never use a Stereo to Mono adapter! Usually they just short the two wires into one and this can damage your amp.
The only way I can do it properly is to run my computer into a mixing board stereo then output a mono line to an amp.
There are DI boxes that "sum" the stereo signal like this Whirlwind podDI
But its output is XLR not 1/4".
Maybe this thing will work?
Galaxy Audio JIB/R Jack In The Box Source Combiner
It goes out 1/4"
The only other thing I found is soldering together a passive circuit that will sum the stereo signal to mono.
Why Not Why?
I just don't know the correct OHM resistors for my computer output. Still researching.
Please let me know if you trying anything that works!
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Last Edited by on Jan 31, 2012 9:10 AM
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tookatooka
2676 posts
Jan 31, 2012
9:28 AM
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Good point Earlounge. I forgot most computer line outs are stereo.
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Frank
138 posts
Jan 31, 2012
11:21 AM
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I heard that a two channel amp will work as a way to play along with pre-recorded music. The computer with the (right adapter) being plugged in one channel of the amp and your mic in the other channel of the amp. Then you can mix the volume to match the music which makes it sound like your "in the band" when its all coming out of the same speaker.
Last Edited by on Jan 31, 2012 11:26 AM
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easyreeder
133 posts
Jan 31, 2012
12:54 PM
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@Frank:
The problem with using your amp like that is the music won't sound very good unless you're using a clean amp with broad frequency response (not exactly the typical harp amp). Better to get some good powerful, full-range computer speakers and park your harp amp between them, then play along with that.
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markdc70
104 posts
Jan 31, 2012
3:22 PM
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@earlounge: Let some of the real tech-heads chime in on this (hopefully), but I don't think connecting a stereo line-out, through a y-cord, into a mono plug, into an amp, would damage either the amp, or the computer sound card. I have a friend that does essentially the same thing with his ipod into an old table top tube amp. Never had an issue with his set up.
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Frank
141 posts
Jan 31, 2012
4:55 PM
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I think your right easyreeder, good quality speakers is a good idea!!! And until someone confirms they did the (computer to amp) with good results I'm going to hold off on tryin it...
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oldwailer
1840 posts
Jan 31, 2012
6:54 PM
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I just go from the computer earphone jack to a mixer input--and output mono to the amp--works great. This set-up is great for also plugging a mic into another slot in the mixer and jamming to a recording while recording it into a DAW like Audacity (I use Reaper). Of course, you have to use headphones from the mixer instead of the amp for that.
Small mixers--like two or three inputs can be had for under 100 bucks--one of the most valuable items in my arsenal. Make sure you the one you buy has a hi and lo Z jack--combos are best--and make sure it does handle stereo and is able to output mono.
I tried the computer direct to amp once and it didn't hurt anything--just didn't work. . .
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Oldwailer's Web Site
Always be yourself--unless you suck. . .
-Joss Whedon
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upstate
51 posts
Jan 31, 2012
8:43 PM
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a year ago i got a usb cable with 1/4 inch jack called a lightsnake went from my vibro champ xd line out into my laptop and recorded on the sony sonic stage http://www.youtube.com/user/blakesnake1000?feature=mhee it sounded good i didnt have the amp up too loud though
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bonedog569
453 posts
Jan 31, 2012
9:52 PM
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Do you have and audio interface for recording? If so that will have line outs - sometimes selectable or configurable with the sofware driver.
You could run out of one of those outputs to your amp - with proper cables and adapters of course.
Do a search on "re-amping". there is a lot of specific hardware for running pro-tools type computer multitrack takes back out to an amp.
The original take may have been recorded with a direct box into the computer DAW clean, - then sent out to an amp afterward .
This type of hardware will likely get the best sound as impedence matches etc. will be right for the purpose. You still need to go out from your computer to the box though.
If you only have a laptop with a headphone jack you can use that as oldwailer suggests. Just get your mono / stereo / pan setting right so you get the full signal you want to the amp.
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didjcripey
186 posts
Feb 01, 2012
1:04 AM
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I use a stereo to mono adapter all the time to both solid state and tube amps with no problems, either from an ipod or my laptop headphone socket straight into the 1/4" input jack of the amps.
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Lucky Lester
Last Edited by on Feb 01, 2012 1:05 AM
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Frank
143 posts
Feb 01, 2012
3:25 AM
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Thank you all gentlemen for cluing me in to how to to this:)
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Diggsblues
1165 posts
Feb 01, 2012
1:41 PM
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If it's a Mac they have a stereo mini plug out and you can get a chord with splitter to send it any place you want.
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Emile "Diggs" D'Amico a Legend In His Own Mind
How you doin'
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