Matthew, I know you mean well Buddy. But yet again, your suggestion is incorrect. And here's why.
If you want to re-amp something, which generally would be a guitar, off of a already recorded guitar track, from the already line level output digital to analog computer USB, FireWire are even an crappy $12 soundcard and a bargain computer, it is still outputting a high level line output, balanced or unbalanced. And yes, we've all used direct boxes (generally a transformer unit) you indicated you would run the transformer DI box backwards. Yup, that much is correct. Here's where this does not work properly. Let's say you're computer audio interface, digital mixer has a 3 pin XLR connector.. You are indicating that he should take that XLR output and back feed a transformer DI box. So you would be going into a DI box XLR connector which would also require a XLR female-female adapter. Then you would take that normally a high impedance 1/4 inch input and utilize that 1/4 inch input as your 1/4 inch output. Great in theory but certainly not in practice. That's because you would be going from the smaller winding of the XLR side of the DI to the higher winding ratio 1/4 inch size. And because the internal transformer is generally a winding ratio of 10:1, it actually lowers the gain. But if you run it backwards for his requested application, you would be running into the low impedance input of the XLR DI box. And when it comes out of that 1/4 inch connector it will be 10 DB higher in level than the high-level it already started with. So if the nominal output level of your digital to analog side of the converter is +4 DB/DBm, your nominal output level would then be +14. And that's not a level that any guitar amplifier input wants to see. That's overblown, over the top, the totally, 100%, wrong way to do it. So while you are making yourself clear enough you are clearly wrong. 100% wrong. Simply terribly bad misinformation, wrong. You are a lovely and highly accomplished video professional that's quite impressive but you do not know a damn thing about audio. We can't all know everything about everything it's not possible. I've run up against plenty of you video guys that because they know how to move a volume control they think they know how to do audio and they don't. 99% of those video people are incompetent with audio. And for me, I wouldn't know a crushed black if I tripped over him. In a live television musical variety show, when we finish it, we all gathered around the reference monitor in the control room. The director, producer, technical director for all commenting on the crushed blacks. I couldn't figure out why they were saying that because all of them in the audience and on stage all looked perfectly fine to me and not under any physical duress.
I'm certainly not here to insult you. But dammit man, you are another video guy who thinks he knows something about audio. And you don't, You may have actually, probably gotten it right on numerous occasions. But that does not make one a competent audio engineer. You are just too ill-informed when it comes to anything audio. You may enjoy it, you may have fun with it, you might record some rock 'n roll bands, church choirs, schoolchildren choral & band events and people liked your work. That's just called dumb luck. And then you think you start knowing something about audio. But audio is actually a cross between voodoo & Stephen Hawking. Between toddlers & astronauts. Between those who have PhD's and others who are as dumb as dirt. I myself am a jack of all trades and a Master of one. And I Am a master of my trade both in my knowledge and my vast experience. And am I making this clear enough for you?
No animals were harmed in this fiery post
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