Hi Charles !
I think I can try to help out you a bit.
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Does anyone here have any experience with any or all of these products? in particular the Alesis ProTrack and senoma GuitarJack?
I understand that the Alesis ProTrack is more of a recording piece of equipment but the XLR/ 1/4" inputs seem great. and now its down to $150 these days. The Senoma GuitarJack seems great but for $200 and doesnt have the features of the Protrack im not sure if its worth it
I have a ProTrack (and an iRig). In the current state of the arts, I would rather go for the ProTrack than the GuitarJack.
First it is (far) cheaper. We can now have it for 58 € in Europe
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http://www.thomann.de/fr/alesis_protrack.htm . I think it's because it is (or will) be discontinued, so it is probably for selling the stocks.
Secondly, the GuitarJack needs music apps to implement custom code for you to be able to change some of its settings. It doesn't have any physical buttons, unlike the ProTrack. And as Everyday Looper, as most apps, doesn't implement this particular code (yet), you would be unable to change the gain of the preamp for example... In my opinion that's a big problem.
Thirdly, the audio quality of the ProTrack is very good, both from the integrated mics as from the jack/XLR inputs. However I'm sure the GuitarJack is really good in that aspect too, at least based on the numbers they provide.
And they have the same flaw, they are not compatible with the iPhone 4 / iPad. That's not at all their fault, but that's the way it is.
In the future, when/if some apps (including Everyday Looper) integrate the required Sonoma code, and when/if the ProTrack goes back with its normal price, it may lead to a different conclusion.
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Forgive me if this is a silly question (im not mixer or have experience with miking) but Is it possible to plug in a guitar into the protrack and still use the inbuilt microphone to sing and record with? is it possible to plug in 2 guitars into the ProTrack?
The mics are only active when there is nothing plugged into the jack/XLR connectors. And yes, you can plug two guitars in the ProTrack, one on each channel.
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I see that the duel XLR/1/4" inputs seem just for stereo microphones but if each input had a guitar each with a preamp mute switch could you swap between instruments to create a loop?
Yes ! That's totally possible. Normally, the two channels are for left/right of course, but you can force them to be merged as mono directly on the ProTrack. So if each guitar has a mute switch, it would work exactly the way you want.
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Does anyone have any ideas in setting up a good system and walking me through what i will need to hook up the Alesis ProTrack (or similar system) to an amp? i can just wire up my output from my iphone to any standard amp?
You can plug the headphones output of your phone directly into an amp. It works well on my Peavey MicroBass. Your mileage may vary depending on the sensibility of the amp input, but I don't think you would encounter a "no-way" situation.
Have fun and tell me if something is not clear enough
!
Raphaël