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Gear / Technical Help => Battery Boxes, Preamps, Mixers, ADCs, and Processors => Topic started by: carpa on May 15, 2013, 04:35:46 PM
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There's a question I'd like to ask to jon Stoppable or to anybody who knows.
I've been successfully using a Littlebox ( one of the first produced, no transformers) till now, coupled with a Edirol r09 hr recorder. I never had overload issues with the recorder line input recording classical piano concerts.
I'm leaning towards buying a new toy like Olympus Ls 20m just to have the possibility of taping a video. I perfectly know that a much better result could be achieved by recording separate audio and video,
but I'm too lazy and haven't enough time to deal with much post-operation.
I want to get decent audio as the main point ( it's about music!), so I'd like to use my Littlebox to send a line signal on the Olympus audio line-in, just as I do with my Edirol R09 Hr
I am a bit worried about the Olympus specs:
LINE IN
Mini jack ΓΈ 3,5 mm, impedance 39 kΩ
Input level LINE IN - 6 dBv
The audio recorder LS -14 has the same -6 level ( maybe it's better known here); the only difference is in impedance, which is indicated 10 KOhm on the LS-14 instead of 39 on the LS 20m. Don't know if it means something or not...
By the way, if I remember correct I think my Edirol recorder claims a nominal +2 in the line IN, so it seems it can take a hotter signal than Olympus.
What I'd like to know is if I'm running an actual overloading risk if I use a littlebox with Olympus LS 20m. Buying without having the possibility of a clean sound makes no sense to me.
Another question regards Littlebox powering options. It has a DIN port on the side, which can be fed with an up-to 15 v power. Is it possible to run it with an AC transformer in the wall socket or battery powering is mandatory?
thanks a lot for your help
c