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Re: Tascam US-122

Subject: Re: Tascam US-122
From: Rob Danielson <>
Date: Sat, 7 Jun 2003 14:05:52 -0500
>For extreme techinal info (a.k.a. specs) about the US-122 see this
>Specs look quite good: totally HIFI all the way, REAL 48 volts
>phantom power.
>BUT: 2.5 Watts @ 5 Volts make the current draw
>P = U x I <=> 2.5 = 5 x I <=> I = 0.5 Ampere
>How much recording can you do with that?
>Regards, Evert

Wish I had better news. Bob Cain reports the max gain for the US-122 
to be 50dB or 16 dB less than the published spec for the Sound 
Devices MP-2.  If used with a laptop and the 24 bit converter, the 
US1-22 could provide enough mic gain for louder environments but 
would be pressed to work well for ambiance in lower volume, natural 
environments. Might be acceptable for louder calls. Note the unit 
would also require a special USB "dummy" power cable for using it as 
a portable mic pre with an MD deck or similar. This would take some 
knowledge of USB, DIY skills and could become complicated. Someone 
with a laptop application might find the US-122 a good investment, 
but as a good mic pre at low cost for all around nature recording, 
sorry about the false alarm. Rob D.
Rob Danielson
Film Department
University of Wisconsin-Milwaukee


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