Subject: | Re: Olympus LS-14 initial thoughts |
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From: | "Raimund" animalsounds |
Date: | Sat Jan 5, 2013 2:11 pm ((PST)) |
> Do you have any references on transformer-based mic preamps that provide = an EIN better than -130 dBu(A) at 150 ohm termination (this is what can be = accomplished today with transformer-less designs)? I just found the specifications of the discontinued transformer-based SQN-4= S mixer: http://www.sqn.co.uk/old/n4s/SQN4S.html#spec "Noise Figure -130dBu (A weighted) from a 200 Ohm source" This is exactly the same noise specification as in the new transformer-less= model SQN-5S: http://www.sqn.co.uk/5Sspec.html Regards, Raimund |
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