Re: unbalanced inputs to the 722

["Andrew Skeoch" listening_earth]

Hi Derek,

This may or may not relate to a specific problem I've noticed with my
Message: 722. 
Subject: I have tried a Sony single-point stereo mic, an ECM959 with
Message: 6.
Subject: 5mm jacks, and found plugging it directly into the 722 (no phantom,
and using a pair of 6.5 to XLR converters) results in a significant
grainy hiss. Using a mic preamp (6.5 to XLR converts on pre input,
XLRs pre to 722) eliminates the hiss and the mic then has a smooth,
fine-grain noise floor. I wonder whether this additional grainy hiss
is a result of either a high impedance mic or unbalanced input?

All the best,

Andrew




Listening Earth P/L
Andrew Skeoch and Sarah Koschak
Nature Sound Recordings


www.listeningearth.com.au

Tel: 61 3 5476 2609
P.O. Box 188
Castlemaine
Victoria  3450
Australia