On Tue, 27 Jul 2004 01:57:11 GMT, burbeck wrote:
hi
the DIN inputs on your amp are not balanced, they will be ok level
wise with the sound card. check connections
reading left to right looking from solder side of the plug,
middle pin (2) at top.
1 - R out
4 - L out
2 - ground
5 - R in
3 - L in
yes i know its odd numbering
above for the tape socket, your lead should be connected to R in, L in
and earth.
if when you have checked the wiring is correct you still have hum try
a ground loop isolation transformer a good reasonably priced unit is
maplins code VW43W http://www.maplin.co.uk/
hope this helps
regards
bob
hi sorry i did not realise that you have fancy card with balanced
outputs, they will need antenuating as well as isolating, they are at
+4 dbm way too much, i will send you circuit by email please advise if
you need help or get it working ok
regards
bob