"db" wrote in message
...
1. Is the CD player mains cable correctly polarised?
Some equipment has a 2 pin 6a continental connector adapted by a
pseudo-13a
plug-top. If so try turning the 2 pin connector round.
2. Are the screens on the CD player interconnects intact?
Good luck.
JB
Screens don't come into it - it works correctly on one input but not on
another supposedly identically rated input.
Mains polarised? AC? Come on...............
I thought long and hard about this one - well a couple of minutes anyway -
but I can't remember which way round it was now. If the hum is on the tape
input there is just a possibility that the amp has some odd earthing
arrangement to avoid hum on the basis that there will be two cables linking
the tape machine to the amp, and there is only an earth at the amp end on
the signal to the tape. Equally there may be too many earths.
One idea that came to me if either the amp or the CD have a DIN connector -
unlikely in most cases. The hum could occur if there is a short between the
cable screen earth (pin 2 at 12 o'clock) and the plug body. Some amps using
DIN don't have the same earth at these two points, or don't earth the body,
which could lead to extraneous pickup.
--
Woody
QUAD 44 CD/Aux Vs Tape & hum
Hybrid Mode
