Wharfedale Diamond 159 - Manual (Page 5)

Standard Connection
Choose a suitable length of twin core speaker cable for each
channel, and prepare the ends. Unscrew each terminal a few
turns.
Connect the red, positive (+) terminal of the Left loudspeaker
to the corresponding red, positive (+) amplifier terminal.
Connect the black, negative (-) terminals similarly. Tighten
the terminals securely. Repeat this procedure for the Right
channel.
Connecting the Front Loudspeakers
Bi-Wiring
Unscrew each terminal a few turns and remove the metal
straps. Connect the cables between the amplifier and the
loudspeakers as indicated above and re-tighten all the
terminals securely.
RIGHT SPEAKER LEFT SPEAKER
BI-WIRED CONNECTION
Bi-Amping
By connecting each loudspeaker drive unit to its own
dedicated amplifier the advantages of bi-wiring can be
extended.
IF you own two indentical stereo power amplifiers, your
speakers may be bi-amped. For further details please consult
your dealer.
RIGHT SPEAKER LEFT SPEAKER
RIGHT SPEAKER LEFT SPEAKER