Technics SB-R1-E Owner's Manual page 13

∫ Bi-wiring connection
≥ The short wires (supplied) are not used for bi-wiring connection.
e.g.,
SE-R1
Speaker (left)
Speaker (right)
≥ Do not move the speaker while the speaker cables are connected. This may cause a short circuit.
≥ When the connections are completed, pull the speaker cables lightly to check that they are connected firmly.
≥ Wire the polarity (+/-) of the terminals correctly. Not doing so may adversely affect stereo effects or cause malfunction.
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