Tannoy TURNBURRY 85 LE, Owner'S Manual

Page: 8 / 16

8
Connection in single wire mode
(See fig. 2)
Connect the pair of link cables supplied in the accessory kit to each loudspeaker terminal panel as shown in the diagram. Ensure that
the tightening knob grips the side entry cable terminations firmly. For optimum performance in single wire mode, loudspeaker cable
connections from the amplifier should be made to the high frequency (HF) terminals of the loudspeaker:
• The positive (plus) terminal on the amplifier left channel ( or coloured red) must be connected to the positive
HF terminal on the left speaker.
• The negative (minus) terminal on the amplifier left channel (marked - or coloured black) must be connected to the
negative HF terminal on the left speaker.
• Repeat this connection process for the right speaker.
Switch on the amplifier, select a signal source and slowly turn up the volume control to check that both loudspeakers are reproducing
bass and treble information.
Connection in Bi-Wire mode
(See fig. 3)
Please note that the link wires supplied in the accessories pack must NOT be used.
It is preferable to use specialist Bi-Wire cable as opposed to two lengths of separate cable- please consult your dealer for specialist
advice. By separating bass and treble information within the cable, interaction between the two is reduced, leading to better
performance. Connect according to the diagram, carefully observing polarity as with single wire connection, and check for proper
operation.
Connection for Bi-Amp operation
(See fig.4)
To avoid amplifier damage, note that the link wires supplied in the accessories pack should NOT be used.
Bi-Amping extends the principle of Bi-Wiring one stage further. In this connection option, separate power amplifiers are used for bass
and treble signals in each loudspeaker. Four mono (or two stereo) amplifiers of the same type are required. If two stereo amplifiers are
used, it is recommended that one amplifier supply bass information to left and right loudspeakers and the other treble information.
Each amplifier sees an electrically easier load, and any risk of intermodulation distortion between bass and treble signals is eliminated,
leading to potentially better performance.
Connect according to the diagram, carefully observing polarity as with single wire connection, and check for proper operation.
Grille removal
Special acoustically transparent cloth is used in the grilles. However, for ultimate fidelity the enthusiast will find it is best to use these
loudspeakers with their grilles removed during listening.
The front grille is removable for access to the front panel controls. Insert the key provided into the lock at the bottom of the main grille
assembly and turn anti-clockwise to release. Pull the bottom of the grille away from the cabinet; the grille will drop down from its upper
location. Take care not to damage the solid walnut lower part of the cabinet. To replace the grille engage the top of the grille into the slot
in the cabinet and push the grille into the recess. Apply slight pressure to the bottom whilst turning the key clockwise to engage the lock.