BASS TUNING
Floor-standing loudspeakers with a sealed mass-loading cavity in the base of the cabinet
can be loaded with either dry sand or lead shot. This cavity is accessed by removing the
rubber bung from the small hole in the rear of the enclosure; the loading material can
then be carefully inserted. The increase in mass and improved stability will further enhance
the bass definition and overall dynamic performance.
Many Tannoy loudspeakers are also provided with a foam port damper bung inside the
port tube located on the front or rear panel of the cabinet. The speakers have been
designed for use in rooms with average to good acoustics without these dampers fitted,
so please take them out before use.
In smaller rooms, where loudspeaker positioning is forced closer to rear or side walls, the
port damper can be inserted into the reflex port. This will reduce the bass energy but
'speed-up' the sound presentation. There is no absolute right or wrong here, therefore
much will depend on your own musical preferences.
POSITIONING
Begin by angling the speakers towards your chosen listening position, usually this is on
the centre line of the room, so that when seated you can just see the inner side panel of
each speaker.
The front of the loudspeaker should not be obstructed in any way.
The loudspeakers should be located between 1.5 to 4.5 metres (5ft to 15ft) apart - with
the listening position set slightly further away than the speakers are apart.
Avoid positioning the loudspeakers in corners of the room, as this will have a negative
effect on performance; maintain a distance of at least 0.5 metres (20 inches) from the
rear wall, and 1 metre (39 inches) from the side.
(See figure 3)
BI-WIRING
Where the facility to bi-wire your loudspeakers is provided we would strongly recommend
that you install your system using this wiring option. With this method you will require
separate cable feeds from your amplifier to the HF and LF units of each loudspeaker.
Generally this will result in a significant improvement in resolution, transparency, stereo
focus and instrument separation.
Use a high quality bi-wire cable to connect the speakers to the amplifier. It is recommended
that the same cable length and type be used for both bass and treble.
It is essential that the coupling links between the loudspeaker terminals be removed.
Avoid potential damage to your amplifier - ensure that all connections are secure and the
polarity is correct in all wiring.
(See figure 4)
* Be sure that the amplifier is switched OFF and then prepare the two sets of cabling for
each 'side' of the system separately. Measure and cut four lengths of cable, two per
speaker.Label two of the cable lengths Left LF and Left HF (low frequency and high
frequency) then repeat this process for the right pair.
* Undo the speaker terminals and remove the link bar - retain these in a safe place for
future use.
* If your amplifier is not equipped with separate output terminals for bass and treble
information then, at the amplifier end of the cables, twist the Left LF+ (positive) and the
Left HF+ (positive) together. Connect these to the amplifier Left channel positive terminal
(plus) or coloured red.
Twist the Left LF- (negative) and the HF- (negative) cables together and connect them to
the amplifier Left channel negative terminal marked - (minus) or coloured black.
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