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6. Amplifiers 9. The Linear Range
It is wise before listening to your Linear Centre to make one final check of
the cables and connections. If all appears well begin listening at a relatively
low level to confirm that the system is operating as expected. Only increase
the volume if you are happy that the sound at low levels is fundamentally as
expected. If you are unhappy, turn the system off and re-check all the cables
and connections.
Linear Centre may take a little time to “run-in”, and similarly the system will
also perhaps take some time to reach normal operating temperatures. It is
unwise therefore to make rapid judgements about the performance of the
speaker. Your ears too will take some time to adjust to the new sound, so
revisiting the system set-up, speaker positioning especially, is best left for a
few days.
7. Listening
8. Specification
Type: Two and a half-way, reflex loaded, time
aligned speaker.
Bass/Mid Drivers: 2 x 130mm pressed alloy cone
with 32mm thermally bonded voice coil. Shielded
high-power long-throw magnet system.
HF Driver: Pre-coated textile dome with ferro-fluid
cooled neodymium magnet system and rear heat
sink.
Filter Network: 3rd order at 3.1kHz, 2nd order at
275Hz
Cabinet: 15mm MDF carcass with composite layer
front panel and driver de-coupling.
Frequency Response: 60Hz to 28kHz ±3dB
Frequency Range: 50Hz to 28kHz @ -6dB
Power Handling: 175W peak programme
Amplifier Compatibility: 25 - 175 Watts into 8
Ohms
Nominal Impedance: 8 Ohms
Sensitivity: 91dB for 1 Watt at 1 metre
Terminals: Gold plated bi-wire binding posts
Dimensions (H x W x D): 180 x 620 x 200mm
Weight: 10.5kg (single, unpacked)
Acoustic Energy reserves the right to modify
product specifications.
The Linear Centre is a relatively high sensitivity speaker that does not require
a generously rated power amplifier for adequate volume levels to be achieved
in an average listening room. A minimum of 25 and maximum of 175
Watts into 8 Ohms per channel is recommended. Linear Centre also offers
a relatively easy load to the amplifier and does not make unusually heavy
demands on its power delivery.
No overload protection systems are fitted to the Linear Centre so it is possible
to cause damage through over-driving. Such damage can occur whatever
the power rating of the amplifier and is not covered by any warranty. If ever
the sound at high volumes becomes distorted your Linear Centre is at risk of
damage. In such circumstances the volume must be reduced.
Linear 7 Rev C 16/8/05, 11:18 am4