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BI-WIRING AND BI-AMPING (ONLY SIGNATURE CENTER PRO)
Bi-wiring means using separate cables to carry the high and low audio frequencies. Bi-amping takes this
idea one step further and uses separate power amplifiers as well as separate cables for high and low
frequencies. Bi-amping in particular produces an additional improvement in sound reproduction quality.
The SIGNATURE CENTER PRO is equipped with special connection terminals for conventional, bi-wiring
and bi-amping operation. There are four screw terminals on each speaker. The top pair are for the
tweeter (high frequencies), the lower pair for the woofer (low frequencies). The factory-installed metal
strips connecting the positive and negative terminals are for conventional 2-wire connection and must
be removed for bi-wiring and bi-amping operation. The pictures below show the correct set-up for
conventional operation (Fig. 3a), bi-wiring (Fig. 3b) and bi-amping (Fig. 3c).
HOW TO AVOID DAMAGE TO YOUR VALUABLE SPEAKERS
All MAGNAT loudspeakers are designed and built for optimum sound reproduction with the tone controls
in the central position – i.e. with "linear" amplifier output. Turning up the bass and treble controls too far
delivers more power to the woofers and/or tweeters, and at high volumes this can actually destroy the
speaker units!
If the output of your amplifier is significantly higher than the rated power handling capacity of your
speakers extremely high volumes can physically destroy your speakers. This doesn't actually happen
often but you should be aware that it is possible.
Weak amplifiers with low output ratings can actually be more dangerous for your speakers at medium
volumes because weak amplifiers may overload much faster than powerful ones and this causes
measurable and audible distortion, which is extremely dangerous to your loudspeakers.
Always turn the volume down immediately as soon as you hear distortion! If you like listening to loud music
make sure that your amplifier can deliver at least as much power as the speakers' power-handling rating.
THE SOUND YOU CAN'T HEAR...
Amplifiers, tuners and CD players can all produce inaudible high-frequency signals – and this doesn't
only apply to cheap products. If your tweeters fail at low or medium volumes you should have a qualified
technician check your system components for dangerous inaudible signals.
MAINTENANCE
The surface is best cleaned with a mild household cleaner. On no account use furniture polish or similar
products.
SPECIFICATIONS
Configuration:
Power-handling capacity:
Impedance:
Frequency response:
Recommended amplifier output:
Efficiency (2.8V / 1m):
Subject to technical change.
SIGNATURE CENTER PRO
3 way, bass reflex
120 / 190 W
4 – 8 ohms
32 – 54 000 Hz
> 20 W
91 dB
7
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