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TC-9 4-Way Loudspeaker Control

Designed to enable 4 pairs of stereo loudspeaker to be connected to a stereo power amplifier and make it possible to control them individually
or all 4 pairs together. It will select the most appropriate series or parallel configuration automatically to suit the number of speaker selected to
ensure a safe load impedance for the amplifier.


 


Features:

Switch-able between any loudspeaker combination when all 4 pairs of speakers are connected up.
Power rating 200W music power per channel.
Simple connection by springy push terminals.
Stylish strong metal cabinet.


Technical information:
TC-9 using the parallel and series switching circuit to protect the connected amplifier, regardless of which loudspeakers are switched on,
the amplifier load will not fall below half that of the loudspeakers in use. for instance, If using 8 ohm loudspeakers  the minimum load will
be 4 ohms. Nearly all amplifiers will accept a load of 4 ohms.


Following is the series & parallel switching loading chart using 8 ohms loudspeaker selected.

Speakers connect combination Load to Amplifier
Pair 1 or 2 or 3 or 4 8 Ohms
Pair 1+2 or pair 3+4 1 6 Ohms
Pair 1+3,1+4 or pair 2+3, 2+4 4 Ohms
Pair 1+2+3 or 1+2+4 5.3 Ohms
Pair 2+3+4 or 1+3+4 5.3 Ohms
All 4 pairs ON 8 Ohms
All 4 pairs OFF 100 Ohms

 

 

 

Package

Weight

Export carton

N.W

G.W

Dimension

Blister

585gm

30 pcs

18kgs

19.5kgs

2.0

 


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