Products Audio series Speaker control series- - - - TC-5 4-Way Loudspeaker Control TC-5 is a 4 way speaker switch control designed to enable 4 pairs of stereo loudspeaker to be connectedto a Hi-Fi power amplifier and make it possible to control them individually or all 4 pairs together. It will selectthe most appropriate series or parallel configuration automatically to suit the number of speaker selected toensure a safe load impedance for the amplifierFeatures:Switch-able between any loudspeaker combination when all 4 pairs of speakers are connected up.Power rating 200W music power per channel.Quickness and quick connection by screw terminals.Stylish strong metal cabinet. Technical informations:TC-5 using the parallel and series switching circuit to protect the connected amplifier, regardless of whichloudspeakers 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 accepta load of 4 ohms.Following is the series & parallel switching loading chart using 8 ohms loudspeaker speaker selected Speakers connect combinationLoad to AmplifierPair 1 or 2 or 3 or 4 8 OhmsPair 2+3 or pair 2+4 1 6 OhmsPair 2+3 or pair 2+4 4 OhmsPair 1+2+3 or 1+2+4 5.3 OhmsPair 2+3+4 or 1+3+4 5.3 OhmsAll 4 pairs ON 8 OhmsAll 4 pairs OFF 100 Ohms PackingWeightExport cartonN.WG.WDimensionBlister+Card580gm30 pcs18kgs19.5kgs2.0 Please write down your comment on this product, and click Add to Inquiry List for inquiry Add to Inquiry List Review Inquiry List Back