4 OPERATIONUSER MANUALVORTEX 6, 4, 2.6 and 200VP.174.1.2 Gain SelectorThis switch on the rear of the VORTEX allows the maximum amplificationattainable to be set directly in the input stage.The VORTEX amplifi er has a 26 dB and 32 dBvoltage gain setting along with a 1,4 V sensitivitysetting.4.1.3 Gain and Input SensitivityThe table shows input sensitivity per channel for a given gain and load. It alsoshows the gain for the 1,4 V input sensitivity.Model 26 dB 32 dB 1,4 VVORTEX 200V 3200 W @ 4 Ω1900 W @ 8 Ω1000 W @ 16 Ω5,676,186,342,843,103,18 39,0 dBVORTEX 6 3000 W @ 2 Ω2100 W @ 4 Ω1200 W @ 8 Ω3,884,594,911,952,302,46 37,5 dBVORTEX 4 2000 W @ 2 Ω1500 W @ 4 Ω920 W @ 8 Ω3,173,884,301,591,952,15 35,3 dBVORTEX 2.6 1300 W @ 2 Ω750 W @ 4 Ω450 W @ 8 Ω2,562,753,011,281,381,51 32,0 dB4.1.4 Limiter SwitchThis switch is located at the rear of VORTEX. It allows you to set the mode ofthe limiter. There are three modes (See 4.3.1 Clip Limiter and 4.3.4 Speaker ProtectLimiter):Right position:Clip Limiter: OnSpeaker Protect: OnMiddle position:Clip Limiter: OffSpeaker Protect: OnLeft position:Clip Limiter: OffSpeaker Protect: Off4.2 Indicators4.2.1 On LEDs (multifunctional)Under normal operation, after the amp has started, the green On LEDs are per-manently lit. A variety of different sequences of flashing LEDs are used to indi-cate other operating states and errors in the relevant channels of the poweramp. (See 6.1 Flashing sequences for On LEDs)