Members madball24 Posted December 1, 2009 Members Share Posted December 1, 2009 This is what it says for the crown xls :Features sophisticated protection circuitry (from shorted, open, or mismatched loads, input and high frequency overloads is that almost the same thing as the guardrail on the qsc gx amps? Link to comment Share on other sites More sharing options...
Members RoadRanger Posted December 1, 2009 Members Share Posted December 1, 2009 This is what it says for the crown xls :Features sophisticated protection circuitry (from shorted, open, or mismatched loads, input and high frequency overloads is that almost the same thing as the guardrail on the qsc gx amps?No, "Guardrail" is QSC's version of Peavey's DDT and is a clip limiter. The XLS lacks any clip limiting and should only be used with a DSP or some such for limiting IMNSHO. Link to comment Share on other sites More sharing options...
Members agedhorse Posted December 1, 2009 Members Share Posted December 1, 2009 This is what it says for the crown xls :Features sophisticated protection circuitry (from shorted, open, or mismatched loads, input and high frequency overloads is that almost the same thing as the guardrail on the qsc gx amps? Nope. Guardrail is a clip limiter system that also reduces the outputthreshold as amp temperature gets high. Works very well, I tested an early unit and it was excellent. Link to comment Share on other sites More sharing options...
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