Some vinyl triggering sub to crackle


I have a Clearaudio Innovation Compact going through AR PH7 stage then AR 5SE. My REL Gibraltar sub is connected to a PASS Lab XA200 monobloc then Dynaudio Confidence C4s. Some lps keep triggering my sub to crackle and the front facing driver quivers in and out. Im concerned this would ruin my sub so i sadly just turn it off on some of the records i treasure! Ive turned the REL crossover down to 25 hz and this solves it for some tracks. However other tracks no change in crossover freq helps. Any tips would be greatly appreciated as i believe the sub just completes the sound. 
chenglo1

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