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View Full Version : JBL 3110 XO connection question tube amp



purejazz
11-17-2015, 08:07 AM
I have a Rca 100w tube amp powering a jbl 3110 and 3105 crossover , my issue and question is if I connect the 3110 XO not using the LF connection and connect the HF to the 3105 input and outputs of 3105 LF to jbl2440 and HF to jbl 2405 tweeter . Will not having the LF on the 3110 connected cause issues on my output transformer or the XO , any input that can shed light on this would be great , I have heard that this is a no no and may stress OP transformer , some say not a problem. If there is a almost expert or expert on the subject matter please chime in , thanks . I tried using a dummy load as a means to load the LF of the 3110 , I noticed that there is a blue light emitted from my power tubes each time the bass hits , not sure if this is overworking tubes or XO either way I removed dummy loads . Dose anyone have this configuration used long term without damage to amp or XO ??????