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In Reply to: RE: So can you explain how you were connecting 2 amps to the Maggies, then? nt posted by andyr on August 09, 2010 at 20:54:18
The bass amp (Adcom) was connected to the external crossover input and then from the bass output to bass section of speaker.
MR/tweeter amp (Threshold) was connected directly to speaker's MR/tweeter section. The midrange fuse blew because there was no low pass filter for the midrange. The ribbon was protected by its low pass filter. The Threshold either has DC to something frequency response or it may be 7 hz to 100k as I thought but is unstable during warm up and passes DC at that time.
I'm not sure whether the XO-1 provides any low pass filtering for the MR. If it does, it would solve the problem.
I do understand that active bi-amping is more efficient and why since the signal goes to the amp after the crossover.
Would an active crossover provide a low pass filter for the MR? If so that would be a better solution.
Randy
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