Thanks for the explanations guys.
Discovered that I had the Soundcraftsmen pre-amp wired up wrong all along all of this time (no manual) :{, now have the altecs running full range with the bass boosted 12db at 60hz and crossing over the subs at 40hz sounds best. Tomorrow I will hook the Altecs up to the active crossover.
Any recommendations for a cheap/used stereo sub amp with 300 wpc rms at 8 ohms or 600 wpc bridged mono at 4 ohms? Any good cheap Altec amps? Any good cheap Crown amps (too many kinds to choose from and can't decipher any of them)?
Old Guy; Would it be a bad idea to run my Crown DC300A at full power with a 2 ohm load? I don't know or think that I can run that amp bridged mono can I? The DC300A belongs to my A7's and will eventually be married back with them someday.
Cheers.
PS: GM, I have been forcing the Altecs to put out 110db at 30feet for a couple of years now, so they must be tougher than most expect.
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