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dbALE
02-01-2008, 11:28 AM
Floating around inside speaker cabs are these boxes. They are between crossover and woofer. Speakers are 848A from 1966.

Altec Lansing
100A Bass Energizer
16 ohm
Extreme low pass filter

Any info... spec sheets ?

Not an altec nubie but have never seen these.
What are they doing... and should they go or stay

Bryan

Don C
02-02-2008, 12:15 PM
I have never tested one, but apparently it it attenuates the midrange and upper bass frequencies, giving the impression of more bass.

dbALE
02-02-2008, 01:19 PM
Don thanks
That's it.

I will A/B in + out tomorrow but I think I'll remove and listen for awhile
then decide .
Sounds ok at very low volume but maybe doing harm at high levels I will check .