mjgraves
Member
My background is pro audio, where bi/tri-amp is well known. It requires an active crossover, feeding separate amplifiers, such that each speaker (sub/woof/tweet) receives only it's intended frequency range.
I see quite a few consumer loudspeakers with two sets of terminals that default to being bridged. Presumably these include passive crossovers so they can be used with a single amplifier.
If the user removes the bridges, which are external to the cabinet, they can support bi-wire (IMHO, pointless except to sell more fancy speaker cables) or bi-amp operation. However, the passive filters in the cabinets must remain in place.
I think such speakers are inherently problematic. Removing the bridge separates the woofer & tweeter feeds, but does not take the passive crossover out of circuit. Each path must still be passively filtered.
This restricts what you can do with an upstream active crossover. You can't really alter the xover frequency since the passive xover will stay fixed.
Or am I missing something? Is there some way to eliminate the passive crossover in such speakers?
I see quite a few consumer loudspeakers with two sets of terminals that default to being bridged. Presumably these include passive crossovers so they can be used with a single amplifier.
If the user removes the bridges, which are external to the cabinet, they can support bi-wire (IMHO, pointless except to sell more fancy speaker cables) or bi-amp operation. However, the passive filters in the cabinets must remain in place.
I think such speakers are inherently problematic. Removing the bridge separates the woofer & tweeter feeds, but does not take the passive crossover out of circuit. Each path must still be passively filtered.
This restricts what you can do with an upstream active crossover. You can't really alter the xover frequency since the passive xover will stay fixed.
Or am I missing something? Is there some way to eliminate the passive crossover in such speakers?