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In Reply to: RE: Please explain bi-amp crossover to me posted by Raymond Leggs on February 21, 2017 at 14:57:12
Not sure what you're worked up about. (really)
Some speakers have two (or three) binding posts so they can be passively bi-amplified. After you remove the jumpers, you amplify each stage but depend on the internal crossover to route the signal. I have done this and it resulted (to me...and no one else because audiophilia is a lonely existence generally) in an improvement in the sound.
Active bi-amping would mean that the internal crossover is by passed by getting into the insides, cutting out the internal crossover and wiring each component directly to the available posts, or even more annoyingly, modifying the speaker so that each driver has it's own posts, then adding an external crossover and amplifying each component with an amp that's installed BEHIND the external crossover.
I have read and been told that it's one of the components of reaching audio Nirvana.
Maybe one day I will find out but at the moment I have to go listen to some music.
Follow Ups:
Biamp capable speakers were (are?) a sop to marketing.
It's Cheap and easy to add during manufacturing and this makes Speakers look more upscale than they actually are.
Remove the bits of metal connecting the bind terminals and you can run individual wires and /or Amps to the HF and LF crossovers and thereby the drivers. Helpfull IF yer amps are substandard to the power needs of the speakers
Some claim this all makes audible difference, but then Some buy penis pills too :_)
Your $$, your choice.
Active is where crossovers (either.. self powered $$ OR passive $) are placed Before amplifiers to select out frequencies so the Amps need only deliver specific frequency ranges.
Yesss this works/improves... period. Allowing full 'unmolested' Amp power delivery directly to the drivers.
However it's Dependant on the quality of the Speakers and their inbuilt crossovers, that are being bypassed.
Silk purses and sows' ears comes to mind.
Tricky to setup ..Well.. and best done when Amps are identical otherwise tonal /balance matching is a 'problem'
Edits: 02/21/17
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