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Re: What may be the cause of a Quad 988 cutting out?

Posted by kentaja@yahoo.com (M) on April 28, 2007 at 21:46:50

In Reply to: What may be the cause of a Quad 988 cutting out? posted by 22L on April 28, 2007 at 16:35:09:

Gary has given a good description of what has occurred to the speaker. The ionization detector will engage the protection circuit when charge migration between the diaphgraghm and stator plate occurs. The protection circuit was doing its job. In addition to the ionization detector, the speaker has a zener clamp protection circuit to preven any stator-to-stator over voltage conditions or arcing.

There should be no damage to the speaker. For pop/rock type music about 95-98dB is about all it will do. This varies from speaker-to-speaker and will be largely dependent on the bass content of the music.

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