'POP' sound of Crown amplifier

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Article #3448

#3448

From: Jimmy CHAN
Date: Thu, 17 Jul 1997 00:00

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We have just purchased one CROWN Macrotech MA-600 and one MA-1200 for 
our JBL 4982 speakers in our church.  We got an annoying "POP" sound 
when we turned on or off the AC power of MA600 which is used for driving
the high frequency of the speakers and the MA1200 is used for driving
the woofer of the speakers.  We have pulled down all the fader for the
mixer already and power of mixer kept on when we turned off the power
amplifier.

The pop sound comes from the MA600 only.

Is it normal?  Will it hurt the speakers? Any method to kill the POP
sound. 

Both amplifiers are brand new.

The technical staff of CROWN replied that it it normal and there is no
relay for the output of the power amplifier.

Is there somebody who can give some advice.

Thanks.
Jimmy C.

Please email to ultra@wlink.net

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From: Jimmy CHAN <ultra@wlink.net>
Subject: 'POP' sound of Crown amplifier
Date: 1997/07/17
Message-ID: <33CD1A88.1610@wlink.net>
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