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Old 23rd March 2020, 04:47 PM   #1
ian33 is offline ian33
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Default clone amp

how can one make this amp get out of protect faster?
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Old 23rd March 2020, 04:48 PM   #2
Perry Babin is offline Perry Babin  United States
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Faster?
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Old 23rd March 2020, 05:19 PM   #3
ian33 is offline ian33
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Yes it takes longer than expected to get out of protect. I think somthing in the delay circuit is out of tolerance a bit.
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Old 23rd March 2020, 05:29 PM   #4
Perry Babin is offline Perry Babin  United States
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Are you referring to the initial mute delay?

If so, the timing is controlled by the LM393 near the 3525. The resistor that charges the cap may be out of tolerance or the cap may be leaky. The rc are often R315 and C313.
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Old 23rd March 2020, 06:07 PM   #5
ian33 is offline ian33
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Yes the mute delay

marking on that board is different .The resistor is directly connected to the 393?
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Old 23rd March 2020, 06:32 PM   #6
Perry Babin is offline Perry Babin  United States
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http://www.bcae1.com/temp/KX1-5500D_sch.pdf
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Old 24th March 2020, 12:49 AM   #7
ian33 is offline ian33
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I had to decrease the value of the resistor to shorten the delay time.
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