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Old 6th June 2019, 09:54 PM   #21
Perry Babin is offline Perry Babin  United States
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Side note, with pin 2 at 5v, the IC should be working. 0v would be shutdown.
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Old 14th June 2019, 05:34 PM   #22
rdiaz is offline rdiaz  United States
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Is normal if the amp start working when I give the amp signal?
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Old 14th June 2019, 05:42 PM   #23
rdiaz is offline rdiaz  United States
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Is normal if the amp start working when I give the amp signal?
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Old 14th June 2019, 06:36 PM   #24
Perry Babin is offline Perry Babin  United States
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Some self-oscillating amps will refuse to oscillate until 'excited' (don't know the proper term) by a signal.
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Old 14th June 2019, 06:39 PM   #25
rdiaz is offline rdiaz  United States
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Audio signal.
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Old 14th June 2019, 06:45 PM   #26
Perry Babin is offline Perry Babin  United States
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#25?
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Old 14th June 2019, 06:50 PM   #27
rdiaz is offline rdiaz  United States
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What I mean is when I connect the rca jacks and turn the gain up the amp start working.
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Old 14th June 2019, 06:54 PM   #28
Perry Babin is offline Perry Babin  United States
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Even touching the RCA inputs (nothing connected to them) or moving a noisy switch can do it. It's not generally a problem because there's no reason for it to oscillate until it has signal. Now, if it requires a significant signal to start, that could be a problem.
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Old 14th June 2019, 07:06 PM   #29
rdiaz is offline rdiaz  United States
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Is exactly what is doing just touching RCA inputs start working, thank you for your help.
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