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Chip Amps Amplifiers based on integrated circuits

freq. responce help on mini amp
freq. responce help on mini amp
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Old 2nd July 2005, 11:55 AM   #11
ThSpeakerDude88 is offline ThSpeakerDude88  United States
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alright, let me set it up and check it out and I'll get back with ya on the results. Thanks!
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Old 2nd July 2005, 11:57 AM   #12
ThSpeakerDude88 is offline ThSpeakerDude88  United States
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hahaha woot.. I just found out my caps are 16 volt! No wonder, they probably can't take that surge very well can they?
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Old 2nd July 2005, 12:13 PM   #13
jaudio is offline jaudio
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Quote:
Originally posted by ThSpeakerDude88
hahaha woot.. I just found out my caps are 16 volt!


Which caps?
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Old 2nd July 2005, 07:38 PM   #14
ThSpeakerDude88 is offline ThSpeakerDude88  United States
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haha, the output caps. I tried the 4700 uf caps temporaily, much better bass, although not as much bass as my fisher has, but then again it has a 62 hz - 16 khz 5 band EQ on it, So I think my amp is flat now. I'm gonna wire these caps up , I think I'll be fine for now with 25 volt,at least untill I upgrade the power supply, don't you think?
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Old 2nd July 2005, 08:25 PM   #15
jaudio is offline jaudio
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You won't get close to 25volt on the output. It should be ok in the short term but I would change the out caps asp. Incease the supply cap to over 2000uf.
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Old 2nd July 2005, 08:49 PM   #16
ThSpeakerDude88 is offline ThSpeakerDude88  United States
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ok.. what will that do besides filter noise and have a lower pop on startup? the amp is dead silent btw, i mean dead silent, with or without signal. And the power on pop is a silent click barely heard over the sound of the click of the switch on the pot.
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Old 2nd July 2005, 10:09 PM   #17
jaudio is offline jaudio
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It allow a little more short term power and will help the bass. If youre satisfied with the way that it is now,leave it alone.
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Old 2nd July 2005, 10:30 PM   #18
ThSpeakerDude88 is offline ThSpeakerDude88  United States
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oh ok, thanks! hey, can I use 2 1000 uf 35 v caps in series for now for test purposes to see if it helps? wont that give me 2000 uf?
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Old 2nd July 2005, 11:29 PM   #19
jaudio is offline jaudio
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Not in series but in parallel.
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Old 2nd July 2005, 11:34 PM   #20
ThSpeakerDude88 is offline ThSpeakerDude88  United States
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ooo ok , that makes it simpler, I dont have to unsolder the other cap

so does that mean series devides it in half instead of adding it?
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