All Questions
Tagged with electrolytic-capacitor audio
7
questions
0
votes
2
answers
88
views
Need some help with electrolytic capacitors
I am restoring an old 1960s Sanyo reel to reel tape recorder, replacing most bad electrolytic capacitors.
On the preamplifier there are ten Rubycon 6.3V 4.7uF electrolytic capacitors. I assume it is ...
- 3
0
votes
2
answers
1k
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Replacing a Capacitor on an Onkyo HT-R960 A/V Receiver
I have an Onkyo HT-R960 receiver that's been acting very flaky for the past couple of months. I've had to let it warm up for several minutes before being able to use it. I would also have to turn it ...
- 101
1
vote
1
answer
366
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THAT4315 audio analyzer - capacitors getting hot
I have designed a audio spectrum analyzer circuit with THAT4315 and a drivers for IN-13 bar graph nixie tube to visualize the signal level.
To supply +-12V to the opamps, the Meanwell NSD15 module is ...
- 61
8
votes
3
answers
6k
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How to avoid a electrolytic capacitor on a (audio) signal path?
I've built a compressor basing on the all-in-one chip THAT4301. It works well. But I'm still not happy because of the electrolytic capacitor I used in the signal path. My design was based on the ...
- 295
7
votes
4
answers
12k
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Is a minimum of 1000µF capacitance needed between an lm386's output and a speaker and if so why?
In this video explaining how to make an audio amplifier, the narrator warns
Don’t be misled by crappy schematics…with low values like 100 µF. You want to use at least 1000 µF [between the LM386's ...
- 201
12
votes
1
answer
3k
views
Reason why polarized electrolyic on audio line doesn't blow up
I've seen the low-end IC audio amp datasheets recommending a simple (polarized) electrolytic on signal input, even for a split supply circuit that doesn't DC-bias the input. For example the datasheet ...
0
votes
1
answer
976
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All capacitors leaking on Emotiva PSU? [closed]
I've just opened the top of my XPA-2 amplifier and had a huge surprise: it seems like almost ALL of the caps are leaking from the bottom. Not just the main PSU caps, but smaller ones on PSU PCB and ...
- 439