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In Reply to: RE: I got the PCB out of the NAD receiver, but... posted by KanedaK on November 20, 2020 at 23:31:53
I ordered Nichicon, one for the bad cap and a pair to replace the ones at the output near the binding posts. It's an older unit, used for casual music listening and TV audio. I don't know where Nichicon falls on the quality scale, and I'm not overly concerned about the sound quality. Just want it to work again.
Follow Ups:
The best audio-grade electrolytic caps are still only a few dollars each (okay except the very large values)
the work is the same whatever you choose
you really should replace more than just the bulging caps, assuming there's one for each channel, you should replace both.
You won't feel the difference in your pocket and it won't be more difficult to do.
It doesn't matter if you only use the amp for "casual listening", things ought to be done right IMHO ;-)
Anything worth doing is worth doing right. But there is another old saying - if it aint broke, don't fix it.
I am replacing a bulging cap that is common to both channels, probably related to the power supply for the output board. It is the only one of its value on the board. There are two larger caps near the binding posts, obviously one for each channel. They are not bulging but I am replacing those as well.
There are 12 other caps on the pcb I had to remove, from pencil eraser size to about 1cm x 2cm. Rather than risk unnecessary damage to the pcb, I am choosing to leave well enough alone. After all, this is a 15 year old mid-fi receiver with a built-in dvd player. It doesn't need to be fancy, I just want it to work again.
The great news is, the wife says she doesn't like the silver faceplate. And I would like to move into the modern age with an amp/dac/streamer with bluetooth capability and smart phone interface. Also thinking class D amplification so that ventilation isn't as big of a concern, and hopefully smaller footprint. It's looking like daddy gets an upgrade this holiday season!
I plan on using top quality caps when I refurb my Infinity RS-4/b's and B&K amp. These pieces are listened to critically in the media room, so quality will be top priority. And of course I will start here for recommendations on which type/brand to use.
I appreciate your insights. Happy Thanksgiving!
I believe Yamaha has a couple class D amp/streamer/DAC in their catalog, you should check those out, I've heard good things!
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