Not satisfied with Sony STR-DG520 sound. Need modify?

bezobraznia · 8th April 2009, 06:58 AM

Hello soon I was get Sony STR-DG520
Link to STR- DG520 in UK site.
, but I'm not satisfied with his sound. Is it posible some modification inside? Op-amps, caps etc? I also don't have shematic for this HT receiver. If anyone have it I will be happy if send it to me. Thanks in advance!
Peace!

whitelabrat · 8th April 2009, 08:40 PM

I have an STR-DG500. I think the only useful modification would be to leave it in the front yard for someone to take away.

It's design is to provide a lot of features as cheap as possible so there's not much worth improving. Just my opinion though.

Really the power transformer is the weakest part, but also the most expensive part. It's rated for about 200w which means the amp can probably barely pull off 80w stereo if not less. I've got an old Sansui AU-D7 that is rated for 80w stereo output, but has a huge power transformer in it.

8th April 2009, 06:58 AM	#1
bezobraznia diyAudio Member Join Date: Jan 2004 Location: Bulgaria	Not satisfied with Sony STR-DG520 sound. Need modify? Hello soon I was get Sony STR-DG520 Link to STR- DG520 in UK site. , but I'm not satisfied with his sound. Is it posible some modification inside? Op-amps, caps etc? I also don't have shematic for this HT receiver. If anyone have it I will be happy if send it to me. Thanks in advance! Peace! __________________ WELCOME TO THE WORLD OF HIFI SE + FULLRANGE RULEZ!

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8th April 2009, 08:40 PM	#2
whitelabrat diyAudio Member Join Date: Dec 2006 Location: Maryland	I have an STR-DG500. I think the only useful modification would be to leave it in the front yard for someone to take away. It's design is to provide a lot of features as cheap as possible so there's not much worth improving. Just my opinion though. Really the power transformer is the weakest part, but also the most expensive part. It's rated for about 200w which means the amp can probably barely pull off 80w stereo if not less. I've got an old Sansui AU-D7 that is rated for 80w stereo output, but has a huge power transformer in it.

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