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New problem with Music Angel KT88

 
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Steadman


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Inscrit le: 17 Avr 2018
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MessagePosté le: Ven 27 Avr - 11:09 (2018)    Sujet du message: New problem with Music Angel KT88 Répondre en citant

Hello all the experts out here,
 
I bought this amp a few months ago on eBay. 2 weeks ago while listening to it for over 2 hours, I noticed heavy smoke coming from the left side of the amp. One of the hv capacitors blew up. It is 220uF/250v. For the last 2 weeks, I have been reading intensely about mods and other people problems yet I could not find a suitable schematic for my amp. First of all, my amp has 7 tubes: 4x kt88, 2x 6n8p and 1x 6n3. All the schematics I found has 8 tubes.
Also if you notice the power PCB, there is a modification done (by the factory, not me) with the yellow wire. Maybe I got a lemon. Anyway, I need your advice: should i replace the capacitor(s) with 220uF/400v? Would this solve my problem? I also want to eliminate the Triode/UL switch but I need a good schematic for that. Any other suggestions please help me so I can enjoy again “the sound of the music”.


Please help.


I didn't find the right solution from the Internet.


References:
http://diyaudioprojects.com/Forum/viewtopic.php?f=9&t=1779
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Thanks!


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MessagePosté le: Ven 27 Avr - 11:09 (2018)    Sujet du message: Publicité

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