Allnic H-3000 hum when mute button engaged.

Hello dangcaonguyen,

Excellent news on solving your hum issue, thank you for doing this research for us.. :)

Regarding the rectifier, I have tested many, and have a few favourites that to me and friends are stand out options: KR Audio 5u4g being the first, a wonderful match and so full and open sounding. Second is not generally available off the shelf so to speak, and it is the Ayon 5u4g. It is a large tube which requires a simple mod to fit into the psu case, but it is all that the KR is with tremendous bottom end drive, and is probably my favorite. Next I will test a KR Zirconium 5u4g, if this can improve on either the 'standard' KR or the Ayon, I have my phono stage to grow old with.. Have fun.. btw, none of these are cheap!

@ps68 is the KR ampizator the one? I see it on ebay for $600.
Thanks

Hi,
Yes, it is the lampi anniversary version here:
https://best300b-com.myshopify.com/collections/kr-audio/products/kr-5u4g-lampizator

I have only rolled one rectifier tube in my H3000, a big base Mullard and could not believe the improvment over the stock tube.  Have fun with this when you are ready, there are many options.

Thanks ps68 and pops,
I will try it when my budget allows. 
As of right now, compare to my Zyx Artisan 2 and H-1201, I am enjoying my new h-3000 a lot more. 
Thanks to all.
Calvin