After I bought my Music Hall dac25.2 I knew I was going to have some fun with a few DIY projects with it. But first I must comment that the MH dac sounded fantastic right out of the box. No complaints here on that note.
My first fun swap was to replace the stock EH Russian 6922 tube with a NOS Amperex Bugle Boy tube. After a good 125hr burn in the difference the Bugle Boy added was not at all subtle. Everything just sounded more "alive" & more involving. Soundstage, imaging, & vocals just took on another life of their own. Things were really heating up around here with my eagerness to give my next project a go.
In steps the Burson Audio dual HD op-amp upgrade. I ordered direct from Burson & received them in 8 days. The install took all but 10 minutes. The stock op-amps simply popped right out & these guys went right in. After a good 100hr of burn in the results were simply amazing!! I couldn't believe what I was hearing. Kudo's to Burson for such a fine product.
So now between the new tube & op-amps I'm really, really satisfied with this dac's incredible sound. But as tweakers go I'm still on the fence about replacing the stock caps with some nice Auri caps. I just don't know if they would take things to even a higher level. If I do proceed with the Auri caps I can assure you that my DIY fun with this dac will be complete. Nothing like having a little fun with the gear.
What do you think...do the caps or what????