Hmmm I noticed one of the 6K4(6BA6) I'm using on LD1+ is causing white noise in one channel, and the volume is slightly smaller. The getter inside the tube is getting thinner, almost transparent by now. I guess it's leaking very slowly. Turns out the condition of the tube do affect the sound...

Thanks for your reply! I understand that the tube doesn't do any amplification, but it still changed the sonic characteristic right? I'm okay with it not amplifying, but I'd like it at least to be doing something :D

Hi, I bought LD1+ few weeks ago and I'm experimenting different tubes on it, and LD1+ indeed is very forgiving for tubes! When I'm surfing this thread for information I found your informative reply on using 6BA6(a remote cut-off pentode) on LD1+, I tried it myself and found the result to be...

Hello guys, I just registered to comment this: Little Dot LD1+ seems to be very forgiving for tube rolling, and I've tried several cheap Chinese tubes in default setting: Tubes that works out of the box: 6J1(of course, it's the default tube :P, sharp cut-off pentode) 6K4(6BA6 equivalent, remote...