need help on tube output stage..

[tone]

hi all,

experincing cracking sound at high volume...the tube stage has no Rload resistor on it..try to connect a 1M resistor but only getting distortion..any idea?

pls advice..

thanks in advance..

file attached:

rgd,
tone

 

[HeadSh0T]

I am going to build this DAC soon as well.. but you should post your questions in audioasylum to get a better response. There are more people that have built this DAC over there and Thorsten is active there as well.

 

[SY]

Can you tell us the DC voltage measurements at each tube pin?