i have just notice that my yaqin 2100 vk bias settings is all over the place.

[youngie]

hello all i have just notice that my yaqin 2100 vk bias settings is all over the place. i have just brought a mmeter to read the bias settings on all four and some are saying - 3 and some say plus 21. is there a specail order on how to reset these. i have been try all day. i turn one up and it turn the other one down and all over the bias settings please help if you can. i believe the right settings should be 25mv for a class a sound and 15mv for a cooler ruining kind regards mr young

 

[djn]

Here is a thread you need to read through.

http://www.diyaudio.com/forums/tubes-valves/147465-yaqin-vk-2100-mods.html

.

 

[youngie]

ok mate i have been on the yaqin vk2100 all day trying to set my bias but all of them are saying diffrent reading some say -12 and some are sayin 31. i am trying to get them all to 25mv for a class a amp. are they meant to be -or +is there a specail way of doing it. kind regards mr young

Here is a thread you need to read through.

http://www.diyaudio.com/forums/tubes-valves/147465-yaqin-vk-2100-mods.html

.

 

[djn]

Of that, I am not sure. I have the 2100 but have not had the time to work on it.

 

[youngie]

ok thank you mate all my best lee

Of that, I am not sure. I have the 2100 but have not had the time to work on it.

 

[djn]

Let me know what you find. I want to be well armed with I start working on mine.