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Original Message
To add a choke in driver stage B+ to smoothen the sound
Posted by Eric Chan on January 3, 2017 at 08:52:28:
I have observed a situation
When I listen to my BAT VK75SE in evening time, a bit grainy sound
When I listen to it after 23:00, no more grainy sound, the vk75se use toroid power tranny, probably AC line picking up noise.
Can I add a choke in 1st VAS as to smooth out the sound?