To add a choke in driver stage B+ to smoothen the sound

Tube DIY Asylum

Do It Yourself (DIY) paradise for tube and SET project builders.

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?

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Topic - To add a choke in driver stage B+ to smoothen the sound - Eric Chan 08:52:28 01/03/17 (5)

Voltage? - FlaCharlie 07:24:33 01/09/17 (0)

RE: To add a choke in driver stage B+ to smoothen the sound - megasat16 10:55:36 01/03/17 (0)

RE: To add a choke in driver stage B+ to smoothen the sound - gusser 09:00:37 01/03/17 (2)

RE: To add a choke in driver stage B+ to smoothen the sound - Eric Chan 14:07:05 01/03/17 (1)

RE: To add a choke in driver stage B+ to smoothen the sound - hifipaul 13:52:51 01/10/17 (0)

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