Vypyr 75w help needed

[cbundavis]

I took my amp apart to check to see if the headphone section was unconnected. Anyways on yhe inside where the post-gain knob is what are the 3 switches for? 1 and 3 are down and the middle is up? Is this some gain boost or cut? I have researched and cannot find anything about it

[rogue777]

Your question was answered by James Paul in another post.
Page 4 shows the encoder table.
Page 1 shows the switches in circuit.

http://zorkmids.com/Download/EncoderBoard01.pdf

[cbundavis]

Thanks man! I appreciate that very much!