Recto set-up without 482i or GT-6:
GE-7 ==>
100Hz = -5dB, 200Hz = -5dB, 400Hz = +6dB, 800Hz = +12dB, 1.6kHz = +10dB, 3.2kHz = +10dB, 6.4kHz = +1dB
Recto ==>
Gain = 2:30, Bass = 2:00, Mid = 4:00, Treb = 4:00, bright = left
Ruby 12AX7A's
EQ-3b ==>
Low : Gain = 1:30, BW = 10:00...