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Amplifier NameTubes amplifier Tubes powersupplySchematics

Ciuffou Andrea12AX7, 5687, 6C33C SSAMP(75k), PS(32k)
Glass audio 2/90½ 12AX7, 1½ 6SN7, 4*6AS7 NAAMP(22k)
UnknownEF86/6267, 2*ECC85/6AQ8, 2*6336A SSAMP+PS(44k)
Unknown12AX7, 12BY7, 12BH7A, 2*6C33C SSAMP(26k), PS(35k)



SS = Solid-State, AMP = amplifier part, PS = power supply part, NA = not available