| Amplifier Name | Tubes amplifier | Tubes powersupply | Schematics |
|---|---|---|---|
| Ciuffou Andrea | 12AX7, 5687, 6C33C | SS | AMP(75k), PS(32k) |
| Glass audio 2/90 | ½ 12AX7, 1½ 6SN7, 4*6AS7 | NA | AMP(22k) |
| Unknown | EF86/6267, 2*ECC85/6AQ8, 2*6336A | SS | AMP+PS(44k) |
| Unknown | 12AX7, 12BY7, 12BH7A, 2*6C33C | SS | AMP(26k), PS(35k) |
