Fender 400 PS Bass
Modern Blackface, 1970-1975
| Output | 435 Watts (3 x 145 Watts) |
| Rectifier | Solid State |
| Preamp | 2 x 7025 |
| Phase Inverter | 12AX7, 6L6GC, Transformer |
| Power | 6 x 6550 |
| Bias | Fixed Bias |
| Other | Reverb Driver: 12AT7 Reverb Recovery: 7025 Tremolo: 12AX7 (photoresistor) |
| Speakers/Load | 1 x 18"/4 ohms |
| Effects | Tremolo, Reverb |
| Config | Piggy-back |
| Control Panel | Black forward facing w/ white labels |
| Front Conrol Layout | Power Sw, Standby Sw, Pilot Lamp - Bass: In, In, Deep Sw, Vol, Treb, Bass - Normal: In, In, Bright Sw, Vol, Treb, Mid, Bass, Reverb, Speed, Intensity - Master Volume |
| Rear Conrol Layout | Speaker Out, Speaker Out, Speaker Out, Output Tubes Matching, Tremolo Sw Jack, Reverb Sw Jack, Fuse, Ground Sw |
| Knobs | Chrome skirted w/ black "F" center, numbered 1 - 10 |
| Head | 11 1/2" x 28" x 123/4" (29.2 x 71.1 x 32.4 cm) |
| Head Hardware | Black strap handle, corner protectors |
| Cabinet | 48" x 24" x 24" (121.9 x 61 x 61 cm) |
| Cab Hardware | corner protectors, casters |
| Head/Cab Covering | Black Tolex |
| Head/Cab Grille | Blue grille cloth (70-72) or black acoustic foam w/ white trim (72-75) |
| Weight | Head: 84 lbs. (38.1 Kg) Cab: 126 lbs. (57.2 Kg) |
| Logo | Grille mounted, raised, chrome & black script "Fender" w/ tail (head and cab) |