Fender Rumble Bass

Model/Circuit Number: Rumble Bass
Years of Production: 1995 – 1999
Era:
Configuration: Piggy-back
Controls: Black, forward facing w/ white labels, controls numbered 1 – 10
Knobs: White round, unnumbered
Faceplate

• Front: Vol A, Treb, Bass, Mid, Mid Cut A Sw, Channel A/B Sw, In A, In A/B, In B, Channel Combine Sw, Mid Cut B Sw, Vol B, Treb, Bass, Mid, Mix – Pilot Lamp
• Rear: Power Sw, Fuse, Standby Sw, Effect A Sw, Effect B Sw, Effect Send, Effect Return, Channel FS Jack, Ex Speaker, Speaker, XLR Line Out

Cabinet

• Dimensions: 10 x 24-1/2 x 13-1/2
• Hardware: Medium Chassis Straps 4 5/8″, Top mounted Vent
• Handle: 2 Brown Rubber “Fender” Handles
• Feet: Glides
• Corners: Corner Protectors

Covering Material

• Tolex/Tweed: White Tolex
• Grill Cloth: Marooon

Logo: Grille mounted, flat, brushed finish, script “Fender” (head and cabs)
Weight: 72 lbs. (Head)
Speaker Cabinet Configuration:

• Dimensions: 24-1/2″ x 24-1/2″ x 18″
• Handle: 2 Side Mounted Recessed Handles
• Feet: Glides
• Corners: Corner protectors
• Tolex/Tweed: White Tolex
• Grill Cloth: Maroon
• Weight: 78 lbs
• Speakers/Load: 4 x 10″ / 4 ohms (16 ohms each in parallel), 4 x 10″ w/ tweeter/4 ohms (16 ohms each in parallel w/ three position switch for tweeter off/norm/bright)
• Speaker Model: Eminence 10775

Effects: Channel Switching
Watts: 300 Watts
Tubes

• Pre amp:
• Power: 6 x 6550WA

Bias: Fixed bias, adjustment w/ external bias ports.
Rectifier: Solid State
Phase Inverter:

Comments:
The grill of the head is attached by two screws. With the grill removed Two ports for volt meter connection and an bias adjustment screw are visible. The procedures for adjusting the Bias are contained in the owner’s manual.