1956-1961 Vibrolux
(Tweed Vibrolux)

Year:

 1956-1961

Model:

 Vibrolux

Model No:

 5E11, 5F11

Config:

 Combo

Control Panel:

 Chrome top facing w/ white screened labels, controls numbered 1-12

Conrol Layout:

 Fuse (¾A), Power Sw, Pilot Lamp, Depth, Speed, Tone, Vol, In, In, In

Knobs:

 Black pointer

Cabinet:

 Narrow panel, 16¾" x 20" x 9½" (42.5 x 50.8 x 24.1 cm)

Cab Covering:

 Diagonal tweed

Cab Hardware:

 Leather Handle, glides

Grille:

 Brown grille cloth

Logo:

 Cabinet mounted, Script "Fender Vibrolux" on rectangular tag

Weight:

 21 lbs. (9.5 Kg)

Speakers/Load:

 1 x 10"/? ohms

Speaker Model:

 Jensen P10R

Effects:

 Tremolo

Output:

 10 Watts

Preamp:

 12AX7

Power:

 2 x 6V6GT

Bias:

 Fixed bias, nonadjustable

Rectifier:

 5Y3GT

Phase Inverter:

 ½ 12AX7 (split load)

Other:

 Tremolo ½ 12AX7 (bias vary)

Comments:
  • The preamp used half of the phase inverter 12AX7 and half of the tremolo 12AX7.
  • A selenium rectifier is used in the bias circuit.
  • A speaker and tremolo footswitch jack are located on the bottom of the chassis.