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Saturday, May 7, 2011

Tech Talk - Fender "Vibrolux-Amp" 5F11 (1959)


Everyone knows about the Vibrolux but how many of us have had the chance to play one. Another beautiful review.
1956-1961

Model:
Vibrolux

Model No:
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.
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3 comments:

  1. Try out a Victoria Amp if you'd like something similar that's a little more in the price range. Mr. Baier, IMHO, can do Fender better than Fender.

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  2. Your point is well taken. Mark makes really great amps. No doubt about it. I don't believe that he has duplicated the 5F11 circuit although his Ivy League (Harvard) 5F10 would be a reasonable comparison. They come off of the shelf at about $2k vs a 50 year old Fender at say $2200 - 2600.

    Thanks for your input.

    Barron

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