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1960 Fender Vibrolux Tweed Narrow Panel Vintage Tube Guitar Amp 5F11 Circuit, Serviced w/ Jensen P10R


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Up for sale, a 1960 Fender Vibrolux in excellent condition and good working order. One of the very last narrow panel tweed-era Vibrolux amps produced with the coveted 5F11 circuit, this amp has a range of dynamic tones to match its good looks. The circuit is freshly serviced by our techs here at Mike & Mike's Guitar Bar, and the sound is shimmering and harmonically rich. A particularly angry sounding Vibrolux, the amp cascades into ripping drive between 3-4 on the Volume knob, achieving more perceived volume consistently until 12 on the dial. The tremolo is bias-based, meaning that it turns the tubes on and off at a rate and intensity set by the controls, and has a nice strong pulse to it, with a smooth waveform that has a good amount of intensity and chop on tap.

The circuit is extremely original, with a bevy of stock yellow Astron capacitors and even the original Minimite power supply caps still intact and functional. Only two caps necessitated replacing in the preamp (with one new red dynamite Jupiter cap and one NOS cap), and three of the four original CTS pots are intact with visible date codes from the 22nd week of 1959. The power transformer is the original Triad, and the output transformer is a vintage replacement with characteristics and wattage handling consistent with the original, featuring open bells and manufactured by Sherron Electronics Co. The amp retains its original two-prong gray power cable too.

The tube chart has crisp corners and only light aging, noting the 5F11 circuit, stamped "JH," which dates to August of '60. The amp is loaded with an era-correct Jensen P10R 10" speaker which dates to the 24th week of 1956. This speaker has a very clean dark green frame and gold foil sticker on the alnico magnet bell, recently reconed for decades of future reliable use.

The original lacquered tweed is intact, deeply ambered with some expected corner wear, particularly on the lower left corner. The lower back panel is original, while the upper panel is a factory-spec replacement, aged and ambered to match. The face of the amp retains its metal Vibrolux badge, and even the original leather handle is present. The chassis is quite clean, with bright chrome plating on the faceplate, only minor pitting, and the majority of the original white silkscreen text intact.