Vintage Fender Vibro Champ AA764 Combo - USA 1966

Here is a mid-1966 Fender Vibro Champ, serial A12259, a classic blackface-era example that showcases just how much tone Fender managed to pack into its smallest professional tube amplifier. Compact yet highly expressive, the Vibro Champ remains one of the most iconic low-wattage Fender amps, especially as the smallest model to feature true tube-driven vibrato.

This example is confirmed as an authentic mid-1966 unit, with the tube chart clearly showing the AA764 circuit designation and PE date code, aligning with Fender’s 1966 production period and blackface cosmetics. Together with the A-series serial number, these details strongly support its originality as a true blackface Vibro Champ rather than a later silverface transition model.

Rated at approximately 5 watts through a single 6V6 power tube, the Vibro Champ delivers classic Fender clean tones at low volume, with smooth, harmonically rich breakup when pushed. The onboard tube-driven vibrato is a standout feature, offering a warm, organic modulation that adds depth and movement without ever sounding harsh or artificial.

This example retains its original speaker, an important element in both tone and collectability. The original speaker contributes to the amp’s signature voice—slightly compressed, sweet in the high end, and highly responsive to playing dynamics. Clean tones are glassy and articulate, while overdriven tones remain thick, musical, and highly touch-sensitive, making it an excellent choice for recording, home use, and low-volume applications.

Finished in black tolex with silver grille cloth, the amp presents as a well-preserved vintage piece, showing honest wear and natural patina consistent with its age without appearing over-restored or heavily abused. It retains the character and authenticity expected of a well-used original blackface Fender.

Specifications: 

Year: 1966
Country: USA
Model: Fender Vibro Champ
Finish: Black tolex with silver grille cloth
Power: Approx. 5 watts
Power Tube: 1 × 6V6
Preamp Tubes: 2 × 12AX7
Rectifier: 5Y3
Speaker: Original 8" speaker
Controls: Volume, treble, bass, speed, intensity
Vibrato: Tube-driven
Circuit: AA764
Serial Number: A12259