Up for sale is a classic, stage-ready piece of Fender history: a mid-1970s (Serial No. A575609) paired with its matching (Serial No. P11353).

Known as an absolute legendary workhorse, this rig delivers the massive clean headroom, punchy lows, and legendary warm 6L6 tube tone that made the Bassman a staple for both bassists and electric guitar players alike.

Item Breakdown & Condition

• (Serial No. A575609): Excellent functional and very good cosmetic condition. It runs completely as it should, delivering 50 watts of pure, dynamic tube power. The silverface control panel is clean, the knobs turn smoothly, and the chassis is structurally excellent. Based on Fender's historical chassis serialization charts for Silverface amplifiers, a serial number starting with A5 followed by five digits (A575609) dates this head precisely to 1972. 

  How Vintage Fender Amp Serialization Works

  During the CBS era, Fender stamped serial numbers directly onto the back of the metal chassis. The breakdown for the A-prefix series on Bassman 50 heads follows this historical timeline: [, ]

• 1972: A45000 to A58000 (Your serial, A575609, falls directly into the upper end of this 1972 run)
• : Good overall condition and fully functional. It features the massive, warm low-end thump that only vintage 15" drivers can provide. Cosmetically, it shows its vintage status with some typical wear and flaws on the black tolex, but remains structurally rock solid with a clean grille cloth.

Specifications & Features

• Power Output: 50 Watts RMS of pure tube tone.
• Tube Layout: Powered by dual 6L6 power tubes for balanced, punchy headroom.
• Two Independent Channels: Features a dedicated Bass channel (with a Deep switch for added low-end rumble) and a Normal channel (with a Bright switch ideal for guitar crispness).
• Pedal Powerhouse: Widely celebrated by modern guitarists as an incredible platform for overdrive, fuzz, and delay pedals.