The Fender Princeton 5F2A, produced between 1957 and 1960, is a legendary model in the world of vintage amplifiers. A part of Fender's famous Tweed series, it became an iconic amp for its punchy, dynamic sound and compact size.
 
The 5F2A circuit, specifically, is known for its warmth, clarity at low volumes, and its ability to produce a rich, crunchy tone when pushed. The 1960 version, with its original components and recent service, is an excellent example of the lasting appeal of this small yet mighty amp.
 
The Narrow Panel 5F2A is widely regarded as the classic Tweed Princeton. In this circuit design, Fender made several key improvements that boosted the amp’s overall performance. The power section saw better filtering, and the choke was dropped, which gave the amp more punch, volume, and definition—key features that musicians sought after in the late 1950s and early 1960s.
 
The tube compliment for the 5F2A includes the 12AX7 preamp tube, the 6V6 power tube, and the 5Y3 rectifier tube. The 12AX7 is cathode biased, allowing the amp to maintain a clear, vibrant tone at lower volumes while delivering a pleasing, crunchy overdrive as the volume is turned up. This balance between clean headroom and natural overdrive made the Princeton 5F2A a popular choice for both studio musicians and home players.
 
Fender’s early years were marked by constant experimentation, which resulted in multiple circuit variations of the same amplifier model. The Tweed-era Princetons (produced from 1948 to 1961) had at least five different circuit variations, a testament to Leo Fender’s dedication to refining his designs. Among these, the Narrow Panel 5F2A is the most famous. This amp produces a raw, dynamic sound, especially when cranked up, making it ideal for achieving that sought-after vintage crunch that many guitarists covet.
 
With only 4.5 watts of power, the Princeton 5F2A is perfect for small venues, home use, or studio recording. Its low wattage allows it to produce natural overdrive at a manageable volume level, making it ideal for players who want that crunchy, saturated tone without needing to crank up a massive amp.
 
This particular 1960 Fender Princeton 5F2A is in excellent condition and has been professionally serviced to ensure optimal performance. 
 
Some key details include:
 
Serial Number: P04735, placing it in the 1960 batch.
Transformers: Original Schumacher power transformer and Triad Model 107 output transformer.
Tube Chart: Dated “JD,” corresponding to April 1960.
Pots: CTS-marked, dating back to the 47th week of 1959.
Speaker: Original 8” speaker included (needs recone) with a modern Fender replacement speaker installed.
Tubes: RCA 6V6GT (power), Sylvania 12AX7 (preamp), 5Y3GT (rectifier).
Handle : replacment (original included)