The famous Tweed Princeton of the 50’s was a popular amp in the Fender range , it’s Class A single end design didn’t change too much over the years , A dual triode preamp into a single 6V6 is renown for great low wattage low level tones .. beautiful breakup when pushed, great sustain, crisp cleans and the famous Fender sag from the tube rectifier . It was perfect for students and recording studios.
Fender coupled it with an 8 inch speaker at a whopping 4 watts
I thought, What would that amp sound like on steroids. I used the 5F2a Narrow Panel schematic as my Basis ,The largest SE output transformer available @25watts , A beefier Power Transformer to handle the increase in power and put 2 x 6L6GC power tubes in parallel giving it approx 16 watts Class A , 4 times the power of the original. I decided on the Octal 6SL7GT preamp for it smooth full tones and creamy overdrive when pushed . The sag is still there with the tube rectifier
I coupled it with a 15 inch Weber Alnico speaker
The results are the PrinceTone , lots of clean headroom from the 6L6’s , fat crunch overdrive when pushed , Tight articulate bottom end and enough volume to play in a small club style setting …
The Cathode Biased (self Biasing) output section means you can swap output tubes to your liking , 6V6’s for the more compressed tones of the original or 6L6’s for the crisper more open tones they provide. A very versatile variation on a vintage classic