![]() ![]() For what it is worth I have several (3-4) of the exact Oxford speakers Fender used on the musicmaster bass if anyone is interested. it will be happy withstanding the Dc current the circuit presents it. Marshall Style Bluesbreaker Grill Cloth Read more Fender Style Blue White Silver. Becuase the 15K low watt resistor across the interstage primary is tone forming I had thought to simply wire in a pot in parallel to hear the effect the resistance value makes. 1 2 3 4 10 Next Jump to Latest E Enzo Member Joined 2004 6:36 am 21 The transformer was designed for this application. Fender Mustang GTX: very versatile and affordable. It is recommended that the values of the filter capacitors inside the capacitor housing beneath the chassis be checked and verified before ordering a specific Electrolytic Capacitor Kit, to make sure that your amp was not one that did not adhere to the schematic. Mojotone Amp Kits Tweed Amp Kits Small Parts Kits Capacitor Kits. The schematic and layout diagram hint at transformer redesign. But to do that even, I would have to change the power transformer or add a small filament transformer somewhere to augment as the 40-18100 PT only delivers 1.1 amp (and it runs pretty hot even with the one 12AX7 and two 6AQ5's I used). Here are just some of the best Fender amplifiers on the market today. Perhaps the engineers at Fender decided at some point to design a double-duty transformer, one that could supply the needed voltage for a Champ with a 5Y3, but with sufficient current to supply a Princeton and the increased voltage output from its GZ34 rectifier. I too have left plenty of room on the board for further modification but, in my case, because I started with a little Acoustic G-20 as the donor amp, my chassis would be the more limiting part for me to expand should I later decide to redo with added tubes (as well as the space around the speaker when mounted in the cabinet). I built one last year, but mine was only slight modded from the original, So I used the solid state rectifier and the replacement transformer set for the Musicmaster from Classictone (PT = 40-18100, OT = 40-18101, Driver = 40-18093). Crate Amp Parts: Crossover Capacitors: Dunlop Parts: Effects Pedal Parts: Fans: Fender Amp Parts: Footswitches: Fuses/Protection: Fuse Holders: G-K Parts. ![]() What power transformer is being used? I see that you have modded yours using a different one as you have switched to one that supports a 5V rectifier tube. ![]()
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