en fender tweed champ 5F1 1956 with 6 inch speaker

Updated on January 28, 2020 | 532 Views all
0 on January 28, 2020

this 6″ speaker has the model name 6EV on it. I guess it’s Oxford from the 6EV. Oxford 8″ was 8EV-29 .

this Champ had some noise issue even without any input signal. it came from oxidation and fixed instantly with EML contact cleaner. I don’t use the infamous Dexoit anymore. the residue from Dexoit caused some problem on the vintage cloth pushback wires. EML is still the best for tube pins, input and output jacks and plugs, and potentiometers so far.

the filter caps were alive but the volume level was too law and didn’t sound like a Champ. this Champ sounds getting alive while the new caps are broken in already. the replacement is 33uf+10uf+10uf like my old Champ amps.

the texture was nice with GE black plate 575. but turned out it sounds great, I mean more like the Champ sound with RCA black long plate 12ax7 from late 50’s. I prefer 8 inch speakers but this 6 inch Oxford still sings 

 

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    the orange filter caps are Roederstein 33uf 450v which replaced the stock caps from the kit. I didn’t know the limit of 5y3 and was brave enough to put two of them on it. then realized the rectifier was too hot and went to 33+10+10.

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    this 5F1 is dead quiet and the filament wiring is a bit different to the original champ. I’m trying to figuring out it. nothing is easy with the electric stuff even 5F1 is this simple.

    I’ve got some NOS Sprague black beauty caps 15 years ago and tried it on this amp. I expected something vintage with them. but I’ve learned they are not useful as the coupling caps. they were good as the guitar tone caps. but they dramatically reduced the output volume regardless of the values. realized why my 18watt replica’s output volume was that low 15 years ago today. I’m still wondering why anyway. 

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