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Discussion in 'Amp Input - Normal or Bright' started by Rounder44, Feb 7, 2020.
I think I’ve seen Duane post that it’s a 59 champ.
The guitar is a CS "Transitional '59" from NAMM 2016 and the amp is a '58 Champ. Cord and cap job but otherwise stock. The voice of God!
I have been looking for a deal on one of these for a while now
Re:The Custom Champ.
I'm seeing a cathode bypass cap on v1. That would explain shipping it with a 12ay7.
@Triple Jim 's eyes are better than mine.
Interesting theory. I saw the cathode bypass capacitor on the 2009 schematic, but that still shows the 12AX7. It's hard to guess what the story really is, but it's also easy to put whatever tube you want in it, and to remove or leave the capacitor. Heck, didn't you say you've added switches to select bypass capacitors before, or am I thinking of someone else?
To lift it or add one in...yeah.
I should do that to my Silvertone 1484. I added a couple bypass caps in it because the gain was pretty weak, but it might be nice to be able to put it back to stock with the flip of a switch.
My 5f1: the switch is a pull pot. Pull it out, it adds the bypass cap.
Sounds good... no extra switch visible. Do you notice any change in the tone or dynamics other than the change in gain?
Sure. It gets fatter if that makes any sense. Bypass the other half and it gets even more noticeable.
So what makes an amp an "Original 5F1 circuit" as fender claims this '57 Custom Champ is?
Hoe much can be changed and still be functionally the "same"?
The circuit is very simple and the schematics are available, so it's pretty easy to build one that's the same as the original. The color of the capacitors is irrelevant. If you don't like the cathode bypass capacitor, if it's in the "custom" version, take it out.
I think it's already been stated that the construction of the cabinet and the choice of speaker is important if you want it to sound authentic. I prefer the '57 Princeton, because it's essentially identical, with the addition of a very nice tone control.
This is the original 5f1 circuit.