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|-+  Custom amp building, Prototypes and other amps
| |-+  Mods and Tweaks
| | |-+  My little BF Champ 6L6 mod...
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Author Topic: My little BF Champ 6L6 mod...  (Read 10910 times)
mcinku
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« on: November 01, 2007, 03:39:05 PM »

I like my BF Champ so much I wanted to make it sound even bigger.
This mod is easy just a switch and a 330R 10W resistor...



* 6L6mod.JPG (102.39 KB, 717x538 - viewed 1414 times.)
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Kitarist
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« Reply #1 on: November 02, 2007, 03:13:27 PM »

Thanks for the mod info
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Music has to breathe and sweat. You have to play it live
Timd
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« Reply #2 on: November 18, 2007, 07:39:46 PM »

Does the mod affect your tone much, if at all?
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DC30
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mcinku
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« Reply #3 on: November 19, 2007, 01:02:25 AM »

Does the mod affect your tone much, if at all?

Actually it does... it's louder of course and the sound has changed as well. I would say that the bass response is different and the way how the amp goes into the drive has changed as well. I would say that with 6L6 there is more gain when pushed all the way. The grain pattern of the drive is different too, if you know what I mean.
 Wink
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bcmatt
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« Reply #4 on: August 09, 2008, 01:46:59 AM »

So, does this mean that the Transformers can handle the higher watts from a 6L6 or an EL34?
I ask because I modded my BF Champ into some completely different amp that is supposed to take any of those tubes, but I haven't tried anything but the 6V6 because I was afraid I might blow a transformer.
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mcinku
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« Reply #5 on: August 09, 2008, 02:52:53 AM »

I asked Nik if transformers could handle it and he said yes.

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bcmatt
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« Reply #6 on: August 09, 2008, 10:19:03 AM »

cool! Thanks!
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DaveMcLain
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« Reply #7 on: June 12, 2011, 09:10:21 AM »

It's really not any problem at all with the output transformer or the B+ portions of the amp.  The problems can come from overloading the 6 volt heater winding in the power transformer because the 6L6 and especially EL34, KT88 etc draw MUCH MORE heater current than a 6V6. 

This might not be any problem at all with the Ceriatone transformers but in a stock Fender or similar amp it can cause problems.
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mcinku
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« Reply #8 on: June 12, 2011, 02:22:48 PM »

I'm running my Champ with 6L6 since I did this mod and I have no issue with the PT.
So I guess it is safe to say C-tone transformer can take it.

I doubt I would even consider this mod if I had an original Champ.
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cmoore
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« Reply #9 on: June 12, 2011, 02:27:35 PM »

mcinku......
Please do not bother to post any more on this forum........
Unless you include some new Youtube clips of You and Your Telecaster :-)
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mcinku
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« Reply #10 on: June 12, 2011, 02:52:29 PM »

It's been a while isn't it... since I recorded anything. Lately I'm spending a lot of my free time behind my bench building stuff and fixing amps.
...but you're right, I need to grab my guitar more often and play the damn thing.
 Wink
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