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Considered Tweedifying The Normal Channel On My Fender Bandmaster Reverb........Or...

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  • Considered Tweedifying The Normal Channel On My Fender Bandmaster Reverb........Or...

    ......I could buy an ABY switch and rout my Lovepedal Les Lius into the normal channel and switch between the two channels. What say all my expert friends here?

  • #2
    Re: Considered Tweedifying The Normal Channel On My Fender Bandmaster Reverb........O

    It's easy to tweed up your normal channel. Is this a PCB amp or a tag board?

    Of course, you can still run the ABY pedal and do the tweed as well.


    www.CelticAmplifiers.com

    "You can't save everybody, everybody don't wanna be saved."

    Comment


    • #3
      Re: Considered Tweedifying The Normal Channel On My Fender Bandmaster Reverb........O

      Originally posted by Scott_F View Post
      It's easy to tweed up your normal channel. Is this a PCB amp or a tag board?
      Kind of the two important parts of Scott's post.
      To a lot of players "Tweed" means a CF into the tone stack. You will not be able to do that with any ease. But you CAN bump the mids and increase the plate resistor value. That will make a Noticeable Difference. You can convert (if it has one) the bright switch into a Cathode/Gain boost switch with not much trouble.
      All this will be much easier if this is a hand-wired Fender. They have so many New/Old names now, not sure if Fender "reissued" the Band Master.
      best
      Last edited by zzmoore; 12-25-2015, 07:10 PM.
      https://www.youtube.com/watch?v=gY73mb28orM
      https://www.youtube.com/watch?v=35mZ4BAvEbg
      https://www.youtube.com/watch?v=nToonE52DG8
      https://www.youtube.com/watch?v=XMl-ddFbSF0

      Comment


      • #4
        Re: Considered Tweedifying The Normal Channel On My Fender Bandmaster Reverb........O

        Thanks guys. My Bandmaster Reverb is a drip-edge which should be a 1968 or 1969 so the amp has a tag board. I wouldn't mind converting the normal channel to a tweed deluxe circuit (two individual volumes for each input and a single tone control) What would that sound like?

        Comment


        • #5
          Re: Considered Tweedifying The Normal Channel On My Fender Bandmaster Reverb........O

          A common and simple mod to make it more tweed like is by changing the slope resistor of the associated channel's tone stack to 56k. Easy if its a tag board. Kinda a pain if its PCB.

          Comment


          • #6
            Re: Considered Tweedifying The Normal Channel On My Fender Bandmaster Reverb........O

            Originally posted by Jeffblue View Post
            Thanks guys. My Bandmaster Reverb is a drip-edge which should be a 1968 or 1969 so the amp has a tag board. I wouldn't mind converting the normal channel to a tweed deluxe circuit (two individual volumes for each input and a single tone control) What would that sound like?
            Looking at a 5E3 schem that should be feasable for good tech to replicate.

            Comment


            • #7
              Re: Considered Tweedifying The Normal Channel On My Fender Bandmaster Reverb........O

              Originally posted by Lake Placid Blues View Post
              A common and simple mod to make it more tweed like is by changing the slope resistor of the associated channel's tone stack to 56k. Easy if its a tag board. Kinda a pain if its PCB.
              Yeah.....slope resistor to bump the mids...take the plate resistor to 180k-220k will go a long ways. You will still have the Verb Channel for a typical BF sound.
              https://www.youtube.com/watch?v=gY73mb28orM
              https://www.youtube.com/watch?v=35mZ4BAvEbg
              https://www.youtube.com/watch?v=nToonE52DG8
              https://www.youtube.com/watch?v=XMl-ddFbSF0

              Comment


              • #8
                Re: Considered Tweedifying The Normal Channel On My Fender Bandmaster Reverb........O

                Hey if it's a non modified drip edge, just leave it stock. I truly believe you'll thank me one day.


                www.CelticAmplifiers.com

                "You can't save everybody, everybody don't wanna be saved."

                Comment


                • #9
                  Re: Considered Tweedifying The Normal Channel On My Fender Bandmaster Reverb........O

                  i understand what scott is saying and there is wisdom there. but as a man who has thoroughly messed with a '66 deluxe reverb and a '69 dual showman reverb i say go for it. my deluxe has the normal channel gutted so there is no tone controls, only a cap to shelve up the bass so it isnt farty. i use an a/b switch to go from clean mid scooped reverb to fat crunchy dry

                  Comment


                  • #10
                    Re: Considered Tweedifying The Normal Channel On My Fender Bandmaster Reverb........O

                    Well, so far, all of what "we" have suggested is easily restored.....pretty much just value changes...maybe some wire rerouting and also (perhaps) adding a component or two. Nothing suggested to this point would alter the chassis or face-plate.
                    https://www.youtube.com/watch?v=gY73mb28orM
                    https://www.youtube.com/watch?v=35mZ4BAvEbg
                    https://www.youtube.com/watch?v=nToonE52DG8
                    https://www.youtube.com/watch?v=XMl-ddFbSF0

                    Comment


                    • #11
                      Re: Considered Tweedifying The Normal Channel On My Fender Bandmaster Reverb........O

                      nope. all my mods are reversible, not that i would ever go back. my '66 is my main gigging amp and it sounds glorious for what i do

                      Comment


                      • #12
                        Re: Considered Tweedifying The Normal Channel On My Fender Bandmaster Reverb........O

                        Well I say that as I look across the room at a drip edge Pro Reverb that I changed out a huge number of parts on. But I had CC resistors that were crumbling and once I got started, it was hard to stop.


                        www.CelticAmplifiers.com

                        "You can't save everybody, everybody don't wanna be saved."

                        Comment


                        • #13
                          Re: Considered Tweedifying The Normal Channel On My Fender Bandmaster Reverb........O

                          Originally posted by Scott_F View Post
                          Hey if it's a non modified drip edge, just leave it stock. I truly believe you'll thank me one day.
                          I agree with this somewhat in principle, but sometimes old components sound better when replaced. Ie the brown caps dont sound as nice as modern mallorys or orange spagues.
                          Re: tweed tho. I reckon the most defining "tweed" characteristic is the saggy drive sound produced by 5e3 deluxes. The lions share of this tone comes from the fact that the phase inverter is overdriving. Once fender started using the "long tailed pair" configuration for the PI, that sound was gone, replaced by a much punchier and much cleaner and more defined sound. Your drip edge will never get that same sound of the phase inverter crapping out. That is fine. You have a great amp in its own right.
                          If i was in your shoes, the best thing to do would be to make sure the amp is doing what it was designed to do in the best manner possible (ie: strong tubes, fresh caps, nie clen solder joins etc) then find the perfect spasker for the job (texas heat is really hard to beat for that kind of amp) and experiment with getting the perfect overdrive pedal to pair with it. The les lius is pretty good and it does do that saggy thing very well. You might find that the xotic AC is killer if you want a bit more punch, clarity, firmness, low end and flexibility.
                          Hope this is useful.
                          "Technique is really the elimination of the unneccessary ... it is a constant effort to avoid any personal impediment or obstacle to acheive the smooth flow of energy and intent"
                          Yehudi Menuhin

                          Comment


                          • #14
                            Re: Considered Tweedifying The Normal Channel On My Fender Bandmaster Reverb........O

                            right, you cant really "tweed" your bf/sf amp. there are too many things that are different to get very close to a tweed type tone. you can however make the normal channel a fatter crunchy beast. i cant recall exactly what i did but i know i removed the tone stack, shelved up the bass, increased the cathode resistor on the first stage, lowered the cathode bypass cap on the second stage... ill have to take a look.

                            Comment


                            • #15
                              Re: Considered Tweedifying The Normal Channel On My Fender Bandmaster Reverb........O

                              swapping out the tone caps to .022 uf help a lot as well.


                              www.CelticAmplifiers.com

                              "You can't save everybody, everybody don't wanna be saved."

                              Comment

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