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  • leslie back panel

    can someone tell me if the back panel on the bass rotor and the back panel on the upper horn of a leslie 145 are the same size for a leslie 147? thanks

  • #2
    Yes, both bass (bottom) and top (horn) panels are the same size on a 145 and 147. Only the middle panel is different, it's bigger on a 147.

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    • #3
      Not unless the 147 is a 147rv then the upper rotor cavity is taller to make room for the reverb amp. Click image for larger version

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      • #4
        thank you Joe, thank you goff. these two different answers make sense now, months ago i measured the height in the cavity of the upper rotor of a leslie 145 to compare it to my 147 which happens to be an RV and it was higher in comparison to the 145. so the only difference is in the upper rotor cavity. i didn't know the reverb amp will make a difference here!

        i was about to purchase these two pieces from e bay and i don't know what to do now just thinking that if i buy them there's gonna be a big gap at the upper rotor unless someone in the forum have a suggestion. thank you guys!
        Last edited by 4hammonds; 03-05-2019, 06:53 AM.

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        • #5
          Most people leave the upper rotor panel off because there's some consensus that it sounds better -- unless you have some compelling reason that it needs to be covered, like small children who might stick their hands in there.

          In that case, the upper back panel is just a flat piece of plywood; it doesn't have louvers like the lower back panel. Anyone with a table saw could cut you something that would fit, or you could use a metal screen.
          I'm David. 'Dave' is someone else's name.

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          • #6
            Originally posted by David Anderson View Post
            Most people leave the upper rotor panel off because there's some consensus that it sounds better -- unless you have some compelling reason that it needs to be covered, like small children who might stick their hands in there.
            Or if Mike is around. He's a clumsy fool sometimes.

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            • #7
              thanks David, i'll take that as a suggestion. i do own a table saw and i might decide to cut a piece of wood that would cover the opening at the upper rotor because sometimes children come to my house and you just never know.

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              • #8
                A screen or some sort of grille cloth might be a good compromise.
                I'm David. 'Dave' is someone else's name.

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                • #9
                  Originally posted by 4hammonds View Post
                  thank you Joe, thank you goff. these two different answers make sense now, months ago i measured the height in the cavity of the upper rotor of a leslie 145 to compare it to my 147 which happens to be an RV and it was higher in comparison to the 145. so the only difference is in the upper rotor cavity. i didn't know the reverb amp will make a difference here!

                  i was about to purchase these two pieces from e bay and i don't know what to do now just thinking that if i buy them there's gonna be a big gap at the upper rotor unless someone in the forum have a suggestion. thank you guys!
                  I have the 122rv and I did the same thing you're trying to do buying covers off of eBay.

                  It will be real luck to find an upper for an RV cab as they are not as plentiful.

                  I just found a basic top and bottom cover for the 122/147 series and as you can see this is how they fit.

                  Anything to keep things out of the cavities.

                  Click image for larger version  Name:	122rv goff.jpg Views:	0 Size:	185.1 KB ID:	651397
                  The gaps actually help the upper rotor's sound to exit from the rear since there are no louvers. The back side of the upper cover has some sort of sound absorption material on it, came with the panel. There's a hole with a sticker on the left that says "Oil Here."

                  The original RV upper cover looks like this:

                  Click image for larger version

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                  • #10
                    Originally posted by 4hammonds View Post
                    thanks David, i'll take that as a suggestion. i do own a table saw and i might decide to cut a piece of wood that would cover the opening at the upper rotor because sometimes children come to my house and you just never know.
                    If you are going to cover the openings to stop people sticking their fingers in, why not just turn it so that the back is against the wall?
                    Hammond C3, M102, H112, XB3, XB5, X5, TTR-100
                    Lowrey Heritage DSO-1, Yamaha E70
                    Farfisa Compact Duo Mk2, Vox Continental 300, Gibson G201, Korg BX3 Mk1
                    Leslie 122 x2, 145 x2, 910
                    www.drawbardave.co.uk

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                    • KC9UDX
                      KC9UDX commented
                      Editing a comment
                      Not everyone keeps their Leslie against a wall. Mine would be in the centre of the room if it weren't for the fact that the controls are on it (so I keep it next to the organ).

                  • #11
                    one of two reason was to keep children from sticking their hands in there and one other reasons was to have the entire leslie complete in case i decide to sell it along with my RT3 in the future.

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                    • #12
                      thanks for the pictures Goff

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                      • #13
                        You can also use pegboard.Click image for larger versionName:	91U0jpeMDAL._SY606_.jpgViews:	0Size:	54.7 KBID:	651404
                        This is the rear of the Leslie 222 model below
                        Click image for larger version

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