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  • Using T-500 leslie

    Can I use a T-500 leslie in an E-300? It would be a nice addition to it without the expense of an external.
    Last edited by Scooter; 09-10-2018, 09:20 PM.

  • #2
    If there's enough room, I can't see a problem. Ideally it would be mounted at the opposite end to the reverb speaker (though that could always be moved if required).

    You'd have to work out how to switch the audio between the straight speakers and the leslie, put in a crossover so that low frequencies go to the straight speakers and make sure that the combined impedance of speakers and crossover are what the amp expect. (Maybe looking at the T series schematics would help.) And of course you need to sort out the speed switching. Again, T series schematics would give you this and indeed the two Leslie switches from a T200 or T400 would cosmetically match the E300 - you could mount them on the left cheek block.

    If you've got a whole donor T500 rather than just the leslie, you'll have a crossover and coloured leslie tabs already, of course!

    In use, it should sound pretty much like a T would, but with organ sounds, pedal sounds and reverb spatially separated.
    It's not what you play. It's not how you play. It's the fact that you're playing that counts.

    New website now live - www.andrew-gilbert.com

    Current instruments: Roland Atelier AT900 Platinum Edition, Yamaha Genos, Yamaha PSR-S970, Kawai K1m
    Retired Organs: Lots! Kawai SR6 x 2, Hammond L122, T402, T500 x 2, X5. Conn Martinique and 652. Gulbransen 2102 Pacemaker. Kimball Temptation.
    Retired Leslies, 147, 145 x 2, 760 x 2, 710, 415 x 2.
    Retired synths: Korg 700, Roland SH1000, Jen Superstringer, Kawai S100F, Kawai S100P, Kawai K1

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    • #3
      Factoring in the work required, cost of parts and potential bench time charged by a technician, it would be a much more attractive proposal to invest in a Mini Vent II
      Current:
      1971 T-202 with Carsten Meyer mods: Remove key click filters, single-trigger percussion, UM 16' drawbar volume correction. Lower Manual bass foldback.
      Korg CX3 (original 1980's analogue model).
      1967 Leslie 122 with custom inbuilt preamp on back panel for 1/4" line-level inputs, bass & treble controls. Horn diffusers intact.
      2009 Marshall 2061x HW Plexi head into Marshall 4x12 cabinet.

      Former:
      1964 C3
      196x M-102
      197x X5
      197x Leslie 825

      Comment


      • #4
        Fair point, but the Vent is designed, as its own blurb says, to emulate the sound of a miked-up Leslie. And it does it very well, IMHO. However, it still won't sound like a leslie will if you're standing a few feet away - I tried that when I reviewed the Vent!

        So if you have the bits and the skills, and don't mind spending the time to do the work, I'd say go for it, and make something that's unique. I don't think even those crazy guys at Hammond Europe put a leslie in an E. An L, yes, but not an E.
        It's not what you play. It's not how you play. It's the fact that you're playing that counts.

        New website now live - www.andrew-gilbert.com

        Current instruments: Roland Atelier AT900 Platinum Edition, Yamaha Genos, Yamaha PSR-S970, Kawai K1m
        Retired Organs: Lots! Kawai SR6 x 2, Hammond L122, T402, T500 x 2, X5. Conn Martinique and 652. Gulbransen 2102 Pacemaker. Kimball Temptation.
        Retired Leslies, 147, 145 x 2, 760 x 2, 710, 415 x 2.
        Retired synths: Korg 700, Roland SH1000, Jen Superstringer, Kawai S100F, Kawai S100P, Kawai K1

        Comment


        • #5
          I'm not familiar with the details of the T-500 Leslie, but I did something similar with my M-111 using a Yamaha "Leslie", and had to solve the same issues Andy alludes to above. I wrote it all up here: http://www.stefanv.com/electronics/hammond_rotary.html

          Perhaps some of what I did or wrote there can be useful in figuring out what you need to do.
          Stefan Vorkoetter: http://www.stefanv.com

          1962 Hammond M-111 with Improved Vibrato, Internal Rotary Speaker, Drum Machine,
          Window Seat Tone Cabinets, Completely Rebuilt Amplifier, and Recapped Tone Generator.
          1978 PAiA 1550 Stringz'n'Thingz with many enhancements.
          2017 Raspberry Pi organ-top synthesizer.

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          • #6
            Thank you everyone. It will take me a while to accomplish "something," but when I'm done I'll be back with a report.

            Comment


            • #7
              Bad news! Sunday while playing the Postlude, my E suddenly started losing volume and now has only about 35-40% of the volume it would have with a full expression pedal and it is very distorted sounding. I've replaced a bunch of tubes including both rectifier tubes to no avail. I'm afraid I might have to replace the transformer. Any suggestions?

              Comment


              • #8
                Have you cleaned all the RCA plugs and rotated them?

                The Vent, by the way, goes between the pedal and amp on an E very easily with two RCA to 1/4 connectors + one female-to-female RCA coupler. This is also an easy place to Y-it off and put in a small amp for a donated Leslie.
                -- I'm Lamar -- Allen TC-4 Classic -- 1899 Kimball, Rodgers W5000C, Conn 643, Hammond M3, L-102 - "Let no man belong to another who can belong to himself." (Alterius non sit qui suus esse potest​ -) ​Paracelsus

                Comment


                • #9
                  I had already done that with the RCA plugs.

                  Comment


                  • #10
                    Originally posted by Scooter View Post
                    Bad news! Sunday while playing the Postlude, my E suddenly started losing volume and now has only about 35-40% of the volume it would have with a full expression pedal and it is very distorted sounding. I've replaced a bunch of tubes including both rectifier tubes to no avail. I'm afraid I might have to replace the transformer. Any suggestions?
                    Power supply caps?
                    It's not what you play. It's not how you play. It's the fact that you're playing that counts.

                    New website now live - www.andrew-gilbert.com

                    Current instruments: Roland Atelier AT900 Platinum Edition, Yamaha Genos, Yamaha PSR-S970, Kawai K1m
                    Retired Organs: Lots! Kawai SR6 x 2, Hammond L122, T402, T500 x 2, X5. Conn Martinique and 652. Gulbransen 2102 Pacemaker. Kimball Temptation.
                    Retired Leslies, 147, 145 x 2, 760 x 2, 710, 415 x 2.
                    Retired synths: Korg 700, Roland SH1000, Jen Superstringer, Kawai S100F, Kawai S100P, Kawai K1

                    Comment


                    • #11
                      An older tech told me recently that transformer failures are rare compared to other things that can go wrong. I think I'd start looking at all the wire connections on the top panel, including the brightness switch.
                      Last edited by Silken Path; 09-21-2018, 06:36 AM.
                      -- I'm Lamar -- Allen TC-4 Classic -- 1899 Kimball, Rodgers W5000C, Conn 643, Hammond M3, L-102 - "Let no man belong to another who can belong to himself." (Alterius non sit qui suus esse potest​ -) ​Paracelsus

                      Comment


                      • #12
                        Originally posted by Silken Path View Post
                        An older tech told me recently that transformer failures are rare compared to other things that can go wrong. I think I'd start looking at all the wire connections on the top panel, including the brightness switch.
                        The brightness switch?

                        Comment


                        • #13
                          We're talking about the E, right? On mine it's called "Volume Soft" but I remember right, it either cuts in a resistor or cuts it out.
                          -- I'm Lamar -- Allen TC-4 Classic -- 1899 Kimball, Rodgers W5000C, Conn 643, Hammond M3, L-102 - "Let no man belong to another who can belong to himself." (Alterius non sit qui suus esse potest​ -) ​Paracelsus

                          Comment


                          • #14
                            OK. I had already tried that but it functioned properly. Thank you, though.

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                            • #15
                              So, this happened. Just as I began my last hymn this last Sunday, Sept. 30, all of a sudden the volume comes back, first in a few short bursts and then complete as if there had never been anything wrong. It lasted through the hymn and until the last line of my Postlude when it being going loud and soft back and forth continually until it was back to low volume with the distortion again. Good grief!!

                              Comment

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