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Jim Alfredson

Lookie what I just won...

19 posts in this topic

Yeah! ...and it's in your state too for pickup!

:tup

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Cool!. I'm not familiar with the 47 although I assume it's the 147's predecessor. It has 2 louvers at the top unlike a 21...which is interesting to me. Awesome Jim!

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It's basically a single-speed version of the 147, much like the 21H or 22 is to the 122.

It can be converted to dual-speed. I think what I'll do is put new motors in it and get a 122 amp for it, so I can use it as either a 147 or 122.

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It's basically a single-speed version of the 147, much like the 21H or 22 is to the 122.

It can be converted to dual-speed. I think what I'll do is put new motors in it and get a 122 amp for it, so I can use it as either a 147 or 122.

I got a 147 amp recently that had been converted to a 122. It was done in Philadelphia. My techs down here for years claimed it was near impossible to do, blah blah blah. Just goes to show Philadelphia knows their organ stuff, and just about everwhere else doesn't.

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I've actually heard (from someone that's done it) that converting a 147 to a 122 is fairly straight-ahead. After all, they use the same tubes and the same components. The real difference is that the audio of the 147 is single-ended (unbalanced) whereas the 122 is balanced.

But I think I'll keep this one amp as a 47 and get another 122 amp to swap out with it. Just this weekend I got a call for someone wanting to rent a 47-style Leslie and I didn't have one.

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Seeing these always reminds me of something I used to own when we were dealing art deco...

9s367f.JPG

1937 Zenith

Must be the basic size, shape, lines. Sigh...

Anyway, looks like you got a great deal, Jim. :tup

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Why, she's beautiful Jim. :tup

I hope we can hear it on yer next record.

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Just got home from picking up this beauty. The guy was about 2 hours from me, one-way. It's a beauty, though. I'll plug her in later today!

Woot!

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Warning: Organ ignorance follows.

Jim (or Soulstream, or...)

I don't get it. Just when I thought I understood Leslies, I see this, and I'm thinking, "how the hell does that speaker rotate?" Am I totally missing something?

0f_12.JPG

:huh:

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Warning: Organ ignorance follows.

Jim (or Soulstream, or...)

I don't get it. Just when I thought I understood Leslies, I see this, and I'm thinking, "how the hell does that speaker rotate?" Am I totally missing something?

:huh:

That woofer fires down into a baffle made of wood that rotates. In the picture that SS1 posted, you can see the baffle at the bottom (covered in cloth). Without the cloth, they look like this:

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewI...em=160031303427

Later, Leslie did invent the RotoSonic Leslie, which had a 6x9 speaker (or two) mounted inside a wooden rotor that spun around. But they don't sound as good as the 15" woofer downfiring into the baffle, imo.

EDIT: SS1, what happened to the pic of the 31H?

Edited by Jim Alfredson

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Here's a good picture of a Leslie, with the wooden rotor at the bottom. That 15" woofer is in the middle of the cabinet (the wooden back is on this Leslie... it was taken off for the photo you posted).

27_3.JPG

That wooden baffle is what rotates, not the speaker. It is "scooped" at one end, so sound only comes out of one side of it.

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Cool--that makes sense. Thanks for clarifying. I guess I've only seen the kind where the speaker itself is on a rotating platter, like the horns on the top part of the cabinet in SS1's picture.

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Well, those top horns are simply a baffle as well. The horn driver (high-frequency driver) is mounted below and fires up into the horns. Only the horns rotate (and only one side of the horn is actually "open" to allow sound out... the other is simply for balance) and the speaker is stationary.

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Jim, does this mean you're gonna fire up TWO Leslies in my house? :excited::ph34r:

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