Planar Speaker Asylum

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Planar Speaker Asylum

RE: Cheesy Jumpers

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In Reply to: RE: Cheesy Jumpers posted by pictureguy on October 11, 2010 at 17:50:48

Yeah, it definitely seems off. Doesn't mean it actually makes a difference, though. The resistance isn't going to be significant, and I'm guessing that saturation effects/hysteresis aren't either, not much of a B field. The plating, OTOH, is a joke.

Follow Ups:

RE: Cheesy Jumpers - pictureguy 18:29:02 10/11/10 (6)
The ONLY thing I can think of is some kind of bi-metalic effect from all those layers. I kind of doubt that has a real, audible effect. But now that I've started pulling those jumpers, I'm all-in.

When i have the connection panel off tomorrow, I'm going to for sure see what it would take to replace those awful banana connectors. Or I may wait to get rid of the jumpers when I reframe.
Too much is never enough
- bypassing vs eliminating - wazoo 20:50:55 10/11/10 (3)
  When you remove the connection plate, have a look at the way your speakers are wired. I imagine they are just like the MMGs in that all it takes to eliminate the jumpers and fuses is the relocation of a wire - remove a couple of nuts and move the wire that leads to the XO from the fuse to the point where the wire leads to the jumper (saying this from very old memory and I'm not on the computer which has my photos right now). Anyway, it's pretty darn obvious when you remove that plate and have a look. I think it's better to get rid of that extraneous stuff than to improve it (sorry, this makes your new jumpers superfluous). This is also an easily reversible tweak (should that be of concern to you).
  
  Have fun!
  
  "Jazz is not dead - it just smells funny" FZ
  - RE: bypassing vs eliminating - pictureguy 23:04:44 10/11/10 (2)
    Yeah, it'll take longer to heat up the soldering iron and to unscrew the plates than to do the actual work on swapping a wire from one side of the fuse to the other.
    As for removing the jumpers? Not quite yet. I MAY (20% chance) experiment with biwire. Other than that, all the big, permanent changes will come in a year ++ when I reframe and transfer the crossover to an external box.
    
    When I have the plate off, I'll evaluate the chance of swapping out those banana jacks for some real binding posts.....
    
    Too much is never enough
    - no soldering required - wazoo 06:42:35 10/12/10 (1)
      That's the beauty of what I was recommending, but that's contingent upon the 1.6s being wired in the same manner as the MMGs (the only Maggies on which I've ever performed surgery). The wires have rings crimped on their ends which are secured to the binding posts via nuts. All this requires is the removal of a couple of nuts and the relocation of a wire (with its ring attached) and then the reinstallation of those nuts - done. As you so accurately stated, taking the connection plate off the back of the speaker takes longer to do (well, it's close).
      
      You could just do this for the moment as it only talkes a few minutes to undo should you decide to biwire in the future. Perhaps, by (or before) that time, you will be ready to change your binding posts, so you'll be back in them again anyway.
      
      "Jazz is not dead - it just smells funny" FZ
      - RE: no soldering required - pictureguy 08:51:35 10/12/10 (0)
        
        In Reply to: RE: no soldering required posted by wazoo on October 12, 2010 at 06:42:35
        
        Waz,
        You've got me scared to remove the back plate. Once I see how awful it is, I know I'll be into it for hours. All that junk's gotta go. When I do the Big Rebuild after the reframe, I'd even be tempted to go up 1 gauge in wire and certainly eliminate all those extra connections.
        
        I've peeked thru the sock with a strong flashlight and spotted a terminal strip. That may have to go, as well.
        
        I'm going to play this one 'on the fly' and wait until I can address it properly.
        
        thanks::
        Too much is never enough
- RE: Cheesy Jumpers - josh358 18:41:43 10/11/10 (1)
  I don't think it's that hard to replace them. Just keep the old parts so you can put it back together if you ever sell them used . . .
  - RE: Cheesy Jumpers - pictureguy 17:13:20 10/13/10 (0)
    Unless I win the Lotto, I'll be buried in the box they came in.
    
    However, saving parts is always a good idea!
    Too much is never enough

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