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RE: Maggie 1.7i crossover schematic please!!

216.158.98.226

Roger Gustavsson

In Reply to: RE: Maggie 1.7i crossover schematic please!! posted by Roger Gustavsson on April 24, 2023 at 00:58:28

Found the schematic!

Follow Ups:

RE: Maggie 1.7i crossover schematic please!! - Davey 07:03:22 04/24/23 (7)
That schematic (from PG) is confusing.
This is the 1.7 schematic drawn with normal convention.

And, I'm not sure it's correct for the 1.7i.

Dave.
- RE: Maggie 1.7i crossover schematic please!! - pictureguy 23:31:48 04/27/23 (4)
  Magnepan's way of making certain nobody experiments with biamp ......
  Too much is never enough
  - RE: Maggie 1.7i crossover schematic please!! - Davey 07:02:45 04/28/23 (3)
    I don't believe they did it for just that reason, but it's probably had a significant effect in that direction. :)
    
    Dave.
    - RE: Maggie 1.7i crossover schematic please!! - pictureguy 22:41:16 04/29/23 (2)
      AGreed, I was being a LITTLE snarky.
      
      Magnepan has been a DIY speaker for a couple decades at least and now, they all seem to come with series crossover so that avenue is pretty much closed out....UNLESS you really get serious....
      
      But I'm not convinced the total circiit really is much different than a 'discrete', more traditional 2-way or 3-way.....
      Too much is never enough
      - RE: Maggie 1.7i crossover schematic please!! - TruMusic1 10:41:20 12/06/23 (0)
        
        In Reply to: RE: Maggie 1.7i crossover schematic please!! posted by pictureguy on April 29, 2023 at 23:41:16
        
        Series crossovers offer many advantages. Bud Fried was a strong proponent as well.
      - RE: Maggie 1.7i crossover schematic please!! - Davey 08:59:36 04/30/23 (0)
        
        In Reply to: RE: Maggie 1.7i crossover schematic please!! posted by pictureguy on April 29, 2023 at 22:41:16
        
        I dunno about that. The vast majority of Maggies in the field are probably unmodified and haven't endured any DIY efforts.
        
        The series "total circuit" is quite a bit different than a parallel configuration. But it's not an unusual thing for Magnepan. Many of their past models utilized series crossovers.
        
        In any case, it's still very straightforward for an enterprising DIY'er to reconfigure the speakers for a parallel crossover and/or bi-amp configuration.
        
        Dave.
- RE: Maggie 1.7i crossover schematic please!! - Golfnutintib 21:47:35 04/27/23 (1)
  I just wanted to confirm that R1 as shown is the external resistor to reduce tweeter output, correct? So if presently I am happy with the level of tweeter output, I would ignore that R1 if I were replicating an outboard XO using the specified caps and coils, yes?
  
  Thanks in advance.
  - RE: Maggie 1.7i crossover schematic please!! - Davey 22:01:29 04/27/23 (0)
    Yes, R1 is the optional resistor for tweeter attenuation.
    
    In my experience, the speakers are unlistenable without some sort of attenuation....either with the resistor or electronic equalization.
    
    Dave.

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