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someone diy a scaled down 30.7 (kinda)

72.199.165.123

Green Lantern

is this our Andyr?
Poor man's 30.7

Edits: 05/18/21

Follow Ups:

RE: Indeed a 'diy scaled down 30.7'! ... - andyr 15:43:13 05/20/21 (4)
I put that ad on Aussie Audio Mart - and had no idea it would be replicated across their other sites.

Yes, the end of an era - nearly 30 years with Maggies. :-(( The combination of:
a. wanting to get some brownie points from wifey, and
b. the room really being overwhelmed by 4 large panels

... prompted me last year (during lockdown) to start thinking of what I could replace them with - which would:
a. satisfy me, musically, and
b. have a minimal impact on the room (which is not a man-cave), and
c. be 2-way active - and able to go down to where the subs would take over.

This is what I came up with:

They hand over to my subs (in the front corners of the room) at 100-160Hz - still playing with that - while the XO between mid/bass and ribbon is @ 2800Hz.

Yes, Tim - they were inspired by the Kyron 'Gaias'! :-))

Having no baffle, there is a big hole below 500Hz; I had originally thought I might get away with only one mid/bass driver but the REW measurements I did with this setup showed that this just wasn't going to happen! :-((

With four mid/bass drivers ... only a small amount of EQ is required on the mid/bass drivers, with:
* subs being attenuated by 12dB, and
* tweeters by 8dB.

Drivers are:
* mid/bass - SB Acoustics 6 1/2" 'Satori' Textreme driver (MW16TX-4), and
* tweeter - Satori ribbon tweeter (AT60NC-4).

They are completely satisfying to listen to - and my wife is delighted with them!

Andy
- if that's your DIY, te salute Don andyr! nt - farfetched 13:01:01 05/22/21 (1)
  .
  
  / optimally proportioned triangles are our friends
  - RE: Thank you! :-)) nt - andyr 15:05:21 05/22/21 (0)
    .
- Big change. - grantv 07:24:28 05/21/21 (1)
  Glad you're enjoying them Andy...
  - RE: Thanks, Grant - I certainly am! nt - andyr 16:13:50 05/21/21 (0)
    .
Well the seller listed is "andyr" so.... (nt) - Barry 09:46:40 05/19/21 (0)
Hmmmm
Gotta be - grantv 18:47:23 05/18/21 (7)
Andy, why selling?
- I hope AndyR has some ... - emailtim 09:08:53 05/19/21 (6)
  I hope AndyR has some 20.7's or 30.7's lined up as replacements.
  - That's what I'm assuming... - grantv 09:51:56 05/19/21 (5)
    He hasn't posted here for a few days... will see.
    - RE: That's what I'm assuming... - Roger Gustavsson 10:38:13 05/19/21 (4)
      Andy is downsizing.
      - Posted somewhere? - grantv 11:12:47 05/19/21 (3)
        
        In Reply to: RE: That's what I'm assuming... posted by Roger Gustavsson on May 19, 2021 at 10:38:13
        
        I somewhat get it if he's in that room he posted some time back, it was pretty small IIRC.
        
        RE: Posted somewhere? - Roger Gustavsson 01:26:07 05/20/21 (2)
        
        In Reply to: RE: Posted somewhere? posted by grantv on May 19, 2021 at 11:12:47
        
        I have seen pictures of what he will be using, it is not Magnepan but it is an open baffle design that will fit small rooms.
        
        RE: Posted somewhere? - emailtim 09:42:42 05/20/21 (1)
        
        In Reply to: RE: Posted somewhere? posted by Roger Gustavsson on May 20, 2021 at 01:26:07
        
        Thanks for the hint.
        
        Looks like AndyR is a true diehard DIY'er as we already knew !!!
        
        Reminds me of the Aussie Kyron designs.
        
        RE: Posted somewhere? - Roger Gustavsson 09:48:08 05/20/21 (0)
        
        In Reply to: RE: Posted somewhere? posted by emailtim on May 20, 2021 at 09:42:42
        
        I have some pictures from Andy. Maybe he will show them here.

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