Munich High-End 2018 Ron Report: Stein Music Topline XL

Ron Resnick

Site Co-Owner, Administrator
Jan 25, 2015
6,036
595
113
Beverly Hills, CA
#1
Here is the Stein Music Topline XL Loudspeaker and Topline XL Subwoofer. I had never heard of the manufacturer or of the speaker before today.

The system is a pretty complicated-looking mix of horn + dynamic driver woofer tower, similar, it appears, to the larger Acapella designs. The woofer columns have a vertical array of forward-firing drivers, as well as a symmetrical pair of vertical arrays of angled-firing drivers.



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Each subwoofer tower contains eight 18" drivers.



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morricab

Well-Known Member
Apr 25, 2014
2,846
229
63
Switzerland
#2
Here is the Stein Music Topline XL Loudspeaker and Topline XL Subwoofer. I had never heard of the manufacturer or of the speaker before today.

The system is a pretty complicated-looking mix of horn + dynamic driver woofer tower, similar, it appears, to the larger Acapella designs. The woofer columns have a vertical array of forward-firing drivers, as well as a symmetrical pair of vertical arrays of angled-firing drivers.



View attachment 40906



View attachment 40907



Each subwoofer tower contains eight 18" drivers.



View attachment 40908



View attachment 40909
Did you like these? I thought there was a fair amount of potential that was unrealized.
 

morricab

Well-Known Member
Apr 25, 2014
2,846
229
63
Switzerland
#4
Are they running cardioid?
The main towers are open baffle, this means that all those drivers are doing some kind of dipolar response but the exact pattern could be complicated...not a simple figure 8 like a typical planar dipole. Also the Horns are very much forward firing only. Then you have separate sub towers that are possibly in a push/pull isobaric or bipolar design (unclear from the boxes).
 

Folsom

VIP/Donor
Oct 26, 2015
3,100
145
63
Eastern WA
#5
I don't think OB could run cardioid like that. You need a DSP to do it anyways. It's how the Kii3 is able to reduce room reflections without room treatment. While probably not used here, it would be a neat way to do bass drivers with horns.
 

morricab

Well-Known Member
Apr 25, 2014
2,846
229
63
Switzerland
#6
I don't think OB could run cardioid like that. You need a DSP to do it anyways. It's how the Kii3 is able to reduce room reflections without room treatment. While probably not used here, it would be a neat way to do bass drivers with horns.
It was open...I checked...curious like you.
 

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