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Multi-Way Conventional loudspeakers with crossovers

Small La Scala Tutorial for noob
Small La Scala Tutorial for noob
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Old 13th March 2019, 05:50 AM   #21
GM is offline GM  United States
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Location: Chamblee, Ga.
Quote:
Originally Posted by freddi View Post
hi GM- maybe hornresp got damaged when my pc hung up due to low RAM ? I ran the newest setup but that did not fix things - look at he error message
Hmm, please upload the record, so I can import it.

GM
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Old 13th March 2019, 06:36 AM   #22
freddi is offline freddi  United States
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Small La Scala Tutorial for noob
been up for nearly 24hr w. little sleep - so can't see well
Code:
ID=48.20
Ang=2.0 x Pi
Eg=2.00
Rg=0.00
Fta=22.58
S1=503.22
S2=861.26
Con=20.36
F12=0.00
S2=861.26
S3=789.48
Con=27.50
F23=0.00
S3=789.48
S4=1004.85
Con=0.01
F34=0.00
S4=1004.85
S5=3193.93
Con=33.66
F45=0.00
Sd=889.60
Bl=11.93
Cms=2.68E-04
Rms=2.33
Mmd=64.33
Le=0.96
Re=3.39
Nd=1
Vrc=58.00
Lrc=10.00
Fr=40.00
Tal=2.50
Vtc=480.58
Atc=251.61
Pmax=100
Xmax=5.0
Path=0.0
Mass=0.00
Re'=0.00
Leb=0.00
Le=0.00
Ke=0.00
Rss=0.00
Rms=0.00
Ams=0.00E+00
Fr1=0.00
Fr2=0.00
Fr3=0.00
Fr4=0.00
Tal1=100
Tal2=100
Tal3=100
Tal4=100
Comment=Klipsch K33E in High Fidelity La Scala Model - "Edgar"
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
FILTER
      0   0.01    0.0     -1      0   0.01    0.0     -1      0   0.01    0.0     -1
      0   0.01    0.0     -1      0   0.01    0.0     -1      0   0.01    0.0     -1
  100   25    0    0
  40.50.50.5
0.50.50.50.5
SSSS
0111
1011
0022
1111
111 
000
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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Old 13th March 2019, 06:49 AM   #23
David McBean is offline David McBean  Australia
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Quote:
Originally Posted by GM View Post
Hmm, please upload the record, so I can import it.
Hi GM,

Mystery solved :-).

Hornresp

Kind regards,

David
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Old 13th March 2019, 09:29 AM   #24
sumotan is offline sumotan  Indonesia
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Yes GM Eminence Delta 10a is what Im looking at now also.
Would be nice if I can find some vintage 10 inch deep cone paper woofers that has similar specs. There’s something about their tone in horn boxes.

Thank you again
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Old 13th March 2019, 02:46 PM   #25
freddi is offline freddi  United States
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Small La Scala Tutorial for noob
IF the baby La Scala (only about 2.3 cubic foot box) could be pushed into a good corner then it might be usable

here it is with GW1058
Click the image to open in full size.


Here's Delta 10A plus comparison of Delta 10A to GW1058

since the response may tilt up with the lower Q driver, might balance be as good or better with the Goldwood? (I'd trust Eminence for linearity)

Click the image to open in full size.
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Old 13th March 2019, 03:09 PM   #26
sumotan is offline sumotan  Indonesia
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Wow thanks very much Freddy for the simulation.
There’s around 7-8 db of dip bewteen 200-500 hz,
is there anyway to manipulate the dog house to flatten this out a little ?
Im wondering if increasing slot area might help .

Thanks again.
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Old 13th March 2019, 03:18 PM   #27
Godzilla is offline Godzilla  United States
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I love the look of the Belle and LS speakers - and I've heard the Belle's many years ago and loved their sound. The speakers were placed in corners and did not seem to lack bass. But the measurements posted would make me reconsider using this type of cabinet for a two-way speaker. It seems to be calling out for a midrange to transition between woofer and tweeter. Or maybe I'd consider a simpler bass cabinet solution and build something else that might allow the woofer to work better in a two-way.
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Old 13th March 2019, 03:26 PM   #28
sumotan is offline sumotan  Indonesia
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We share the same sentiments Godzilla. I heard the La Scala years ago too & it just sounds like no other especially from the bass bin. Size has always been an issue & if we can make this little LS work it might be great for all of us who has limited space to enjoy part of the LS sound.
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Old 13th March 2019, 03:33 PM   #29
freddi is offline freddi  United States
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Small La Scala Tutorial for noob
dunno if it would do a lot of good to open the throat slot - there's not much horn path at 2/3 scale. A full size La Scala rolls off below 110Hz outdoors. I think cramming a little horn into a corner is the best hope.

John Inlow's straight horns could probably work up reasonably high -until too beamy - they would need support below 130Hz and 100Hz depending upon
model

here's my 10 cubic foot Peavey FH1 outdoors. (I prefer a Karlson 12 - although certainly not sensitive but still ~100dB)

Click the image to open in full size.

my baby Belle for 12" has the look - might work well but I've not felt up to loading it. That's a K700 on top-
I've got a K600 for its midhorn. A real Belle used the K500.

I think a 12" driver version of the University Classic would make a nice folded midbass horn for a compact 4-way system using tapped horn or PPSL reflex for the bottom octave(s). Mine came out about an inch too small in the back chamber to fit a 12" driver so runs a low qts 10".

Click the image to open in full size.

Last edited by freddi; 13th March 2019 at 03:45 PM.
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Old 13th March 2019, 03:43 PM   #30
sumotan is offline sumotan  Indonesia
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Thank you Freddy. Would a zobel network help to flatten the dip out
a little ? The easy way out is off course to drop the idea & go with a 12 inch base reflex box but ???

Many thanks again

Btw Freddy you baby belle looks like the size of a LS is this correct ?

Thanks
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