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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 17th March 2019, 04:40 PM   #101
freddi is offline freddi  United States
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Small La Scala Tutorial for noob
you could make a vented hybrid - it would be like a baby VOTT

Click the image to open in full size.

Click the image to open in full size.

Last edited by freddi; 17th March 2019 at 04:45 PM.
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Old 17th March 2019, 04:48 PM   #102
sumotan is offline sumotan  Indonesia
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Thank you so much Freddi. The response looks so much better then the mini La Scala.
Sorry dimension of horn to be build as per drawing that I forwarded ?

Cheers
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Old 17th March 2019, 06:56 PM   #103
freddi is offline freddi  United States
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Small La Scala Tutorial for noob
maybe GM would translate something like below to a folded "BIB" form

you could ask Godzilla at the fullrange forum - I think 2M path length would be a good compromise

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Old 18th March 2019, 12:56 AM   #104
sumotan is offline sumotan  Indonesia
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Thank you again Freddi. Re post 101, is the simulation base on the drawing that I forwarded or is it as stated a 0.83 scale down cause that drawing is already scale down for a 10 inch woofer. Sorry am a little confused now.

Many thanks again
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Old 18th March 2019, 01:58 AM   #105
GM is offline GM  United States
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Quote:
Originally Posted by sumotan View Post
Thank you both so kindly for the effort & tutorial. Firstly there’s no corner in my listening space cause it pretty wide, closest to the back wall will be like 2 ft away. My ML are about 5.5 ft away from the back wall.
Anyway while surfing, I came across a thread in this forum way back in 2010.
I saw this Fostex 206 like backloaded horn with a 10 inch woofer, so I message the gentleman asking if I could some how use the 10FW64, his reply was that the 10FW64 is best with front loading like Altec speakers, well the only Altec that I know is the A7. Lol

Again thank you both very much. Cheers
You're welcome!

Lansing/Altec originally made 'W' [mid] bass bins under license, switching to in-house designed truncated, vented FLHs after WWII and reintroduced them with the 1215A in the mid '70s, but was apparently too 'old tech'/whatever by then, so were dropped pretty quick, but they did put out a lot of SPL for the times.

The single 15" 110 Hz A7 small cinema series is the 'baby' of the dual 15" 70 Hz 'A' series cinema system.

Anyway, this has become so 'rambling'/'grabbing at straws'/'throwing stuff at walls to see what sticks' thread [maybe one of these gets my point across in your native tongue] that without complete details of the room/layout, signal chain, performance goals, I'm just going to spectate.

GM
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Old 18th March 2019, 02:18 AM   #106
sumotan is offline sumotan  Indonesia
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Thank you GM I understand what your saying. No experience or knowledge with horns speakers accept listening to a friends A7 in free space. All I have is an idea & want to build a small set up to test & learn from it.

Cheers
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Old 21st March 2019, 05:59 AM   #107
freddi is offline freddi  United States
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Small La Scala Tutorial for noob
have you found something for 10FW64? it displays a little "bump" at cufoff in some sims -
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Old 21st March 2019, 06:47 AM   #108
sumotan is offline sumotan  Indonesia
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Hi Freddi how are you ? Have not found anything yet but some how I'm still fixated on trying it out in the small la scala bass bin. Reason I did a short listening test on the jbl. In my room it sounded surprisingly smooth with the HF94 horns very unlike horns that I've listen too, it's not the upfront forward kind of presentation. This leads me to reconsider the type of box alignment that I should be using for the 10Fw64. If I were to use something like the MT130 which was design for long distance coverage for outdoor purpose it surely will for sound good in my room with it's narrow dispersion. Btw there was a 0.63 scale down simulation that you did for the 10Lw64 that looks pretty smooth, what enclosure did you it model on ?
Thank you kindly again for all your advice, tutorial & help. As I do more research I'm slowly getting to grips with horn speakers & hopefully will understand much more.

Cheers
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Old 21st March 2019, 07:06 AM   #109
freddi is offline freddi  United States
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Small La Scala Tutorial for noob
("old and beat" - maybe it was something "0.83 in scale?) here's a 0.66 scale Classic vs 0.66 La Scala

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