Robin Smith
Stunt Coordinator
- Joined
- Sep 27, 2000
- Messages
- 184
I am trying to get the numbers for my sonosub design and am sooo lost in LspCAD. I have looked through some past posts and still can't find what I need. I have entered some different numbers to explore but can't make sense of what I see.
How do I decide what volume is ideal?
In LspCAD, how do I know what it is tuned to? (i.e. Which window gives me this number).
What are the Ql and Qa numbers for?
What about fill %age for a sonotube.
I have the Dayton 15" DVC but am using the Tempest numbers as they are roughly the same (and it is all I've got to go on).
It's going in a sonotube of 20.2" diameter and I'd like to use a 4" flared port (which I can buy locally).
Basically, I am trying to work out how long my tube needs to be and how long my flared port needs to be and what the resultant tuning will be.
I want to tune for 20Hz unless someone can explain to me why I would want to go lower.
As an example, I entered Pat's Sunosub III numbers (since it similar to the specs of my sub other than the tube diameter) but I couldn't find anything that told me it was the 16Hz he says it is tuned to. Where is this value read?
I know I have lots of questions but its obvious I am lost... Anyone who is willing to help me come up with the suitable numbers that would satisfy HT bass needs would get my appreciation for sure?
Thanks in advance
Robin Smith
How do I decide what volume is ideal?
In LspCAD, how do I know what it is tuned to? (i.e. Which window gives me this number).
What are the Ql and Qa numbers for?
What about fill %age for a sonotube.
I have the Dayton 15" DVC but am using the Tempest numbers as they are roughly the same (and it is all I've got to go on).
It's going in a sonotube of 20.2" diameter and I'd like to use a 4" flared port (which I can buy locally).
Basically, I am trying to work out how long my tube needs to be and how long my flared port needs to be and what the resultant tuning will be.
I want to tune for 20Hz unless someone can explain to me why I would want to go lower.
As an example, I entered Pat's Sunosub III numbers (since it similar to the specs of my sub other than the tube diameter) but I couldn't find anything that told me it was the 16Hz he says it is tuned to. Where is this value read?
I know I have lots of questions but its obvious I am lost... Anyone who is willing to help me come up with the suitable numbers that would satisfy HT bass needs would get my appreciation for sure?
Thanks in advance
Robin Smith