FINAL FABRICATION
PORT allows you to vary the port tube diameter (for vented boxes of
course) and calculate the proper length considering this diameter.
To enter the PORT function, cursor until you highlight PORT, hit ENTER and
a window will open up showing the tuning frequency(s) for the box.
The
cursor highlights the area asking for a diameter, enter a diameter (for
example, 4.0 inches), hit ENTER, and the port tube length for this tuning
frequency and diameter will be shown.
You
keep in mind that the port
may become too long inside a particular box but this can be easily
remedied by using and shaped PVC.
measure along the center
area of the bends to get the proper length.
BLAUPUNKT
SCREEN 2 FINAL BOX FABRICATION
MODIFY DIMENSIONS PORT BOX MATH
DRAW BOX
Design Port for Box 2
Port Diameter:
3.000 IN
Port Length
1.79 IN
=
0.375
= 0.5
5/a 0.625
= 0.75
= 0.875
Accept
Material Thickness: 0.750
(
I N C H E S
)
Select Box
Choose Port Sizes
= HELP
ESC MAIN MENU
BOX
MATH
is the same
calculator as inside Screen 1 which allows you to convert
dimensions and volumes commonly found in the speaker building process.
To enter BOX
highlight BOX MATH, hit ENTER, and a window opens
offering you several conversions.
in a car,
For example, when measuring the trunk
most people use a ruler in inches.
x inches] you get cubic inches,
Multiplying [inches x inches
this to cubic feet.
but many people may not be able to convert
Simply cursor down using the arrow keys, highlight
CONVERT CUBIC IN TO CUBIC FT, hit the ENTER key, enter the value in cubic
inches,
and the value in cubic feet will be shown.
---
BLAUPUNKT
SCREEN 2 FINAL BOX FABRICATION
BOX SHAPE
MODIFY DIMENSIONS
PORT BOX MATH DRAW BOX
.
Cu In:
2147.00
Ft:
1.24
ESC: Quit
Material Thickness: 0.750 (INCHES)
Convert Cubic
to Cubic Feet
= HELP
ESC = MAIN MENU
Summary of Contents for Blaubox
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