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HAM Radio 1
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1985-10-24
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3KB
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59 lines
.OP
JBL INSIDE TOTAL JBL INSIDE TOTAL JBL INSIDE TOTAL
MODEL DIA. LENGTH MODEL DIA. LENGTH MODEL DIA. LENGTH
-------------------- --------------------- ---------------------
B380 4-1/8 9 4344 4-1/8 8-1/4 4509 2 5-1/4
B460 4-1/8 14-7/8 4345 4-1/8 8-1/4 4515 2-3/4 2-1/2
EN-5 5 8 4401 2 4-3/4 4518 4-1/8 8-3/4
EN-8 4-1/8 4-1/4 4411 3 6 4623 4-1/8 5-1/4
112 3 6 4425 2-1/2 6 4628 6 5-1/4
18Ti 2 4 4430 4-1/8 8-1/4 4680 2-3/4 3-1/4
216 2 3-1/4 4504 3 12-1/4 4691 3 5-3/4
320 2 4-3/4 4507 3 6 4695 4-1/8 7-1/2
4311 2-3/4 9 4508 5-5/16 4-1/4 8216 2 3-1/4
VOLUME TUNED ----------------- PORT DIMENSIONS -----------------
CU FT Hz DIAMETER AREA LENGTH VOLUME
----- ----- ---------------------------------------------------
0.5 50 2.5 in 4.9 in^2 8.7 in .02 ft^3
0.5 100 2.5 in 4.9 in^2 3/4 in --
1.0 50 3 in 7 in^2 5.4 in .02 ft^3
1.0 100 5 in 19.6 in^2 1.6 in .02 ft^3
2.0 30 3 in 7 in^2 8.3 in .03 ft^3
2.0 40 4 in 12.6 in^2 7.6 in .06 ft^3
2.0 60 5 in 19.6 in^2 3.6 in .04 ft^3
3.0 30 4 in 12.6 in^2 9.5 in .07 ft^3
3.0 40 5 in 19.6 in^2 7.3 in .08 ft^3
4.0 30 4 in 12.6 in^2 6.3 in .05 ft^3
4.0 40 5 in 19.6 in^2 4.5 in .05 ft^3
5.0 30 5 in 19.6 in^2 8 in .09 ft^3
5.0 40 5 in 19.6 in^2 2.9 in .03 ft^3
6.0 30 6 in 28.3 in^2 9.6 in .16 ft^3
6.0 40 6 in 28.3 in^2 3.5 in .06 ft^3
8.0 30 6 in 28.3 in^2 6.1 in .10 ft^3
8.0 40 6 in 28.3 in^2 1.5 in .02 ft^3
10.0 30 8 in 50.3 in^2 9 in .26 ft^3
10.0 40 8 in 50.3 in^2 4.6 in .13 ft^3
12.0 30 8 in 50.3 in^2 6.6 in .19 ft^3
12.0 40 8 in 50.3 in^2 1.2 in .03 ft^3
16.0 30 10 in 78.5 in^2 7.3 in .33 ft^3
16.0 40 9.9 in 76.2 in^2 3/4 in --
20.0 30 12 in 113 in^2 8 in .52 ft^3
20.0 40 12 in 113 in^2 3/4 in --
Use 30 Hz for monitors & PA, use 40 Hz for musical instrument amps.
Dashes indicate no duct; length is that of the baffle thickness (3/4").