P1220e - JBL Car Audio Info Sheet (repair manual)

p1220e info sheet
Model
P1220e
Pages
4 Few pages! See other manuals at the bottom of the first or last page.
Size
88 KB
Type
PDF
Document
Info Sheet
Brand
Device
Car Audio
File
p1220e.pdf
Date
Next: JBL P1220e (serv.man2) Info Sheet

Read JBL P1220e Info Sheet online

Service
By Werner Geiger, hd
[email protected]
07131/480-238 
Box Properties
--Description--
Name: 
Type: Vented Box
Shape: Prism, square (optimum)
--Box Parameters--
Vb =
 53,06 liters
V(total) =  57,68 liters
Fb =
 24,69 Hz
QL =
 6,798
F3 =
 31,08 Hz
Fill =
 normal
--Vents--
No. of Vents = 1
Vent shape = round
Vent ends = two flared
Dv =
 60, mm
Lv =
 228,5 mm
A
B
C
--External Dimensions--
A =  625,2 mm
B =  386,4 mm
C =  238,8 mm
--Wall Thickness--
Front =  18, mm
Side =  18, mm
Driver Properties
--Description--
Name: P1220
Type: Standard one-way driver
Company: JBL / Harman Consumer Group
Piston: Kevlar-Paper
Suspension: Nitrile-Butylene Rubber
Frame: Alu
Voice Coil: 80mm
Terminals: Plug
Magnet: Double Stack
--Configuration--
No. of Drivers = 1
--Mechanical Parameters--
Fs =
 28,2 Hz
Qms =
 5,99
Vas =
 54,4 liters
Cms =
 0,165 mm/N
Mms =
 192, g
Rms =
 5,715 kg/s
P-Dia =
 247,7 mm
Sd =
 482, sq.cm
--Electrical Parameters--
Qes =
 0,46
Re =
 3,8 ohms
Le =
 2,13 mH
Z =
 4, ohms
BL =
 16,7 Tm
Pe =
 400, watts
--Electromech. Parameters--
Qts =
 0,43
no =
 0,256 %
1-W SPL =  86,22 dB
2.83-V SPL = 89,46 dB
Page Two
Box Parts
top & bottom
front & back
sides
c
b
d
a
c
Box Shape: Optimum Square Prism
1 Top, 1 Bottom:  depth (c) = 274,8 mm
    width (b) = 422,4, thickness = 18, mm
1 Front, 1 Back:  height (a) = 625,2 mm
    width (d) = 386,4, thickness = 18, mm
2 Sides:  height (a) = 625,2 mm
    depth (c) = 274,8, thickness = 18, mm
--Driver Mounting--
   Mounting:  Flush
--Vent Parts--
1 Duct:  outside diameter (e) = 66,35 mm
    inside diameter (g) = 60, mm
    length (h) = 228,5 mm
vent
e
g
h
Page Three
Wiring Diagram
P1220
Page Four
Normalized Amplitude Response (dB-SPL/Hz)
BassBox 6 Pro
dB
6
0
-6
-12
-18
-24
-30
-36
5 Hz 10
50
100
500
1 K
5 K
10 K 20 K
Custom Amplitude Response (dB-SPL/Hz at 1 m) w/ 400, W
BassBox 6 Pro
dB
118
112
106
100
94
88
82
76
5 Hz 10
50
100
500
1 K
5 K
10 K 20 K
Cone Displacement (mm/Hz) with 400, watts
BassBox 6 Pro
mm
16
14
12
10
8
6
4
2
5 Hz 10
50
100
500
1 K
5 K
10 K 20 K
Vent Air Velocity (m/sec/Hz) with 400, watts
BassBox 6 Pro
m/s
48
42
36
30
24
18
12
6
5 Hz 10
50
100
500
1 K
5 K
10 K 20 K
System Impedance (ohms/Hz)
BassBox 6 Pro
ohms
80
70
60
50
40
30
20
10
5 Hz 10
50
100
500
1 K
5 K
10 K 20 K
Phase Response (deg/Hz)
BassBox 6 Pro
deg
90
0
-90
±180
90
0
-90
±180
5 Hz 10
50
100
500
1 K
5 K
10 K 20 K
Group Delay (msec/Hz)
BassBox 6 Pro
msec
24
20
16
12
8
4
0
-4
-8
5 Hz 10
50
100
500
1 K
5 K
10 K 20 K
Page of 4
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