Infinity Kappa Benutzerhandbuch
8 – Infinity Kappa 202a Power Amplifier
T R O U B L E S H O O T I N G
Use the following guide to identify symptoms and solve
problems. Make sure the vehicle’s electrical system is
working properly and power is reaching the Kappa 202a
(i.e., green LEDs on the top panel are on).
problems. Make sure the vehicle’s electrical system is
working properly and power is reaching the Kappa 202a
(i.e., green LEDs on the top panel are on).
SYMPTOM
LIKELY CAUSE
SOLUTION
No audio
Low /No Remote
Check connections;
Turn-On Voltage
test turn-on voltage
Speakers are not
Check wiring; use
connected or are
VOM/DVM to
blown
measure speaker
coil impedance
coil impedance
Distorted audio
Input sensitivity
See Setting Input
and/or bass control
Sensitivity and
is not set properly
Setting DBO
on previous page
on previous page
Audio lacks
Speakers are wired
Check polarity of
“punch”
with wrong polarity
connections; refer to
Applications (page 3 )
Applications (page 3 )
SYMPTOM
LIKELY CAUSE
SOLUTION
Audio cycles
A protection circuit
Verify the following–
off and on;
is turning the
electrical system is
Amber protec-
amplifier off and on
between 10 ~ 15.5 Vdc;
tion LEDs (on
temperature is not
top panel) are on
over 194°F (90°C);
no short circuits;
speaker loads are not
less than 1 ohm
(2 ohms in mono)
no short circuits;
speaker loads are not
less than 1 ohm
(2 ohms in mono)
Audio cycles
GAIN is set too high
Set Input Sensitivity
off and on;
correctly (see previous
Amber protection
page)
LEDs (on top
panel) are on
panel) are on
Fuse blows
Incorrect wiring or
Check connections;
short circuit
refer to Applications
(see page 3)
(see page 3)
©1996, Infinity Systems, Inc., 20630 Nordhoff Street, Chatsworth, CA 91311, USA
VOICE (818) 407-0228 • FAX (818) 709-9486
www.infinitysystems.com
Infinity constantly strives to update and improve existing products, as well as create new ones; therefore, the specifications and construction details in this and related Infinity
publications are subject to change without notice. Dynamic Bass Optimizer and Unibloc are trademarks of Infinity Systems, Inc. Weco is a registered trademark of Weco, Inc.
publications are subject to change without notice. Dynamic Bass Optimizer and Unibloc are trademarks of Infinity Systems, Inc. Weco is a registered trademark of Weco, Inc.
®
P/N SH1104 Rev. 3
S P E C I F I C A T I O N S
K
A P P A
2 0 2
A
. . .
Power Output, 4 ohms:
2 x 200 watts
Power Output, 2 ohms:
2 x 300 watts
Power Output, Bridged 4 ohms: 600 watts
Frequency Response:
20 Hz ~ 20 kHz
Input Sensitivity:
250 mV ~ 9 V
THD + Noise (4 ohms):
0.05 %
Signal-to-Noise:
> 95 dB
Maximum Current Draw:
80 A
Dimensions (w x h x l):
19
1
⁄
2
x 2
3
⁄
16
x 8
1
⁄
2
in.
495.3 x 55.6 x 215.9 mm
-9
-6
-3
0
-12
20
80
Freq. (Hz)
dB
DBO FREQ Control
(adjusts cut-off
frequency)
-6
0
6
12
-12
20
80
Freq. (Hz)
dB
DBO Q Control
(adjusts boost amount
at cut-off frequency)
Figure 9. Frequency response curves show range of Kappa 202a
DBO controls.
DBO controls.