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Maximum Recommended
Amplifier Power listed in the
specifications of your specific
JBL speaker.  This margin of
reserve power will ensure that
the amplifier will not attempt to
deliver more power than its
design allows. Your dealer will
be happy to point out which high
power JBL amplifiers are opti-
mum for your application and lis-
tening habits.

Following these guidelines

will provide virtually distortion
free sound reproduction and long
loudspeaker life.

The most common difficul-

ties are noise, distortion, and
intermittent connections.

System noise is usually not

the fault of the 08GTi.  Hiss or
“alternator whine” is most often
the result of faulty grounding of
the system electronics or improp-
er setting of amplifier level con-
trols.  An exception to this is if
the protection network or passive
crossover is mounted near a
source of radiated noise, the net-
work may pick-up this noise with
sufficient power to drive the
08GTi tweeters.  For this reason,

08GTi Owners Manual  9/17/98 4:17 PM  Page 23

be careful not to mount any pas-
sive crossover components near
wires carrying high currents such
as battery cables or wires lead-
ing to ammeters or tachometers.

Distortion is usually the

result of overdriving one or more
components in the system.  The
problem is most likely insufficient
amplifier power, or improper set-
ting of gain controls.  Refer to
the instructions which came with
the electronics for assistance.
The 08GTi will sound distorted if
it is used without a crossover or
protection network.  It will also
not last very long.  Never use
the 08GTi without one of the

If you want to talk to us

about any problems, call JBL
Customer Service at 1-800-336-
4JBL(4525) between 9AM and
5PM eastern time.

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08GTi Owners Manual  9/17/98 4:17 PM  Page 24

25

Frequency response 
without crossover:
3.5kHz - 22kHz

Frequency response 
with supplied protection network:
5Khz - 22kHz

I.E.C. power handling with
included 5kHz Protection net-
work: 60 Watts RMS

Power handling with 3.5kHz
18dB/octave active crossover: 60
Watts RMS

Recommended system amp-
lifier power range: 20 Watts–
125 Watts RMS per channel 

Sensitivity:
92dB @ 2.83V / 1Meter

Dimensions:

Overall Diameter:
50mm / 1.95 inches

Height:
18mm / 0.69 inches

Height with angle adapter: 
38mm / 1.5 inches

Flush mount 
cutout diameter:
54mm / 2

1

⁄

8

inches

Flush mount depth: 
23mm / 0.9 inches

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