Cobra Car Alarm
10-09-2001, 11:51 AM
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Cobra Car Alarm
Does anyone else have a Cobra alarm fitted?
This is what was installed in mine but it is very sensitive. It can go off just when another car drives past it. Either I find a way to make the ultrasonics less sensitive or I might have to start disabling that part of the alarm.
This is what was installed in mine but it is very sensitive. It can go off just when another car drives past it. Either I find a way to make the ultrasonics less sensitive or I might have to start disabling that part of the alarm.
10-09-2001, 02:56 PM
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Are you sure they fitted ultrasonics as ultrasonics and convertibles don't go?
Ultrasonics require a rigid structure to fill and any deflection in a convertible will set the alarm off. Hopefully you're confusing them with microwave.
Ultrasonics require a rigid structure to fill and any deflection in a convertible will set the alarm off. Hopefully you're confusing them with microwave.
10-10-2001, 12:03 AM
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The pamphlet I got with the alarm talks about ultrasonics but is for models 7908/7918. My CAT1 certificate says a 7928 was installed so maybe that is different.
Showing my ignorance here but how are microwaves less susceptible to movement within the car than ultrasonics?
Showing my ignorance here but how are microwaves less susceptible to movement within the car than ultrasonics?
10-10-2001, 10:58 AM
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Ultrasonics require a solid structure to bounce back from and anything breaking the field sets of the alarm. Unfortunately with a soft top any flexing due to heavy wind or passing vehicles can disturb this and set
Microwaves don't need the solid structure and can even be set to have a field outside the car.I have them set on my car just flush with the glass so anyone getting too close gets a warning chirp but wind and deflection of the roof don't set them off.
Microwaves don't need the solid structure and can even be set to have a field outside the car.I have them set on my car just flush with the glass so anyone getting too close gets a warning chirp but wind and deflection of the roof don't set them off.
10-10-2001, 02:47 PM
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I wouldn't buy anything but a Clifford, expensive but they come with a lifetime replacement warranty.
As to aftermarket don't forgett the factory alarms are always put in the same place every time. It's not unknown for thieves to steal one, discover the layout of the alarm and have an easy time in the future.
As to aftermarket don't forgett the factory alarms are always put in the same place every time. It's not unknown for thieves to steal one, discover the layout of the alarm and have an easy time in the future.
10-11-2001, 01:51 AM
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I've got a Clifford 300 (I think) in my Prelude. The fitter was a cowboy, but the alarm itself is top notch despite not being their top of the range model. It's got a microwave sensor and boot release kit, and came in at about 380 quid including fitting (80 quid for the solenoid boot release kit which you probably won't need on the S2k as it's already got an electronic release).
Don't get the Honda one, it's pants by comparison - just look at the threads on trying to get the boot to pop. Also battery life on the plip is rubbish.
Steve
Don't get the Honda one, it's pants by comparison - just look at the threads on trying to get the boot to pop. Also battery life on the plip is rubbish.
Steve
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