Measurement speakers ( speakers, jargon " unit " ) to calculate the size of the effective vibration radius. Ie not pressed into the outer edge of the cone fixed apron diameter count , it is customary for the speaker diameter in inches .
Most people use mostly Car Speaker metric ruler , measure how many centimeters the cone diameter , divided by 2.54 ( 2.54 centimeters equals one inch ) , is an inch.
4 -inch speaker : the screw holes on the angular distance is 11.5 cm , adjacent pitch 8 cm , horn diameter is 10 cm ;
5-inch speaker : the screw holes on the angular distance is 13.5 cm , adjacent pitch 9.5 cm , diameter 13 cm ;
6.5 -inch speaker : the screw holes on the angular distance is 15.5 cm , adjacent pitch 11 cm , diameter 16.5 cm ;
4X6 inch screw holes adjacent bookshelf speaker distance is 12.3 cm and 7.3 cm ;
6X9 inch screw holes adjacent distance is 16.5 cm , respectively, and 11 cm .
2014年1月23日星期四
2014年1月17日星期五
How to correctly use the horn ?
During the day, as people affected by the sun , the light signal is relatively weak reaction to the car . Therefore , daytime running vehicles generally use acoustic signals to remind people , to let people know the approximate distance and direction of the vehicle. But because of some drivers , regardless of the occasion, habits and frequent use of car horns leaving it very offensive , resulting in the current section of the city and many of the city 's district banned in most motor Car
Speaker vehicle whistle ; On the contrary , there are some drivers in Shique should not use the car horn , resulting in a traffic accident .
Regardless Hao Jinming , paste mess blind by some good . In driving the process , the driver correctly whistle, traffic safety will bring huge benefits.
1 , as much as possible ahead of the front of the whistle to remind pedestrians and vehicles , do not wait has been very close to the pedestrian and the vehicle ahead whistle ; remind pedestrians to avoid using whistles , causing pedestrians to avoid panic . ( Pedestrian Once panic, it is difficult to grasp the law of action )
2 , other emergency situations in case you did not notice triggered , brakes plus whistle disposal than just the way you want to brake well ( electric horn tooting area ) ; in front of pedestrians and vehicles being squeezed when forced , the appropriate relative better than piccolo flute . ( Can cause each other to get your attention , to resolve Bluetooth Speaker common occurrence of the disaster )
3 , driving in the vast suburban road , do not use the whistle to save as much as possible with a short distance in front of the whistle to remind pedestrians and vehicles. ( A vast area on the outskirts of the highway will not be tooting it )
4 , in preparation for overtaking and overtaking process, try to remind and confirm with Piccolo in front of the vehicle driver . ( To be super driver of the vehicle will not be chatting phone? )
5 , after the whistle to remind pedestrians and vehicles in front of the role is confirmed, try not to whistle again. ( Word always repeated that really make people feel disgusted )
6 , the former had fork, fork , and the downtown section of town , ( except Jinming District ) ahead of deceleration and whistle . ( Fork, fork a lot of accidents happen )
7 , even if the vehicle traveling in the region Jinming should also ensure normal working conditions electric horn , in case of emergency situations. ( Even some of the police penalty shall also much easier than accident claims )
8 , met with a flute urged to avoid blocking the road in front of vehicles and pedestrians, people avoid using call whistle way .
9 in the evening to avoid traffic whistle , because the light signal conversion is far better than the role of whistle .
Regardless Hao Jinming , paste mess blind by some good . In driving the process , the driver correctly whistle, traffic safety will bring huge benefits.
1 , as much as possible ahead of the front of the whistle to remind pedestrians and vehicles , do not wait has been very close to the pedestrian and the vehicle ahead whistle ; remind pedestrians to avoid using whistles , causing pedestrians to avoid panic . ( Pedestrian Once panic, it is difficult to grasp the law of action )
2 , other emergency situations in case you did not notice triggered , brakes plus whistle disposal than just the way you want to brake well ( electric horn tooting area ) ; in front of pedestrians and vehicles being squeezed when forced , the appropriate relative better than piccolo flute . ( Can cause each other to get your attention , to resolve Bluetooth Speaker common occurrence of the disaster )
3 , driving in the vast suburban road , do not use the whistle to save as much as possible with a short distance in front of the whistle to remind pedestrians and vehicles. ( A vast area on the outskirts of the highway will not be tooting it )
4 , in preparation for overtaking and overtaking process, try to remind and confirm with Piccolo in front of the vehicle driver . ( To be super driver of the vehicle will not be chatting phone? )
5 , after the whistle to remind pedestrians and vehicles in front of the role is confirmed, try not to whistle again. ( Word always repeated that really make people feel disgusted )
6 , the former had fork, fork , and the downtown section of town , ( except Jinming District ) ahead of deceleration and whistle . ( Fork, fork a lot of accidents happen )
7 , even if the vehicle traveling in the region Jinming should also ensure normal working conditions electric horn , in case of emergency situations. ( Even some of the police penalty shall also much easier than accident claims )
8 , met with a flute urged to avoid blocking the road in front of vehicles and pedestrians, people avoid using call whistle way .
9 in the evening to avoid traffic whistle , because the light signal conversion is far better than the role of whistle .
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