| 
				
				
				 | 
				
				
				
				 
				 
¡@
					
						
							
							
							  
							 
							 | 
							
							
								
									
										| 
										MODEL: | 
									 
									
										| 
										PT-1740W | 
									 
									
										
										
										  
										 
										 | 
									 
							 
							 | 
						 
						
							 | 
						 
						
							
							
							  | 
						 
						
							
							
								
									
										| 
										Dimension: | 
									 
									
										
										
										  
										  | 
									 
									
										| 
										Electrical   Characteristics: | 
									 
									
										
										
											
												
												
											
											
												
													| 
													Model No. | 
													
													PT-1740W | 
												 
												
													| 
													Rated Voltage 
													(Vp-p) | 
													
													3 | 
												 
												
													| 
													Operating 
													Voltage (Vp-p) | 
													
													1¡ã30 | 
												 
												
													| 
													Resonant 
													Frequency (Hz) | 
													
													4000¡Ó500 | 
												 
												
													| 
													Capacitance at 
													120Hz (pF) | 
													
													15000¡Ó30% | 
												 
												
													| 
													*Sound Output 
													at 10cm (dB) | 
													
													≥78 | 
												 
												
													| 
													*Current 
													Consumption (mA) | 
													
													2max | 
												 
												
													| 
													Operating 
													Temperature (¢J) | 
													
													-20¡ã+60 | 
												 
												
													| 
													Storage 
													Temperature (¢J) | 
													
													-30¡ã+70 | 
												 
												
													| 
													Weight (g) | 
													
													1 | 
												 
												
													| 
													Case material 
													and colour | 
													
													ABS/Black | 
												 
												
													| 
													*Applying rated voltage 
													(Resonant frequency, Square 
													wave) | 
												 
										 
										 | 
									 
									
										| 
										Frequency  Response:  | 
									 
									
										
										
										  
										 
										 | 
									 
							 
							 | 
						 
						
							 | 
						 
						
							
							
							  | 
						 
						
							| ¡@ | 
						 
						
							| ¡@ | 
						 
				 
				 | 
				¡@ |