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<input type="button" value="GO" onclick="Search('en')"> <br> <input type="radio" id="chk_product" name="ct" checked> Product <input type="radio" id="chk_document" name="ct"> Other <br> <br> </p> </td> <td width="1"></td> <!-- Right --> <td valign="top" align="right"> <div class="Path" align="left"> <div>Current:<a href="Default.asp">Home</a> &gt; Product > VoicePickUp > Ingtec Series</div> </div> <div class="Content2" align="left"> <table width="100%"> <tr> <td valign="top" align="left"> <center><h2>VCA-100P Concealed Microphone</h2></center> <table width="96%" style="border-top:1px solid #CCCCCC;" cellpadding=10> <tr> <td> The VCA-100P is a kind of High quality Voice Pick-up,consists of a highly sensitive microphone and a pre-amplifier. It is an option for the voice loggers and usually used in conjunction with a video camera in security monitoring applications. The gain of the pre-amplifier is adjustable in order to obtain the best recording quality under all situations. <DIV align=center></DIV> <DIV align=center><IMG src="/Images/Products_pic/VCA-100Psmall.gif"></DIV> <DIV align=center>&nbsp;</DIV> <DIV align=center>&nbsp;</DIV> <TABLE id=table3 border=1 cellSpacing=1 width=593> <TBODY> <TR> <TD width=207 align=middle><FONT color=#ff6600 face=Arial>PARAMETER</FONT></TD> <TD align=middle><FONT color=#ff6600 face=Arial>PERFORMANCE</FONT></TD></TR> <TR> <TD width=207><FONT color=#179317 face=Arial>CABLE LENGTH</FONT></TD> <TD><FONT color=#179317 face=Arial>Max. 3 kilometres</FONT></TD></TR> <TR> <TD width=207><FONT color=#179317 face=Arial>MONITOR RANGE</FONT></TD> <TD><FONT color=#179317 face=Arial>10 -50 sq.m.</FONT></TD></TR> <TR> <TD width=207><FONT color=#179317 face=Arial>FREQUENCY RESPONSE</FONT></TD> <TD><FONT color=#179317 face=Arial>20Hz  20KHz</FONT></TD></TR> <TR> <TD width=207><FONT color=#179317 face=Arial>LOW FREQUENCY ROLL-OFF</FONT></TD> <TD><FONT color=#179317 face=Arial>280 Hz, 18 dB/octave</FONT></TD></TR> <TR> <TD width=207><FONT color=#179317 face=Arial>SENSITIVITY</FONT></TD> <TD><FONT color=#179317 face=Arial>120dB/MW</FONT></TD></TR> <TR> <TD width=207><FONT color=#179317 face=Arial>SIGNAL-TO-NOISE RATIO</FONT></TD> <TD><FONT color=#179317 face=Arial>75 dB, 1 kHz at 1 Pa</FONT></TD></TR> <TR> <TD width=207><FONT color=#179317 face=Arial>POLAR PATTERN</FONT></TD> <TD><FONT color=#179317 face=Arial>Omnidirectional in hemisphere above mounting surface</FONT></TD></TR> <TR> <TD width=207><FONT color=#179317 face=Arial>OPEN CIRCUIT SENSITIVITY</FONT></TD> <TD><FONT color=#179317 face=Arial>-42dB(7.9mV) 0dB=1V/1Pa,1KHz</FONT></TD></TR> <TR> <TD width=207><FONT color=#179317 face=Arial>DYNAMICRANGE</FONT></TD> <TD><FONT color=#179317 face=Arial>104dB (1KHz at Max dB SPL)</FONT></TD></TR> <TR> <TD width=207><FONT color=#179317 face=Arial>MAXIMUM INPUT SOUND LEVEL</FONT></TD> <TD><FONT color=#179317 face=Arial>120dB SPL (1KHz,THD 1%)</FONT></TD></TR> <TR> <TD width=207><FONT color=#179317 face=Arial>MPEDANCE</FONT></TD> <TD><FONT color=#179317 face=Arial>20K&#8486; (None Balance)</FONT></TD></TR> <TR> <TD width=207><FONT color=#179317 face=Arial>OUTPUT SIGNAL EXTENT</FONT></TD> <TD><FONT color=#179317 face=Arial>2.5Vpp/-25db</FONT></TD></TR> <TR> <TD width=207><FONT color=#179317 face=Arial>ELEMENT</FONT></TD> <TD><FONT color=#179317 face=Arial>Fixed-charge back plate permanently polarized condenser</FONT></TD></TR> <TR> <TD width=207><FONT color=#179317 face=Arial>DIGATAL SIGNAL CIRCUIT</FONT></TD> <TD><FONT color=#179317 face=Arial>ASIC</FONT></TD></TR> <TR> <TD width=207><FONT color=#179317 face=Arial>PROTECT CIRCUIT</FONT></TD> <TD><FONT color=#179317 face=Arial>Built-in lightning stroke and power protection circuit</FONT></TD></TR> <TR> <TD width=207><FONT color=#179317 face=Arial>AUDIO PREAMP</FONT></TD> <TD><FONT color=#179317 face=Arial>Build-in audio preamp circuit </FONT></TD></TR> <TR> <TD width=207><FONT color=#179317 face=Arial>OUTPUT CONNECTOR</FONT></TD> <TD><FONT color=#179317 face=Arial>Power+, GND, Audio+, (3 Lines)</FONT></TD></TR> <TR> <TD width=207><FONT color=#179317 face=Arial>CABLE</FONT></TD> <TD><FONT color=#179317 face=Arial>4 cores line, Telephone line,shield cable</FONT></TD></TR> <TR> <TD width=207><FONT color=#179317 face=Arial>POWER VOLTAGE</FONT></TD> <TD><FONT color=#179317 face=Arial>DC 9V-15V(12V Recommended)</FONT></TD></TR> <TR> <TD width=207><FONT color=#179317 face=Arial>POWER CURRENT</FONT></TD> <TD><FONT color=#179317 face=Arial>15 mA</FONT></TD></TR> <TR> <TD width=207><FONT color=#179317 face=Arial>WORK TEMPERATURES</FONT></TD> <TD><FONT color=#179317 face=Arial>-25 - 70° C</FONT></TD></TR> <TR> <TD width=207><FONT color=#179317 face=Arial>Producing Area</FONT></TD> <TD><FONT color=#179317 face=Arial>Taiwan In China</FONT></TD></TR> <TR> <TD width=207><FONT color=#179317 face=Arial>SHELL'S MATERIAL</FONT></TD> <TD><FONT color=#179317 face=Arial>ABS</FONT></TD></TR> <TR> <TD width=207><FONT color=#179317 face=Arial>COLOR</FONT></TD> <TD><FONT color=#179317 face=Arial>White</FONT></TD></TR> <TR> <TD width=207><FONT color=#179317 face=Arial>DIMENSIONS</FONT></TD> <TD> <DIV align=left><FONT color=#179317 face=Arial>32mmצ74mm</FONT></DIV></TD></TR> <TR> <TD width=207><FONT color=#179317 face=Arial>ACCESSORIES FURNISHED</FONT></TD> <TD><FONT color=#179317 face=Arial>Soft protective pouch</FONT></TD></TR></TBODY></TABLE> </td> </tr> </table> </td> </tr> </table> </div> </td> </tr> </table> <div class="MiddleSideStyle" style="height:20px;">&#12288;</div> <div class="FooterSideStyle" style="background-color:#F4F8F6;padding-top:0px;"> <div style="border-top:2px solid #138779;"><img src="/images/space.gif"></div> <div style="margin-left:10px;text-align:left;margin-top:10px;"> <a href="Introduction.html"><font color="#179317">Introduction</font></a> <font color="#FF9900">|</font><font color="#179317"> </font> <a href="Contact_Us.html"> <font color="#179317">Contact Us</font></a> <font color="#FF9900">|</font><font color="#179317"> </font> <a href="Job.html"> <font color="#179317">Job</font></a> <font color="#FF9900">|</font><font color="#179317"> </font> <a href="Document.asp?btypeid=7"> <font color="#179317">F.A.Q</font></a><br> Copyright &copy; 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