Subject: Re: [AUDITORY] connecting ER2 earphones to old TDT sys3 module From: Amanda Lauer <alauer2@xxxxxxxx> Date: Thu, 16 Nov 2017 14:26:13 +0000 List-Archive:<http://lists.mcgill.ca/scripts/wa.exe?LIST=AUDITORY>--_000_151084237374920587jhmiedu_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable ?The ones we have are old and have dual monos. Thanks! ________________________________ From: Tollin, Daniel <Daniel.Tollin@xxxxxxxx> Sent: Thursday, November 16, 2017 12:56 AM To: Amanda Lauer Cc: AUDITORY@xxxxxxxx Subject: Re: connecting ER2 earphones to old TDT sys3 module Amanda ER2s have a phono plug. You can buy a phono to BNC connector so that you ca= n patch directly into the HB7. As for the ER10b (to presumably measure OAEs= ), use a pair of ER2s for inputs as specified for the 10b. The ER2s are fan= tastic at low frequencies (provided correct coupling/sealing to the ear) as= they are specifically designed for human input, or any human-appropriate a= nimal model that hears low frequencies (e.g. not mice or rats), measurement= s with the 10b mic. Be sure to calibrate the system before testing! Daniel J. Tollin, PhD Professor University of Colorado School of Medicine Department of Physiology & Biophysics/Mail Stop 8307 Research Complex 1-N, Rm 7106 12800 East 19th Ave Aurora, CO 80045 Tel: 303-724-0625<tel:303-724-0625> Fax: 303-724-4501<tel:303-724-4501> On Nov 15, 2017, at 10:30 PM, Amanda Lauer <alauer2@xxxxxxxx<mailto:alauer2= @xxxxxxxx>> wrote: I have something of an odd question. I need to find an adaptor to connect m= y ER2 earphone dual-mono male to a single bnc output on a TDT HB7 headphone= buffer. Does anyone have a good source for hard to find audio connectors? Alternatively, can someone recommend a low frequency sound source that can = couple with an ER-10B? Our usual equipment is used for testing mice, and we= need something that will not have a lot of harmonic distortion below 4 kHz= . Thanks!? Amanda Lauer, Ph.D. Assistant Professor Dept. of Otolaryngology-HNS Johns Hopkins University School of Medicine 443-287-4229 --_000_151084237374920587jhmiedu_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable <html> <head> <meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3Diso-8859-= 1"> <style type=3D"text/css" style=3D"display:none"><!-- p { margin-top: 0px; m= argin-bottom: 0px; }--></style> </head> <body dir=3D"ltr" style=3D"font-size:12pt;color:#000000;background-color:#F= FFFFF;font-family:Calibri,Arial,Helvetica,sans-serif;"> <p>​The ones we have are old and have dual monos. <br> </p> <p><br> </p> <p>Thanks!<br> </p> <div dir=3D"auto" style=3D"color: rgb(33, 33, 33);"> <hr tabindex=3D"-1" style=3D"display:inline-block; width:98%"> <div id=3D"divRplyFwdMsg" dir=3D"ltr"><font face=3D"Calibri, sans-serif" co= lor=3D"#000000" style=3D"font-size:11pt"><b>From:</b> Tollin, Daniel <Da= niel.Tollin@xxxxxxxx><br> <b>Sent:</b> Thursday, November 16, 2017 12:56 AM<br> <b>To:</b> Amanda Lauer<br> <b>Cc:</b> AUDITORY@xxxxxxxx<br> <b>Subject:</b> Re: connecting ER2 earphones to old TDT sys3 module</font> <div> </div> </div> <div> <div></div> <div>Amanda </div> <div><br> </div> <div> <div><span style=3D"">ER2s have a phono plug. You can buy a phono to BNC co= nnector so that you can patch directly into the HB7. As for the ER10b (to p= resumably measure OAEs), use a pair of ER2s for inputs as specified for the= 10b. The ER2s are fantastic at low frequencies (provided correct coupling/sealing to the ear) as they are spe= cifically designed for human input, or any human-appropriate animal model t= hat hears low frequencies </span><span style=3D"">(e.g. not mice or ra= ts), measurements with the 10b mic. </span><span style=3D"">Be sure to calibrate the system before testing!</span></div> <div><span style=3D""><br> </span></div> <div> <blockquote type=3D"cite"> <div class=3D"WordSection1" style=3D""> <div id=3D"divtagdefaultwrapper"> <div id=3D"Signature"> <div id=3D"divtagdefaultwrapper"> <p class=3D"MsoNormal" style=3D"margin:0in 0in 0.0001pt"><font color=3D"#00= 0000"><span style=3D"">Daniel J. Tollin, PhD</span></font></p> <p class=3D"MsoNormal" style=3D"margin:0in 0in 0.0001pt"><font color=3D"#00= 0000"><span style=3D"">Professor</span></font></p> <p class=3D"MsoNormal" style=3D"margin:0in 0in 0.0001pt"><font color=3D"#00= 0000"> </font></p> <p class=3D"MsoNormal" style=3D"margin:0in 0in 0.0001pt"><font color=3D"#00= 0000"><span style=3D"">University of Colorado School of Medicine</span></fo= nt></p> <p class=3D"MsoNormal" style=3D"margin:0in 0in 0.0001pt"><font color=3D"#00= 0000"><span style=3D"">Department of Physiology & Biophysics/Mail = Stop 8307</span></font></p> <p class=3D"MsoNormal" style=3D"margin:0in 0in 0.0001pt"><font color=3D"#00= 0000"><span style=3D"">Research Complex 1-N, Rm 7106</span></font></p> <p class=3D"MsoNormal" style=3D"margin:0in 0in 0.0001pt"><font color=3D"#00= 0000"><span style=3D""><a href=3D"" dir=3D"ltr" style=3D"" id=3D"NoLP">1280= 0 East 19th Ave</a></span></font></p> <p class=3D"MsoNormal" style=3D"margin:0in 0in 0.0001pt"><font color=3D"#00= 0000"><span style=3D""><a href=3D"" dir=3D"ltr" style=3D"" id=3D"NoLP">Auro= ra, CO 80045</a></span></font></p> <p class=3D"MsoNormal" style=3D"margin:0in 0in 0.0001pt"><font color=3D"#00= 0000"><span style=3D""> </span></font></p> <p class=3D"MsoNormal" style=3D"margin:0in 0in 0.0001pt"><font color=3D"#00= 0000"><span style=3D"">Tel: <a href=3D"tel:303-724-0625" dir=3D"ltr" i= d=3D"NoLP">303-724-0625</a></span></font></p> <p class=3D"MsoNormal" style=3D"margin:0in 0in 0.0001pt"><font color=3D"#00= 0000"><span style=3D"">Fax: <a href=3D"tel:303-724-4501" dir=3D"ltr" i= d=3D"NoLP">303-724-4501</a></span></font></p> </div> </div> </div> </div> </blockquote> </div> </div> <div><br> On Nov 15, 2017, at 10:30 PM, Amanda Lauer <<a href=3D"mailto:alauer2@xxxxxxxx= MI.EDU">alauer2@xxxxxxxx</a>> wrote:<br> <br> </div> <blockquote type=3D"cite"> <div> <p>I have something of an odd question. I need to find an adaptor to c= onnect my ER2 earphone dual-mono male to a single bnc output on a TDT = HB7 headphone buffer. Does anyone have a good source for hard to find audio= connectors?<br> </p> <p><br> </p> <p>Alternatively, can someone recommend a low frequency sound source that c= an couple with an ER-10B? Our usual equipment is used for testing mice, and= we need something that will not have a lot of harmonic distortion below 4 = kHz.<br> </p> <p><br> </p> <p>Thanks!​</p> <p><br> </p> <div id=3D"Signature"> <div name=3D"divtagdefaultwrapper" style=3D"font-family:Calibri,Arial,Helve= tica,sans-serif; font-size:; margin:0"> <div style=3D"font-family:Tahoma; font-size:13px"> <div style=3D"font-family:Tahoma; font-size:13px"> <div style=3D"font-family:Tahoma; font-size:13px"> <div style=3D"font-family:Tahoma; font-size:13px">Amanda Lauer, Ph.D.<br> Assistant Professor<br> Dept. of Otolaryngology-HNS<br> Johns Hopkins University School of Medicine<br> 443-287-4229<br> <br> <br> </div> </div> </div> </div> </div> </div> <br> <p></p> </div> </blockquote> </div> </div> </body> </html> --_000_151084237374920587jhmiedu_--