Subject: Re: [AUDITORY] Request for Recommendations: Power Supply and Preamp for Knowles FG-23329 Microphone From: "Picinali, Lorenzo" <l.picinali@xxxxxxxx> Date: Fri, 25 Jul 2025 09:05:46 +0000--_000_LO0P265MB303533B8E1C707DF5C3F4CF3BA59ALO0P265MB3035GBRP_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Hello Sathish, you can use the power supply from RODE - you can find more infomation about= it in our SONICOM HRTF dataset paper - https://doi.org/10.17743/jaes.2022.= 0066 Best Lorenzo -- Lorenzo Picinali Professor in Spatial Acoustics and Immersive Audio Dyson School of Design Engineering Imperial College London Dyson Building Imperial College Road South Kensington, SW7 2DB, London E: l.picinali@xxxxxxxx https://profiles.imperial.ac.uk/l.picinali https://www.axdesign.co.uk/ https://www.sonicom.eu/ ________________________________ From: AUDITORY - Research in Auditory Perception <AUDITORY@xxxxxxxx>= on behalf of Sathish Kumar <sathish.sreeni58@xxxxxxxx> Sent: 24 July 2025 11:52 AM To: AUDITORY@xxxxxxxx <AUDITORY@xxxxxxxx> Subject: [AUDITORY] Request for Recommendations: Power Supply and Preamp fo= r Knowles FG-23329 Microphone Dear List, I am currently working on a research project that involves capturing the HR= TF of test subjects. Based on a review of the literature, I found that the = Knowles FG-23329 microphone is commonly used for this purpose. However, I a= m having difficulty identifying compatible power supply options and suitabl= e preamplifiers for this microphone. I would greatly appreciate any recommendations or suggestions for compatibl= e power supplies, preamplifiers, or alternative microphone solutions that c= ould serve a similar purpose. Thank you Kind regards, -- Sathish Kumar PhD Research Scholar Department of Audiology and SLP Kasturba Medical College (MAHE), Mangalore Mob: 9789447666 || E-mail: sathish.sreeni58@xxxxxxxx<mailto:sathish.sreeni= 58@xxxxxxxx> [https://lh6.googleusercontent.com/5byXAEkLcmDiDEuMoWneEZQdjIKw6iXHjfmLsRbz= 0FYhcx20eR5fkDLbv6Pea9afWwT5tctVYd0IA6YZG3DjVnpO5wv6bekCzl0jnN0rHbUDj_i0_lt= Wn5DcTWV_d3VZUj0vee8E3Sn4M_fstbBxj8Q]<https://www.linkedin.com/in/sathish-k= umar-0815121a9/> [https://lh5.googleusercontent.com/xK4xzers236Zr7hl6kTXC= cf28ETM6L4XYqRBNoIyXKXLTMavTMfvDdDVpQZC_uarIITzhAVe-L36vaHFM-9zalrKP9vk45O-= eCzHcQdE7pQ4hbJUEqYILghXvWrhlqGbOL6obnonsC7O-CDSXgVcxQk] <https://www.resea= rchgate.net/profile/Sathish-Kumar-163> [https://lh5.googleusercontent.co= m/TeW5o2pJsNEw0t-KL4RMnHMeyOjtzL8-GjpsM26pbcbFdR9wKh8FfouojMU57VaePdryTPyW8= Y9jXgwUVNfqHDvlrn_gUM8HwlgzD_pa06vUm0Tw9gfRYz1Pi7PZqRQe32_q9S7Gc0c9DR_YztA2= C20] <https://github.com/SATHish64103> --_000_LO0P265MB303533B8E1C707DF5C3F4CF3BA59ALO0P265MB3035GBRP_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable <html> <head> <meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3Dus-ascii"= > <style type=3D"text/css" style=3D"display:none;"> P {margin-top:0;margin-bo= ttom:0;} </style> </head> <body dir=3D"ltr"> <div style=3D"font-family: "Times New Roman", "Times", = serif; font-size: 12pt; color: rgb(0, 0, 0);" class=3D"elementToProof"> Hello Sathish,</div> <div style=3D"font-family: "Times New Roman", "Times", = serif; font-size: 12pt; color: rgb(0, 0, 0);" class=3D"elementToProof"> <br> </div> <div style=3D"font-family: "Times New Roman", "Times", = serif; font-size: 12pt; color: rgb(0, 0, 0);" class=3D"elementToProof"> you can use the power supply from RODE - you can find more infomation about= it in our SONICOM HRTF dataset paper - https://<i>doi</i>.org/10.17743/jae= s.2022.0066</div> <div style=3D"font-family: "Times New Roman", "Times", = serif; font-size: 12pt; color: rgb(0, 0, 0);" class=3D"elementToProof"> <br> </div> <div style=3D"font-family: "Times New Roman", "Times", = serif; font-size: 12pt; color: rgb(0, 0, 0);" class=3D"elementToProof"> Best</div> <div style=3D"font-family: "Times New Roman", "Times", = serif; font-size: 12pt; color: rgb(0, 0, 0);" class=3D"elementToProof"> Lorenzo</div> <div class=3D"elementToProof" id=3D"Signature"> <div style=3D"font-family: "Times New Roman", "Times", = serif; font-size: 12pt; color: rgb(0, 0, 0);" class=3D"elementToProof"> <br> </div> <div style=3D"font-family: Tahoma; font-size: 10pt;" class=3D"elementToProo= f">--<br> Lorenzo Picinali<br> Professor in Spatial<span style=3D"color: rgb(0, 0, 0);"> Acoustics an= d Immersive Audio</span><br> Dyson School of Design Engineering<br> Imperial College London<br> Dyson Building<br> Imperial College Road<br> South Kensington, SW7 2DB, London<br> E: l.picinali@xxxxxxxx<br> <u><br> </u><span style=3D"color: rgb(0, 0, 0);"><a href=3D"https://profiles.imperi= al.ac.uk/l.picinali">https://profiles.imperial.ac.uk/l.picinali</a></span><= br> <a data-auth=3D"NotApplicable" data-linkindex=3D"2" rel=3D"noopener norefer= rer" target=3D"_blank" href=3D"https://www.axdesign.co.uk/">https://www.axd= esign.co.uk/</a></div> <div style=3D"font-family: Tahoma; font-size: 10pt;" class=3D"elementToProo= f"><a data-auth=3D"NotApplicable" data-linkindex=3D"3" rel=3D"noopener nore= ferrer" target=3D"_blank" href=3D"https://www.sonicom.eu/">https://www.soni= com.eu/</a></div> </div> <div id=3D"appendonsend"></div> <hr style=3D"display:inline-block;width:98%" tabindex=3D"-1"> <div id=3D"divRplyFwdMsg" dir=3D"ltr"><font face=3D"Calibri, sans-serif" st= yle=3D"font-size:11pt" color=3D"#000000"><b>From:</b> AUDITORY - Research i= n Auditory Perception <AUDITORY@xxxxxxxx> on behalf of Sathish= Kumar <sathish.sreeni58@xxxxxxxx><br> <b>Sent:</b> 24 July 2025 11:52 AM<br> <b>To:</b> AUDITORY@xxxxxxxx <AUDITORY@xxxxxxxx><br> <b>Subject:</b> [AUDITORY] Request for Recommendations: Power Supply and Pr= eamp for Knowles FG-23329 Microphone</font> <div> </div> </div> <div> <div dir=3D"ltr"> <div> <p style=3D"color:rgb(0,0,0)">Dear List,</p> <p style=3D"color:rgb(0,0,0)">I am currently working on a research project = that involves capturing the HRTF of test subjects. Based on a review of the= literature, I found that the Knowles FG-23329 microphone is commonly used = for this purpose. However, I am having difficulty identifying compatible power supply options and suitable preamp= lifiers for this microphone.</p> <p style=3D"color:rgb(0,0,0)">I would greatly appreciate any recommendation= s or suggestions for compatible power supplies, preamplifiers, or alternati= ve microphone solutions that could serve a similar purpose.</p> </div> <div>Thank you</div> <div><br> </div> <div>Kind regards,</div> <span class=3D"x_gmail_signature_prefix">-- </span><br> <div dir=3D"ltr" class=3D"x_gmail_signature" data-smartmail=3D"gmail_signat= ure"> <div dir=3D"ltr"><span style=3D"color:rgb(0,0,0)"> <p dir=3D"ltr" style=3D"line-height:1.2; margin-top:0pt; margin-bottom:0pt"= ><span style=3D"color:rgb(32,33,36); background-color:rgb(255,255,255); fon= t-weight:700; font-style:normal; text-decoration:none; vertical-align:basel= ine; white-space:pre-wrap"><font face=3D"arial, sans-serif">Sathish Kumar</font></span></p> <p dir=3D"ltr" style=3D"line-height:1.2; background-color:rgb(255,255,255);= margin-top:0pt; margin-bottom:0pt"> <span style=3D"color:rgb(32,33,36); background-color:transparent; font-weig= ht:400; font-style:normal; text-decoration:none; vertical-align:baseline; w= hite-space:pre-wrap"><font face=3D"arial, sans-serif">PhD Research Scholar<= /font></span></p> <p dir=3D"ltr" style=3D"line-height:1.2; background-color:rgb(255,255,255);= margin-top:0pt; margin-bottom:0pt"> <span style=3D"color:rgb(32,33,36); background-color:transparent; font-weig= ht:400; font-style:normal; text-decoration:none; vertical-align:baseline; w= hite-space:pre-wrap"><font face=3D"arial, sans-serif">Department of Audiolo= gy and SLP</font></span></p> <p dir=3D"ltr" style=3D"line-height:1.2; background-color:rgb(255,255,255);= margin-top:0pt; margin-bottom:0pt"> <span style=3D"color:rgb(32,33,36); background-color:transparent; font-weig= ht:400; font-style:normal; text-decoration:none; vertical-align:baseline; w= hite-space:pre-wrap"><font face=3D"arial, sans-serif">Kasturba Medical Coll= ege (MAHE), Mangalore</font></span></p> <p style=3D"line-height:1.2; background-color:rgb(255,255,255); margin-top:= 0pt; margin-bottom:0pt"> <span style=3D"color:rgb(32,33,36); background-color:transparent; font-weig= ht:400; font-style:normal; text-decoration:none; vertical-align:baseline; w= hite-space:pre-wrap"><font face=3D"arial, sans-serif">Mob: 9789447666 || E-= mail: <a href=3D"mailto:sathish.sreeni58@xxxxxxxx" target=3D"_blank">sathish.sre= eni58@xxxxxxxx</a></font></span></p> <p dir=3D"ltr" style=3D"line-height:1.2; background-color:rgb(255,255,255);= margin-top:0pt; margin-bottom:0pt"> <br> </p> <p dir=3D"ltr" style=3D"line-height:1.2; margin-top:0pt; margin-bottom:0pt"= ><span><span style=3D"font-size:11pt; font-family:Arial,sans-serif; vertica= l-align:baseline; white-space:pre-wrap"><span style=3D"border:medium; displ= ay:inline-block; overflow:hidden; width:38px; height:38px"><a href=3D"https= ://www.linkedin.com/in/sathish-kumar-0815121a9/" target=3D"_blank"><img wid= th=3D"38" height=3D"38" style=3D"margin-left:0px; margin-top:0px" src=3D"ht= tps://lh6.googleusercontent.com/5byXAEkLcmDiDEuMoWneEZQdjIKw6iXHjfmLsRbz0FY= hcx20eR5fkDLbv6Pea9afWwT5tctVYd0IA6YZG3DjVnpO5wv6bekCzl0jnN0rHbUDj_i0_ltWn5= DcTWV_d3VZUj0vee8E3Sn4M_fstbBxj8Q"></a></span></span><span style=3D"font-si= ze:11pt; font-family:Arial,sans-serif; vertical-align:baseline; white-space= :pre-wrap"> </span><span style=3D"font-size:11pt; font-family:Arial,sans-serif;= vertical-align:baseline; white-space:pre-wrap"><span style=3D"border:mediu= m; display:inline-block; overflow:hidden; width:38px; height:38px"><a href= =3D"https://www.researchgate.net/profile/Sathish-Kumar-163" target=3D"_blan= k"><img width=3D"38" height=3D"38" style=3D"margin-left:0px; margin-top:0px= " src=3D"https://lh5.googleusercontent.com/xK4xzers236Zr7hl6kTXCcf28ETM6L4X= YqRBNoIyXKXLTMavTMfvDdDVpQZC_uarIITzhAVe-L36vaHFM-9zalrKP9vk45O-eCzHcQdE7pQ= 4hbJUEqYILghXvWrhlqGbOL6obnonsC7O-CDSXgVcxQk"></a></span></span><span style= =3D"font-size:11pt; font-family:Arial,sans-serif; vertical-align:baseline; = white-space:pre-wrap"> </span><span style=3D"font-size:11p= t; font-family:Arial,sans-serif; vertical-align:baseline; white-space:pre-w= rap"><span style=3D"border:medium; display:inline-block; overflow:hidden; w= idth:38px; height:38px"><a href=3D"https://github.com/SATHish64103" target= =3D"_blank"><img width=3D"38" height=3D"38" style=3D"margin-left:0px; margi= n-top:0px" src=3D"https://lh5.googleusercontent.com/TeW5o2pJsNEw0t-KL4RMnHM= eyOjtzL8-GjpsM26pbcbFdR9wKh8FfouojMU57VaePdryTPyW8Y9jXgwUVNfqHDvlrn_gUM8Hwl= gzD_pa06vUm0Tw9gfRYz1Pi7PZqRQe32_q9S7Gc0c9DR_YztA2C20"></a></span></span></= span><br> </p> </span></div> </div> </div> </div> </body> </html> --_000_LO0P265MB303533B8E1C707DF5C3F4CF3BA59ALO0P265MB3035GBRP_--