Subject: Re: [AUDITORY] Request for Recommendations: Power Supply and Preamp for Knowles FG-23329 Microphone From: Brian FG Katz <brian.katz@xxxxxxxx> Date: Fri, 25 Jul 2025 09:31:14 +0200This is a multipart message in MIME format. ------=_NextPart_000_004F_01DBFD46.DDC0A6D0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Dear Sathish,=20 =20 I would highly recommend that you go with a pre-assembled system. Here = is one example, also well recommended, which provides that microphone = already connected to a phantom-powered pre-amp and XLR connector:=20 =20 http://feichter-audio.com/produits/captations/m1/=20 =20 This was originally designed for use in the BiLi project = (https://www.bili-project.org/) for HRTF dataset acquisition some years = ago and now they sell it as a product.=20 =20 Best regards, -Brian -- Brian FG Katz, Research Director, CNRS Groupe Lutheries - Acoustique =E2=80=93 Musique Sorbonne Universit=C3=A9, CNRS, UMR 7190, Institut Jean Le Rond = =E2=88=82'Alembert=20 http://www.dalembert.upmc.fr/home/katz =20 De : AUDITORY - Research in Auditory Perception = <AUDITORY@xxxxxxxx> De la part de Sathish Kumar Envoy=C3=A9 : jeudi 24 juillet 2025 12:52 =C3=80 : AUDITORY@xxxxxxxx Objet : [AUDITORY] Request for Recommendations: Power Supply and Preamp = for Knowles FG-23329 Microphone =20 Dear List, 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 preamplifiers for this microphone. I would greatly appreciate any recommendations or suggestions for = compatible power supplies, preamplifiers, or alternative microphone = solutions that could serve a similar purpose. Thank you =20 Kind regards, --=20 Sathish Kumar PhD Research Scholar Department of Audiology and SLP Kasturba Medical College (MAHE), Mangalore Mob: 9789447666 || E-mail: sathish.sreeni58@xxxxxxxx = <mailto:sathish.sreeni58@xxxxxxxx>=20 =20 <https://www.linkedin.com/in/sathish-kumar-0815121a9/> = <https://www.researchgate.net/profile/Sathish-Kumar-163> = <https://github.com/SATHish64103>=20 ------=_NextPart_000_004F_01DBFD46.DDC0A6D0 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable <html xmlns:v=3D"urn:schemas-microsoft-com:vml" = xmlns:o=3D"urn:schemas-microsoft-com:office:office" = xmlns:w=3D"urn:schemas-microsoft-com:office:word" = xmlns:m=3D"http://schemas.microsoft.com/office/2004/12/omml" = xmlns=3D"http://www.w3.org/TR/REC-html40"><head><meta = http-equiv=3DContent-Type content=3D"text/html; charset=3Dutf-8"><meta = name=3DGenerator content=3D"Microsoft Word 15 (filtered medium)"><!--[if = !mso]><style>v\:* {behavior:url(#default#VML);} o\:* {behavior:url(#default#VML);} w\:* {behavior:url(#default#VML);} .shape {behavior:url(#default#VML);} </style><![endif]--><style><!-- /* Font Definitions */ @xxxxxxxx {font-family:"Cambria Math"; panose-1:2 4 5 3 5 4 6 3 2 4;} @xxxxxxxx {font-family:Calibri; panose-1:2 15 5 2 2 2 4 3 2 4;} /* Style Definitions */ p.MsoNormal, li.MsoNormal, div.MsoNormal {margin:0cm; font-size:11.0pt; font-family:"Calibri",sans-serif;} a:link, span.MsoHyperlink {mso-style-priority:99; color:blue; text-decoration:underline;} span.gmailsignatureprefix {mso-style-name:gmail_signature_prefix;} span.EmailStyle21 {mso-style-type:personal-compose; font-family:"Calibri",sans-serif; color:windowtext;} .MsoChpDefault {mso-style-type:export-only; font-family:"Calibri",sans-serif; mso-fareast-language:EN-US;} @xxxxxxxx WordSection1 {size:612.0pt 792.0pt; margin:70.85pt 70.85pt 70.85pt 70.85pt;} div.WordSection1 {page:WordSection1;} --></style><!--[if gte mso 9]><xml> <o:shapedefaults v:ext=3D"edit" spidmax=3D"1026" /> </xml><![endif]--><!--[if gte mso 9]><xml> <o:shapelayout v:ext=3D"edit"> <o:idmap v:ext=3D"edit" data=3D"1" /> </o:shapelayout></xml><![endif]--></head><body lang=3DEN-GB link=3Dblue = vlink=3Dpurple style=3D'word-wrap:break-word'><div = class=3DWordSection1><p class=3DMsoNormal><span = style=3D'mso-fareast-language:EN-US'>Dear Sathish, = <o:p></o:p></span></p><p class=3DMsoNormal><span = style=3D'mso-fareast-language:EN-US'><o:p> </o:p></span></p><p = class=3DMsoNormal><span style=3D'mso-fareast-language:EN-US'>I would = highly recommend that you go with a pre-assembled system. Here is one = example, also well recommended, which provides that microphone already = connected to a phantom-powered pre-amp and XLR connector: = <o:p></o:p></span></p><p class=3DMsoNormal><span = style=3D'mso-fareast-language:EN-US'><o:p> </o:p></span></p><p = class=3DMsoNormal><span = style=3D'mso-fareast-language:EN-US'>=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 <a = href=3D"http://feichter-audio.com/produits/captations/m1/">http://feichte= r-audio.com/produits/captations/m1/</a> <o:p></o:p></span></p><p = class=3DMsoNormal><span = style=3D'mso-fareast-language:EN-US'><o:p> </o:p></span></p><p = class=3DMsoNormal><span style=3D'mso-fareast-language:EN-US'>This was = originally designed for use in the BiLi project (<a = href=3D"https://www.bili-project.org/">https://www.bili-project.org/</a>)= for HRTF dataset acquisition some years ago and now they sell it as a = product. <o:p></o:p></span></p><p class=3DMsoNormal><span = style=3D'mso-fareast-language:EN-US'><o:p> </o:p></span></p><p = class=3DMsoNormal><span style=3D'mso-fareast-language:EN-US'>Best = regards,<o:p></o:p></span></p><p class=3DMsoNormal><span = style=3D'mso-fareast-language:EN-US'>-Brian<o:p></o:p></span></p><p = class=3DMsoNormal><span = style=3D'color:#1F497D'>--</span><o:p></o:p></p><p = class=3DMsoNormal><span style=3D'color:#1F497D'>Brian FG Katz, Research = Director, CNRS</span><o:p></o:p></p><p class=3DMsoNormal><span lang=3DFR = style=3D'font-size:10.0pt;color:#1F497D'>Groupe Lutheries - Acoustique = =E2=80=93 Musique</span><span lang=3DFR><o:p></o:p></span></p><p = class=3DMsoNormal><span lang=3DFR = style=3D'font-size:10.0pt;color:#1F497D'>Sorbonne Universit=C3=A9, CNRS, = UMR 7190, Institut Jean Le Rond =E2=88=82'Alembert </span><span = lang=3DFR><o:p></o:p></span></p><p class=3DMsoNormal><span lang=3DFR = style=3D'color:#1F497D'><a = href=3D"http://www.dalembert.upmc.fr/home/katz">http://www.dalembert.upmc= .fr/home/katz</a></span><span lang=3DFR><o:p></o:p></span></p><p = class=3DMsoNormal><span lang=3DFR = style=3D'mso-fareast-language:EN-US'><o:p> </o:p></span></p><div = style=3D'border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm = 0cm 0cm'><p class=3DMsoNormal><b><span = lang=3DFR>De :</span></b><span lang=3DFR> AUDITORY - Research in = Auditory Perception <AUDITORY@xxxxxxxx> <b>De la part = de</b> Sathish Kumar<br><b>Envoy=C3=A9 :</b> jeudi 24 juillet 2025 = 12:52<br><b>=C3=80 :</b> = AUDITORY@xxxxxxxx<br><b>Objet :</b> [AUDITORY] Request for = Recommendations: Power Supply and Preamp for Knowles FG-23329 = Microphone<o:p></o:p></span></p></div><p = class=3DMsoNormal><o:p> </o:p></p><div><div><p><span = style=3D'color:black'>Dear List,<o:p></o:p></span></p><p><span = style=3D'color:black'>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 preamplifiers for this = microphone.<o:p></o:p></span></p><p><span style=3D'color:black'>I would = greatly appreciate any recommendations or suggestions for compatible = power supplies, preamplifiers, or alternative microphone solutions that = could serve a similar purpose.<o:p></o:p></span></p></div><div><p = class=3DMsoNormal>Thank you<o:p></o:p></p></div><div><p = class=3DMsoNormal><o:p> </o:p></p></div><div><p = class=3DMsoNormal>Kind regards,<o:p></o:p></p></div><p = class=3DMsoNormal><span class=3Dgmailsignatureprefix>-- = </span><o:p></o:p></p><div><div><p style=3D'margin:0cm'><b><span = style=3D'font-family:"Arial",sans-serif;color:#202124;background:white'>S= athish Kumar</span></b><span = style=3D'color:black'><o:p></o:p></span></p><p = style=3D'margin:0cm;background:white'><span = style=3D'font-family:"Arial",sans-serif;color:#202124'>PhD Research = Scholar</span><span style=3D'color:black'><o:p></o:p></span></p><p = style=3D'margin:0cm;background:white'><span = style=3D'font-family:"Arial",sans-serif;color:#202124'>Department of = Audiology and SLP</span><span = style=3D'color:black'><o:p></o:p></span></p><p = style=3D'margin:0cm;background:white'><span = style=3D'font-family:"Arial",sans-serif;color:#202124'>Kasturba Medical = College (MAHE), Mangalore</span><span = style=3D'color:black'><o:p></o:p></span></p><p = style=3D'margin:0cm;background:white'><span = style=3D'font-family:"Arial",sans-serif;color:#202124'>Mob: 9789447666 = || E-mail: <a href=3D"mailto:sathish.sreeni58@xxxxxxxx" = target=3D"_blank">sathish.sreeni58@xxxxxxxx</a></span><span = style=3D'color:black'><o:p></o:p></span></p><p = style=3D'margin:0cm;background:white'><span = style=3D'color:black'><o:p> </o:p></span></p><p = style=3D'margin:0cm'><a = href=3D"https://www.linkedin.com/in/sathish-kumar-0815121a9/" = target=3D"_blank"><span = style=3D'font-family:"Arial",sans-serif;border:none windowtext = 1.0pt;padding:0cm;text-decoration:none'><img border=3D0 width=3D38 = height=3D38 style=3D'width:.3958in;height:.3958in' id=3D"_x0000_i1027" = src=3D"https://lh6.googleusercontent.com/5byXAEkLcmDiDEuMoWneEZQdjIKw6iXH= jfmLsRbz0FYhcx20eR5fkDLbv6Pea9afWwT5tctVYd0IA6YZG3DjVnpO5wv6bekCzl0jnN0rH= bUDj_i0_ltWn5DcTWV_d3VZUj0vee8E3Sn4M_fstbBxj8Q"></span></a><span = style=3D'font-family:"Arial",sans-serif;color:black'> </span><a = href=3D"https://www.researchgate.net/profile/Sathish-Kumar-163" = target=3D"_blank"><span = style=3D'font-family:"Arial",sans-serif;border:none windowtext = 1.0pt;padding:0cm;text-decoration:none'><img border=3D0 width=3D38 = height=3D38 style=3D'width:.3958in;height:.3958in' id=3D"_x0000_i1026" = src=3D"https://lh5.googleusercontent.com/xK4xzers236Zr7hl6kTXCcf28ETM6L4X= YqRBNoIyXKXLTMavTMfvDdDVpQZC_uarIITzhAVe-L36vaHFM-9zalrKP9vk45O-eCzHcQdE7= pQ4hbJUEqYILghXvWrhlqGbOL6obnonsC7O-CDSXgVcxQk"></span></a><span = style=3D'font-family:"Arial",sans-serif;color:black'> </= span><a href=3D"https://github.com/SATHish64103" target=3D"_blank"><span = style=3D'font-family:"Arial",sans-serif;border:none windowtext = 1.0pt;padding:0cm;text-decoration:none'><img border=3D0 width=3D38 = height=3D38 style=3D'width:.3958in;height:.3958in' id=3D"_x0000_i1025" = src=3D"https://lh5.googleusercontent.com/TeW5o2pJsNEw0t-KL4RMnHMeyOjtzL8-= GjpsM26pbcbFdR9wKh8FfouojMU57VaePdryTPyW8Y9jXgwUVNfqHDvlrn_gUM8HwlgzD_pa0= 6vUm0Tw9gfRYz1Pi7PZqRQe32_q9S7Gc0c9DR_YztA2C20"></span></a><span = style=3D'color:black'><o:p></o:p></span></p></div></div></div></div></bod= y></html> ------=_NextPart_000_004F_01DBFD46.DDC0A6D0--