Re: [AUDITORY] loudspeaker recommendations ("Picinali, Lorenzo" )


Subject: Re: [AUDITORY] loudspeaker recommendations
From:    "Picinali, Lorenzo"  <l.picinali@xxxxxxxx>
Date:    Wed, 8 Mar 2017 07:44:17 +0000
List-Archive:<http://lists.mcgill.ca/scripts/wa.exe?LIST=AUDITORY>

--_000_VI1PR06MB1565C1425A99EE1880D65F6BBA2E0VI1PR06MB1565eurp_ Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable Dear Maria, we have recently purchased a number of Equator Audio D5 speakers, which are= are based on a "coaxial" design, i.e. the tweeter (high frequency driver) = is mounted in the middle of the woofer (low frequencies). This particular design allows for a generally wider field of listening, and= for the speaker to be put closer to the listener without creating issues r= elated with the low and high drivers being not in the same position. The ad= vantage of this design if compared with single cone speakers ("full range s= peaker") is that it allows a much wider frequency range, it requires much l= ess space to sound well (full range speakers tend to require larger rooms t= o have good low-frequency performances), and it does not need complex/large= resonators, wave-guides and horns in order to extend its frequency respons= e. Tannoy is famous for its "Dual Concentric" coaxial design, and some of its = models (e.g. Tannoy System 600) have been used in the past for psychoacoust= ics experiments. But it's more difficult now to find these speakers, and th= e new models are mainy for HiFi and often passive (e.g. they require an ext= ernal amplifier). The Equator D5 work very well, so I'd definitely recommend those. You are w= elcome to come to listen to them in South Kensington, if you come close to = there sometimes! Best regards Lorenzo -- Dr Lorenzo Picinali Senior Lecturer in Audio Experience Design Director of Undergraduate Studies Dyson School of Design Engineering Imperial College London 10 Princes Gardens South Kensington, SW7 1NA, London T: 0044 (0)20 7594 8158 E: l.picinali@xxxxxxxx http://www.imperial.ac.uk/people/l.picinali www.imperial.ac.uk/design-engineering-school<http://www.imperial.ac.uk/desi= gn-engineering-school> ________________________________ From: AUDITORY - Research in Auditory Perception <AUDITORY@xxxxxxxx>= on behalf of Chait, Maria <m.chait@xxxxxxxx> Sent: 07 March 2017 22:26:04 To: AUDITORY@xxxxxxxx Subject: [AUDITORY] loudspeaker recommendations Dear Colleagues, So far we have been conducting our behavioural experiments using high quali= ty headphones, but for various reasons will need to shift to using free fie= ld sound presentation for some of our work. I was hoping you might be able= to recommend a high quality loud speaker to use for this purpose; Ideally,= one that we can purchase easily from the UK. Our requirements: Experiments are conducted in a small-ish sound-proof boo= th, and we plan to position a single loudspeaker about 50-70 cm in front of= the listener (space constraints prevents this from being any further away)= . Stimuli are spectrally rich =91soundscapes=92. My understanding is that we should prefer single cone speakers? Many thanks, Maria Maria Chait PhD m.chait@xxxxxxxx<mailto:m.chait@xxxxxxxx> Reader in Auditory Cognitive Neuroscience Lab site: http://www.ucl.ac.uk/ear/research/chaitlab/ UCL Ear Institute 332 Gray's Inn Road London WC1X 8EE --_000_VI1PR06MB1565C1425A99EE1880D65F6BBA2E0VI1PR06MB1565eurp_ Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable <html xmlns:v=3D"urn:schemas-microsoft-com:vml" xmlns:o=3D"urn:schemas-micr= osoft-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=3D"Content-Type" content=3D"text/html; charset=3DWindows-1= 252"> <meta name=3D"Generator" content=3D"Microsoft Word 14 (filtered medium)"> <style><!-- /* Font Definitions */ @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; margin-bottom:.0001pt; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-fareast-language:EN-US;} a:link, span.MsoHyperlink {mso-style-priority:99; color:blue; text-decoration:underline;} a:visited, span.MsoHyperlinkFollowed {mso-style-priority:99; color:purple; text-decoration:underline;} span.EmailStyle17 {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:72.0pt 72.0pt 72.0pt 72.0pt;} 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=3D"EN-GB" link=3D"blue" vlink=3D"purple"> <style type=3D"text/css" style=3D"display:none;"><!-- P {margin-top:0;margi= n-bottom:0;} --></style> <div id=3D"divtagdefaultwrapper" style=3D"font-size:12pt;color:#000000;font= -family:Calibri,Arial,Helvetica,sans-serif;" dir=3D"ltr"> <p>Dear Maria,</p> <p><br> </p> <p>we have recently purchased a number of <span>Equator Audio D5 speakers, = which are are based on a &quot;coaxial&quot; design, i.e. the tweeter (high= frequency driver) is mounted in the middle of the woofer (low frequencies)= .</span></p> <p><span><br> </span></p> <p><span>This particular design allows for a generally wider field of liste= ning, and for the speaker to be put closer to the listener without creating= issues related with the low and high drivers being not in the same positio= n. The advantage of this design if compared with single cone speakers (&quot;full range speaker&quot;) is = that it allows a much wider frequency range, it requires much less space to= sound well (full range speakers tend to require larger rooms to have good = low-frequency performances), and it does not need complex/large resonators, wave-guides and horns in order to extend it= s frequency response.</span></p> <p><span><br> </span></p> <p><span>Tannoy is famous for its &quot;Dual Concentric&quot; coaxial desig= n, and some of its models (e.g. Tannoy System 600) have been used in the pa= st for psychoacoustics experiments. But it's more difficult now to find the= se speakers, and the new models are mainy for HiFi and often passive (e.g. they require an external amplifier). <br> </span></p> <p><span><br> </span></p> <p><span>The Equator D5 work very well, so I'd definitely recommend those. = You are welcome to come to listen to them in South Kensington, if you come = close to there sometimes!</span></p> <p><span><br> </span></p> <p><span>Best regards</span></p> <p><span><br> </span></p> <p><span>Lorenzo<br> </span></p> <div id=3D"Signature"> <div id=3D"divtagdefaultwrapper" style=3D"font-size:12pt; color:#000000; ba= ckground-color:#FFFFFF; font-family:Calibri,Arial,Helvetica,sans-serif"> <div id=3D"divtagdefaultwrapper" style=3D"color:rgb(0,0,0); background-colo= r:rgb(255,255,255); font-family:Calibri,Arial,Helvetica,sans-serif"> <div style=3D"font-family:Tahoma"> <div style=3D"font-family:Tahoma"> <div style=3D"font-family:Tahoma"> <div style=3D"font-family:Tahoma"> <div style=3D"font-family:Tahoma"> <div style=3D"font-family:Tahoma"> <div style=3D"font-family:Tahoma"> <div style=3D"font-family:Tahoma"> <div style=3D"font-family:Tahoma"><font style=3D"font-size:10pt"></font><sp= an style=3D"font-size:10pt"></span><span style=3D"font-size:10pt"></span> <div style=3D"font-family:Tahoma"> <div style=3D"font-family:Tahoma"><span style=3D"font-size:10pt"><br> -- <br> Dr Lorenzo Picinali<br> Senior Lecturer in Audio Experience Design<br> Director of Undergraduate Studies<br> Dyson School of Design Engineering<br> Imperial College London<br> 10 Princes Gardens<br> South Kensington, SW7 1NA, London <br> T: 0044 (0)20 7594 8158<br> E: l.picinali@xxxxxxxx<br> <font style=3D"" color=3D"3366FF"><u style=3D""><br> <a href=3D"http://www.imperial.ac.uk/people/l.picinali" target=3D"_blank" i= d=3D"LPNoLP">http://www.imperial.ac.uk/people/l.picinali</a></u></font><br> <br> <a href=3D"http://www.imperial.ac.uk/design-engineering-school" target=3D"_= blank" id=3D"LPNoLP">www.imperial.ac.uk/design-engineering-school</a><br> </span></div> </div> <span style=3D"font-size:10pt"></span><span style=3D"font-size:10pt"></span= ><font style=3D"font-size:10pt"></font></div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </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 &lt;AUDITORY@xxxxxxxx&gt; on behalf of Chait, = Maria &lt;m.chait@xxxxxxxx&gt;<br> <b>Sent:</b> 07 March 2017 22:26:04<br> <b>To:</b> AUDITORY@xxxxxxxx<br> <b>Subject:</b> [AUDITORY] loudspeaker recommendations</font> <div>&nbsp;</div> </div> <div> <div class=3D"WordSection1"> <p class=3D"MsoNormal">Dear Colleagues,<o:p></o:p></p> <p class=3D"MsoNormal">So far we have been conducting our behavioural exper= iments using high quality headphones, but for various reasons will need to = shift to using free field sound presentation for some of our work. &nbsp;I = was hoping you might be able to recommend a high quality loud speaker to use for this purpose; Ideally, one that we = can purchase easily from the UK. <o:p></o:p></p> <p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p> <p class=3D"MsoNormal">Our requirements: &nbsp;Experiments are conducted in= a small-ish sound-proof booth, and we plan to position a single loudspeake= r about 50-70 cm in front of the listener (space constraints prevents this = from being any further away). Stimuli are spectrally rich =91soundscapes=92. &nbsp;<o:p></o:p></p> <p class=3D"MsoNormal">My understanding is that we should prefer single con= e speakers?<o:p></o:p></p> <p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p> <p class=3D"MsoNormal">Many thanks,<o:p></o:p></p> <p class=3D"MsoNormal">Maria<o:p></o:p></p> <p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p> <p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p> <p class=3D"MsoNormal">Maria Chait PhD<o:p></o:p></p> <p class=3D"MsoNormal"><a href=3D"mailto:m.chait@xxxxxxxx"><span style=3D"= color:blue">m.chait@xxxxxxxx</span></a><o:p></o:p></p> <p class=3D"MsoNormal">Reader in Auditory Cognitive Neuroscience <o:p></o:p= ></p> <p class=3D"MsoNormal">Lab site:&nbsp;<a href=3D"http://www.ucl.ac.uk/ear/r= esearch/chaitlab/"><span style=3D"color:blue">http://www.ucl.ac.uk/ear/rese= arch/chaitlab/</span></a><o:p></o:p></p> <p class=3D"MsoNormal">UCL Ear Institute<o:p></o:p></p> <p class=3D"MsoNormal">332 Gray's Inn Road<o:p></o:p></p> <p class=3D"MsoNormal">London WC1X 8EE<o:p></o:p></p> <p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p> </div> </div> </body> </html> --_000_VI1PR06MB1565C1425A99EE1880D65F6BBA2E0VI1PR06MB1565eurp_--


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