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Junior Varsity
Subwoofer comparison SRX728 vs Vertec 4883
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<blockquote data-quote="Peter Morris" data-source="post: 59561" data-attributes="member: 652"><p>Re: Subwoofer comparison SRX728 vs Vertec 4883</p><p></p><p></p><p></p><p></p><p><span style="font-family: 'Times New Roman'"><span style="font-size: 12px"><span style="color: #000000">Hi Phil,</span></span></span></p><p></p><p><span style="font-family: 'Times New Roman'"><span style="font-size: 12px"><span style="color: #000000">JBL actually describe it as a band-pass, however it is not your typical band pass design, it’s more of a reflex enclosure with cavity added to the front – i.e. the second enclosure is tuned very high. …so …. the impedance curve does not look like your typical band pass. It’s a bit like an EAW SB1000. </span></span></span></p><p></p><p><span style="font-family: 'Times New Roman'"><span style="font-size: 12px"><span style="color: #000000">If you do a simulation, you will see what is happening – you get a bit more SPL at the higher frequencies for adding the cavity. </span></span></span></p><p></p><p><a href="http://www.jblpro.com/BackOffice/ProductAttachments/JBL_VT4883_v3.pdf" target="_blank"><span style="font-family: 'Times New Roman'"><span style="font-size: 12px"><span style="color: #800080">http://www.jblpro.com/BackOffice/ProductAttachments/JBL_VT4883_v3.pdf</span></span></span></a></p><p></p><p><a href="http://www.eaw.com/info/EAW/Loudspeaker_Product_Info/Current_Loudspeakers/SB1000z/SB1000zP_SPECS_revA.pdf" target="_blank"><span style="font-family: 'Times New Roman'"><span style="font-size: 12px"><span style="color: #800080">http://www.eaw.com/info/EAW/Loudspeaker_Product_Info/Current_Loudspeakers/SB1000z/SB1000zP_SPECS_revA.pdf</span></span></span></a></p></blockquote><p></p>
[QUOTE="Peter Morris, post: 59561, member: 652"] Re: Subwoofer comparison SRX728 vs Vertec 4883 [FONT=Times New Roman][SIZE=3][COLOR=#000000]Hi Phil,[/COLOR][/SIZE][/FONT] [FONT=Times New Roman][SIZE=3][COLOR=#000000]JBL actually describe it as a band-pass, however it is not your typical band pass design, it’s more of a reflex enclosure with cavity added to the front – i.e. the second enclosure is tuned very high. …so …. the impedance curve does not look like your typical band pass. It’s a bit like an EAW SB1000. [/COLOR][/SIZE][/FONT] [FONT=Times New Roman][SIZE=3][COLOR=#000000]If you do a simulation, you will see what is happening – you get a bit more SPL at the higher frequencies for adding the cavity. [/COLOR][/SIZE][/FONT] [URL="http://www.jblpro.com/BackOffice/ProductAttachments/JBL_VT4883_v3.pdf"][FONT=Times New Roman][SIZE=3][COLOR=#800080]http://www.jblpro.com/BackOffice/ProductAttachments/JBL_VT4883_v3.pdf[/COLOR][/SIZE][/FONT][/URL] [URL="http://www.eaw.com/info/EAW/Loudspeaker_Product_Info/Current_Loudspeakers/SB1000z/SB1000zP_SPECS_revA.pdf"][FONT=Times New Roman][SIZE=3][COLOR=#800080]http://www.eaw.com/info/EAW/Loudspeaker_Product_Info/Current_Loudspeakers/SB1000z/SB1000zP_SPECS_revA.pdf[/COLOR][/SIZE][/FONT][/URL] [/QUOTE]
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Subwoofer comparison SRX728 vs Vertec 4883
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