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Shootout: KF650e vs DX1565
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<blockquote data-quote="Peter Morris" data-source="post: 57178" data-attributes="member: 652"><p>Re: Shootout: KF650e vs DX1565</p><p></p><p></p><p></p><p><span style="font-size: 12px"><span style="font-family: 'arial'"><span style="color: #231f20">Hi Langston,</span></span></span></p><p><span style="font-size: 12px"><span style="font-family: 'arial'"><span style="color: #231f20"></span></span></span></p><p><span style="font-size: 12px"><span style="font-family: 'arial'"><span style="color: #231f20">The UX does not allow very many volts in or out-</span></span></span></p><p><span style="font-size: 12px"><span style="font-family: 'arial'"><span style="color: #231f20"><a href="http://www.eaw.com/products/ux8800.html" target="_blank"><span style="color: #0000ff">http://www.eaw.com/products/ux8800.html</span></a>- see preliminary spec sheet.</span></span></span></p><p><span style="font-size: 12px"><span style="font-family: 'arial'"><span style="color: #231f20"></span></span></span></p><p><span style="font-size: 12px"><span style="font-family: 'arial'"><em><span style="color: #231f20">Input: Max level - 18 dBu, 6.2 V</span></em></span></span></p><p><span style="font-size: 12px"><span style="font-family: 'arial'"><em><span style="color: #231f20">Output: Max level - 18 dBu, 6.2 V @ >600 ohm load</span></em></span></span></p><p><span style="font-size: 12px"><span style="font-family: 'arial'"><em><span style="color: #231f20"></span></em></span></span></p><p><span style="font-size: 12px"><span style="font-family: 'arial'"><span style="color: #231f20">So it becomes critical how you set the input and output gains. It would be very easy to overload the input and not get enough output to drive the pass bands.</span></span></span></p><p><span style="font-size: 12px"><span style="font-family: 'arial'"><span style="color: #231f20"></span></span></span></p><p><span style="font-size: 12px"><span style="font-family: 'arial'"><span style="color: #231f20">I suspect what they have done is adjust the gains to achieve maximum noise and sonic performance while still being able achive the output voltage needed.</span></span></span></p><p><span style="font-size: 12px"><span style="font-family: 'arial'"><span style="color: #231f20"></span></span></span></p><p><span style="font-size: 12px"><span style="font-family: 'arial'"><span style="color: #231f20"></span></span></span><span style="font-size: 15px"><span style="font-family: 'tahoma'"><span style="color: #231f20"><span style="font-family: 'ArialMT'"><span style="font-size: 12px"><span style="font-family: 'arial'">I used Powersoft K10s on my 730s - @26dB of gain they needed 6.34 volts to achieve full output - more than the UX can deliver, so I always ran the K10s on 32 or 35 dB.... with only 18dBu in and out there is not much to play with.</span></span></span></span></span></span></p><p><span style="font-size: 15px"><span style="font-family: 'tahoma'"><span style="color: #231f20"><span style="font-family: 'ArialMT'"><span style="font-size: 12px"><span style="font-family: 'arial'"></span></span></span></span></span></span></p><p><span style="font-size: 15px"><span style="font-family: 'tahoma'"><span style="color: #231f20"><span style="font-family: 'ArialMT'"><span style="font-size: 12px"><span style="font-family: 'arial'"></span></span></span></span></span></span></p><p><span style="font-size: 15px"><span style="font-family: 'tahoma'"><span style="color: #231f20"><span style="font-family: 'ArialMT'"><span style="font-size: 12px"><span style="font-family: 'arial'"></span></span></span></span></span></span></p><p><span style="font-size: 15px"><span style="font-family: 'tahoma'"><span style="color: #231f20"><span style="font-family: 'ArialMT'"><span style="font-size: 12px"><span style="font-family: 'arial'"></span></span><span style="font-family: 'arial'"><span style="font-size: 12px"><span style="color: #231f20">@Marlow,</span></span></span></span></span></span></span></p><p><span style="font-size: 15px"><span style="font-family: 'tahoma'"><span style="color: #231f20"><span style="font-family: 'ArialMT'"><span style="font-family: 'arial'"><span style="font-size: 12px"><span style="color: #231f20"></span></span></span></span></span></span></span></p><p><span style="font-size: 15px"><span style="font-family: 'tahoma'"><span style="color: #231f20"><span style="font-family: 'ArialMT'"><span style="font-family: 'arial'"><span style="font-size: 12px"><span style="color: #231f20">There is no problem with the limiters, they work fine, and you will not need to do anything.</span></span></span></span></span></span></span></p><p><span style="font-size: 15px"><span style="font-family: 'tahoma'"><span style="color: #231f20"><span style="font-family: 'ArialMT'"><span style="font-family: 'arial'"><span style="font-size: 12px"><span style="color: #231f20">B U T you will need to time-align the subs to the tops. The latency for the tops is different to the subs, believe it or not.</span></span></span></span></span></span></span></p><p><span style="font-size: 15px"><span style="font-family: 'tahoma'"><span style="color: #231f20"><span style="font-family: 'ArialMT'"><span style="font-family: 'arial'"></span><span style="font-size: 12px"><span style="font-family: 'arial'"><span style="color: #231f20"><span style="font-family: 'ArialMT'"><span style="font-family: 'arial'">Here are some examples of the addition sub delay needed when the boxes are physically aligned -</span></span></span></span></span></span></span></span></span></p><p><span style="font-size: 15px"><span style="font-family: 'tahoma'"><span style="color: #231f20"><span style="font-family: 'ArialMT'"><span style="font-size: 12px"><span style="font-family: 'arial'"><span style="color: #231f20"><span style="font-family: 'ArialMT'"></span></span></span></span></span></span></span></span></p><p><span style="font-size: 15px"><span style="font-family: 'tahoma'"><span style="color: #231f20"><span style="font-family: 'ArialMT'"><span style="font-size: 12px"><span style="font-family: 'arial'"><span style="color: #000000">SB528 (5ms) with KF650i/E</span></span></span></span></span></span></span></p><p><span style="font-size: 15px"><span style="font-family: 'tahoma'"><span style="color: #231f20"><span style="font-family: 'ArialMT'"><span style="font-size: 12px"><span style="font-family: 'arial'"><span style="color: #000000">SB528 (4.5ms) with KF730</span></span></span></span></span></span></span></p><p><span style="font-size: 15px"><span style="font-family: 'tahoma'"><span style="color: #231f20"><span style="font-family: 'ArialMT'"><span style="font-size: 12px"><span style="font-family: 'arial'"><span style="color: #000000">SB730 (3.75ms) with KF730</span></span></span></span></span></span></span></p><p><span style="font-size: 15px"><span style="font-family: 'tahoma'"><span style="color: #231f20"><span style="font-family: 'ArialMT'"><span style="font-size: 12px"><span style="font-family: 'arial'"><span style="color: #000000">SB730 (2ms -6db) with 2 x JFX260i BiAmp</span></span></span></span></span></span></span></p><p><span style="font-size: 15px"><span style="font-family: 'tahoma'"><span style="color: #231f20"><span style="font-family: 'ArialMT'"><span style="font-size: 12px"><span style="font-family: 'arial'"><span style="color: #000000">SB750 (7ms) with KF750 (using KF750x2-4 TRI Greybox)</span></span></span></span></span></span></span></p><p><span style="font-size: 15px"><span style="font-family: 'tahoma'"><span style="color: #231f20"><span style="font-family: 'ArialMT'"><span style="font-size: 12px"><span style="font-family: 'arial'"><span style="color: #000000">SB750 (8ms) with KF750 (using KF750+KF755 TRI Greybox)</span></span></span></span></span></span></span></p><p><span style="font-size: 15px"><span style="font-family: 'tahoma'"><span style="color: #231f20"><span style="font-family: 'ArialMT'"><span style="font-size: 12px"><span style="font-family: 'arial'"><span style="color: #000000">SB750 (4.5ms) with KF730</span></span></span></span></span></span></span></p><p><span style="font-size: 15px"><span style="font-family: 'tahoma'"><span style="color: #231f20"><span style="font-family: 'ArialMT'"><span style="font-size: 12px"><span style="font-family: 'arial'"><span style="color: #000000">SB850 (4.5ms) with KF730</span></span></span></span></span></span></span></p><p><span style="font-size: 15px"><span style="font-family: 'tahoma'"><span style="color: #231f20"><span style="font-family: 'ArialMT'"><span style="font-size: 12px"><span style="font-family: 'arial'"></span></span></span></span></span></span></p><p><span style="font-size: 15px"><span style="font-family: 'tahoma'"><span style="color: #231f20"><span style="font-family: 'ArialMT'"><span style="font-size: 12px"><span style="font-family: 'arial'"></span></span></span></span></span></span></p><p><span style="font-size: 15px"><span style="font-family: 'tahoma'"><span style="color: #231f20"><span style="font-family: 'ArialMT'"><span style="font-size: 12px"><span style="font-family: 'arial'">Peter</span></span></span></span></span></span></p><p><span style="font-size: 15px"><span style="font-family: 'tahoma'"><span style="color: #231f20"><span style="font-family: 'ArialMT'"><span style="font-size: 12px"><span style="font-family: 'arial'"></span></span></span></span></span></span></p><p><span style="font-size: 15px"><span style="font-family: 'tahoma'"><span style="color: #231f20"><span style="font-family: 'ArialMT'"></span></span></span></span></p></blockquote><p></p>
[QUOTE="Peter Morris, post: 57178, member: 652"] Re: Shootout: KF650e vs DX1565 [SIZE=3][FONT=arial][COLOR=#231f20]Hi Langston, [/COLOR] [COLOR=#231f20]The UX does not allow very many volts in or out-[/COLOR] [COLOR=#231f20][URL="http://www.eaw.com/products/ux8800.html"][COLOR=#0000ff]http://www.eaw.com/products/ux8800.html[/COLOR][/URL]- see preliminary spec sheet. [/COLOR] [I][COLOR=#231f20]Input: Max level - 18 dBu, 6.2 V[/COLOR][/I] [I][COLOR=#231f20]Output: Max level - 18 dBu, 6.2 V @ >600 ohm load [/COLOR][/I] [COLOR=#231f20]So it becomes critical how you set the input and output gains. It would be very easy to overload the input and not get enough output to drive the pass bands. [/COLOR] [COLOR=#231f20]I suspect what they have done is adjust the gains to achieve maximum noise and sonic performance while still being able achive the output voltage needed. [/COLOR][/FONT][/SIZE][SIZE=4][FONT=tahoma][COLOR=#231f20][FONT=ArialMT][SIZE=3][FONT=arial]I used Powersoft K10s on my 730s - @26dB of gain they needed 6.34 volts to achieve full output - more than the UX can deliver, so I always ran the K10s on 32 or 35 dB.... with only 18dBu in and out there is not much to play with. [/FONT][/SIZE][FONT=arial][SIZE=3][COLOR=#231f20]@Marlow, [/COLOR][/SIZE] [SIZE=3][COLOR=#231f20]There is no problem with the limiters, they work fine, and you will not need to do anything.[/COLOR][/SIZE] [SIZE=3][COLOR=#231f20]B U T you will need to time-align the subs to the tops. The latency for the tops is different to the subs, believe it or not.[/COLOR][/SIZE] [/FONT][SIZE=3][FONT=arial][COLOR=#231f20][FONT=ArialMT][FONT=arial]Here are some examples of the addition sub delay needed when the boxes are physically aligned -[/FONT] [/FONT][/COLOR][/FONT][/SIZE] [SIZE=3][FONT=arial][COLOR=#000000]SB528 (5ms) with KF650i/E SB528 (4.5ms) with KF730 SB730 (3.75ms) with KF730 SB730 (2ms -6db) with 2 x JFX260i BiAmp SB750 (7ms) with KF750 (using KF750x2-4 TRI Greybox) SB750 (8ms) with KF750 (using KF750+KF755 TRI Greybox) SB750 (4.5ms) with KF730 SB850 (4.5ms) with KF730[/COLOR] Peter [/FONT][/SIZE] [/FONT][/COLOR][/FONT][/SIZE] [/QUOTE]
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