First Watt SIT-1 - Input Sensitivity - diyAudio
 First Watt SIT-1 - Input Sensitivity
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 12th March 2015, 07:46 AM #1 diyAudio Member   Join Date: Mar 2007 First Watt SIT-1 - Input Sensitivity Could anyone explain to me how to calculate (or indeed know) the input sensitivity of the First Watt SIT-1 amps?
 12th March 2015, 08:14 AM #2 diyAudio Member     Join Date: Jan 2003 Location: ancient Batsch , behind Iron Curtain per P=U^2/R , 10W/8R means U=8V94 rms at output as 18db of gain means 7.94V/V (per db=20log(V/V) ) so ...... 8V94/(7V94V/V) ........ you need 1V12 at input , for full blast at output __________________ my Papa is smarter than your Nelson ! clean thread; Cook Book;PSM LS Cook Book;Baby DiyA ;Mighty ZM's Bloggg;Papatreasure;Papa...© by Mighty ZM
 12th March 2015, 08:27 AM #3 diyAudio Member   Join Date: Mar 2007 Thank you Zen Mod for the speedy explanation, it is great to know how to work these things out. As it stands my TP Buffallo DAC/Legato outputs exactly 1.5v. That, as they say in Mary Poppins, is Fortuitous :-)
 12th March 2015, 08:35 AM #4 diyAudio Member     Join Date: Jan 2003 Location: ancient Batsch , behind Iron Curtain ya mean - supercalifragilisticexpialidocious ! __________________ my Papa is smarter than your Nelson ! clean thread; Cook Book;PSM LS Cook Book;Baby DiyA ;Mighty ZM's Bloggg;Papatreasure;Papa...© by Mighty ZM
 12th March 2015, 10:22 AM #5 diyAudio Member   Join Date: Mar 2007 Yes I'm hoping for supercalifragilisticexpialidocious Zen Mod, they hopefully arrive the middle of next week so we shall see. Current amps are Welborne Terraplane Monoblock 300B's & speakers are Beauhorn.. horns... 'Chim Chimney'
 12th March 2015, 11:55 AM #6 diyAudio Member     Join Date: Jan 2003 Location: ancient Batsch , behind Iron Curtain mmmmmmmm SIT1 ....... yum yum ... __________________ my Papa is smarter than your Nelson ! clean thread; Cook Book;PSM LS Cook Book;Baby DiyA ;Mighty ZM's Bloggg;Papatreasure;Papa...© by Mighty ZM

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