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DIY & Tutorials
DIY For Audio
Perhaps in the new year ....
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<blockquote data-quote="handsome" data-source="post: 48912" data-attributes="member: 772"><p>i dont hate solid state...in fact i have a lot of equipment that is purely solid state...even as i type i am listening to my spin dryer, having just used a lovely defy washing machine and snack continuously from a solid state fridge...but of course the microwave, my pride and joy, uses a klystron - i think... well some sort of tube i believe....seriously though my first phono preamp was solid stae LM833, passive eq and a tl431 shunt regulator fed by a lm317 constant current source but then it was shoehorned into a valve preamp.....didn't let the side down though</p><p></p><p>I would also be most interested in any noise measurement techniques....i have read several texts on calculating noise...but measuring is i gather, another story. I saw an article once on building a noise measurement amplifier. basically an amp with a gain of 60dB (i think it was ad797 based) to raise the DUT's noise floor to enable it to be measured....</p></blockquote><p></p>
[QUOTE="handsome, post: 48912, member: 772"] i dont hate solid state...in fact i have a lot of equipment that is purely solid state...even as i type i am listening to my spin dryer, having just used a lovely defy washing machine and snack continuously from a solid state fridge...but of course the microwave, my pride and joy, uses a klystron - i think... well some sort of tube i believe....seriously though my first phono preamp was solid stae LM833, passive eq and a tl431 shunt regulator fed by a lm317 constant current source but then it was shoehorned into a valve preamp.....didn't let the side down though I would also be most interested in any noise measurement techniques....i have read several texts on calculating noise...but measuring is i gather, another story. I saw an article once on building a noise measurement amplifier. basically an amp with a gain of 60dB (i think it was ad797 based) to raise the DUT's noise floor to enable it to be measured.... [/QUOTE]
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DIY & Tutorials
DIY For Audio
Perhaps in the new year ....
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