00:11 <whitequark> wow, kubuntu is hideously slow

00:11 <whitequark> it takes 10 minutes to boot on my ssd for some moronic reason

00:14 <whitequark> oh, just needed more RAM... 768MB not enough

00:37 <whitequark> DocScrutinizer05: http://fehu.whitequark.org/files/kubuntulol.gif

00:37 <whitequark> kubuntu boots in text mode but renders graphics into the framebuffer for some bizarre reason

00:37 <whitequark> thats the weirdest glitch i've seen in a while

01:17 <whitequark> DocScrutinizer05: ok you're in luck cuz i found how to fix it

01:22 <whitequark> DocScrutinizer05: do this (from build dir): git checkout .. ; git pull ; make ; ./src/solvespace

01:22 <whitequark> should be fixed now

02:05 <DocScrutinizer05> wow, yes

02:13 <whitequark> yes to what?

15:15 <arossdotme> hmm been looking at the datasheets again of the tas5630 and tk2050... hmmm tas5630 isnt as good as tpa3116 THD wise. the tas5630 thd+noise shoots up around 150w from 0.1% to 1% 200w and then for the last 100w its 1%-10% urggh me thinks. hmm

15:19 <arossdotme> i see now what you mean, tas5630 isnt really a 300w amp cus buy that point its not sounding so good

15:19 <DocScrutinizer05> so call it a 150W amp

15:20 <arossdotme> yea :)

15:21 <arossdotme> hmm

15:21 <DocScrutinizer05> iirc decent HiFidelity amps from the analog age were speced at 0.1% THD or less at rated power

15:21 <arossdotme> oh right

15:22 <DocScrutinizer05> like "80W RMS at 4Ohm, 0.1% THD"

15:23 <DocScrutinizer05> the went into like 50% THD shortly after that, which isn't a nice thing either

15:24 <DocScrutinizer05> generally you never want to operate an amp at rated power

15:24 <arossdotme> urrgh 50% icky

15:24 <arossdotme> hm hmm hmm

15:25 <DocScrutinizer05> but at least it shouldn't escape blue magic smoke when you do

15:25 <arossdotme> heh :D

15:25 <arossdotme> i see more why diyaudio.com people where keen about tpa3116. cus its at rated power below or upto 0.1%

15:26 <DocScrutinizer05> then came China and PMOP or whatever the term, like "this amp *could* deliver 200W, for 1 microsecond, to an ideal zero Ohm speaker, when you operate it on 500V mains and give it thicker internal wiring"

15:27 <arossdotme> urrgh

15:28 <DocScrutinizer05> silly little circuits size of a matchbox were suddenly tagged "50W"

15:29 <arossdotme> i havent see that thankfuly in my young, recent years of looking at amps

15:29 <DocScrutinizer05> 5.1 sets for a 100 bucks were suddenly "400W"

15:29 <DocScrutinizer05> despite having a mains fuse of only 0.5A

15:30 <arossdotme> The reason im buying amp boards is so then i know what chip im getting and so (depending on the quality of the components) i know what specs i should be getting thanks to the datasheet!

15:31 <arossdotme> instead of depending on marketing description, or perception reviews

15:31 <arossdotme> also so then i can have the amps battery powered. thanks a huge reason :D

15:31 <arossdotme> thanks=thats

15:38 <arossdotme> im trying to understand how this does 300w into 4ohm or 150w into 8ohm when the datasheet graph for parrell outputs doesnt go that high. the graph is also marked at being for 30Vin wheres hifimediy say 48Vin

15:38 <arossdotme> http://hifimediy.com/amplifiers/diy-amplifiers/T3-mono

15:39 <arossdotme> looks like the tas5630 is better, and i think more efficient

15:39 <arossdotme> better = lower THD?

15:42 <arossdotme> i have a http://hifimediy.com/amplifiers/diy-amplifiers/T1-M-amplifier which runs hoter and his a higher current draw then the tpa3116 but it does have slightly or a little lower noise floor

15:42 <arossdotme> his=runs

15:42 <arossdotme> no his=has

15:43 <arossdotme> tk2050 was a early class-d chip