ECC82 pre with cathode follower - Page 5

disco · 30th November 2019, 07:37 AM

ok, so far I got six layers of paint on. What was I thinking spray painting in this cold weather. Sometimes thinking hurts but no gain without a little pain. It proved not a good idea to warm the chassis in a oven just before spray painting it outside

) Oh well, there's always a sandpaper...

Diabolical Artificer · 30th November 2019, 09:11 AM

Been there before.... sanding bad finish, repaint only to get a drip or orange peeling. More sanding till your arm drops off : )

I've been painting a chassis this week, 2mm thick ali, I warm the various parts in front of the fire, not too warm though and put my spray can in the same place to warm giving it a shake every 5 minutes or so.

Andy.

kodabmx · 30th November 2019, 04:44 PM

I took 3 days to repaint a bicycle. I spent more time and money on stripper, paint, and sandpaper than it would have cost to have the thing powder coated.

disco · 2nd December 2019, 12:23 AM

hey, it's the satisfaction of own labor that counts

My compressor is in a frosty shed and thinning paint only works to a limited degree as the case starts dipping when drying inside the house. Almost got the blisters out, perhaps another three or four layers to go.

disco · 4th December 2019, 10:42 AM

Waitin' for the paint to stop dripping I did some more modelling, with Micro Cap this time. Output impedance is confirmed to be non-existant (flat from DC to 20KHz). Although the LTspice result is confirmed both programs might use the same dodgy underlaying core-SW. Opinions are welcome because I have a hard time to accept the not of this world outcome.

2nd December 2019, 12:23 AM	#44
disco diyAudio Member Join Date: Apr 2006 Location: Holland	hey, it's the satisfaction of own labor that counts My compressor is in a frosty shed and thinning paint only works to a limited degree as the case starts dipping when drying inside the house. Almost got the blisters out, perhaps another three or four layers to go. __________________ jaap

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30th November 2019, 09:11 AM	#42
Diabolical Artificer diyAudio Member Join Date: May 2014 Location: UK	Been there before.... sanding bad finish, repaint only to get a drip or orange peeling. More sanding till your arm drops off : ) I've been painting a chassis this week, 2mm thick ali, I warm the various parts in front of the fire, not too warm though and put my spray can in the same place to warm giving it a shake every 5 minutes or so. Andy.

30th November 2019, 04:44 PM	#43
kodabmx Spreading triode love. diyAudio Member Join Date: Oct 2011 Location: Toronto	I took 3 days to repaint a bicycle. I spent more time and money on stripper, paint, and sandpaper than it would have cost to have the thing powder coated.