Transformer chassis layout

Richard Ellis · 24th December 2007, 01:06 AM

Have a question...has anybody experimented with a vertical stacking of magnetic components? I'm running out of room on the chassis so I want to put a grounded ( Earthed) metal plate to isolate the AC flux off the chokes.....or am I opening a can of magnetized worms?
_______________________________________Rick....... .

Brett · 26th December 2007, 02:52 AM

I tend to build all my amps vertically now. I find it easier. I use three stacks: PT + L + C : turrwt board, final filtering etc (+OPTs in poweramps) : only tubes out the top.

Layout follows the same considerations, and I mock up first and test for hum with it on before making final PT, OPT, PS-L positioning decisions.

PS: a stereo poweramp is about the same size as a desktop PC. With tubes sticking out the top.

Brett · 26th December 2007, 02:57 AM

Just noticed you're using 813's. My PP 183 Triode amps were the same size as a two drawer filing cabinet and weighed ~50kg/channel.

Steven-H · 27th December 2007, 01:19 AM

Quote:

Originally posted by Brett
Just noticed you're using 813's. My PP 183 Triode amps were the same size as a two drawer filing cabinet and weighed ~50kg/channel.

PICS

Brett · 27th December 2007, 01:42 AM

Quote:

Originally posted by Steven-H
PICS

Long disassembled I'm sorry, but I still have all the component parts. It put out too much heat to use in the summer, and I've since moved to a smaller house where I don't need the power. It was as ugly as hell.
All the weight was from the 4 10kg chokes I used in the LCLC filament supplies.

Steven-H · 27th December 2007, 01:54 PM

Ah, a pitty !
Do you have a schematic ? Mainly Im curious as to what you used for your filament supply.

Thanks,
Steve

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26th December 2007, 02:52 AM	#2
Brett diyAudio Member Join Date: Jan 2002	I tend to build all my amps vertically now. I find it easier. I use three stacks: PT + L + C : turrwt board, final filtering etc (+OPTs in poweramps) : only tubes out the top. Layout follows the same considerations, and I mock up first and test for hum with it on before making final PT, OPT, PS-L positioning decisions. PS: a stereo poweramp is about the same size as a desktop PC. With tubes sticking out the top.

26th December 2007, 02:57 AM	#3
Brett diyAudio Member Join Date: Jan 2002	Just noticed you're using 813's. My PP 183 Triode amps were the same size as a two drawer filing cabinet and weighed ~50kg/channel.

27th December 2007, 01:54 PM	#6
Steven-H diyAudio Member Join Date: Jan 2007 Location: The 1st State	Ah, a pitty ! Do you have a schematic ? Mainly Im curious as to what you used for your filament supply. Thanks, Steve

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