Finished BrianGT LM3875 kit

MtBiker · 9th February 2005, 04:17 AM

Final listening is yet to be done, and I need to rework the face to take care of the hole left by the aborted potentiometer, but it's now done and playing nicely. The chassis is plywood with aluminum tape and aluminum flashing for internal shielding. The skins are white acrylic. There are oval holes in the bottom and top to let air flow through the heatsinks.

BrianGT · 9th February 2005, 04:55 AM

Quote:

Originally posted by MtBiker
Final listening is yet to be done, and I need to rework the face to take care of the hole left by the aborted potentiometer, but it's now done and playing nicely. The chassis is plywood with aluminum tape and aluminum flashing for internal shielding. The skins are white acrylic. There are oval holes in the bottom and top to let air flow through the heatsinks.

.image.
.image.

Looks good! If you e-mail me some pictures, I can add you to my gainclone gallery.

--
Brian

MtBiker · 9th February 2005, 05:25 AM

Once I get the front fixed, I will take a few more pics, fix everything up in Photoshop, and send you some for your website.

BrianGT · 9th February 2005, 05:35 AM

Quote:

Originally posted by MtBiker
Once I get the front fixed, I will take a few more pics, fix everything up in Photoshop, and send you some for your website.

Sounds good

Thanks,

--
Brian

G4ME · 9th February 2005, 12:04 PM

where did you snag those rather impressive heat sinks?

MtBiker · 9th February 2005, 03:14 PM

Those came off Pentium III's. Any computer designed to have sufficient internal airflow to not necessitate a fan on the CPU will have a heatsink worth keeping even after the computer is useless

kec · 9th February 2005, 08:15 PM

Brian,

I've been trying to email pics of my GC a couple of months ago. I get some of the emails bounced back. Then I emailed you the link to my photobucket account. In case you do see this, here is my link http://photobucket.com/albums/v521/kecline/

Nice job on your GC MtBiker!

-Ken

G4ME · 9th February 2005, 10:16 PM

I remember seeing those over at hometheaterforum.com. And is prob the most elegant simple implementation of GC i have seen yet, and the main inspiration for me to jump into my first Chip amp.

btw I am Allen Ross over there.

toque_101 · 10th February 2005, 12:33 AM

Hey Kec,

What kind of cable did you use in your mono blocks to go from the rca in to the signal in on the pcb? Looks like some sort of coaxial cable. I'm about to put together one of my BrianGT kits and I was wondering what sort of cable to use for this purpose. I was just going to use some twisted pair from a cat5 cable, but I would like to assemble this kit as nicely as I can.

-steve

homer09 · 10th February 2005, 02:54 AM

Quote:

Originally posted by toque_101
Hey Kec,

What kind of cable did you use in your mono blocks to go from the rca in to the signal in on the pcb? Looks like some sort of coaxial cable. I'm about to put together one of my BrianGT kits and I was wondering what sort of cable to use for this purpose. I was just going to use some twisted pair from a cat5 cable, but I would like to assemble this kit as nicely as I can.

-steve

you should use whatever you used for your interconnects (assuming you like them and they are practical enough to place in chasis)
same thing for connecting binding posts, use your speaker wire. this way you dont get two different colourations in one connection.

9th February 2005, 04:17 AM	#1
MtBiker diyAudio Member Join Date: Jul 2002 Location: Northern Virginia	Finished BrianGT LM3875 kit Final listening is yet to be done, and I need to rework the face to take care of the hole left by the aborted potentiometer, but it's now done and playing nicely. The chassis is plywood with aluminum tape and aluminum flashing for internal shielding. The skins are white acrylic. There are oval holes in the bottom and top to let air flow through the heatsinks.

9th February 2005, 12:04 PM	#5
G4ME diyAudio Member Join Date: Jun 2003 Location: Location: Location	where did you snag those rather impressive heat sinks? __________________ Two little mice fell in a bucket of cream. The first mouse quickly gave up and drowned. The second mouse, wouldn't quit. He struggled so hard that eventually he churned that cream into butter and crawled out.

9th February 2005, 10:16 PM	#8
G4ME diyAudio Member Join Date: Jun 2003 Location: Location: Location	I remember seeing those over at hometheaterforum.com. And is prob the most elegant simple implementation of GC i have seen yet, and the main inspiration for me to jump into my first Chip amp. btw I am Allen Ross over there. __________________ Two little mice fell in a bucket of cream. The first mouse quickly gave up and drowned. The second mouse, wouldn't quit. He struggled so hard that eventually he churned that cream into butter and crawled out.

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9th February 2005, 05:25 AM	#3
MtBiker diyAudio Member Join Date: Jul 2002 Location: Northern Virginia	Once I get the front fixed, I will take a few more pics, fix everything up in Photoshop, and send you some for your website.

9th February 2005, 03:14 PM	#6
MtBiker diyAudio Member Join Date: Jul 2002 Location: Northern Virginia	Those came off Pentium III's. Any computer designed to have sufficient internal airflow to not necessitate a fan on the CPU will have a heatsink worth keeping even after the computer is useless

9th February 2005, 08:15 PM	#7
kec diyAudio Member Join Date: Mar 2001 Location: California	Brian, I've been trying to email pics of my GC a couple of months ago. I get some of the emails bounced back. Then I emailed you the link to my photobucket account. In case you do see this, here is my link http://photobucket.com/albums/v521/kecline/ Nice job on your GC MtBiker! -Ken

10th February 2005, 12:33 AM	#9
toque_101 diyAudio Member Join Date: Jan 2004 Location: Ottawa	Hey Kec, What kind of cable did you use in your mono blocks to go from the rca in to the signal in on the pcb? Looks like some sort of coaxial cable. I'm about to put together one of my BrianGT kits and I was wondering what sort of cable to use for this purpose. I was just going to use some twisted pair from a cat5 cable, but I would like to assemble this kit as nicely as I can. -steve

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