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Old 2nd July 2013, 06:10 PM   #3071
soro is offline soro  Taiwan
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Default new pre-amp same 6xxx

http://bbs.hifidiy.net/thread-805826-1-1.html
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Old 3rd July 2013, 11:58 AM   #3072
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Hi guys, this is still a work in progress.
Its a 5.1 amp system, 5 LM3875T modules for my satellite speakers, and a 250 watt class D module for the subwoofer.
The entire system will soon be controller with an arduino to control speaker protecting, and power saving.
Ampduino!

Ignore that little module in the middle cable tied to the speaker lines, its a temporary 12 volt PSU to get it running for testing.

I still have to mount the power control system, soft start, speaker protection system, and on/off switch.
Oh and snubber caps on the rectifier bridges.

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Old 5th July 2013, 01:29 AM   #3073
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Crap thats in the wrong section!
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Old 5th July 2013, 11:32 AM   #3074
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AX11
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Old 5th July 2013, 11:34 AM   #3075
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Old 5th July 2013, 08:29 PM   #3076
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Default Apex Audio A100 build

Just wanted to thank Apex for this excellent sounding amp. I put the power supply in a separate enclosure; slightly increased the complexity but worth the effort I think. Please see my photos for details.
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Old 6th July 2013, 08:49 AM   #3077
AndrewT is offline AndrewT  Scotland
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Yellow green is the connection from PE on the IEC socket to the Permanent Chassis bolt.

No other wire should use that colour.

Twisted pairs of Flow & Return.
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regards Andrew T.
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Old 6th July 2013, 12:08 PM   #3078
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Quote:
Originally Posted by jamesjbrookes View Post
Just wanted to thank Apex for this excellent sounding amp. I put the power supply in a separate enclosure; slightly increased the complexity but worth the effort I think. Please see my photos for details.
Nice work,
Regards
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Old 6th July 2013, 01:14 PM   #3079
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Quote:
Originally Posted by AndrewT View Post
Yellow green is the connection from PE on the IEC socket to the Permanent Chassis bolt.

No other wire should use that colour.

Twisted pairs of Flow & Return.
Yup, dont use AC wiring colours for your DC stuff, especially dont make Earth anything other then earth.

Other then that a nice layout.
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Old 6th July 2013, 04:08 PM   #3080
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Quote:
Originally Posted by AndrewT View Post
Yellow green is the connection from PE on the IEC socket to the Permanent Chassis bolt.

No other wire should use that colour.

Twisted pairs of Flow & Return.

Noted; I'll make sure my next amp is wired with the correct colours. Thanks for the info.
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