My Class D DIY - gainclone clone - Page 2

Andrewbee · 12th March 2006, 07:57 PM

Quote:

In fact i am so impressed i will be selling my Linn Aktive based system... see Audiogon soon

Charlize strikes again.

Very nice work! I wish I could make something even half as good looking.

Andrew

D0Hbert · 12th March 2006, 10:55 PM

I noticed you used 2 off-on switches for the soft-start circuit, how did you wire it? Thanks

vt4c · 13th March 2006, 12:17 AM

Neil,

Fantastic piece of work!

neil_kaye · 13th March 2006, 02:33 PM

vt4c... thanks for the kind workds and the lesson in ohm's law

DOHbert;
the two switches you see at the pack of the power supply unit are SPDT switches which are not true on-off rockers. Each switch has 3 pins- the cente for power in and the outer pins for the switched condtions.
Switch one was wired to live line in (pin 0-center), pin 2 was wired to live out and pin 3 was left empty.
Switch two was wired to theDC power out. Pin 0 (center) took the +ve 12VDC in., pin 2 to the soft start circuit, and pin 3 to the 12VDC out.
This way switch one controlled power on/off whilst switch two provided for the soft start switch.
Hope this helps

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12th March 2006, 10:55 PM	#12
D0Hbert diyAudio Member Join Date: Sep 2004 Location: Manila	I noticed you used 2 off-on switches for the soft-start circuit, how did you wire it? Thanks

13th March 2006, 12:17 AM	#13
vt4c diyAudio Member Join Date: Jan 2001 Location: Malaysia	Neil, Fantastic piece of work!

13th March 2006, 02:33 PM	#14
neil_kaye diyAudio Member Join Date: Dec 2005 Location: San Francisco	vt4c... thanks for the kind workds and the lesson in ohm's law DOHbert; the two switches you see at the pack of the power supply unit are SPDT switches which are not true on-off rockers. Each switch has 3 pins- the cente for power in and the outer pins for the switched condtions. Switch one was wired to live line in (pin 0-center), pin 2 was wired to live out and pin 3 was left empty. Switch two was wired to theDC power out. Pin 0 (center) took the +ve 12VDC in., pin 2 to the soft start circuit, and pin 3 to the 12VDC out. This way switch one controlled power on/off whilst switch two provided for the soft start switch. Hope this helps

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