WM8805 in software mode

I was fortunate enough that dimdim had a friend who had an extra of the PCB’s (look at the link to his blog above), I immediately said I wanted it of course 🙂

Go check out his blog, some great stuff there!

/Mayday 2018/05/11

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L20D class D amp enclosure

It arrived today 🙂

I don’t know if I’ll be able to fit a linear supply in it though.

/Mayday 2018/05/08

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Got the L20D amplifier modules

They arrived at my door today 🙂

I’ve started working on them, more information on the blog page about this project.

/Mayday 2018/05/07

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L20D class D update

Just a small update, I got a 500VA 2x48Vac audio power transformer from toroidy should I not be happy with the switch mode power supply.

/Mayday 2018/05/04

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Pain again

No diy done in a couple of days as my pain and time has not been on my side.

I’ve got 4x 4700uF/100V Epcos screw terminal capacitors on the way for the Class D amplifier project though, and some beefier resistors for the spots where people have reported warm, in some cases discolored, resistors.

/Mayday 2018/05/01

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Class D amplifier

As I previously used a tube preamp with a Class D power amp, with very good results, I figured why not try that again?

So, I have a pair of L20D boards (250W/8ohm) and a +/-70Vdc 500W smps power supply on the way.

They should arrive in about a week.

I’ll document the build and results on here of course.

/Mayday 2018/04/29

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ECC88 preamp small update

Got started on the wiring.

It is very rough at the moment, I will tidy it up later.

/Mayday 2018/04/28

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