The Maplin MosFet Amp

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sinus trouble
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The Maplin MosFet Amp

Post by sinus trouble » Fri Nov 24, 2017 10:58 pm

Hello Necks! :)
A bit off topic but still relevant to audio gear, So I thought id upload it for nostalgic value!
Debated many times by audiophiles over the years? I think it was a great kit providing the PSU was up to standards!
I couldn't seem to upload the final page? But if requested I will send!
Mosfet Amp01.JPG
Mosfet Amp02.JPG
Mosfet Amp03.JPG
Mosfet Amp04.JPG
Mosfet Amp05.JPG
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I am as stupid as I look! :|

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thewisepranker
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Re: The Maplin MosFet Amp

Post by thewisepranker » Fri Nov 24, 2017 11:37 pm

Figure 3 is drawn incorrectly. The numbers for Vgs are in reverse order. They should go from one to ten with Vgs = 1 closest to the number 50 on the x axis (for Vds).

Albert H
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Re: The Maplin MosFet Amp

Post by Albert H » Fri Nov 24, 2017 11:51 pm

I've still got a couple of those in a box of junk somewhere here. They were really good for high level modulation of 50 Watt Medium Wave rigs!
"Why is my rig humming?"
"Because it doesn't know the words!"
;)

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sinus trouble
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Re: The Maplin MosFet Amp

Post by sinus trouble » Sat Nov 25, 2017 7:30 pm

This circuit has been modified soo many times yet the literature stayed original!
I remember building mine years ago and most of the components didn't match the parts list lol
I guess replaced by newer 'modern' components, A fun build all the same though! :)
I am as stupid as I look! :|

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