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Old 3rd May 2007, 07:55 PM   #1
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Wink Motorola Power Amplifier

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Old 3rd May 2007, 08:22 PM   #2
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Default more than that

i thing that with somany out devices and 52 volts per rail will produce a hell of a lot more than 100w
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Old 3rd May 2007, 08:33 PM   #3
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Default Re: more than that

Quote:
Originally posted by sakis
i thing that with somany out devices and 52 volts per rail will produce a hell of a lot more than 100w
its motorola culculation
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Old 3rd May 2007, 08:46 PM   #4
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Default Re: Re: more than that

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Old 4th May 2007, 12:55 AM   #5
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Designed by Andy Hefley of Great American Sound co. (GAS) , there was also another application note from this series that was essentually an updated Ampzilla design.

Mike
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Old 4th May 2007, 03:34 AM   #6
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"i thing that with somany out devices and 52 volts per rail will produce a hell of a lot more than 100w"

If you used a fully regulated power supply it would.

The Adcom GFA 535 was only rated at 60W/8R with +/- 52V.
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Old 4th May 2007, 04:12 AM   #7
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Default Motorola Amp.

I thought that design looked familiar. 52 volt rails should give you close to 100w into 8ohms. Looks like a good project for a p.c. board layout. Would be an easy build for newbies.
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Old 4th May 2007, 08:14 AM   #8
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If i had not seen my agenda calendar lately this would have been a nice April fool schematic.
Whoever exchanged the output stage must have transplanted a Vette LS6 engine in his 80s Buick Century stationwagon as well.
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Old 4th May 2007, 06:10 PM   #9
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This design embodies the low feedback school , with the VAS stage severely loaded by two 2K7 resistors to ground...

It's not a very low distortion amp...
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Old 4th May 2007, 07:36 PM   #10
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Quote:
Originally posted by Tube_Dude
This design embodies the low feedback school , with the VAS stage severely loaded by two 2K7 resistors to ground...

It's not a very low distortion amp...

What if one eliminated the 2.7K and the snub network from the VAS? The output (albeit overbuilt) reminds me of a low-TIM design from the now defunct Mark-V Electronics kits.
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