NAT Magma New HPS

Ron Resnick

Site Co-Owner, Administrator
Jan 24, 2015
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I just noticed that the NAT website is showing a new version of the Magma New SET amplifier. The prior version was the Magma New SE. The new version is the Magma New HPS.


5A7DBC6B-4612-453F-A76A-D1E004490254.jpeg


Is anyone familiar with this new model?

What has Dejan improved upon to create the new HPS model?
 
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morricab

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Apr 25, 2014
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I just noticed that the NAT website is showing a new version of the Magma New SET amplifier. The prior version was the Magma New SE. The new version is the Magma New HPS.


View attachment 99378


Is anyone familiar with this new model?

What has Dejan improved upon to create the new HPS model?
This HPS stands for "Hybrid Power Supply" but I am unclear what NAT means by this. They use the same name for the Single integrated amp (a rather beastly GM70 based integrated).
 
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bazelio

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Sep 26, 2016
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This HPS stands for "Hybrid Power Supply" but I am unclear what NAT means by this. They use the same name for the Single integrated amp (a rather beastly GM70 based integrated).
I don't know but wonder if they're using some sort of DC switching supply. I see no sign of what would need to be massive caps in a traditional power supply given that this tube could swing over 3 kV if operated in Class A2. Big big voltages here, all in a relatively tiny chassis.
 

DasguteOhr

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Sep 26, 2013
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A monster filament 17 volt dc 16- 18ampere = 300watt heating i think they do it with switching power supply. a transformer of that size doesn't fit in there;)
Arround ~2.5 kv anode voltage idle current 300mA max 5kv 1 kilowatt output power.
PWL does too years ago
 

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