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Alpha 77Sx Photos - PWDP13009

 
 
 

Modification Photos for Part Number PWDP13009

Installation (Alpha 77Sx) Amplifier

 

Photos compliments of Dr. Electronics 2013 - WELL DONE:

The Alpha 77Sx requires power supply modifications to handle the higher voltage of the Peter W. Dahl - PWDP13009 transformer. A few photos are shown below to help you with some installation ideas. Remember - these voltages are lethal and any repair and/or modifications should be made only by people experienced with high voltage circuitry & safety.


Dahl Transformer Arrived
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Upgraded 5K VDCW Filter Cap Required
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Upgraded Filter Cap. Installed
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Upgraded Diode String Required
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Original (left) vs. Dahl (right)
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Not Much Extra Room !
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Mounted & Plugged In
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Up & Running
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Result Plate Voltage = 5,000 VDC
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Output Power Capability = Over 4KW
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