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Audio and Video Talk
The Vintage Audio Section
LF a power supply for a Nagra 4.2 RtoR tape deck
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<blockquote data-quote="mafioso" data-source="post: 272097" data-attributes="member: 572"><p>Some feedback to Steerpike.</p><p></p><p>I made up 4 12Vdc 21W single filament tailight car bulbs in series. I first tried lighting them on a 12V l/a alarm/UPS (they go rather dim), then on a good quality 12Vdc 1000mA AC adaptor (better) and then finally on the SMPS. Here the bulbs are lit at their dimmest and flashing like an indicator bulb.</p><p></p><p>What would you think of this - the SMPS kaput?</p><p></p><p>Btw, someone over at Tapeheads.net has kindly posted a description with pics of the innards of the 4.2 Nagra's PSU.</p><p></p><p>Regards</p><p></p><p>mafioso</p></blockquote><p></p>
[QUOTE="mafioso, post: 272097, member: 572"] Some feedback to Steerpike. I made up 4 12Vdc 21W single filament tailight car bulbs in series. I first tried lighting them on a 12V l/a alarm/UPS (they go rather dim), then on a good quality 12Vdc 1000mA AC adaptor (better) and then finally on the SMPS. Here the bulbs are lit at their dimmest and flashing like an indicator bulb. What would you think of this - the SMPS kaput? Btw, someone over at Tapeheads.net has kindly posted a description with pics of the innards of the 4.2 Nagra's PSU. Regards mafioso [/QUOTE]
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Audio and Video Talk
The Vintage Audio Section
LF a power supply for a Nagra 4.2 RtoR tape deck
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