I may have a better solution! First, why do you want to replace the stock batteries? Are they actual D-cells [in series...12v] or is it a battery pack?
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Sometime ago I had to replace the batteries of my PLP. I did not want to wait for a Nagra replacement and bought 8 D size NiCd cells that I wraped in two thin cylinders - I did not nottice any difference in performance. I think they are 4Ah batteries. NiCd batteries have a lower internal resistance than equivalent size NiMH - but it should not be important for this application that does not ask for high peak current. Anyway, the advice from Nagra should be considered - in doubt ask John Quick at Nagra USA : [email protected] . |
Thanks for feedback. My batteries are two years old. If I listen over a weekend, they discharge over the next day or two. If I want to listen to music say a week later, I need to turn on the charger and charge for 15 minutes before turning the pre-amp unit on. After the batteries have been completely charged up the unit runs less than 2 minutes from battery. My sense is that Nagra is not buying batteries from the best supplier. |
You should change the batteries as soon as possible - even when the preamp is working with mains the battery has a filter action. I noticed that my PLP batteries where needing replacement because the sound was becoming less full bodied and clear and I tried to use it out of the mains supply. BTW, to increase battery life you should discharge them almost fully from time to time, specially the first times you use them. Mine lasted for almost four years. |
I have a Nagra PLP and I have the same problem with the batteries you all like to know the type, size, brand and wed site where I can buy these batteries. The ones I have currently installed in the PLP are the original Nagra (Very expensive $ 220.00) the tension was 11.16 v but it takes three hours to activate. Thanks Rafael |
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