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Re: Two filaments on a battery: bad luck?

Posted by fatbottle on January 29, 2007 at 04:36:04

In Reply to: Two filaments on a battery: bad luck? posted by randallvw on January 28, 2007 at 19:00:18:

Hi ,
In series your batteries will be the same mA/H rating . I have built linestages with shared filaments and used a rechargeable battery between filament - and 0V , but I would recommend a supply for each . You could always place your batteries in series and use a resistor between each filament - and 0V , running your battery from filament + to 0V , it's a concept I used when I ran an all battery linestage and it works very well . This way a much lower value bias resistor could be used . I would recommend some 2500-2800mA/H NiMH per 30 , these should give a very reasonable amount of use before recharge .

cheers

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