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In Reply to: RE: Juli@ external PSU/batteries posted by sondale on April 3, 2009 at 15:11:14:
hi sondale ,
the problem of comparing batteries with PSUs is that most of the DYIs use one batterie and thats the end of the story.
The brand of the batteries is not as important as the number of the batteries. There is a difference in the inner resistance of certain batteries ( Low ESR Optoma or northstar long life expectance, but 200€ for one) but if you take four cheap ones you get 1/8 of inner resistance of one
You will hear the difference.The biggest effect is in combination with Class-D Amps.My new combo blows away my old 20.000€ tube amp.But also the buffalo, the Juli@ my zap-outputstage and the pc are on much higher level than with conventional PSUs.
If You decide to do it You take four 6 Volts parallel to a regulator ( thel or like hanssatink did it) and do the charging when you stop playing with a constant voltage source at 6,9 Volt , so there is no problem of overcharging and the charger can be connected all the time.Full charging is at 7,2 Volt.
bye
alfred
PS: i compared NiMH ,Lithium and normal alkalines and the paralleled sealed acid are the winner.
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Follow Ups
- RE: Juli@ external PSU/batteries - sonics 00:21:02 04/04/09 (3)
- RE: Juli@ external PSU/batteries - Ryelands 02:41:12 04/04/09 (2)
- RE: Juli@ external PSU/batteries - sonics 12:43:03 04/04/09 (0)
- RE: Juli@ external PSU/batteries - hanssatink 07:33:54 04/04/09 (0)
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