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RE: Grado RA-1 Battery -to- PSU Mod. Issues

An unloaded power supply may not be that tightly regulated. Your RA-1 draws so little current that you might be better off with a 7V DC supply that says "Class 2 Transformer" on the case.


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  • RE: Grado RA-1 Battery -to- PSU Mod. Issues - Caucasian Blackplate 14:15:06 01/17/16 (0)

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