In Reply to: RE: Grado RA-1 Battery -to- PSU Mod. Issues posted by Roastaman on January 11, 2016 at 08:29:58:
See the schematic posted below. The two 9V batteries give you +/- 9V. If the adapters are 2 prong devices, then the DC supply should float, and two separate supplies should work just fine.
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Follow Ups
- RE: Grado RA-1 Battery -to- PSU Mod. Issues - Caucasian Blackplate 11:40:56 01/11/16 (4)
- RE: Grado RA-1 Battery -to- PSU Mod. Issues - Roastaman 09:59:53 01/12/16 (3)
- RE: Grado RA-1 Battery -to- PSU Mod. Issues - Awe-d-o-file 20:29:17 02/06/16 (0)
- RE: Grado RA-1 Battery -to- PSU Mod. Issues - Caucasian Blackplate 14:15:06 01/17/16 (0)
- RE: "Why so much variation?" - 1973shovel 06:07:42 01/14/16 (0)