I have a SB Classic hooked to a Klipsch Promedia 2.1 setup. This has provided good quality sound for a long time but the amp in the subwoofer burned up. This is typical failure mode for the Promedia system. Rather that replace/repair the Klipsch amp I thought to replace it with a Lepai LP210PA 2x30W + 60W 2.1 plate amp.
To power the Lepai I used a 20vdc HP laptop charger which should provide plenty of power. I converted the charger (3 wire cord) to a dc power supply (2 wire cord). The power plug on the charger has red (+), black (-), and blue (sense) the blue wire is meant to send the laptops battery state back to the charger. I isolated the blue wire and just connected the remain + and wires to a new power plug that fits the Lepai. The switchover to the Lepai was quick and easy. When I turned it on the sound quality was excellent but with very little volume. The SB is set to 100% output. Im confused because this Lepai conversion has been done by others and it should have plenty of juice to produce more volume than this. Not sure though if others were feeding a signal from a SB Classic. Is there any way to up the gain on the SB? I do have a spare Sony receiver I could try and a DC power supply to see my 20vdc hacked power brick is just not delivering enough power. Thoughts? ------------------------------------------------------------------------ traderyoda's Profile: http://forums.slimdevices.com/member.php?userid=30878 View this thread: http://forums.slimdevices.com/showthread.php?t=113854
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