Hi!   I have an Auzentech X-Fi HomeTheater HD equipped with AD797 for front channels and a Sennheiser headphone is on its way.   I don't know the schematics of this card, are my OP-AMPs also used for headphone output? There is a JRC4580 near the headphone jack, is it worth to upgrade this...

Hi everyone!   I have an Auzentech HomeTheater HD  (modded with AD797 OPAMPs for front and OPA1602 for surround speakers). I run this card in 7.1 mode with a Razer Tiamat 7.1 headset. All was working well, but some days ago, the side left speaker stopped working. The channel runs on very low...