So I was sitting here, watching a movie, adn suddenly I heard the left channel change. After some fiddling.. it's the amp that's faulty... The left channel now doesn't produce the level it should, and warbles.. the sound is kind of grainy. There is no extra hiss.. in fact the hiss with...

I recently flew from central america to Canada... I had my amp packed in my luggage. On arriving, I notice a quite audible hiss.. it's quiet, not nasty, fairly soft.. but definitely audible. It does not increase with incrased volume, and is even heard for a few moments after the DC is...

I've been googling around for an answer, but can't seem to find it.. Are the two jacks on this amp the same? How are they connected internally? I've noticed a volume difference between the two... Ivé also noticed if I'm listening to my HD570s on B, and plug the Sony MDR-V500 (eww) into A...

Now.. I'm a technical guy.. and I generally understand all these terms.. but I keep hearing people talk about CD players that can upsample, and look at this as a feature. Now, I can see how this could be useful for interconnecting with other equipment.. but what I *can't* see is how it could...

I just picked up an OBH-11SE & the regulated North-American supply. Now, don't groan, but my only source for the moment is my laptop (Which didn't quite have enough juice to drive my Senn HD570s all the time). The creek is hooked up through the line out.. though I get the same results...