I got a SONY CDP-610 from a local yard sale, by $20. This machine was built like a rock, weighting about 20lbs. It was made at 1983. I guess at that time a CD player is a high end machine, so the componets inside are very awesome. I am not a audiophiler, so I can't describe how good it sounds...

I am using foobar play the music in FLAC or lossless format. Before the sound reaches the speakers, I can adjust the volume at three place. The foobar volume scroll bar, windows' volume contoller, and the volumer control potential meter of the amplifier. My concern is if I adjust the volume...

Hi, all, Is it good to make the buffer of a hybrid headphone amplifier with LM1875? I have built a SOHA with an OPA2134 as buffer. I admire you guys the developments of the discrete buffers as JISBOS, SOHA and so on. However I wonder whether I can simplify my life by using audio power...

Hi all: I wonder whether you could give me suggestio on the upgrade of this Creek OBH-11. I know there are a lot of arguement on this AMP.Most of the guys say it is a crap. However it is compact and with a nice case. I want to dig its limit and place it in my office. From the picture, you...