Can anyone suggest pads that will fit the Sennheiser HD 420's? Any comments on their sound quality. These are an older model that were well rated at one time.

Can anyone explain why a "burning in" period for portable amps, and for that matter headphones, developes better sound.

Ok guys and gals what's the bottom line on PCD/MP3 players? Iriver 350 seems decent but disturbing hiss on optical out, which is really not a true out. The 150 that is disturbing in terms of inadequate power supply/battery usage but good sound. Wait for the 550 which at $180 when it comes to the...

Can anyone contact me or post message regarding buiding a CMOY rig or similar portable amplifier for me. I use the Grado 60 and portapro headphones. Thanks. Fred

I have a Sony WM-GX 90 Cassette Recorder/player that was quite an expensive unit. I had the motor replaced and shortly thereafter a problem with the sound arose. I am looking for advice. Is it worth it to repair this unit, and can you suggest a good repair person who is reasonable in price? Or...