Music
- Shoutcast - list of streaming servers
- Radio Paradise - eclectic streaming at 192kb!
- Gaia's Lap - "peaceful" streaming at 128kb
- Magnatune - a music company that benefits artists and listeners
Audio
- Madisound - a respected supplier of raw speakers
- Parts Express - huge selection of audio parts
- zaphaudio.com - a serious speaker builder
- diysubwoofers.org - woofer box designs explained
- lalena.com - design aids in javascript
- amp types explained
- Wikipedia on amps
- T-Amp kits
- Analog chip amps