Sound Advice: Time to buy a new lens?

Q: Your column led me to purchase the Panasonic DMC-GM1 a few weeks ago. Since that time I took it out west and shot photos and videos, and am really happy with it. I am interested in adding a telephoto zoom lens to the kit and I know Panasonic ...

Sound Advice: Low to moderately priced receivers

Q: Can you recommend a low to moderately priced stereo receiver?

--Terry Parker, Pittsburgh, Pa.

A: These days it is hard to find stereo receivers and selection is severely lacking. Not long ago Harman/Kardon had the HK3490, a substantial, heavy...

Sound Advice: What is a receiver?

Q. I read your recent column about receivers and amplifiers. I have a Sony Blu-ray equipped BDV-E500 Home Theater System. I don't have a receiver or amp, that is, unless one is built into the Blu-ray system. Am I missing something? What is a ...