Science & Technology



Sound Advice: Tesla Powerwall best known home solar panel, battery combination

Q. I just read your column about automatic backup generators in my local newspaper. Thank you for that very useful and intelligent summary of the issue. It would be extremely useful to have a detailed comparison of backup generators to solar panels and battery installations in homes. It is hard to find independent analyses such as you could ...Read more

Sound Advice: How to stop the 'soap opera effect' on your TV

Q. I am looking for a large TV. I see the Samsung 75-inch Q6 series for about $1,500 while the Samsung TU7000 is around $850. Will I note that much difference between them? I did check the TCL TVs but am concerned about the "soap opera effect."

- J.S., Wisconsin

A. For readers unfamiliar with the "soap opera effect" it is a picture quality ...Read more

Don Lindich/Don Lindich/TNS

Sound Advice: More generator tips

Q. I was very interested in the Briggs & Stratton Q6500 inverter generator that you mentioned in your column recently. Is there something equivalent approved for use in California?

- D.K., San Jose, California

A. The CARB-compliant Champion 6250-Watt DH Series Open Frame Inverter with Quiet Technology sells for around $1,000. It has 6,250 ...Read more

Sound Advice: Linearflux Hypercharger MAX powerful, versatile charger

Q. Do you have a recommendation for a cellphone charger that runs on an internal battery? Also, what do you recommend for a portable, battery-powered AM/FM radio? I need to buy these products for use during power outages.

-- L.P., Philadelphia

A. The new Linearflux Hypercharger MAX is one of the most powerful, versatile chargers you can buy, ...Read more

Sound Advice: Technics OTTAVA f SC-C70 Music System has stunning sound

Q. I am in the market for a new radio and would like one with a built-in CD player. Many radios only have FM and I definitely need AM also, to listen to Twins baseball games. My other two radios are Bose Wave Music Systems with CD slots and remotes. I would buy another Bose, but am wondering if I am missing other options. Good radios with CD ...Read more

Sound Advice: FIPORT No Touch Door Opener brings pandemic peace of mind

Q. I recently purchased the Polk LSiM707 floorstanding speakers you recommended. I now want to upgrade my disc players because the new speakers reproduce sound much better than my old speakers did.

I currently have two Blu-ray players, a Sony UBP-X800m2 and an Oppo BDP-83. I have these players because they can play my DVD-A, SACD and DTS discs ...Read more

Sound Advice: Jabra 710, Anker PowerConf recommended portable speakerphone accessories

Q. What do you recommend for a portable speakerphone accessory? I have been looking at the Jabra 710 but would like to know if you have any other recommendations.

-- L.L.

A. In addition to the Jabra 710 I would consider the Anker PowerConf. The PowerConf has received much critical acclaim as of late, and after trying it myself I can see why. ...Read more

Sound Advice: Don't burn your CDs!

Q. I recently read your column about the limited selection of CD players on the market. I have an extensive collection of 4,000 CDs and have this horrible fear of CD players becoming obsolete. What do I do then, just put all my CDs in a big pile and burn them? I enjoy my music immensely and listen to my CDs every day. I am temporarily living ...Read more

Sound Advice: Kanto Yu powered Bluetooth speakers have unmistakably high-end sound quality

Q. I have $500 to put together a system for my son to play vinyl records and stream music from his phone, playing in his 12-by-14-foot bedroom now and eventually a dorm room. I am torn between powered speakers and a receiver with bookshelf speakers. I figure I can get a nicer turntable if I get powered speakers instead of separate components, ...Read more

Sound Advice: Technics EAH-AZ70W true wireless earphones put comparably priced competitors to shame

Amazing earphones that I could not wait to tell you about: To start us off this week I will take your back to December 2017 when I wrote about the Technics Ottava SC-C70 Premium All-In-One Music System with integrated CD player. When I first saw, touched and heard the SC-C70 I thought it would sell for $3,000 to $5,000 given the amazing sound, ...Read more



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