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David Maeshiba, designer and partner in Acoustic Technologies LLC of Chicago, had a surprise in store. He claims that his single titanium-cone loudspeaker ($2650/pair) can be turned in any direction and you will hear exactly the same thing. Counter-intuitive as that may seem, it would be perfect for non-obsessed music lovers who don't want to spend all their listening time stacking their friends in the sweet spot.

Two more recent articles on the cassette tape revival: The Los Angeles Times tells us “<a href="http://www.latimes.com/entertainment/news/music/la-ca-cassette-revival-… tapes are back in the mix</a>,” while Fact Mag offers “<a href="http://www.factmag.com/2010/07/26/cassette-playa-in-praise-of-tapes/">C… Playa: in praise of tapes</a>.”

Grant Fidelity of Calgary, Canada specializes in low-cost, high-value equipment from China. To get an idea of the huge number of components on display by the company whose motto is "Hi-End, Not High Priced," please check out the list on their <A HREF="http://grantfidelity.com/site/2010_California_Audio_Show_grant_fidelity…;. There you'll find a complete list of components on display, descriptions, and pricing. You'll even discover a host of photos taken at the show.

It was speaker technology last week, this week we go after amplifiers. What is your favorite amplifier technology and why?

The Simon Yorke S10 Record Player ($19,950), now imported into the US by Tim Nguyen's Tone of Audio in San Francisco, is the replacement for the former Simon Yorke S7. That's the table Michael Fremer used as his reference for 10 years until the far, far more expensive Continuum Labs Caliburn entered his life in 2006. The new S10 is completely hand-machined on a lathe by Simon and his son Spencer from solid raw blocks of aluminum and non-magnetic iron.

An experience in the impressive room assembled by highend-electronics of Apple Valley, CA emphasized the importance of carefully choosing your demonstration discs. As I settled into my seat, a very assertive visitor asked if he could audition two CDs that he brings along to check out deficiencies in equipment. Once obliged, he began to assault us with two tracks of raucous, ear-burning music. I watched the folks next to me wiggle with discomfort as I put my fingers to my ears on the second track.

Teresonic's pairing with Garth Leerer's Musical Surroundings was full of surprises. I confess that I have not enjoyed Mike Zivkovic's single-driver Lowther-powered speakers in the past, finding them unduly bright. Here, they sounded very warm and inviting.