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Al Griffin Posted: Nov 21, 2013 2 comments
Q I have been reading A/V magazines for years, as well as conducting my own research, and am still a little confused about how to select the right amplifier to use with MartinLogan electrostatic speakers. The literature I’ve read clearly indicates that the ohm rating of a receiver is just as important, or more so, than its wattage per channel when considering an A/V receiver to pair with speakers. Does the ohm rating of MartinLogan electrostatic speakers make them incompatible with typical AVRs?
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Al Griffin Posted: Apr 20, 2016 6 comments
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Q Help! Perhaps it's the case that I don't understand the Dolby Atmos specifications, but I get the impression that if I build an Atmos system with four height channels, I will also need to purchase an expensive receiver.

I want the unit I buy to handle both two-channel analog music and big-budget films with multichannel soundtracks. Is there such thing as a receiver that can process Dolby Atmos soundtracks for a 5.1.4-channel speaker layout but also let me use a high-end stereo amp to power the front channels? —Joshua Gonzalez, Houston, TX

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Al Griffin Posted: Apr 27, 2015 1 comments
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Q Can I use two different brands of subwoofers in my home theater?—Alphonse Michelet / via e-mail

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Al Griffin Posted: Dec 17, 2015 3 comments
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Q Are different wireless speakers compatible with each other? I own several Sonos speakers, but have recently noticed more top-line speaker makers (e.g., Definitive Technology, Polk) starting to distribute their own. As I continue expanding my wireless hook-ups, I’m wondering if I'm locked-in to using just Sonos? —Stephen Romanelli

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Al Griffin Posted: Jun 18, 2015 15 comments
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Q I have a 7.1-channel surround system with four dipole surround speakers. My plan is to move the back surround speakers to the ceiling in my home theater and use them for down-firing height speakers in a Dolby Atmos 5.1.2 setup.  The room is 12 x 20 feet with a flat, 8-foot-high ceiling. Will I get a good Atmos experience with this setup? How will it work for DTS:X? —Dan Spaughs

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Al Griffin Posted: Feb 03, 2016 10 comments
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Q I want to check out the world of High-res audio, but being a Mac and iTunes user presents challenges in that arena. I have spent hours researching Hi-Res-friendly computer music playback alternatives, but each seems to have drawbacks (and costs). Is there a way to use iTunes for Hi-Res playback, or do I have to wait for Mother Apple to eventually condescend to selling and supporting Hi-Res music? —Scott Oakley, Phoenix, AZ

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Al Griffin Posted: Jun 09, 2016 8 comments
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Q I have an Onkyo TX NR1009 AV receiver that I operate in a 7.2 configuration. All is well when I watch a movie with a 7.1 soundtrack since my couch is inline with the back surround speakers. However, when I watch movies or TV with 5.1 sound the rear speakers go silent and I need to shift my position to be inline with the side surround speakers. Is it possible to have the receiver route the 5.1 signal so the back surround speakers remain active and I don’t have to change my seating position? —George Yeoh

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Al Griffin Posted: Sep 25, 2014 3 comments
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Q I have a 7.1-channel in-ceiling speaker system in my home theater. How can I adapt this for a Dolby Atmos configuration? My plan is to add a standard 5.1 channel speaker system and use the in-ceiling speakers for the height effects.—Paul Wright

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Al Griffin Posted: Apr 11, 2016 16 comments
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Q Can I use a soundbar like the Yamaha YSP-5600 as a center channel in a traditional 5.1/7.1 or Atmos setup? Would it sound better than a standard center-channel speaker? Also, does it have to be set up on its own first or last to blend in with the rest of the system? —Oliver Johnson / via e-mail

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SV Staff Posted: Feb 29, 2016 4 comments
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Q I am finally upgrading my Pioneer Elite receiver and plan to replace it with a new model that has HDMI 2.2 inputs. Unfortunately, the new receiver that I have in mind lacks a phono input. To get that feature, I’d have to fork over $500 more for a step-up model. Is there any way to use the phono preamp in my old receiver and hook it up to the new one? Also, how good are the built-in phono preamps in receivers compared to standalone models? —Kevin Olds /Via e-mail

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Al Griffin Posted: Oct 28, 2015 4 comments
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Q The Rec. 2020 color gamut is the future of TV—the standard was set years ago and has been included in the specification for Ultra HD Blu-ray. Even so, UHDTVs have been around for a few years yet none can display the Rec. 2020 color gamut. Why? Are we one day going to see Rec. 2020-capable LCD and OLED TVs, or is it true that only laser projectors are capable of reproducing that gamut? —Karim Genio / Algeria, North Africa

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Al Griffin Posted: May 18, 2016 10 comments
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Q I would like to know if my current Vizio TV (P502Ui-B1E) and Pioneer receiver (VSX-1130-K) will be able to support both the HDR10 and Dolby Vision HDR formats.  I’d really prefer not to have to upgrade the Pioneer receiver since it was purchased recently to support both 4K@60Hz video and Dolby Atmos audio in my system. I'm also interested in picking up LG’s 65EF9500 OLED, a 2015 model,  but am wondering the same thing about HDR support on that TV.  —Johnston Cheng

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Al Griffin Posted: Aug 07, 2014 6 comments
Q I’ve heard that sealed subwoofers sound better than ported ones with music, but that ported subs handle LFE in movie soundtracks better. I want a sub that will sound good in my large, open living room with both music and movies. Do people only use sealed subs in smaller rooms? How will a ported model sound different when playing music?—Matt Carlton
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Al Griffin Posted: Mar 02, 2016 11 comments
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Q I don't have room for a surround setup in my home theater, so I’ve decided to buy a pair of floorstanding tower speakers.  My TV has a super-wide viewing angle.  Are there any speakers with a super-wide listening angle?  I don't want to be the only person in my family sitting in the "sweet spot.” —Edward G. Jones

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Al Griffin Posted: Oct 08, 2015 4 comments
Got a tech question for Sound & Vision? Email us at AskSandV@gmail.com

Q I am switching over from a 5.1 speaker system to a soundbar but would still like to use my current Paradigm PW 2500 subwoofer with it. Are there any new soundbars that can be used with an existing powered sub? —John Rothery / Tacoma, WA

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