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Audioholics

FAQ: Set Up and Equipment Advice for Home Theater

This article addresses frequently asked questions from Audioholics' YouTube and Facebook pages concerning home theater setup and AV equipment recommendations. It covers various topics including optimizing sound for movies, choosing surround speakers, the effectiveness of different speaker types, cable differences, and advice on upgrading AV equipment. The first section tackles issues with movie sound quality and surround speaker recommendations. A user reported that their Yamaha RX-A1060, paired with Definitive Technology towers and a center channel, sounds excellent for music but poor for movies. The recommendation includes verifying proper AV receiver calibration (channel levels, delays, bass management), selecting high-resolution audio tracks like Dolby TrueHD or DTS HD on Blu-ray, and ensuring the AV receiver is set to discrete surround playback mode for movies, avoiding DSP post-processing. For surround speakers, sticking with the same brand (Definitive Technology) as the main speakers is advised to maintain similar sound characteristics and aesthetics. Another question discusses surround speaker placement in a non-ideal room without a back wall. It's generally preferable to wall-mount a surround speaker slightly above seated ear level rather than using in-ceiling speakers for surrounds. Bipolar speakers are effective as side channels even without a back wall, as they utilize reflections from side walls. The exception for ceiling speakers is for Dolby Atmos height channels, where they are often optimized for this purpose. The article clarifies Audioholics' stance on in-wall and in-ceiling speakers. They are not entirely opposed to in-wall speakers, considering them viable as LCRs if properly installed and placed at ear level. However, in-ceiling speakers are not recommended as LCRs due to poor off-axis response and the direct/reflected sound ratio. The article strongly discourages the use of Dolby Atmos Upfiring speakers unless there are no other options, citing sonic compromises, a narrow sweet spot, and easy localization if placed too close to the listener. Regarding cables, the difference between optical (Toslink) and coaxial interconnects is explained. Optical cables transmit digital data via light, while coaxial cables transmit electrical signals. Both generally yield similar results, but 75-ohm, shielded coaxial cables are recommended for longer runs to minimize EMIRFI interference. The article also touches upon high-dollar AV equipment, advising against getting swayed by brand appeal or excessive prices for exotic cables. It emphasizes allocating a larger portion of the budget to quality speakers and subwoofers, along with room acoustic optimization, rather than super expensive electronics. Brands like Outlaw, Emotiva, and Monoprice are mentioned for providing quality amplification at more affordable price points. A user's problem with loud popping noises during Blu-ray playback via HDMI is addressed. This issue, especially if occurring at the same spot on the disc, is likely due to the HDMI audio board in the receiver rather than a cable EMF issue, as older Onkyo/Integra receivers were known for HDMI problems. Firmware updates or hardware fixes are suggested, and checking the disc for damage is also recommended. For subwoofer setup, general advice includes setting the Low-Pass Filter (LPF) or High-Pass Filter (HPF) of speakers to 80Hz and the LFE to 120Hz if the AV receiver allows a separate setting. Manual EQ for subwoofers requires in-room measurements below 200Hz to identify and correct problematic room modes. Finally, the article discusses upgrading to Atmos and provides recommendations for Atmos/DTS:X pre-processors. For those with existing advanced setups, upgrading to a new receiver supporting Atmos/DTS:X means re-purposing width channels. In-ceiling speakers are the most recommended position for Atmos, but front/rear heights also work well, especially for DTS:X and Auro-3D. "Bouncy house" Atmos-enabled speakers are again discouraged due to performance compromises. When choosing Atmos/DTS:X pre-processors under $5000, options like the Anthem AVM 60, Marantz AV8802A, and Yamaha CX-A5100 are highlighted. The choice often comes down to preferred room correction systems (Anthem's ARC, Yamaha's YPAO, Marantz's Audyssey) and desired music streaming features (DTS Play-Fi, MusicCast, HEOS). The article concludes by noting that the Yamaha A-S801 Integrated Amplifier does not have preamp outputs for adding more power, but is a capable performer on its own. For any unanswered questions, readers are directed to a related forum thread. #HomeTheater #AVEquipment #SpeakerSetup #AudioCalibration #DolbyAtmos #DTSX #SurroundSound #RoomAcoustics #Amplification #Cabling #HomeTheater #AVEquipment #SpeakerSetup #AudioCalibration #DolbyAtmos #DTSX #SurroundSound #RoomAcoustics #Amplification #Cabling
109 months ago
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