Archive for category Amplifier multiple Channel

AudioControl Avalon G4 Four-Channel Amplifier Review

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“The amp offers both balanced and unbalanced inputs; I used the latter for most of my listening. While balanced inputs can reduce potential noise pickup with exceptionally long cables, the amp was silent with my ear one foot from the speakers when using 25-foot-long unbalanced interconnects to connect my preamp-processor to the amp. There’s also a ground lift switch on the rear to eliminate ground loops, but I didn’t need it.

I used the amplifier only in conventional unbridged mode, with each channel operating independently. Several other possible modes are facilitated by additional rear-panel features. These include “Through” outputs for each channel that allow it to drive the input of any other channel (such as in bridged mode), thus eliminating Y-splitter clutter. Any channel can also be used to bi-amp speakers. There’s also a selectable Low- or High-Pass filter (both not simultaneously). These modes are all thoroughly described in the AudioControl’s refreshingly tongue-in-cheek online user manual.

 

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Emotiva XPA-7 Gen 3 Amplifier Review

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Focal Astral 16 AV Processor/Amplifier Review

https://www.avforums.com/reviews/focal-astral-16-av-processor-amplifier-review.16885

 

 

 

“All you need to do is plug the Astral 16 into your router, get the processor’s network address from the front display, type that into your browser and you’re good to go. The resulting screen gives you a choice of Remote or Setup, with the latter password protected. The Remote option provides all the controls you need to operate the processor and amplifier on a day-to-day basis. Conversely, the Setup option allows you to drill down into the menus, configuring and fine tuning the Focal.

The reason the Setup option is password protected becomes obvious as soon as you access it. The Astral 16 offers the kind of configuration flexibility only found on very high-end processors, and once fully set-up by a professional installer they will doubtless want to avoid any unwanted fiddling by their customer. However, if you’re a gifted amateur and want to set the Focal up yourself, you’ll have a field day playing with all the features and options.”

 

 

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ANTHEM MRX-720 7.2 CHANNEL ARC GENESIS AV RECEIVER REVIEW

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“For streaming, the MRX-720 uses DTS Play-Fi, which in addition to making it Alexa compatible, enables it to stream Tidal, Pandora, Napster, Spotify, SiriusXM, iHeartRADIO, DEEZER, Internet Radio, kkbox, Juke!, Amazon Music, BBC, ESPN and NPR.

Of course, should you have a library of digital titles, DTS Play-Fi will allow you to playback FLAC, WAV, ALAC, MP3 and AAC supporting high resolution files up to 24/96.

Just like every other audio company, Anthem has also dipped its toes into the wireless/Bluetooth speaker waters1 via parent company Paradigm. The MRX-720 is compatible with Paradigm’s PW-600 and PW-800 wireless speakers.”

 

 

 

 

 

 

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How To Bi-Amp Speakers With an External Amplifier

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NAD M17 V2 processor review

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Dirac Live room correction, added by the AM 17 module, is combined with a new calibration microphone and software available for either Windows or MacOS. 
The implementation is identical to other manufacturers such as Arcam, taking nine measurements to produce detailed EQ graphs.

Dirac then applies target curves using supercomputer wizardry to flatten the frequencies and tighten up the impulse responses. The result is an incredibly neutral performance, with individual sonic elements clearly defined, and the overall soundfield retaining a wonderful sense of balance and cohesion.

 

 

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Krell Theater 7 Amplifier $7,500 Review

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While Incredibles 2 didn’t have quite the spark that made the original movie so great, there’s no denying that the opening nine-minute sequence when The Underminer robs a bank in Metroville is a fantastic home theater demonstration. With the combined sounds of the Underminer’s tunneling machine and money vacuum, the Incredibles’ attempts to stop him, and a jazzy music background all going at once, this sequence can give any audio system a real workout. The Theater 7 maintained its composure throughout the clip, with dialogue remaining clear and fully resolved. Even without benefit of a subwoofer, the combination of the Krell amp and the Synchrony One tower speakers managed to get the walls shaking in my 14 x 16-foot theater room.

After taking into consideration “Krell watts” versus what you get with more typical power amps, 105 watts-per-channel can still be a limiting factor in some larger rooms, especially when inefficient speakers are used. Personally, I’m more of a quality over quantity kind of guy, and I’d always go for an amp like the Theater 7 over a lesser alternative with a higher power output specification. In my setup, I never felt like I was running short of juice. (Of course, if you want to have it all, Krell also offers the 7 x 200-watt Chorus 7200XD amplifier.)”

 

 

 

 

 

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