Denon AVR-3805 Digital Surround Receiver Page 3

Denon AVR-3805 remoteHere's how it works: You place a small microphone at ear level in the prime listening position and start the auto-setup process. Short bursts of calibrated noise are sent to each speaker output in rotation, and from what the mike picks up (or not) from each speaker, the AVR-3805 determines the size of the speakers you have hooked up (for bass-management purposes), whether they're in phase, and how far each one is from the prime listening position. The system then calculates and adjusts the balances between the channels, including the subwoofer, using half-decibel steps, and compensates for speaker-distance variations in 1.2-inch increments.

The receiver will also automatically adjust an eight-band parametric equalizer applied to each main channel. You can choose between no equalization and three automatic-EQ settings. Auto-EQ sounds like almost as good an idea as the automatic speaker balancing, but in practice I found it a hit-or-miss proposition. Still, it doesn't hurt to try it out. And Denon makes it easy to cycle though and compare the three EQ settings or to leave out the equalization altogether.

All in all, the auto setup was remarkably accurate and produced sonic results that were just as satisfying as I got using the old-fashioned sound-level meter setup technique, which is also possible with the AVR-3805. Calculated speaker distances to the mike were usually within a couple of inches of their tape-measure lengths (the biggest error I got was about a foot), and the speaker balances came out within a decibel of each other when I checked them with a sound-level meter.

running man
The Denon receiver's ability to play loud without strain in multichannel mode was a boon to action-adventure movies like the remastered 6.1-channel DVD of Running Man.
In listening tests, the AVR-3805 performed with distinction. Even before I made any lab measurements, I could tell that the receiver had superior dynamic range just from its audibly superior background noise levels with so-called 20-bit music CDs and its ability to play very loud without strain in multichannel mode. These characteristics, especially the ability to play loud, were a boon to action-adventure movies like the remastered 6.1-channel DVD of Running Man. (How many other films can boast the future governor of Minnesota, the future governor of California, and Richard Dawson, the host of Family Feud, here in his greatest film role?)

PLUS Easy and accurate automatic setup. Good power reserves with very low noise levels. Denon Link digital multichannel input. Nifty, almost buttonless backlit remote control. Video-format conversion facilities. Excellent value. MINUS No bass managment for external multichannel input.

Even more spectacular was the extended and exhausting battle sequence from The Matrix Reloaded, which, though "only" a 5.1-channel DVD, sounded as good with the AVR-3805 as I remember it from an Imax screening of the movie. Multichannel imaging and ambience also came out just fine throughout the 6.1-channel Pirates of the Caribbean (whose packaging makes no mention of its 6.1-channel status). Try the gunshot fusillades during Johnny Depp's escape on the pier (Chapter 3).

Denon's AVR-3805 is that rarest of components: an A/V receiver that's perfectly balanced between the conflicting demands of versatility and usability, between sheer audio performance and an affordable price. Using its ultra-cool, almost-buttonless, blue-backlit remote control (whose capabilities are conveniently duplicated on the front panel) together with its marvelous automatic-setup features, you can do a better job of setting up the AVR-3805 - and therefore achieve better sound quality - than is likely with many more powerful and costly receivers. Considering how comparatively difficult to set up and adjust some flagship models are, any pirate worth his eyepatch would steer directly toward the AVR-3805 instead, a not-so-hidden treasure.

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