I currently own the Denon 3806 and I made the mistake on picking up the Onkyo 805 at circuit city.
After calibrating the Onkyo manually, then running the Audyssey XT I was shocked at the improvement in SQ over the Denon 3806. I compared them both with manual EQ and Audyssey EQ and the Onkyo was head and shoulders above the Denon for sound quality in both modes. The Onkyo sounded more clean,detailed and open it made the Denon 3806 sound as if it had placed a veil over my speakers. Currently have 7 Mirage omnisats with Mirage S12 subwoofer. I also ordered 3 Ascend Sierra 1 for the front soundstage so will be able to compare with those speakers when they arrive. The reason I decided to try the Onkyo was based on these specs that caught my attention.
- THX Ultra2 specification provides uncompromised 8-channel playback of any multi-channel Program over the widest possible area
- Top line of Burr-Brown DAC's: Performing at 192 kHz/24-bit level of resolution, these digital-to-analog Audio converters boast a higher dynamic range
-HDMI V1.3 repeater w/HDMI video up-conversion Dolby-Digital Plus, Dolby TrueHD and DTS-HD decoding
-iPod Ready (optional dock required)
-XM Radio Ready / SIRIUS Radio Ready (optional subscriptions and antenna required)
- Response Bandwidth: 20 - 20000 Hz / THD - 0.05%
- Amplifier Output: 130 Watt, 8 Ohm, 20 - 20000 Hz, THD 0.05% per channel up to
7 Channels for outstanding surround sound
- Unit Dimensions (WxHxD):17 1/8 x 7 5/8 x 18 1/16 inches (435 x 194 x 458.5 mm) / Weight: 50.9 lbs. (23.1 kg)
- Onkyo USA 2 Year Warranty
In this case the specs do not lie and I suspected they might not considering this unit weights an incredible 50.9lbs compared to my Denon 3806 38.6lbs. Onkyo decided to get into the mid-hi end of receivers and they certainly did it the right way. The thing that sealed the deal for me was the Onkyo 2 year warranty, put it on your AMEX and you have a 3 year warranty. I actually plan to take back the 805 to Circuit City and wait to purchase the 875 or the 905 for the Reon VX processing. I highly encourage anyone making a decsion on buying a receiver to do a in home demo of the two or three you might be interested in. It might seem like a hassle but it will save you from second guessing your purchase.