Denon AVR-5805 User Manual download pdf

in the lab for Web

DOLBY DIGITAL PERFORMANCE

All data were obtained from various test DVDs

using 16-bit test signals containing dither,

which sets limits on measured distortion and

noise performance. Reference input level is –20

dBFS, and reference output is 1 watt into 8

ohms. Volume setting for reference level was

–7.5. All level trims at zero except for

subwoofer-related tests, all speakers set to

“large,” subwoofer on. All are worst-case

ﬁgures where applicable.

Output at clipping (1 kHz into 8/4 ohms)

1 channel driven .... 205/344 W (23.1/25.4 dBW)

5 channels driven (8 ohms) ... 121 W (20.8 dBW)

Distortion at 1 watt (THD+N, 1 kHz)

8/4 ohms .........................................0.02/0.03%

Noise level (A-wtd) ............................ –75.5 dB

Excess noise (with sine tone)

16-bit (EN16) .........................................+0.1 dB

Frequency response

20 Hz to 20 kHz +0, –0.12 dB

MULTICHANNEL PERFORMANCE,

ANALOG INPUT

Reference input and output level is 200 mV;

volume setting for reference output level was –3.

Distortion

(THD+N, 1 kHz, 8/4 ohms) ..........0.004/0.006%

Noise level (A-wtd) .......................... –101.3 dB

Frequency response

<10 Hz to 124 kHz +0, –3 dB

PCM STEREO PERFORMANCE

Reference level is –20 dBFS; all level trims at

zero. Volume setting for reference level was –3.

Output at clipping (1 kHz, 8/4 ohms, both

channels driven) .....185/310 W (22.7/24.9 dBW)

Distortion at reference level ..............

0.02%

Linearity error

(at –90 dBFS) .............. 0.02 dB

Noise level (A-wtd) ............................ –75.7 dB

(with 96-kHz/24-bit signals, –90.5 dB)

Excess noise (with/without sine tone)

16-bit (EN16) ....................................+0.1/+0.1 dB

quasi-20-bit (EN20) ...................... +5.6/+5.4 dB

Noise modulation .................................0.2 dB

Frequency response

(see notes)

20 Hz to 20 kHz +0, –0.12 dB (with 96-kHz/24-

bit signals, 5 Hz to 42 kHz +0, –3 dB)

BASS-MANAGEMENT

PERFORMANCE

Measured results obtained with Dolby Digital,

PCM stereo, and analog test signals.

Subwoofer-output frequency response

(crossover set to 80 Hz)

24 dB/octave above –6-dB rolloff point of 81 Hz

High-pass-filter frequency response

(crossover set to 80 Hz)

12 dB/octave below –3-dB rolloff point of 80 Hz

Maximum unclipped subwoofer output

(trim at 0) ..............................................9.9 volts

Subwoofer distortion

(from 6-channel, 30-Hz, 0-dBFS signal;

subwoofer trim set to 0) .......................... 0.05%

With one important anomaly, the Denon AVR-

5805 performed at or near historic levels

for A/V receivers: power, noise, and distor

tion measurements were all record-setters on

my test bench. The anomaly was frequency

response, which on ﬁrst measurement rolled

off by 6 dB per octave below roughly 100

Hz in all modes and on all digital inputs.

Analog inputs were only affected when a DSP

surround mode was engaged, suggesting a

DSP error as the culprit. Denon later conﬁrmed

an operating-software glitch that failed to

defeat the THX Boundary Compensation curve

even for “large” speaker channels unless you

manually “uncheck” it on the setup menu.

Doing so returned response to within 0.1 dB

at 20 Hz. Denon assured us that the corrected

software will be carried by all subsequent

production units.

Bass management was provided for all

inputs, including multichannel analog, and for

all media, both multichannel and stereo. The

performance was consistent for all media. All

speaker channels can be set to “small,” and

speaker-distance compensation is available for

all main channels, including Zone 2. —

D.K.

Full lab results on the Denon AVR-5805 digital surround receiver, tested

Summary of Contents

in the lab for WebDOLBY DIGITAL PERFORMANCEAll data were obtained from various test DVDs using 16-bit test signals containing dither, which sets limit

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Denon AVR-5805 User Manual

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