Denon AVR3805 AV Receiver (no HDMI)

Description

When the Denon AVR-3805 debuted in 2004, it quickly became one of the most highly regarded A/V receivers in its class. Combining genuine audiophile sound quality with an unprecedented feature set, the AVR-3805 raised expectations for what a mid-priced home theater receiver could deliver. With seven channels of robust amplification, advanced surround processing, automatic speaker calibration, and extensive multi-room capabilities, it became the benchmark against which many competing receivers were measured.

At the heart of the AVR-3805 is a high-current, discrete seven-channel amplifier section rated at 120 watts per channel into 8 ohms, providing ample power for demanding loudspeakers while maintaining the warm, dynamic character that has long defined Denon’s premium electronics. Unlike many mass-market receivers of its era, the AVR-3805 was engineered with substantial power reserves, a generously sized EI-core power transformer, and carefully designed amplifier circuitry that allowed it to remain composed even during complex movie soundtracks or high-volume music playback.

The receiver arrived at a pivotal moment in home theater, introducing support for Dolby Pro Logic IIx, Dolby Digital EX, DTS-ES, DTS Neo:6, DTS 96/24, and HDCD decoding. Denon also included its proprietary AL24 Processing Plus digital processing and premium 24-bit/192 kHz Burr-Brown DACs on every channel, delivering excellent fidelity for both movies and two-channel music. Pure Direct mode bypasses unnecessary video circuitry to reduce electrical noise and provide the cleanest possible stereo performance.

One of the AVR-3805’s most innovative features was its Auto Setup and Room EQ system. Using the supplied calibration microphone, the receiver automatically measured speaker distances, channel levels, and equalization, dramatically simplifying installation while optimizing performance for virtually any listening room. Today, automated room correction is expected on virtually every receiver, but in 2004 it was still considered a premium feature.

Connectivity was equally impressive. The AVR-3805 offered extensive analog and digital inputs, including Denon Link 3rd Edition, allowing compatible Denon universal disc players to transmit DVD-Audio—and later SACD—digitally through a single cable. Video capabilities included component video switching and up-conversion, while three-zone operation made it possible to enjoy independent audio sources throughout the home. Although introduced before HDMI became the industry standard, its flexibility and expandability helped make it one of the most future-ready receivers of its generation.

Performance earned widespread acclaim from reviewers. TechRadar declared:

“The amplifier that IS the benchmark.”

The review concluded that the AVR-3805 “sounds remarkable and offers a wealth of great features,” praising its effortless control, dynamic presentation, and exceptional surround steering.

Audioholics was equally enthusiastic, calling it “the most feature-rich receiver in its price class… and not by a small margin,” while applauding its amplifier section, processing capabilities, and outstanding value.

Even today, the AVR-3805 remains highly respected among enthusiasts who appreciate its powerful amplification and excellent two-channel sound. While its lack of HDMI limits compatibility with today’s video formats, many owners continue to use it as a dedicated music receiver or as a high-quality power amplifier in modern home theater systems through its multichannel analog inputs. Its solid construction, refined sound, and legendary reliability have ensured its place as one of Denon’s classic A/V receivers.

What Reviewers Said

“The amplifier that IS the benchmark.”
— TechRadar

“The AVR-3805 is the most feature-rich receiver in its price class… and not by a small margin.”
— Audioholics

“It sounds remarkable and offers a wealth of great features.”
— TechRadar

Highlights

• 7-channel discrete high-current amplifier
• 120 watts per channel into 8 ohms
• Dolby Digital EX, Dolby Pro Logic IIx, DTS-ES, DTS Neo:6, DTS 96/24
• Burr-Brown 24-bit/192 kHz DACs on all channels
• AL24 Processing Plus digital signal processing
• Pure Direct mode for optimized stereo playback
• Auto Setup and Room EQ with supplied calibration microphone
• Denon Link 3rd Edition digital audio connection
• Triple-zone, multi-source capability
• Component video up-conversion and switching
• Touchscreen learning remote control
• Heavy-duty chassis weighing nearly 38 pounds

Specifications

• Type: 7.1-channel A/V surround receiver
• Power Output: 120 watts × 7 channels (8 ohms, 20 Hz–20 kHz, 0.05% THD)
• Surround Formats: Dolby Digital EX, Dolby Pro Logic IIx, DTS-ES Discrete/Matrix, DTS Neo:6, DTS 96/24, HDCD
• DACs: Burr-Brown 24-bit/192 kHz
• Frequency Response: 10 Hz – 100 kHz
• Total Harmonic Distortion: 0.05%
• Digital Inputs: 5 Optical, 2 Coaxial
• Digital Outputs: 2 Optical
• Video Inputs: Component, Composite, S-Video
• Video Features: Component video up-conversion, 100 MHz bandwidth
• Analog Inputs: Including MM phono and 7.1-channel external input
• Preamp Outputs: 7.1-channel
• Multi-Room: Three-zone / three-source capability
• Remote: RC-969 touchscreen learning remote
• Dimensions (W × H × D): 17.1 × 6.7 × 16.9 in. (434 × 171 × 429 mm)
• Weight: 37.5 lbs. (17 kg)

The Bottom Line

The Denon AVR-3805 represents one of the defining A/V receivers of the mid-2000s. Its combination of robust amplification, sophisticated surround processing, advanced room calibration, and exceptional build quality made it a reference point for competitors and a favorite among enthusiasts. While modern video standards have moved beyond its capabilities, its amplifier section and musical performance remain impressive even by today’s standards, making the AVR-3805 a classic receiver that continues to earn admiration from audiophiles and home theater fans alike.