AVR 8500 (serv.man4) - Harman Kardon Audio Info Sheet (repair manual). Page 2

• Audio Section – Continuous Average Power (FTC):

(Stereo Mode): 125 watts per channel into 8 ohms @
20Hz – 20kHz, <0.07% THD, both channels driven;
(Five-Channel Surround Mode): 110 watts per chan-
nel into 8 ohms @ 20Hz – 20kHz, <0.07% THD, all
channels driven; High Instantaneous Current
Capability (HCC): ±85 amps 

• Tuner – Usable Sensitivity: IHF 1.3µV/13.2dBf; THD at

1kHz with 100% Modulation: (Mono) 0.2%, (Stereo)
0.3%; FM Adjacent Channel Selectivity: ±400kHz,
65dB; Ultimate (Maximum) S/N Ratio (Measured at
1mV RF Input Level): (Mono) 70dB, (Stereo) 68dB 

• General – Dimensions (H x W x D): 193mm x 440mm

x 519mm; Weight: 25.1kg

NOTE: Depth measurement includes knobs, 
buttons and terminal connections; height 
measurement includes feet and chassis.

• 110W x 5 Into 8 Ohms, 20Hz – 20kHz at <0.07%

THD, With All Channels Driven Simultaneously 

• High-Current (±85 Amps), Ultrawide-Bandwidth

(10Hz – 100kHz) Amplifier Design Effortlessly Powers
the Most Dynamic Digital Sources 

• Dual, Matched Pairs of Discrete Output Devices for

Each Channel 

• Massive Torroidal Power Transformer 
• Dual Amplifier Power Supplies, One for Drivers and

One for Outputs 

• High-Grade, Gold-Plated Binding-Post Speaker

Terminals 

• IEC Detachable Power Cord 
• Backlit EzSet Remote Provides Manual and Automatic

Calibration of Audio Output Levels, and Is
Programmable to Control up to Eight Devices From
Built-In Codes or Using Learning Capability 

• THX

®

Ultra-Certified 

• Surround EX

®

, Dolby Digital and DTS-ES

®

Extended

Surround Sound Processing Using Dual, Plug-In,
Upgradeable Advanced Twin 24-Bit Core Crystal

®

DSP

Engine 

• 192kHz/24-Bit DACs 
• Wide Bandwidth, HDTV-Ready Component Video

Inputs and Outputs 

• Dolby Pro Logic II (Movies, Music and Emulation

Modes) Surround Sound is Compatible With Older
Stereo Material But Delivers Detail That Approaches
Digital 5.1 Formats 

• Harman-Exclusive Logic 7 Cinema and Music

Surround Sound Processing in 5.1 and 7.1 Channels
for Superior Soundstage Imaging and Playback of
Both Surround Sound and Stereo Recordings 

• VMAx Virtual Surround Sound Provides Home Theater

Experience Using Only Two Loudspeakers 

• HDCD Decoding for More Realistic Reproduction of

HDCD Compact Discs and Enhanced Playback of Non-
HDCD Discs 

• 5- and 7-Channel Stereo, Hall and Theater Surround-

Sound Modes 

• MP3 Decoding Through Coaxial or Optical Digital

(S/P-DIF) Inputs Enables Playback of Hours of Music
From a Compatible Computer 

• 8-Channel Direct Inputs for Use With External

Surround Decoders 

• 7.1 Preamp Outputs and Main Amp Inputs for Use

With External Equalizers or Power Amplifiers 

• FM Stereo/FM/AM Tuner With 30 Presets and Direct-

Access Tuning 

• Five A/V Inputs with S-Video and Four Audio Inputs 
• Convenient Front-Panel Audio/Video Input With 

S-Video Is Switchable to an Output for Use With
Video Games or Portable Recorders 

• Eight Digital Inputs (Three Optical and Three Coaxial

on Rear Panel, and One Optical and One Coaxial on
Front Panel) 

• Four Digital Outputs (1 Coax and 1 Optical Rear

Panel, 1 Coax and Optical Front Panel 

• Advanced On-Screen Menu System for Easy Setup

and Operation 

• Programmable Power-Up Volume Level 
• Multiroom/Multisource System for Audio and Video

Allows Users in Separate Rooms to Listen to Different
Sources Simultaneously; Includes Separate Remote
Control for Multiroom Operation, or Simplified
Operation in Main Room 

• Rotary Bass, Treble and Balance Controls

* Trademark of Dolby Laboratories. DTS is a registered
trademark of Digital Theater Systems, Inc. EzSet is a
trademark of Harman International Industries, Inc.
(patent no. 5,386,478). Crystal is a registered 
trademark of Cirrus Logic Corp. Logic 7 is a registered
trademark of Lexicon, Inc., a Harman International
Company. VMAx is a registered trademark of Harman
International Industries, Inc., and is an implementation
of Cooper Bauck Transaural Stereo under patent 
license. HDCD

®

, High Definition Compatible Digital

®

and Pacific Microsonics

™

are either registered 

trademarks or trademarks of Pacific Microsonics, Inc., 
in the United States and/or other countries.
Harman Kardon is a registered trademark, and Power
for the Digital Revolution is a trademark,
of Harman Kardon

THX Ultra

Surround EX

7.1 channels

Dolby Pro Logic II

Logic 7

VMAx

HDCD

MP3 decoding

EzSet

HDTV-ready 

component video

DTS-ES Extended

Surround

multiroom capability

high-current 

capability

192kHz/24-bit DACs