Technical Specifications

Audio Section

Stereo Mode

Continuous Average Power (FTC)

90 Watts per channel, 20Hz–20kHz,

@ < 0.07% THD, both channels driven into 8 ohms

5/7 Channel Surround Modes

Power Per Individual Channel

Front L&R channels:

75 Watts per channel,

@ < 0.07% THD, 20Hz–20kHz into 8 ohms

Center channel:

75 Watts, @ < 0.07% THD, 20Hz–20kHz into 8 ohms

Surround (L & R Side, L & R Back) channels: 75 Watts per channel,

@ < 0.07% THD, 20Hz–20kHz into 8 ohms

Input Sensitivity/Impedance

 

Linear (High Level)

200mV/47kohms

Signal-to-Noise Ratio (IHF-A)

95dB

Surround System Adjacent Channel Separation

Analog Decoding

40dB

(Pro Logic, etc.)

 

Dolby Digital (AC-3)

55dB

DTS

55dB

Frequency Response

 

@ 1W (+0dB, –3dB)

10Hz– 130kHz

High Instantaneous

 

Current Capability (HCC)

±50 Amps

Transient Intermodulation

 

Distortion (TIM)

Unmeasurable

Rise Time

16 µsec

Slew Rate

40V/µsec**

FM Tuner Section

 

Frequency Range

87.5 –108MHz

Usable Sensitivity

IHF 1.3 µV/13.2dBf

Signal-to-Noise Ratio

Mono/Stereo: 70/68dB (DIN)

Distortion

Mono/Stereo: 0.15/0.2%

Stereo Separation

40dB @ 1kHz

Selectivity

±400kHz: 70dB

Image Rejection

80dB

IF Rejection

90dB

AM Tuner Section

 

Frequency Range

520–1710kHz

Signal-to-Noise Ratio

45dB

Usable Sensitivity

Loop: 500µV

Distortion

1kHz, 50% Mod: 0.8%

Selectivity

±10kHz: 30dB

Video Section

 

Video Format

PAL/NTSC

Input Level/Impedance

1Vp-p/75 ohms

Output Level/Impedance

1Vp-p/75 ohms

Video Frequency Response

 

(Composite and S-Video)

10Hz–8MHz (–3dB)

Video Frequency

 

Response (Component)

10Hz-50MHz (-3dB)

HDMI Version 1.1

 

General

 

Power Requirement

AC 220-240V/50Hz

Power Consumption

120W idle, 1180W maximum

 

(7 channels driven)

Dimensions (Max)

 

Width

440mm

Height

165mm

Depth

435mm

Weight

19.9 kg

Depth measurement includes knobs, buttons and terminal connections. Height measurement includes feet and chassis. All features and specifications are subject to change without notice. Harman Kardon and Power for the Digital Revolution are registered trademarks of

Harman International Industries, Incorporated.

TheBridgeTMand

are trademarks of Harman International Industries, Incorporated.

(Patent No. 5,386,478).

 

*Manufactured under license from Dolby Laboratories.

“Dolby,” “Pro Logic,” “Pro Logic II,” "Pro Logix IIx" and the Double-D symbol are trademarks of Dolby Laboratories. Confidential Unpublished Works. ©1992–1999 Dolby Laboratories, Inc.

All rights reserved.

DTS and DTS Surround, DTS-ES and DTS Neo:6 are trademarks of Digital Theater Systems, Inc. Logic 7 is a registered trademark of Harman International Industries, Incorporated.

A-BUS and A-BUS/READY®Ready are registered trademarks of Leisure Tech Electronics Pty Ltd Australia.

TiVo is a registered trademark of TiVo, Inc. SACD is a trademark of Sony Corporation.

iPod is a registered trademark of Apple Computer, Inc.

DLP and Texas Instruments are trademarks of Texas Instruments.

HD-DVD is a trademark of the DVD Format/Logo Licensing Corporation (DVD FLLC).

HDMI, the HDMI logo and High-Definition Multimedia Interface are trademarks or registered trademarks of HDMI Licensing, LLC.

Microsoft, Windows and Windows Media are registered trademarks of Microsoft Corporation in the United States and other countries.

**Without input anti slewing and output isolation networks.

ENGLISH

TECHNICAL SPECIFICATIONS 67

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Harman-Kardon AVR 645 owner manual Technical Specifications

AVR 645 specifications

The Harman-Kardon AVR 645 is a standout receiver that appeals to audiophiles and home theater enthusiasts alike. This model is known for its rich sound quality, extensive features, and user-friendly interface, making it a solid choice for anyone looking to enhance their home entertainment experience.

At the heart of the AVR 645 is its robust amplification system. With a power output of 55 watts per channel at 8 ohms, the receiver provides ample power to drive a variety of speakers. The incorporation of Harman-Kardon's patented Logic 7 processing technology allows for an immersive surround sound experience, creating a sense of depth and realism in audio playback. This feature is particularly beneficial for film and gaming, as it helps to create a multidimensional soundstage that pulls viewers into the action.

The AVR 645 supports a variety of audio formats, including Dolby Digital, DTS, and Pro Logic II, ensuring compatibility with a wide range of media. The receiver is equipped with multiple audio inputs and outputs, including HDMI, optical, and coaxial connections, allowing users to easily connect their DVD players, gaming consoles, and other devices. Additionally, it features a built-in AM/FM tuner for those who enjoy traditional radio.

In terms of video capabilities, the AVR 645 is highly versatile, supporting both standard and high-definition video formats. The receiver includes multiple HDMI inputs, facilitating easy switching between different high-definition sources without compromising video quality. The ability to upconvert lower resolution video to near-HD quality further enhances the viewing experience, making it a great choice for those with diverse video content.

User-friendliness is another highlight of the AVR 645. The intuitive on-screen user interface makes it easy to navigate settings and setup configurations. The Zone II feature allows for audio playback in another room, expanding the potential for whole-home audio solutions.

Ultimately, with its blend of power, quality, and versatility, the Harman-Kardon AVR 645 remains a respected choice among home theater systems, ensuring an elevated audio and visual experience for all users.