RX-V640

NEW PRODUCT BULLETIN

Preout Terminals for All Channels

Preout terminals are provided for the two main, two rear, center, rear center and subwoofer channels so these outputs can be fed to one or more additional amplifiers for those desiring even higher levels of power.

HDTV Compatible Component Video Out

The frequency response of the Component Video Monitor Out signal is 5Hz—60MHz, making it compatible with HDTV monitors.

Front Panel Video Aux Input Terminals

Front Panel Video Aux Input Terminals includes S-video and optical digital input terminals for connecting game machines, digital equipment, and so on.

Fixed and Assignable Terminals

Yamaha offers terminals that can be

either independently assigned to sources or defaulted to fixed settings.

Speaker A, B or A+B Selection

Speaker A, B or A+B Selection gives you the advantage of listening to either or both of two pairs of speakers.

Preset Remote Control Unit

It is preset with control codes for TV, DVD, VCR, CDR, and other components. It also provides control of subwoofer level.

Tuner Section Features High Quality, Easy Operation

In addition to utilizing a Direct PLL IF Count Synthesizer Tuning system, the RX-V640 also makes station selection easy. Users can preset as many as 40 stations for instant one-touch tuning, and with each one the tuning mode (auto or mono) is also memorized. Auto

FM Station Memory will automatically preset the 40

strongest stations on the dial. The Preset Editing function can then be used to rearrange them into groups.

Other Notable

Features

6-Channel External Decoder Input Terminals

Sleep Timer

RX-V640 Main Specifications

AUDIO SECTION

Maximum Power

Main Channels

 

125

W + 125 W

Center Channel

 

125

W

Rear Channels

 

125

W + 125 W

Rear Center Channel

 

125

W

Minimum RMS Output Power (8 ohms, 20–20,000 Hz, 0.06% THD, FTC)

Main Channels

 

85 W + 85 W

Center Channel

 

85 W

Rear Channels

 

85 W + 85 W

Rear Center Channel

 

85 W

High Dynamic Power, Low-Impedance Drive Capability

Yes

 

Dynamic Power/Channel

8 ohms

115

W

 

6 ohms

140 W

 

4 ohms

180 W

 

2 ohms

225 W

Linear Damping

 

Yes

 

Damping Factor (8 ohms, 20–20,000 Hz)

100

(speaker A)

Input Sensitivity/Impedance

Phono (MM)

2.5 mV/47 k-ohms

 

CD

150 mV/47 k-ohms

Frequency Response

 

10–100,000 Hz +0, -3 dB

Total Harmonic Distortion (20–20,000 Hz)

 

 

CD (Main Sp Out)

 

0.06%

Signa-to-Noise Ratio (CD, 250 mV)

100 dB

Tone Control Characteristics

 

 

 

Bass

Boost/Cut

±10 dB 50 Hz

 

Turnover Frequency

350

Hz

Treble

Boost/Cut

±10 dB 20 kHz

 

Turnover Frequency

3.5 kHz

VIDEO SECTION

Video Signal Level

 

1

Vp-p/75 ohms

S-Video Signal Level

Y

1

Vp-p/75 ohms

 

 

C

0.286 Vp-p/75 ohms

Component Video Signal Level

Y

1

Vp-p/75 ohms

 

 

Pb/Cb, Pr/Cr

0.7 Vp-p/75 ohms

Signal-to-Noise Ratio

 

50 dB

Monitor Out Frequency Response

 

 

 

 

Composite/S-Video Signal

 

5

Hz–10 MHz -3 dB

 

Component Video Signal

 

5

Hz–60 MHz -3 dB

 

 

 

 

TUNER SECTION

 

 

 

FM

50dB Quieting Sensitivity (1 kHz, 100% Modulation)

 

 

 

 

Mono

2

µV (17.3 dBf)

 

 

Stereo

25 µV (39.2 dBf)

FM

Selectivity

400 kHz

70 dB

FM

Signal-to-Noise Ratio

Mono/Stereo

76 dB/70 dB

FM

Frequency Response

20–15,000 Hz

+0.5/–2 dB

 

 

 

 

GENERAL

 

 

 

Standby Power Consumption

 

Less than 1 W

Dimensions

(W x H x D)

435 x 171 x 390 mm

Weight

 

13 kg

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

9/10 (R/L/T/K)

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Yamaha RX-V640 Preout Terminals for All Channels, Hdtv Compatible Component Video Out, Fixed and Assignable Terminals

RX-V640 specifications

The Yamaha RX-V640 is a notable audio-video receiver that made its mark in the early 2000s, offering a robust feature set for home theater enthusiasts. This AV receiver is part of Yamaha’s RX-V series, known for delivering quality sound and versatile connectivity options. The RX-V640 merges both performance and functionality, catering to a wide variety of audio and video formats.

One of the distinguishing features of the RX-V640 is its powerful amplification system. The receiver is equipped with a maximum power output of 100 watts per channel across 5 channels. This ensures that it can drive a full surround sound system effectively while maintaining clarity even at higher volumes. The incorporation of Yamaha’s Digital ToP-ART (Total Purity Audio Reproduction Technology) is another highlight. This technology minimizes signal degradation and enhances audio fidelity, allowing listeners to enjoy music and movie soundtracks with exceptional detail and richness.

The RX-V640 boasts support for various surround sound formats, including Dolby Digital, DTS, and Yamaha’s proprietary DSP modes. With 17 different surround programs, users have the flexibility to tailor their listening experiences to suit specific genres, from cinematic blockbusters to immersive concert recordings. The built-in Yamaha DSP features create a realistic surround sound environment, making every action scene or musical performance come alive.

Connectivity is another strong suit of the RX-V640. It comes with multiple inputs and outputs, including HDMI, optical, and coaxial, allowing for seamless integration with modern devices. The receiver is also equipped with five audio inputs and two sets of speaker outputs, enabling users to set up a versatile audio system without the hassle of switching cables. The inclusion of a remote control further enhances convenience, giving users the ability to manage their audio-visual experience from a distance.

In terms of build quality, the RX-V640 follows Yamaha's tradition of durability and design elegance. With an intuitive user interface and an on-screen display, navigating through the various settings and configurations becomes a straightforward task for users of all experience levels.

In summary, the Yamaha RX-V640 is a solid choice for anyone seeking an audio-video receiver that combines power, advanced technologies, and versatile connectivity. Its performance characteristics make it especially suitable for both home theater enthusiasts and casual listeners alike, delivering an impressive sound experience that stands the test of time.