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RX-V640
NEW PRODUCT BULLETIN
Digital Home Theater Receiver
RX-V640
High performance, extremely versatile receiver designed to serve as
the core component of any high quality home theater system. Major features include
6-channel discrete amplification (85W x 6, FTC), Yamaha’s Digital ToP-ART design concept, Quad-Field
CINEMA DSP, 24 surround programs and SILENT CINEMA. Compatible with the newest 6.1-channel
movie sound formats including Dolby Digital EX,
DTS-ES Matrix 6.1, DTS-ES Discrete 6.1, Dolby Pro Logic II and DTS Neo:6.
Enjoy Home Theater the Way You've Always Imagined It:
Dynamic, Realistic Surround Sound with Many Program Variations.
1/10 (R/L/T/K)
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Superior Technology and Design for Flawless
Performance and Comprehensive System Control.
䡲 High power 6-channel discrete
amplifier configuration (125W x 6
Max)
䡲 Digital ToP-ART (Total Purity
Audio Reproduction Technology)
䡲 High Current Amplification for
high sound quality
䡲 Easy setup and operation
䡲 Compatibility with latest movie
sound formats including Dolby
Digital EX, Dolby Pro Logic II,
DTS-ES Discrete 6.1, and DTS
Neo:6
䡲 Powerful 32-bit Yamaha LSI
(YSS-938) for CINEMA DSP
processing
䡲 24 surround programs (44
variations) with SILENT CINEMA
and Night Listening mode
䡲 Extensive input capability
including 4 optical/1 coaxial
digital, 5 S-video, 5 A/V and 2
audio inputs
Digital T oP-ART
Digital ToP-ART
(Total Purity Audio
Reproduction
Technology) is the
name Yamaha has given to a design
philosophy whose goal is to maximize
digital quality while minimizing analog
circuitry. The culmination of the best
digital engineering and design possible
today, it brings together several key
elements to create the best-sounding,
easiest-to-use A/V components available
Advanced Decoding Circuitry
Including Y amaha’ s Exclusive
YSS-938 32-Bit Floating Point
Quantization LSI
The decoding circuitry performs Dolby
Pro Logic II, Dolby Digital, Dolby Digital
EX, DTS Digital Surround, DTS-ES (DTSES Matrix 6.1 and DTS-ES Discrete 6.1),
and DTS Neo:6 decoding with extreme
accuracy, as well as all digital sound
field processing. It also outperforms
other systems in the precise
synchronization of images and sound. Its
low 3V power consumption minimizes
digital noise.
96kHz/24-Bit DACs for All Channels
The RX-V640’s vitally important digital-toanalog converters use an extremely
96kHz/24-bit high performance. They
perform accurate sound field
reproduction for high quality multi-channel
sources, and for two-channel stereo,
provide outstanding separation and
precise musical delineation. They deliver
superior low level linearity with excellent
full-scale performance under varying
operation conditions.
4-Layer DSP Processing Board
All of the DSP IC chips and related
circuitry are located together on a 4-layer
board. This is the first time a 4-layer
board has been used, and it provides a
number of advantages. The dimensions
Yamaha’s Exclusive
YSS-938 32-Bit Floating
Point Quantization LSI
Digitally Regulated Volume
Control Device (Yamaha
Original YAC-520 LSI)
RX-V640
Digital Home Theater Receiver
2/10 (R/L/T/K)
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RX-V640
NEW PRODUCT BULLETIN
3
High Current
Amplification
6-Ch High
Output Power
• Main L
• Main R
• Center
• Rear L
• Rear R
• Rear Center
From digital input, through
digital processing, to
amplification, maximum
Digital
Input
6-Ch
Input
2
32-Bit High-Density
Cinema DSP Circuitry
Advanced
Decoding
Circuitry
Including
32-Bit DSP
LSI
(YSS-938)
High Performance Digital Circuitry
96 kHz/
24-Bit
DACs
for All 9*
Channels
Input
6-Ch
1
Accurate
Touch
Volume
Control
(0—-99dB,
0.5 dB
Step) for
6 Channels*
signal quality is maintained
every step of the way.
* In addition to the six channels (Main L/R, Center, Rear L/R, Rear Center) there is a subwoofer output (hence 6.1-channel format compatibility) and two front
effect channels (a total of 9 DACs).The front effect channel signals, unique to Yamaha CINEMA DSP, are mixed with the main channel signals to achieve more
precise separation of dialogue, music and effects on the front sound stage and a superior sense of presence as compared to other systems.
are smaller (2/3 previous types), so
signal paths are shorter and there is
more space for the large power supply
components. Digital interference is
reduced and impedance is lower as well.
Accurate T ouch V olume Control
No one expects more from a volume
control than up and down — except
Yamaha. We decided that controlling
the volume could be made both easier
and more accurate, and the result is the
Accurate Touch Volume Control. It lets
you make delicate adjustments within a
narrow range, yet enables you to move
to very high or low levels more quickly.
Minimal Analog
Processing
Its extreme accuracy is due to a highsignal-resolution analog design in
conjunction with an ultra-precise digital
control circuit (Yamaha original YAC-520
LSI). The wide control range extends
from 0dB to 99dB, with narrow 0.5dB
steps throughout the entire range for
delicate control, even at low volumes.
Brief Guide to Movie Sound Formats
䢇 Dolby Pro-Logic
Dolby Lab’s basic 4-channel format, widely
used in ordinary theaters and for home
videos.
䢇 Dolby Pro Logic II
Improved version of Dolby Pro-Logic for
music and movies. With a more intelligent
matrix decoder, it is suitable for both stereo
and surround-encoded sources. It offers
“bass management” as well as the option of
incorporating “width,” “dimension” and
“panorama” controls.
䢇 Dolby Digital
The most popular 5.1-channel home theater
sound system. An improvement over Dolby
Pro-Logic in that it offers: 1) Full frequency
response in all channels (3Hz — 20kHz), 2)
discrete surround channels, and 3) a
separate track for bass only, called the Low
Frequency Effects channel.
䢇 Dolby Digital EX
Dolby's latest surround format, this is Dolby
Digital with an added center rear channel.
The rear center channel is actually matrixed
into the two rear channels, and is extracted
upon playback. (Formerly called Dolby
Digital Surround EX, or Dolby Digital Matrix
6.1.)
䢇 DTS Digital Surround
The basic DTS 5.1 channel sound format.
Uses a higher data rate than Dolby Digital.
䢇 DTS-ES Matrix 6.1
In this format, the back surround channel is
matrix encoded into the left and right
surround channels. For playback, the three
channels are separately decoded.
䢇 DTS-ES Discrete 6.1
DTS-ES uses its large bandwidth to provide
a fully discrete rear center channel, as
opposed to a matrixed one.
䢇 DTS Neo:6
Provides 5.1 or 6.1 channels of matrix
decoding from stereo matrix material. Also
decodes Extended Surround matrix
soundtracks and has a Music mode to
expand stereo non-matrix recordings to 5.1
or 6.1 channels.
3/10 (R/L/T/K)
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High Current Amplification Achieves Low Impedance/
GND
Power
Supply
Circuit
Amplifier
Circuit
A
B
GND
Power
Supply
Circuit
Amplifier
Circuit
C
D
High Current Power from Input to Output.
The Importance of High Current
Although power rating is often the first
thing customers look at in a receiver, high
power output does not necessarily mean
good sound. High current level is a much
more important factor. Yamaha receivers
has always had fairly high current levels,
but with the RX-V640, we have further
improved this performance.
What It Does
In brief, Yamaha High Current
Amplification achieves low impedance,
high current power from input (power
supply circuit) to output (speaker
terminals). This drives the speakers much
more smoothly and dynamically, for better
sound from all sources, including 2channel audio.
Specific Improvements
The first problem to be overcome was the
difference in voltage that ordinary
receivers suffer between the power supply
and amplifier circuits, caused by current
fluctuations. This was solved by using
custom-made, high-grade block
electrolytic capacitors and a copper grip
for one-point grounding. Another current
drop is generally seen between the
amplifier circuit and the speaker
terminals, caused by the cables, speaker
output relays, copper circuit boards, and
so on. To increase current here, we used
an extra-large, low-impedance
transformer and gold-plated speaker relay
contacts.
6-Channel High Power,
Discrete Amplifier Configuration
The RX-V640 will deliver as much as 85W
of power to each of six channels (two
main, two rear, one center and one rear
center). This is more than enough to fill
even the largest rooms with vibrant music
and Richter-scale sound effects. 6-4
mixdown is also provided, for enjoying 6channel input sources from four or five
speakers you already have on hand with
or without a subwoofer.
High Dynamic Power Capability
The RX-V640 is capable of delivering large
amounts of reserve power for accurate
reproduction of the high energy peaks that
are especially prevalent in digital audio
sources. This emphasizes the music’s
dynamic qualities and provides a sharper
sound image.
Linear Damping (Main L/R Channels)
Level variations due to high amp
impedance tend to reduce an amplifier’s
damping factor, and frequency variations
cause it to fluctuate. This circuit cancels
the effect of these variations, maintaining a
high, stable damping factor, for superior
articulation of all sounds and better
frequency response.
Anti-Resonance T oP-ART Base
Supporting the heavy heat sinks and circuit
board is Yamaha’s ToP-ART base, which
has exceptional anti-resonance and
damping characteristics. Beneath this base
is the bottom of power amplifier, part of the
High Current Amplification Principle
The voltage (A) of Block Electrolytic Capacitors and voltage (B) of
Power Transistor Collector should be ideally at the same level. However,
when the current become large, there will be a big difference in the
level of each voltages.
Voltage level difference between A (power supply circuit) and B
(amplifier circuit).
Conventional Amplifier
High Current Amplification
4/10 (R/L/T/K)
There is also a level difference between Output of the Power Amplifier
(C) and Speaker Terminals (D), which is reflected by coppers of PCB,
Speaker out put relays, cables and so on, resulting damaging the
sound quality.
Voltage level difference between C (amplifier circuit output) and D
(speaker terminals).
Conventional Amplifier
High Current Amplification
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RX-V640
NEW PRODUCT BULLETIN
heavy chassis which is also designed for
maximum vibration damping.
Anti-Resonance Aluminum-Extruded
Heat Sink
The large, anti-resonance, aluminumextruded heat sink is located on the base
frame with the power amplifier circuit
boards to prevent interference with the
preamplifier and digital processing
sections. The power block is equipped
with a fan, but it is only used for extreme
heat build-up and is not activated during
normal operation, preventing the
occurrence of even the slightest unwanted
noise.
Wide-Range Frequency Response for
DVD-Audio and SACD
With an extremely wide frequency range
of 10 to 100,000Hz, this receiver is
capable of delivering the full potential of
the new digital audio sources DVD-Audio
and SACD.
Optimum Space Utilization
The use of highly integrated LSIs allows
an interior design that maximizes power
and sound quality by positioning all the
digital processors and related circuitry in
one small area. This leaves most of the
space open for the power amplifier
components: transformers, capacitors,
heat sink and so on. This means that
these parts can be much larger than usual
for greater power, that they can be
separated for minimum chance of
interference, and that circuits can be
arranged in straight lines for maximum
signal purity. For example, the tone control
circuit layout is straighter and shorter than
ever.
䢇 Extra-Large Custom-Made Block
Electrolytic Capacitors
Developed specifically for the RX-V640,
the 12,000µF block electrolytic capacitors
use low-magnification foil and are
exceptionally high quality.
䢇 Direct Signal Path Speaker Relays with
Gold-Plated Crossover Connection and
Shielding
Speaker switching is accomplished by
relays right in front of the speaker
terminals, rather than at the switch
position. This results in a shorter signal
path and minimum output impedance.
䢇 High Performance Myca Capacitors and
Film Capacitors
At this level of sound quality, even these
small parts make a difference. The high
precision FE mica and metallic mylar film
capacitors use polypropylene material
and are the highest performance types
on the market.
RX-V640 Interior View and Signal Flow ( )
RX-V640 High Quality Parts
䢇 Extra-Large Low-Impedance
Transformer
The large 4.4 kg low-impedance
transformer is an important factor in the
RX-V640’s extremely stable power supply.
䢇 Thick PC Board Wiring with 1.6mm
(5/8”) φ Copper Jumper Cables
The audio signal is routed within the
amplifier through exceptionally thick, top
quality wire, ensuring that signal purity is
maintained.
Finest Parts Used Throughout
In order to realize the goals of massive
power and superlative sound quality,
Yamaha technicians completely reevaluated all the parts used in previous
receivers. As a result, many were
replaced with more expensive or customdesigned units.
5/10 (R/L/T/K)
Page 6
No Other Surround Sound System Can Match for
Rich, Detailed, Realistic Sound.
Going Beyond Conventional MultiChannel Systems
Conventional 5.1-channel/6.1-channel
audio reproduction systems base their
sound on Dolby Digital and DTS
decoding, using matrix and steering
technologies to create surround sound
effects. Yamaha CINEMA DSP is much
more advanced, actually creating richly
realized independent sound fields that
merge to envelop you in an unmatched
surround sound experience. With
dialogue, music and effects from the
presence (front), rear and rear sound
fields, you will hear sound with highly
accurate localization, smooth
movement, exceptional clarity and
richness, and startlingly realistic
presence. It will seem as if the walls of
your room have disappeared and you
are in the middle of your own immense
theater!
RX-V640 Surround Programs: 24 Surround Programs (44 Variations)
HiFi DSP Programs Variations
CONCERT HALL 䢇 Concert Hall 1 A circular hall with an expansive sound field.
JAZZ CLUB 䢇 Jazz Club [The Bottom Line] 1 A popular New York club seating 300.
ROCK CONCERT 䢇 Rock Concert [The Roxy Theatre] 1 The well known L.A. rock showcase seating 460.
ENTERTAINMENT
Program Subtotal 55
䢇 Disco 1 Designed to emphasize the exciting rhythms of disco music.
䢇 6 Ch Stereo 1 For reproducing stereo sources via six channels.
Quad-Field and Tri-Field
CINEMA DSP
Tri-Field CINEMA DSP projects three
sound fields into the home theater: a
Presence sound field in the front and
two Surround sound fields in the left
rear and right rear, resulting in a
powerfully realistic three-dimensional
soundscape. And now Yamaha also
offers Quad-Field CINEMA DSP. It adds
an additional rear center sound field to
the Tri-Field system, in order to enjoy
the new 6.1-channel formats, Dolby
Digital EX and DTS-ES.
CINEMA DSP Programs
One of the main advantages of CINEMA
DSP is the large choice of sound field
programs available. The basic program
for movies is Enhanced, which greatly
improves the sound of the surround
fields. The "largest" of these sound
fields is Spectacle, which recreates the
open feeling of large-scale, epic motion
pictures. The Sci-Fi is designed to
reproduce all the complex, dynamic
sounds of space/science fiction movies.
Adventure and General are also included.
Center Graphic Equalizer
In addition to the many audio parameters
that can be adjusted, the RX-V640
provides an even greater degree of sound
field control with the inclusion of a Center
Graphic Equalizer. This lets you finely
“tune” the overall balance of the sound
field to achieve the optimal imaging for
movie sound.
Night Listening Mode for All Surround
Programs
When you’re listening to movies late at
night and turn down the volume during
loud scenes, dynamic range suffers and
CINEMA DSP Programs Variations
ENTERTAINMENT 䢇 Game 1 Adds a deep, spacious feeling to video game sounds.
MUSIC VIDEO 䢇 Pop/Rock 1 For 2 to 6.1 channel live music sources
TV THEATER 1
MOVIE THEATER 1
MOVIE THEATER 2
ENHANCED 䢇 Enhanced 5 A wide, all-enveloping surround sound field as in a theater.
Program Subtotal 929
Surround Formats Variations
Program Subtotal 10 10
Program Total 24 44
Remarks 䢇: HiFi DSP Programs 䢇: A/V Programs 䢇: CINEMA DSP 䢇: Tri-Field CINEMA DSP Capable 䢇: Quad-Field CINEMA DSP Capable
䢇 Mono Movie 1 For old monaural video sources.
䢇 Variety/Sports 1 For 2 to 6.1 channel music and sports shows.
䢇 Spectacle 5 Emphasizes the excitement of scenes with high visual/audio impact.
䢇 Sci-Fi 5 For reproducing the expansive, supernatural effects of high-tech SF movie soundtracks.
䢇 Adventure 5 A powerful three-dimensional sound field with superb clarity.
䢇 General 5 Provides clear dialogue, with a soft, expansive sound.
䢇 Dolby Digital 1
䢇 Dolby Digital EX 1
䢇 DTS Digital Surround 1
䢇 DTS-ES Matrix 6.1 1
䢇 DTS-ES Discrete 6.1 1 For precise reproduction of the various movie sound formats.
䢇 Dolby Pro-Logic 1
䢇 Dolby Pro Logic II Music 1
䢇 Dolby Pro Logic II Movie 1
䢇 DTS Neo:6 Music 1
䢇 DTS Neo:6 Cinema 1
6/10 (R/L/T/K)
Page 7
RX-V640
NEW PRODUCT BULLETIN
you may miss some dialogue and other
sounds. By engaging the Night
Listening mode, you can reduce the
volume and still enjoy proper tonal
balance and dynamic range. You hear
dialogue clearly and the music and
action are just as exciting (without the
screams and explosions disturbing
others).
Auto Priority Input Terminal Selection
and Auto Decoder Selection
Digital input terminals are provided to
handle any kind of digital input.
Functions are programed to select
priority in order of coaxial digital, optical
digital and analog when different digital
formats are input from the same source.
The sound decoder is also
automatically selected and processed
according to the combination of the
format of input signals and the selected
sound field programs, while DSP sound
field processing is optimized at the
same time.
SILENT CINEMA and
Virtual CINEMA DSP
The SILENT CINEMA
mode gives you private
listening enjoyment of
multi-channel music or movie sound,
including Dolby Digital and DTS
surround, through ordinary
headphones. It’s automatically selected
when the headphones are plugged in.
Virtual CINEMA DSP lets you enjoy the
effects of CINEMA DSP surround sound
without using rear speakers (handy for
use in custom installations where some
rooms don’t have rear speakers). It can
be used with the main/center/front
effect speakers or even with just the two
main left and right speakers.
Quad-Field CINEMA DSP
SILENT CINEMA Sound Field Imaging
Virtual CINEMA DSP Sound Field Imaging
Conventional
6.1-Channel Systems
Presence (Front) Sound Field
Dialogue MusicEffect
Rear Left Surround/
Effect Sound Field
Rear Center Surround/
Effect Sound Field
Rear Right Surround/
Effect Sound Field
7/10 (R/L/T/K)
Page 8
All the A/V Connections Needed for the Present and
Into the Future! Plus a Host of Convenient Features.
Easy Setup and Operation
The RX-V640 has an ergonomic design
that ensures simple, convenient
operation. Everything from the layout of
the controls to the display menus has
been planned to make using the unit
easy and enjoyable.
Convenient Setup Menu and
Controls
Extensive yet easily understandable
setup menus make it easy to select
and adjust desired functions.
Especially useful is a speaker display
in the Speaker Test mode that makes it
easy to balance the levels of all
speakers. DSP programs can be
selected with the remote control so
their effects can be judged from the
listening position. A rotary encoder
Input Selector makes source selection
quick and easy.
Program Name and Surround Sound
Indications
The front panel display shows a variety
of surround sound status indications, so
you always know what modes you are
in. The Program name is displayed,
including the word “Night” if the Night
Listening mode is selected. Six sound
field modes including Quad-Field and
Tri-Field are also indicated.
An Extensive Range of Useful Menus
The RX-V640 gives you extensive
control over audio and operational
modes through a selection of
parameters that can be adjusted from
the on-screen menus. The Basic modes
are Setup and Speaker Level, while the
Sound modes feature a Center Graphic
Equalizer, Speaker Set, Speaker
Distance, LFE Level, Dynamic Range and
Headphone Tone Control. The Input
modes are I/O Assignment and Input
function. Options include Display Set,
Memory Guard, and two new functions,
Variable Audio Mute and Zone Set. All of
these parameters can be selected and
adjusted from either the front panel or the
remote control.
Extensive Input Terminals
This versatile receiver provides terminals
for four optical and one coaxial digital
inputs, three S-Video inputs, five AV and
two audio inputs. It also offers a Video
Conversion connection (S-Video to
Composite) and Aux inputs including S-Video
on the front panel.
RX-V640 Extensive Connections
4* Optical and 1
Coaxial Digital
Inputs, and 1
Optical Digital
Outputs (fixed
and assignable)
6-Channel External
Decoder Input for
Enjoying DVDAudio/Video or SACD
* Including front panel video aux terminal (fixed)
5 A/V (with SVideo) and 2
Audio Inputs,
and 2 A/V (with
S-Video) and 1
Audio Outputs
S-Video and
Composite
Monitor Output
Terminals
2 Component Video
Inputs (fixed and
assignable) and 1 HDTV
compatible Component
Video Output
40-Station
AM/FM Preset
Tuning
Main L/R, Center, Rear L/R
and Rear Center Preout, and
Subwoofer Output Terminals
2-Way Binding-Post Speaker
Terminals (Banana-Plug
Compatible)
8/10 (R/L/T/K)
RX-V640 Inputs and Outputs
CD 䡲 䡵 䡲䡲
MD/CD-R 䡲䡲䡲 䡵䡵
DVD 䡲 䡲 䡵 䡲 䡲䡲䡵
D-TV/CBL 䡲 䡲 䡵 䡲 䡲䡲䡵
VCR 1 䡲䡲䡲䡲䡲䡲䡲䡲䡲䡲
VCR 2/DVR 䡲䡲䡲䡲䡲䡲䡲䡲䡲䡲
VIDEO AUX** 䡲 䡲䡲䡲䡲
MONITOR OUT 䡲䡲䡲*
* Comp. V: Component Video
** Video Aux terminals are on front panel.
䡲*: Component Video Out is compatible with HDTV.
䡲: Fixed Terminals
䡵: Fixed and Assignable Terminals
䡲: Assignable Terminals
Analog Digital Video
Coaxial Optical
In Out In Out In Out In Out In Out In Out
Composite
S Video
Compo. V.*
Page 9
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 Ter minals
• 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)
Page 10
RX-V640 Notable Features
High Performance Digital Circuitry
1
•96 kHz/24-Bit D/A Conversion for All Channels
•Accurate Touch Digitally Regulated Volume Control Governs All
Channels (Yamaha YAC-520 LSI)
•4-Layer DSP Processing Board to Prevent Digital Interference
2
High Density CINEMA DSP Circuitry
•Powerful Original 32-Bit Floating-Point Quantization System LSI
(YSS-938) for CINEMA DSP Processing
•Compatibility with Latest Movie Sound Formats including Dolby
Digital EX, Dolby Pro Logic II, DTS-ES Matrix 6.1, DTS-ES
Discrete 6.1, and DTS Neo:6
•Center Graphic Equalizer for “Fine Tuning” Sound Field Balance
•24 Surround Programs (44 Variations) including New Music
Video Programs
•Night Listening Mode with Indication for All Programs
•Quad-Field CINEMA DSP for 6.1-Channel Digital Surround
•SILENT CINEMA for Headphone Enjoyment
•Virtual CINEMA DSP for Versatile Surround Enjoyment
3
High Current Amplification
•6-Channel High Power Discrete Amplifier Configuration
(85W x 6 [20–20,000 Hz, FTC])
•High Dynamic Power, Low Impedance Drive Capability
•Linear Damping Circuit Prevents Unwanted Speaker Cone
Movement
•Wide-Range Audio Frequency Response (10–100,000 Hz +0/-3
dB) for DVD-Audio/SACD Compatibility
•Finest Parts Used Throughout
–Extra-Large, Low-Impedance Transformer (4.4 kg)
–Extra-Large Custom-Made Block Electrolytic Capacitors
(12,000 µF)
–Anti-Resonance, Aluminum-Extruded Heat Sink
–Direct Signal Path Speaker Relays with Gold-Plated
Crossover Connection and Shielding for Stable Signal Path
and Speaker Protection
–One-Point Grounding for Improving Linearity and Damping
Factor
–ToP-ART Base for Reduced External Resonance
–High Performance Myca Capacitors and Film Capacitors
–Thick PC Board Wiring with 1.6mmφCopper Jumper Cables
Versatile,Extensive Connections
•4 Optical and 1 Coaxial Digital Input Terminals (fixed and
assignable, Video Aux: fixed)
•1 Optical Output Terminal (fixed and assignable)
•5 A/V (with S-Video) and 2 Audio Input Terminals
•2 A/V and 1 Audio Output Terminals
•Front Panel Video Aux Input Terminals with Optical Digital and
S-Video Terminals
•Preout Terminals for Main, Center, Rear and Rear Center
Channels
•Subwoofer Output Terminal
•6-Channel External Decoder Input Terminals for Future Sound
Formats
•2-Way Binding-Post Speaker Terminals (banana-plug
compatible, all terminals)
High Video Quality
•HDTV(720p/1080i) Compatibility
•Wide-Range Video Power Bandwidth (5Hz—60MHz -3 dB)
• 2 Component Video Input Terminals (fixed and assignable) and
1 Monitor Output Ter minal
•Video Conversion (S-Video to Composite, Monitor Out)
Video Conversion is not offered on models in some areas.
Convenient Operating Features
• Program Name and Sound Field Indications
• Auto Priority Input Selection and Auto Decoder Selection
• Rotary Encode Input Selector
• Easy Menu Setup
- Basic Modes: Setup and Speaker Level (Balance
Adjustment)
- Sound Modes: Speaker Set, Speaker Distance, LFE Level,
Dynamic Range, 5-Band Center Graphic Equalizer and
Headphone Tone Control
- Input Modes: I/O Assignment and Input Mode
- Options: Display Set, Memory Guard, Audio Mute (3 steps:
Mute, -20dB, -50dB) and Zone Set
• Easy Menu Setup Can Control with Remote Control and Front
Panel
• 6-4 Mixdown (6-Channel Input)
• Speaker A+B and A/B Selector
• Test Tone Generator
• Sleep Timer
• Preset Remote Control Unit with Preset Code for DVD, TV, VCR,
etc.
High Quality,Stable Reception Tuner
• 40-Station AM/FM Random Access Preset Tuning
• Auto Preset Tuning
Yamaha’s unique technology for the creation of sound fields is capable of
sound engineers aim to convey, in any audio format from monaural to the latest 6.1-channel
digital surround. It is compatible with DVD and all other A/V sources.
Yamaha CINEMA DSP technology has received a patent in the U.S. (Patent No.
5,261,005).
powerfully reproducing the three-dimensional environment that movie
•Dolby Digital and Double D are trademarks of Dolby Laboratories Corporation.
•DTS, ES and DTS Digital Surround are trademarks of Digital Theater Systems, Inc.
•Product designs and specifications are subject to change without notice.
For details please contact:
10/10 (R/L/T/K)
Visit us at our website:
http://www.yamaha.co.jp/
YAMAHA CORPORATION
P.O.Box1,Hamamatsu,Japan
APB660R-RXV640@206
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