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96kHz/24-Bit DACs for All Channels
The RX-V640’s vitally important digital-to-
analog 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)
2/10 (R/L/T/K)
Ⅲ High power 6-channel discrete
amplifier configuration (125W x 6
Max)
Ⅲ Digital ToP-ART (Total Purity
Audio Reproduction Technology)
Ⅲ High Current Amplification for
high sound quality
Ⅲ Easy setup and operation
Ⅲ Compatibility with latest movie
sound formats including Dolby
Digital EX, Dolby Pro Logic II,
DTS-ES Discrete 6.1, and DTS
Neo:6
Ⅲ Powerful 32-bit Yamaha LSI
(YSS-938) for CINEMA DSP
processing
Ⅲ 24 surround programs (44
variations) with SILENT CINEMA
and Night Listening mode
Ⅲ Extensive input capability
including 4 optical/1 coaxial
digital, 5 S-video, 5 A/V and 2
audio inputs
Superior Technology and Design for Flawless
Performance and Comprehensive System Control.
Digital ToP-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 Yamaha’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 (DTS-
ES 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.
RX-V640
Digital Home Theater Receiver