1615
EN
CHARACTERISTICS
Thank you for purchasing Hi-Fi products of Shengya Audio!
We believe that the unremitting pursuit of high-quality audio products is our responsibility
and your ideal.
In order to make CD-3.8 (Compact Disc Player)better performance and bring you greater
pleasure, we recommend that you read this manual carefully before connecting and operating
the system.
GRATITUDE
Warning: In order to prevent fire or electric shock, please do not expose the
machine to rain or humid environment. There are dangerous high-voltage accesso-
ries in the machine, so do not open the machine cover and only entrust it to qualified
maintenance personnel.
Dangerous voltage: In order to reduce the risk of electric shock, please do not
remove the cover (or rear panel)without authorization.
Note: There are no user-overhauled parts inside the device. When overhauling is
required, please entrust the dealer or qualified personnel.
The equipment is only suitable for safe use in tropical climates, with a maximum operating temperature of 45°C;
The equipment is only suitable for safe use in areas with an altitude of 5000m and below;
The equipment uses an appliance coupler as a disconnect device.
SAFETY WARNING
CD-3.8 is an upgraded product improved on the basis of the original CD-3.5; this
machine optimizes the assembly process of the movement, which greatly improves
the accuracy of reading discs, and significantly improves the volume of sound
information and sound density. Positioning is more precise.
Using Philips professional high-performance VAM1202 movement, coupled with
highly integrated CD 7-II digital servo IC, so that CD-1has the advantages of accurate
decoding, strong error correction ability, and stability.
The digital and analog converterchip is the latest decoding chip PCM 1792 from
Burr-Brown Company in the United States. The chip has 24bit converteraccuracy and
192KHz sampling frequency, which can accurately restore every detail of music. In
addition, to ensure converteraccuracy, an independent active clock is especially used.
The analog signal amplification adopts the high-precision, high-speed operational
amplifier OPA627 and OPA2134 and OPA2604 of Burr-Brown Company of the United
States. At the same time, it is equipped with a well-known third-order GIC low-pass
filter, which can effectively filter out the interference noise of the digital signal and
make the audio signal more pure.
This CD-1 CD playerhas two output options: transistor audio output and tube audio
output; it is convenient for users to choose one of the output modes according to
