Shuguang Audio Classic, Audio Classic S200MK Series Manual

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Thank you very much for choosing Shuguang Audio Classic Series vacuum tube

pre-amplifier.

Please read this manual in its entirety before you turn on the amplifier for the first time.

About Shuguang Audio

Shuguang Electron Group (aka Shuguang Electron) currently is the world’s largest vacuum

tube producer. The group was formed in 1958 and over the past decades, Shuguang has

designed and manufactured many high quality audio vacuum tubes and they are used on

tube audio products under many brands.

Shuguang Dongsheng Electronics Co. Ltd (aka Shuguang Audio) is a subsidiary of

Shuguang Electron Group, specialized in high end vacuum tubes and tube audio design,

manufacture and distribution.

This Shuguang Classic series vacuum tube amp is one of Shuguang Audio’s many

products.

Caution!

 This product should only be used with its specified power supply voltage /

frequency to ensure safety and longevity.

 If the product is not in use for extended period of time, please unplug the unit

from your power supply.

 When the product is powered on, do not touch the vacuum tubes with bare

hands or any materials that could melt at high temperature. Tubes operate at

extremely high temperature and could cause serious burn to exposed skin.

Children should be kept away from a tube amplifier, no matter if it is powered on

or off for safety precautions.

 The product should be kept in a dry area, without excessive moisture and has

absolutely no contact with liquid.

 Tube amplifier produces heat during operation – it should always be kept well

ventilated. Do not install them inside an enclosed cabinet.

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 Any repairs should be carried out by certified personnel only.
 When moving a tube amplifier, please be gentle in case the vacuum tubes are

damaged during handling.

 Under no circumstance should a vacuum tube be removed from a tube amplifier

or speakers are disconnected while the amplifier is still powered on.

Functions:

Front Panel:

1. power on/off 2. Volume 3. Inputs 4.Remote infrared

Top View:

1.EL84 2. 6Z4 3. 12AX7 4.12AX7 5.12AU7

Rear View: