SHENGYA PSM-350T User manual

中山市声雅音响电器有限公司
地址:广东省中山市小榄镇民安南路广进横街8号
电话:[phone]
传真:[phone]
邮箱:[email protected]om
www.shengya-audio.com
ZHONGSHAN SHENGYA AUDIO ELECTRONIC CO.,LTD
Address:No.8,Guangjin Heng Street,Min'an South Road,
Xiaolan Town,Zhongshan City,Guangdong Province
Tel:[phone]
Fax:[phone]
E-mail:[email protected]om
因产品改进，规格及外观如有小许变化，恕不另行通知，最终解释权归声雅音响电器有限公司所有。
声雅微信公众号
ShengYa WeChat
Official Accounts
声雅微信客服号
ShengYa WeChat
Customer service 使用说明书 / User's Manual
PSM-350T
全平衡双声道甲类功率放大器
Class a stereo power amplifier
VER: S2.0

目录
CONTENTS
02
03
04
05
07
08
09
性能特点························································
前面板功能····················································
后面板功能····················································
系统连接························································
注意事项························································
故障指导························································
技术参数························································
中文
CHARACTERISTICS ·······································
FRONT PANEL FUNCTION ····························
BACK PANEL FUNCTION ·······························
SYSTEM CONNECTION ··································
PRECAUTIONS ···············································
FAULT GUIDANCE ·········································
PARAMETERS ················································
11
13
14
15
17
18
19
EN

01 02
性能特点
中文
感谢
感谢您购买声雅音响的 Hi-Fi 产品 !
我们相信，对高品位音响产品的不懈追求，是我们的责任，也是您的理想。
为使 PSM-350T 全平衡单声道甲类功率放大器更好地发挥它的性能，给你带来更大的乐
趣，我们建议您在连接及操作本系统之前，认真阅读本说明书。
安全警告
警告:为防止起火或触电事故,请不要让机器暴露在雨中或潮湿环境里。机内有危
险的高电压配件,因而不要打开机盖维修时只可委托给合资格的维修人员。
危险电压:为减少电击危险,请勿擅自拆卸盖子(或后板)。
请注意:装置内部并无用户自行检修的零部件,需要检修时,请委托经销商或合资
格的人员。
设备仅适用于热带气候条件下安全使用，最高操作温度为45°C；
设备仅适用于海拔5000m及以下地区安全使用；
设备使用器具耦合器作为断接装置。
音频信号输入级由电子管作差分电压放大，名品晶体管作第二级差分电压放大,末级由24支大功率晶
体管组成强大功率输出级,轻易推动低至2欧姆阻抗的大型音箱。
采用独立双声道平衡放大原理结构，有效消除动态串音干扰问题，令声场定位、分析力和声音能量稳
定度等性能指标表现有极大的提高。
电源供应部分由1500W环形变压器，12万微法音响专用电解电容组成，配合巨大的铝合金散热器；由
于大量音响专用材料投入，从而对音箱产生强而有力的驱动及控制作用。
在30W内为甲类输出状态,音色细腻润厚。当超过30W后自动转为甲乙类输出模式,使播放大动态音乐
软件时有力拔山河之势。
增加了平衡与不平衡信号输入选择，可连接两个不同音色的前级放大器。
可设定甲类或甲乙类输出状态，既方便音色的调整， 也可以选择节约耗电量令机箱热量大幅降低，使
聆听不同的音乐内容时选择合适的工作方式。
不平衡信号输入端子和平衡信号输入端子以及音箱连接端子都选用镀金端子；内部音频信号连接线
采用进口高级线材，使音频信号得到更理想的传输。
面板设有工作状态指示表,使用户清晰观察到机器处在甲类抑或甲乙类的运行状态；极具时尚动感和
观赏性。
外观设计以体现产品内涵为主要宗旨，细节丰富考究，每一个细节都是由内到外，由大到小衍生而
来，自然精彩而毫无做作。整机大面积采用黑色，并以少量的不锈钢镀金部件装点其中，不但增强了视觉冲
击，从而使黑色产生了前所未有的魅力；稳重大气、整体与细节的关系演绎得非常精彩、美妙、十分耐看，彰
显华贵气质。

03 04
前面板功能 后面板功能
甲类工作模式设定开关按钮
此开关是对本机工作模式进行设定；
按下开关时机器以甲类工作模式进行输出工作(指示灯点亮)；
复位时机器以甲乙类工作模式输出工作(指示灯熄灭)。
1
电源开关按钮
此开关用于接通或切断整机交流电源。
2
音频输入模式设定开关按钮
此开关是对本机音频输入模式进行设定；
按下开关时机器以XLR IN(平衡)音频信号输入工作(指示灯点亮)；
复位时机器以RCA IN(不平衡)音频信号输入工作(指示灯熄灭)。
3
工作状态指示表
清晰观察到机器处在甲类抑或甲乙类的运行状态
4
12 3
4
输出接线柱
可连接阻抗为4-8Ω的音箱; 红色为正极, 白色为负极。
1
输出接线柱
可连接阻抗为4-8Ω的音箱; 红色为正极, 白色为负极。
2
音频信号XLR及RCA单声道输入端子
用于连接前级的XLR(平衡)及RCA(不平衡)声道音频输出端子。
3
带交流电源保险丝的电源插座
此电源插座用作连接交流电源，保险丝在电源插座下部，更换保险
丝时一定要将电源线拔下方可更换。
4
4
2
3
1

05 06
系统连接 系统连接
注意:
1.红色为正极,白色为负极,音箱与输出接线柱连接时请对应相同极性,
否则会影响听音效果。
2.面板输入模式按钮处于复位状态(指示灯熄灭)
1信号源(CD唱机)的音频输出端子RCA(不平衡)与前级
音频输入端子RCA对应连接。
(前级提供四组不平衡信号输入端子)
2前级音频输出端子RCA(两组可选其中一组)与后级音
频输入端子RCA对应连接。
3后级输出接线柱连接左/右声道音箱。以上音箱接线法
为普通接法。(也可作双线分音接法)
注意:
1.红色为正极,白色为负极,音箱与输出接线柱连接时请对应相同极性,
否则会影响听音效果。
2.面板输入模式按钮处于按下状态(指示灯点亮)
1信号源(CD唱机)的音频输出端子XLR(平衡)与前级音
频输入端子XLR对应连接。
2前级音频输出端子XLR与后级音频输入端子XLR对应
连接。
3后级输出接线柱连接左/右声道音箱。以上音箱接线法
为普通接法。(也可作双线分音接法)
不平衡接线法 平衡接线法
HF
LF
HF
LF
3 3
CD唱机
前级
音箱
ANALOG OUTPUT
BALANCED BALANCED
RCA
INPUT OUTPUT
1
2
PSM350T
功放
CD唱机
前级
PSM350T
功放
音箱
HF
LF
HF
LF
ANALOG OUTPUT
BALANCED BALANCED
RCA
INPUT OUTPUT
1
2
3 3

07 08
注意事项 故障指导
原因 解决方法
1.电源线没接好
2.交流保险管熔断
3.前级音量旋钮在最小位置
4.输入信号线没有接好
5.音源未工作或音源不良
6.音箱连线未接好
7.机器严重过载
8.机内直流保险管熔断
9.后级输入模式开关位置不当9.设定对应的工作模式(RCA或XLR)
4.接好输入信号线
5.开启音源或更换其他音源
6.音箱连线未接好
7.关机并检查音箱线是否短接
8.请合格维修人员更换保险管
1.接好电源线
2.请合格维修人员更换保险管
3.将音量调整到适当位置
1.一边信号输入线未接好
2.一边音箱线未接好
1.接好信号输入线
2.接好音箱线
1.信号线接触不良或插得不够深入
2.信号线不良
1.插紧信号线或用力把插头插入
2.更换信号线
异常现象
无声
有一边
声道无声
声音伴有很大
交流声(嗡嗡声)
当您一段长时间不使用本机时请将
电源线从插座拔下。
不要随便拆开机壳拔弄内部器件,这
样会有触电危险。
清洁机壳时,请勿使用具有强烈挥发
性有机溶剂(如汽油,苯等)洗擦机面
机壳,应用柔软干净的布轻擦。
请将本机放置于通风良好以及干燥
的地方工作，不要放置在阳光直接照
射或靠近热源地方；并注意支承机器
的柜台四周要有一定空间，10cm内
无任何障碍物；以便机器通风散热。
机器上不能放置带液体的容器(如花
瓶、水杯、油瓶等)，更不可将任何类
型的液体洒入机器内，这会造成短路
或漏电事故。
使用电源时请手执插头绝缘部分插
入或拔下电源插座,不要直接扯电源
线。

09 10
EN
技术参数
本公司产品保养维修委托当地经销商负责联络接洽。
我公司产品奉行不断改进与更新,产品规格及指标如有变更，恕不另行通知。
如有对本说明书不解之处，请向零售商咨询，或直接向本公司查询。
本产品的执行标准 :GB8898、Q/SHYA01-1997
1.频率响应 ································ : 20Hz-20kHz±0.5dB
5.输入灵敏度 ···························· : 1.2V(不平衡)
6.信噪比 ···································· : 90dB(宽带)
7.输入阻抗 ································ : 47KΩ
8.体积(W×H×D) ························· : 446×216×531(mm)
9.重量 ······································· : 36kg
3.甲类输出功率 ························ : 30W+30W(8Ω)
4.谐波失真 ································ : ≤0.1%(1kHz 1W)
2.额定输出功率 ························ : 350W+350W(8Ω)
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 PSM-350T (Class a stereo power amplifier)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

11 12
CHARACTERISTICS CHARACTERISTICS
The audio signal input stage is made of electronic tubes for differential voltage
amplification, and famous transistors are used for the second stage of differential
voltage amplification.The final stage is composed of 24 high-power transistors to form
a 0dB powerful power output stage, which can easily drive floor standspeakers with
an impedance as low as 2 ohms.
The independent dual-channel balanced amplification structure is adopted to
effectively eliminate the problem of dynamic crosstalk interference, so that the
performance indicators such as sound field positioning, analysis power and sound
energy stability are greatly improved.
The power supply part is composed of a 1500W toroidal transformer, 120,000
micro-farad audio special electrolytic capacitors, witha huge aluminum heat sink. A
large amount of audio special materialsgivesa strong driving and control effect on
the speaker.
Within 30W, it is a Class A output state, and the sound is delicate and thick. When it
exceeds 30W, it will automatically switch to Class A and B output mode, making it a
powerful force when playing big dynamic music software.
The balanced and unbalanced signal input options connect two preamplifiers with
different tones.
Theselection of Class A or Class AB outputis not only convenient for adjusting the
tone, but also save power consumption to greatly reduce the heat, so that you can
choose a suitable working modewhen listening to different music contents.
The unbalanced signal input terminal, the balanced signal input terminal and the
speaker connection terminal all use gold-plated terminals; the internal audio signal
connection line adopts imported high-grade wire, so that the audio signal can be
transmitted more ideally.
The panel is equipped with a working status indicator, so that users can clearly
observe the machine is in a Class A or Class AB operating state; it is very fashionable
and dynamic.
The main purpose of the appearance design is to reflect the connotation of the
product. The details are rich and elegant. Every detail is derived from the inside to the
outside and from the big to the small. It is naturally wonderful and unpretentious. The
whole machine adopts black in a large area, and is decorated with a small amount of
stainless steel gold-plated parts, which not only enhances the visual impact, so that
the black has an unprecedented charm; the stability and the relationship between the
whole and the details are very wonderful, beautiful, and very attractive. Demonstrate
luxurious temperament.

13 14
BACK PANEL FUNCTIONFRONT PANEL FUNCTION
12 3
4
CLASS A/AB SWITCH
This switch is to set the working mode of the machine;
When the switch is pressed, the machine performs output work in
Class A working mode (the indicator light is on);
When reset, the machine performs output work in Class AB working
mode (the indicator light goes out).
1
POWER
This button is used to turn on or off the AC power supply of the
whole machine.
2
XLR/RCA
This switch is to set the audio input mode of the machine;
When the switch is pressed, the machine works in XLR audio
signal input (the indicator light is on);
When reset, the machine works in RCA audio signal input (the
indicator light goes out).
3
WORKING STATUS INDICATOR
Clearly observe whether the machine is in a Class A or Class AB
operating state
4
OUTPUT TERMINAL
Can connect speakers with an impedance of 4-8Ω; red is positive
and white is negative.
1
OUTPUT TERMINAL
Can connect speakers with an impedance of 4-8Ω; red is positive
and white is negative.
2
AUDIO SIGNAL XLR AND RCA MONO INPUT TERMINAL
Used to connect the preamplifier XLR and RCA audio output terminals.
3
POWER SOCKET WITH AC POWER FUSE
This power socket is used to connect to AC power. The fuse is at
the bottom of the power socket. When replacing the fuse,be sure
to pull out the power cord to replace it.
4
4
2
3
1

15 16
SYSTEM CONNECTION SYSTEM CONNECTION
CD PLAYERPSM350T
AMPLIFIER PREAMPLIFIERSPEAKER
NOTE:
1. Red is positive and white is negative. When connecting the speaker
and the output terminal, please correspond to the same polarity,
otherwise it will affect the listening effect.
2. The XLR/RCA input mode button is in the reset state (the indicator
light is off).
XLR WIRING METHOD
HF
LF
HF
LF
3 3
ANALOG OUTPUT
BALANCED BALANCED
RCA
INPUT OUTPUT
1
2
CD PLAYERPSM350T
AMPLIFIER PREAMPLIFIERSPEAKER
HF
LF
HF
LF
ANALOG OUTPUT
BALANCED BALANCED
RCA
INPUT OUTPUT
1
2
3 3
NOTE:
1. Red is positive and white is negative. When connecting the speaker
and the output terminal, please correspond to the same polarity,
otherwise it will affect the listening effect.
2. The XLR/RCA input mode button is in the reset state (the indicator
light is off).
RCA WIRING METHOD
The RCA audio output terminal of the signal source
(CD player)is connected to a preamplifier RCA audio
input terminal correspondingly.
(The preamplifier provides four sets of unbalanced signal input terminals).
1
The preamplifier RCA output terminal (one of the two
groups can be selected)is connected to the power
amplifier RCA input terminal.
2
The power amplifier output terminal is connected to the
left/right channel speakers. The above speaker wiring
method is common connection method.
(It can also be used for two-wire crossover connection).
3
The XLR audio output terminal of the signal source
(CD player)is connected to a preamplifier XLR audio
input terminal correspondingly.
1
The preamplifier XLR output terminal is connected to
the power amplifier XLR input terminal.
2
The power amplifier output terminal is connected to the
left/right channel speakers. The above speaker wiring
method is common connection method.
(It can also be used for two-wire crossover connection).
3

17 18
FAULT GUIDANCEPRECAUTIONS
Please unplug the power cord from
the socket when you are not using
the machine for a long time.
Do not disassemble the casing and
try to get the internal components,
otherwise there will be a risk of
electric shock.
When cleaning the cabinet, do not
use strong volatile organic solvents
(such as gasoline,benzene,etc.)to
clean the cabinet on the surface of
the machine.Use a soft,clean cloth
to wipe gently.
Please place the machine in a
well-ventilated and dry place for
work.Do not place it in direct sun-
light or close to a heat source;and
pay attention to a certain space
around the counter supporting the
machine,without any obstacles
within 10cm;to allow the machine
to ventilate and dissipate heat.
Do not place containers with liquids
(such as vases,water cups, oil bot-
tles,etc.)on the machine, and do
not spill any type of liquid into the
machine,which may cause short
circuits or electric leakage acci-
dents.
When using the power supply, insert
or unplug the power socket by
holding the insulated part of the
plug,and do not pull the power cord
directly.
3.The preamplifier volume knob is in the minimum position
4.The input signal line is not connected properly
5.The sound source is not working or the sound source is bad
6.Speaker connection is not connected
7.The machine is overloaded
8.Internal DC fuse breaker
9.Improper position of the power amplifier input mode switch
7.Replace speakers with 4-8Ω impedance
8.Ask qualified maintenance personnel to replace the fuse
9.Set the corresponding working mode (RCA or XLR)
3.Adjust the volume to the appropriate position
4.Connect the input signal line
5.Turn on the audio source or change to another audio source
6.Connect the speaker cable
1.Connect the power cord
2.Ask qualified maintenance personnel to replace the fuse
1.The power cord is not connected properly
2.AC fuse blown
1.One side of the signal line is not connected
2.One speaker cable is not connected properly
1.Connect the signal line
2.Connect the speaker cable
1.The signal line is in poor contact or not inserted deep enough
2.Bad signal line
1.Tighten the signal cable or force the plug into
2.Replace the signal line
ABNORMAL REASON SOLUTION
Mute
One side channel
is voiceless
The sound is
accompanied by a
loud humming

19 20
PARAMETERS
The company's product maintenance and repair entrust the local distributor to be responsible for contacting and contacting.
Our company's products pursue continuous improvement and update, product specifications and indicators are subject to change without notice.
If you have any questions about this manual, please consult the retailer or directly contact our company.
Implementation standards of this product:GB8898、GB/T10406-93、Q/SHYA01-1997
6.Signal To Noise Ratio ················· : 90dB(wideband)
7.Input Impedance ······················ : 47KΩ
8.Dimensions(W×H×D)················ : 446×216×531(mm)
9.Weight ····································· : 36kg
1.Frequency Response ················ : 20Hz-20kHz±0.5dB
5.Input sensitivity ······························· : 1.2V(unbalanced)
3.Class A Output Power ················ : 30W+30W(8Ω)
4.Harmonic Distortion ················· : ≤0.1%(1kHz 1W)
2.Output Power ··························· : 350W+350W(8Ω)