TRIODE TRV-A300SER User manual

Vacuum Tube Integrated Amplifier
TRV-A300SER
Please read the manual carefully before installation and operation.
User’s Manual
12AU712AX712AU7
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5AR4

Vacuum T Integratedube Amplifier
1
Table of Contents
Suggestions
Thanks for choosing our TRIODE TRV-A300SER Integrated Amplifier as an
important part of your music system and please read the manual carefully before installation
and operation.
In order to prevent damage during transportation the amplifier is packed with protective
foams surrounding the tubes. Before installation please remove these foams to avoid
any risks.
Vacuum Tube
Rear Panel...........................................6
Remote Control Unit..............................7
9
10
11
....................................12
13
Installation..........................................8
Audio Connection.................................
Speaker Connection.............................
Turn On...............................................
Specification..
Troubleshooting..................................
Table of Contents.............................
Overview From The Top.....................5
1
Package Contents........ ....................1.
Product Features...............................2
Safety Precautions...........................2
Warranty.........................................3
Precautions.....................................3
Front Panel.....................................4
Integrated Amplifier is designed and manufactured
with our original parts and reaching the best results. We are not responsible for problems
and damages caused by non-original parts replacement in the amplifier.
TRIODE TRV-A300SER Vacuum Tube
Package Contents
Please carefully check the package first and then open the package. Package contents
include:
1. ..... 1
2. Main Fuses................... ......2
3. Power cord...................... ...1
4. User's Manual............... . .....1
Recommendation:
Keep all packing materials for future use.
Note:
Please make sure local voltage level is matched with the input level of the amplifier which
indicates on the rear panel. Too low or too high voltage may cause problem and in case
you've found improper voltage please contact our company or our local agent.
TRIODE TRV-A300SER ..........
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5.TRM-INT. Remote control unit......1

2
Vacuum Tube Integrated Amplifier
Safety Precautions
Product Peatures
1. Unplug the power cord if you are not going to use the product for an extended period of
time.
2. Temperature will become higher after working in long period of time and please keep the
unit's ventilation open and install the amplifier at a well-ventilated place to avoid troubles
and fire hazard.
3. Forbidden to operate when the output is open or shorted.
4. Do not attempt to service this product yourself. Opening the cover may expose you to
dangerous voltage or other hazards.
5. We are not responsible for any problems caused by checking and opening without
permission of our company. For service, Please contact a qualified service technician.
6. Do not place any objects filled with liquids such as vases or some others on the top or
around.
7. Clean only with dry cloth.
8. Please move the amplifier carefully not to drop the unit or be subject to other strong
shocks.
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class A
Hand-made construction with the finest point-to-point wiring.
Specially designed toroid transformer for power supply.
Two output transformers with wide bandwidth are applied.
Two s and one are used in the preamp stage.
Two tubes are used for amplification.
Headphone output jack has been used.
Easily installed Tube cover.
EI
12AU7 12AX7
300B
One piece of is used for high voltage rectification.5AR4
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RISK OF ELECTRIC SHOCK
DO NOT OPEN
CAUTION
To reduce the risk of electric shock, do not remove the cover.
To reduce the risk of fire or electronic shock, do not expose
the unit to rain or moisture.
No user serviceable parts inside. Refer servicing to qualified
service personnel.
The exclamation point within an equilateral triangle is intended to alert the user to the
presence of important operating and maintenance (servicing) instructions in the
literature accompanying the appliance.
The lightning flash with arrow head symbol, within an equilateral triangle, is intended
to alert users to the presence of uninsulated “dangerous voltage” within the product
that may be of a risk shock to persons.

3
Vacuum Tube Integrated Amplifier
Warranty
1. This product is warranted for a period of twelve months beginning from the date of
purchase.
2. The defective product must be returned to your dealer or our company for repairing when
your dealer or our company accepts your requirement.
3. The warranty doesn't extend to any product that has been opened by you without
permission of our company.
Note: The information in this manual is subject to changes without notice.
Precautions
Connect to
AC Input
Connect to
AC Input
YALIDA YN-401
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Connection of the power cord.
Connect the speaker cables and signal cables first and then insert the power cord into the
power socket.
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Note: Connect the speaker cables and signal cables first and then insert the power
cord into the power socket.
Note
Warning
：
：
1. It is normal that power transformer becomes hot for extended period of operation.
2. Please unplug the power cord if you're not going to use the product for an extended
period of time.
Please make sure corresponding voltage is the same as required. We are not
responsible for damage caused by misuse of unsuitable voltage.

4
Vacuum T Integratedube Amplifier
Front Panel:
①
②
③
Power
Indicator
Switch the amplifier:
Switch on;
Switch off.
Note:Unplug the power cord if you are not going to
use the product for an extended period of time.
ON/OFF
ON
OFF
“”：
“”：
Power Switch
/（）
ON OFF
Name Marks Description
Indicating the operation mode. If switched on the
will keep lighting.
LED
Headphone
Socket Helping you enjoy the high-qualified music alone.
No.
134 5 6 7
2
④
⑤
⑥
⑦
Signal Inputs Used for source input(CD, AUX1,AUX2).
Volume Switch
Remote Sensor
Window
Input Selector
POWER
PHONES
INPUTS
VOLUME
INPTU SELECTOR
Receiving the remote signal.
Controlling the mail volume
Selecting the input signals.
.
12AU712AX712AU7
!""#!""#
5AR4

5
Vacuum Tube Integrated Amplifier
No.
300B
12AU7
12AX7
Overview From The Top:
Name Sign Description
Power Tube 300B Power Tube
Twin-Triode 12AU7 Drive Tube
Twin-Triode 12AX7 Voltage Amplification Tube
1
2
3
5AR4
4
1 2 34
Rectifier Tube 5AR4
5
5NFB Switch NFB SWITCH(ON/OFF)
5AR4 Rectifier Tube
If Switch positions at the operation state is
-3dB while if positions at the operattion state is 0dB.
NFB ON NFB
OFF

6
Vacuum Tube Integrated Amplifier
Rear Panel:
No.
①
②
③
④
⑤
INPUTS
RIGHT SPEAKER OUTPUTS
LEFT SPEAKER OUTPUTS
Name Marks Description
Signal Inputs Used for source input(PHONO, LINE1,
LINE2,LINE3).
Right Channel Output Used to connect with the right
channel of the speakers.
Left Channel Output Used to connect with the left
channel of the speakers.
Power Socket With
Main Fuse
Main fuse is located on the rear of the
amplifier just below the power cord
socket. Replace with the same type
and value of fuses.
1 3 4 5 6
Used for source output
REC OUT
Recorder Output
2
⑥
Ground Used to connect with the ground
.
.

Vacuum T Integratedube Amplifier
Remote Control Unit:
7
About the keys
1. “MUTE”: Mute button
2. “VOL+”: Increase the main volume
3. “VOL-”: Decrease the main volume
1 Handle the remote control unit face downwards and screw open the rear cover with the
2 Pull out the battery case carefully (do not break the wire connected).
3 Put in the two "AAA"(R03) batteries with correct polarity.
4 Push in the battery case and screw close the rear cover.
How to install the batteries
attached hexagon screwdriver.

Vacuum Tube Integrated Amplifier
8
Installation:

9
Vacuum Tube Integrated Amplifier
Audio Equipment Connection
Connection method of TRIODE TRV-A300SER with other audio equipments, take
pictures below for your reference:
Suggestions:
1. During installation please always refer to other products' operation
manuals.
2. Please do not insert the power cord into the main socket only if all other
instruments are well connected.
3. R refers to right channel while L represents left channel.
4. Please take the right guidance for connection as wrong connection may
cause noise or low grade function.
5. Do not fasten signal cables together with other cables just like the power
cables to avoid disturbance. Correct
Incorrect

Vacuum Tube Integrated Amplifier
10
Speaker Connection
Banana plug Normal plugNormal plug
speaker left（）speaker left（）
speaker right（）speaker right（）
black
red
black
red
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Check the impedance of your speakers. Attach the positive from your speaker to the 6 or
8 ohm terminals and the negative to the 0 ohm terminals separately.
If your speakers are 4 ohm it
would cause damage to the amplifier. You can attach them to the 6 ohm terminals.not
6 ohm or 8 ohm impedance speakers are preferential.
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How to connect the speaker cables:
1. Unscrew the terminal knobs,
2. Insert the speaker cables,
3. Screw the terminal knobs.
Note:
Connect the speaker cables with the amplifier after it is well connected with the speakers.
Please notice the right direction indication of the cable and do not mix up the positive and the
negative end.

11
Vacuum Tube Integrated Amplifier
Turning On
Before turning on the amplifier please make sure all connections are right and power supply
is stable.
1. Turn on the amplifier and the power LED will be on. It shines and indicates that the
amplifier is working.
2. In 30 seconds the power LED will keep lighting up. It means the amplifier functions very
well. Or if the LED is not on please contact with our local agent or our company.
3. Select the right sound source, adjust the volume to a certain position and then you can
enjoy the music you prefer.
Note:
1. Forbidden to insert or pull out the signal cable and speaker cables during operation, in
case that it will do damage to the machine or other equipments.
2. Switch on the amplifier once again in at least two minutes if the unit has been shut down
, in case that it will do damage to the vacuum tubes.

Vacuum Tube Integrated Amplifier
12
Specifications
Power Output
THD
S/N Ratio
Input Sensitivity
Input Impedance
Output
Impedance
Voltage
Dimension
Tube
Net Weight
Power Consumption
Max
Working Condition
Storage Condition
～（）15Hz 35kHz -3 dB
.05%
83 dB
320 mV :2.5mV
PHONO
100 ΩK
，68ΩΩ
（）342 320 200 mm3 XX
、、12AX7 1 12AU7 2 5AR4 1XXXX、300B 2
15kg
120W
Temperature: 0 40
Moisture: 20% 80%
℃～
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℃
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Temperature: -20 70
Moisture: 20% 90%
℃℃
Specification
Frequency
Response
Item
:47KPHONO Ω
8W+8W

13
Vacuum Tube Integrated Amplifier
Troubleshooting
Problem Cause Remedy
NO OUTPUT
Power is .LED OFF
Power is .LED ON
Sound Distortion
Noise output
Sound field Positioning
is not so good.
Power cord is not well-connected.
Main fuse is out.
Troubles of inner parts or components.
Volume is at .ZERO
NO signal input.
High input signal level.
Ground of input signal cable is open
or bad contact of the input signal
cable.
Components or circuits are in trouble.
Signal input cables or speaker
cables are wrongly connected.
Check power cable connection
or power outlet connection
Replace with the same type
and value fuse.
Please contact with local
agents or our company.
Turn up the Volume.
Check the function of the
sound source.
Check the input selection and
switch to the proper input.
Turn down the volume to
suitable position.
Replace the input signal
cable with a new one.
Please contact with local
agents or our company.
Reconnect it as suggested in
the manual.
Please follow the instruction in the manual in order to keep the amplifier work in its
best state. If wrongly operated and you thought that would be troubles please check
according to following tips to look for the exact reason. Sometimes problems would be
caused by the other related products and please have a check too on those connections.
Even doing so, if the problem still exists please contact with your local agent or our
company.
The function of the
remote control unit
is not sensitive.
Something disturbs in the
surroundings. For example,
strong fluorescent lamp.
The batteries have notenough power.
There are obstacles between the
remote control unit and the player.
Leave the disturbing source.
Change the batteries.
Remove the obstacles.