Cayin 9084D MK2 Bedienungsanleitung

User's Manual

POWER

9084D MK2

MONO BLOCK POWER AMPLIFIER OFF

MONO BLOCK POWER AMPLIFIER

9084DMK2

Thanks for choosing CAYIN 9084D MK2 and please read the user's manual

carefully before installation and operation.

Mono Block Power Amplifier

Table of Contents

Table of Contents………………………………………………………………………………… 1

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………………………………………………………………………………………………………………4

Maintenance…………………………………………………………………………………………………………………5

……………………………………………………………………………………………………………5

…………………………………………………………………………………………………………………6

…………………………………………………………………………………………………………………7

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…………………………………………………………………………………………………………11

…………………………………………………………………………………………………………………12

Small Tips …………………………………………………………………………………………………………………12

…………………………………………………………………………………………………………13

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Package Contents

Product Features

Safety Precautions

Specifications

Warranty Service

Precautions

Front Panel

Rear Panel

Top Panel

Installation

Tube Replacement

Audio Connection

Turning on

Troubleshooting

Please carefully check the package first and then open it.

Package contents include:

1. CAYIN 9084D MK2 1 piece；

2. Main Fuse 2 pieces；

3. Power cord 1 piece；

4. User's Manual 1 piece；

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. Please contact our company or our local agent if

you've found improper voltage.

Recommendation:

Keep all packing materials for future use .

CAYIN 9084D MK2 Mono Block Power Amplifier

reaching the best results. We are not responsible for problems and damages caused by non-original parts

replacement in the amplifier.

is designed and manufactured with our original parts and

NOTE:

Package Contents

All other parts except above are not included.

NOTE:

1. Unplug the power cord if you are not going to use the product for an extended period of time.

2. The machine will become hot after working for a long time. 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.

Product Features

Safety precautions

◆ Hand-made construction with the finest point-to-point wiring.

◆ External user Bias Adjustment is accessible with the BIAS meter for monitoring on the top of the amplier.

◆ External 845 HUM balance adjustment is accessible.

◆ Soft start function (about 30 seconds).

◆ Thickly silver-plated signal cable has been used.

◆ Equipped with easily-installed tube cover for protection.

◆EI output transformer with wide bandwidth are applied.

◆Specially designed toroid transformer for power supply.

◆TUNG-SOL 6SL7 and 6SN7GTB has been used for voltage amplification.

◆Full music 300B together with Shuguang 845 vacuum tube has been used for Single-end

Class A amplification.

◆Input stage has taken America rectifier RCA 22DE4 for voltage regulation.

Specifications

◆ To reduce the risk of electric shock, do not remove the cover.

◆ No user serviceable parts inside. Refer servicing to qualified

service personnel.

◆ To reduce the risk of fire or electronic shock, do not expose

the unit to rain or moisture.

The lightning flash with arrowhead symbol is intended to alert user to the presence of uninsulated

“dangerous voltage” within the product's enclosure that may be of a risk shock to persons.

The exclamation point is intended to alert user to the presence of important operation and maintenance

(servicing) instructions accompanying the appliance.

【】

【Frequency Response】

【THD】

【S/N Ratio】

【Input Sensitivity 】

【Input Impedance】

【Output Impedance】

【Max Power Consumption】

【Tube】

【WDH】

【Net Weight】

【Working Condition 】

【Storage Condition】

Power Output

28W＋28W(8Ω RMS)

15Hz～33KHz(-3dB)

%（1KHz）

85dB

1000mV

100KΩ

4Ω，8Ω，16Ω

6SL7×1、6SN7×1、300B×1、845×1、22DE4×1

Temperature °C °C Moisture

200W

286×482×239mm³

32.5kg

0 ~40 20%~80%

-20 ~70 20%~90%

RISK OF ELECTRIC SHOCK

CAUTION

DO NOT OPEN

Warranty Service

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:

◆

Use the soft dry cloth to clean up the chassis regularly.

Do not use any chemicals for cleaning.

Maintenance

The information in this manual is subject to change

without further notice.

NOTE:

POWER

9084D MK2

MONO BLOCK POWER AMPLIFIER OFF

Precautions

◆ Connect the power only after finishing other connections.

◆

It is normal that power transformer becomes hot for extended period of operation.

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.

Connected to AC Input

NOTE:

Connected to the power socket

Connection of power cord:

Connect the speaker cables and signal cable first

and then insert the power cord into the power socket.

SPEAKER OUTPUT INPUT

MONO BLOCK POWER AMPLIFIER

RISK OF ELECTRIC SHOCK

CAUTION

DO NOT OPEN

9084DMK2

ZHUHAI SPARK ELECTRONIC EQUIPMENT CO.,LTD.

AC INPUT

230V 50Hz 200W

T2AL250V

YALIDA

YN-401

Front Panel

Used to monitor the working current of the power tube.

②.Power Switch：

Used to switch on/off the amplifier.

③.

When starting up, the indicator light.

①Bias Meter

Power indicator

321

POWER

9084D MK2

MONO BLOCK POWER AMPLIFIER OFF

Diagram (一)2

Bias meter during working

Note: When working normally,

the pointer should stay within

the A zone, still , it would move

for the voltage fluctuation.

Diagram (一)1

Bias meter when not working

Diagram 一

Rear Panel

①

②

③

.Power Socket with Main Fuse

Main fuse is located just below the power socket.

Replace the fuse with the same type as indicated.

. Channel Output

Used to connect with the right channel of speaker.

.Signal Input Terminal

Used for audio source input.

SPEAKER OUTPUT INPUT

MONO BLOCK POWER AMPLIFIER

RISK OF ELECTRIC SHOCK

CAUTION

DO NOT OPEN

9084DMK2

ZHUHAI SPARK ELECTRONIC EQUIPMENT CO.,LTD.

AC INPUT

230V 50Hz 200W

T2AL250V

12 3

Diagram 二

Top Panel

NOTE

◆ Be careful of the high temperature of the tubes during operation.

◆ Please replace the power tubes after switch off in 20 minutes, and follow the suggetion to unplug the

inset the tubes.

◆ Power tubes must be matched for well function.

◆ Forbidden to make the pointer of the bias meter out of the A zone when adjusting the power tube.

◆ Make sure the supply voltage is 230V before bias adjustment.

◆ Even under normal working state, the point of the bias meter could move for the voltage fluctuation.

① (845)

②Bias Adjustment (845)

Used to adjust bias of corresponding

power tube(845)

Bias Selector Switch(845)

Used to select corresponding tube for

bias adjustment.

.HUM Balance

.V1:6SL7 .A1:845

. . DE

③

④ ⑤

⑥V2:6SN7 ⑦V4:22 4

⑧V3:300B

86 74 52 3

BIAS ADJ.

845

HUM BAL.

BIAS SEL.

V3 300B

V2 6SN7

V1 6SL7

V4 22DE4

A1 845

How to adjust the 845 HUM:

Turn the volume knob to the minimum or mute,

adjusting the HUM BALANCE with the flat

screwdriver, until you hear the smallest HUM.

The same for adjusting the other channel.

Mount and dismount the 845 vacuum tube:

Clockwise rotation for mounting, and

counterclockwise rotation for dismounting.

Mount and dismount the 300B vacuum tube:

The thick pin is for the large hole on the tube

socket, and the thin pin is for the small hole on

the tube socket. And please insert and extract

vertically.

Diagram 三

Bias adjustment for the power tube:

Turn the Bias Selector Switch to its opposite

direction without releasing it, adjust the

corresponding Bias Adjustment Switch with

flat screwdriver, and inspect the Bias Meter

on the top panel to make sure the pointer

keeps in the center.

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