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Authorized Technical Service Only


CAUTION /
These servicing instructions are for use by qualified personnel only. To reduce the risk of electric shock do not perform any servicing other than that contained in the operating instructions unless you are qualified to do so. Refer all servicing to qualified service personnel.


Attention mark indicating critical components for safety. Replacement must be made with identical parts of special part number.

EXPLANATION OF SURFACE PARTS
Front Glass (172-0149-13)

Heat Sink (240-0093-00)

Handle B B (132-0100-03) Spacer (250-1219-03) Knob / METER (380-1501-04) Meter Switch Assembly Ass'y (716-0801-00) Push-button /POWER (388-5061-13) Power Push Switch (354-1025-00) Push-button / INPUT (388-5067-03) Gain Switch Assembly Ass'y (716-0796-00) Handle A A (132-0136-13) Knob / GAIN (380-1501-04) Gain Switch Assembly Ass'y (716-0796-00)

Heat Sink (240-0093-00)

Top Plate Assembly Ass'y (150-0092-02A) Punching Metal (170-0076-02)

Meter (178-2042-00) Front Panel Assembly Ass'y (130-0199-01)

Handle B B (132-0100-03) Spacer (250-1219-03)

Handle A A (132-0136-13) Foot (238-0023-00) Bottom Plate (155-0095-12)

Sub Panel (134-0166-02)

mark parts not supplied



7

Meter/ (178-2042-00)

8

1

3

3

6 2
1. 2. 3.

4

5
1pce. 1pce. 2pcs. 1pce. 1pce. 1pce. 1pce. 1pce.

6
5. 6. 7. 7-1 8. 8-1 8-2 Push-button=388-5067-03 /INPUT Knob=380-1501-04 /GAIN,METER Front Glass=172-0149-13 Glass Fixed Bracket=247-1153-13 Panel neme Plate=180-1106-02 Acrylic=172-0150-03 Indicator=173-9097-03 1pce. 2pcs. 1pce. 1pce. 1pce. 1pce. 1pce.

Front Panel Assembly Ass'y (130-0199-01)

4. 4-1. 4-2. 4-3. 4-4.

Front Panel=131-0199-01 Sub-panel=134-0166-02 Handle A=132-0136-13 A Push-button=388-5061-13 /POWER Push-button Frame=113-0122-04 Coil Spring=285-1022-04 Washer=637-0043-04 E-ring=647-1055-00 E-

SP Terminal(Black) SP Terminal(Red) () () (313-1022-12) (313-1023-12) Rear Panel (135-0194-02) Pin Jack/ (302-0112-00) Pin Jack Cover /2pcs. (254-2015-04) XLR (Cannon) Jack Receptacle (302-8006-00) Connector Cover/Female (254-2026-04) Foot/ (238-0023-00) Binding Serew /4×14 (611-0414-02)

Cap /
A cap is only used for SP terminal of European Model.

Foot / (238-0026-02) Binding Serew /4×14 (611-0414-02) 4pcs.

XLR (Cannon) Plug Receptacle (301-8005-00) Connector Cover/Male (254-2027-04)

Knob/ (384-2001-04)

AC Inlet/AC (301-3304-00) Power Supply Cord J type:680-1404-20 U type:680-2402-00 E type:680-3402-00

mark parts not supplied

Output Assembly Ass'y (716-0802-00)

Input Assembly Ass'y (716-0797-00)

Heat Sink (240-0093-00)

Heat Sink (240-0093-00)

Power Amp Assembly Ass'y (717-0093-00)

Electrolytic Capacitor C002,003:48,000F/100V (CE331WG2A483CST)

Power Transformer (510-2062-00) Name Plate (180-3059-04) Power Amp Assembly Ass'y (717-0093-00) Lamp Assembly Ass'y (723-0145-00) Lamp:PL1,2,3 (176-4501-10)

Protection Assembly Ass'y (720-0081-10)

LED Assembly (723-0144-00) LED for Logo:D3,4 LED (SDPW3DG0B0-J)

Inrush Protector Assembly Ass'y D,U,T type(716-0799-01) E,K type (716-0799-03) Fuse/ T15A L AC250V/100 120V (310-9910-00) T6.3A L AC250V/220230V (310-1602-00)

Diode(A) Assembly (A) Ass'y (716-0794-00) Diode/:D1 (S15VB20)

MPP Capacitor MPP C001: 0.047uF/250V (CF99MF2E473MR46)

Handle B/ (132-0100-03) Spacer/ (250-1219-03)

Diode(B) Assembly (B) Ass'y (716-0795-00) Diode/:D4 (D25XB60)

Power Push Switch (354-1025-00) Attention mark indicating critical components for safety. Replacement must be made with identical parts of special part number.




Lamp Assembly Ass'y (723-0145-00) Lamp:PL1,2,3 (176-4501-10)

Meter (178-2042-00)

LED Assembly (723-0144-00) LED for Logo:D3,4 LED (SDPW3DG0B0-J)

Foot (238-0023-00) Binding Serew/ /4×14 (611-0414-02)

Power Push Switch (354-1025-00) Rink (251-9021-04)

Indicator (173-9097-03) Panel Name Plate (180-1106-02) Hexa Bolt (631-0011-10) 4pcs. Acrylic (172-0150-03) Front Glass (172-0149-13)

Gain Switch Assembly Ass'y (716-0796-00)

Push Button for POWER (388-5061-13)

Meter Switch Assembly Ass'y (716-0801-00)

Attention mark indicating critical components for safety. Replacement must be made with identical parts of special part number.




MISCELLANEOUS(
NO Description( ) PC Board for Input Assembly Inrush Proterction Ass'y Protection Assembly Output Assembly Power Amp Assembly D3,4 PL1,2,3 S001 RELAY13 F1 LED forLogo LED Meter Lamp Power Switch/ Output Relay Fuse T15A L AC250V T6.3A L AC250V Electrolytic Capacitor MPP Capacitor MPP Diode Top Carton Box Inner Sub- Carton Bottom Carton Box Top Pad / Top Pad / Center Pad / Bottom Pad / Bottom Pad / Joint / Cover Accessories Case Wrapping Sheet/ Bag for AC Cord Poly Bag Cord Band Parts No.( No.) Remarks( ) 115-1836-10 115-1838-00 115-1843-10 115-1844-00 115-1845-00 SDPW3DG0B0-J 176-4501-10 LED Ass'y Lamp Ass'y Handle / Hexa hole Bolt/ 631-0019-00 354-1025-00 362-2230-00 Output Ass'y Top Plate / Star-hole Bolt Bottom Plate / Binding Neil Screw B Foot for Bottom side / Binding Screw/B Foot for Rear side/ Binding Screw/B Power Transformer/ Pan Head Screw With Spring 631-0048-00 M5×15 7pcs. M4×4 8pcs. NO. Description( ) Parts No.( No.) Remarks( ) 613-0412-01 4×12mm 6pcs. Screws for Front Panel / Flat Head /B

Handle / Hexa Hole bolt/ 631-0011-10 Power Amp Assembly Ass'y Hexa Hole bolt/ 631-0011-10

M5×12

4pcs.

M5×12

12pcs.

310-9910-00 310-1602-00 CE331WG2A483CST

for 100-120V for 220-240V 48,000uF/100V

631-0054-00

3×10mm

11pcs.

C002,3

611-0414-02 611-0414-02

4×14mm 4×14mm

4pcs. 4pcs.

C001 D1 D4 Packing Material

CF99MF2E473MR46

0.047uF/250V

S15VB20 D25XB60 800-0286-04 801-0276-00 801-0277-00

Diode(A) Ass'y Diode(B) Ass'y

60C-0614-02

4pcs.

Owner's Manual ( ) Caution Notes Front() Rear () Front() Rear () 6pcs.
Accessories Power Supply Cord (J type)

820-2249-00 820-0249-00 821-0011-00 821-0010-00 680-1404-20 680-2402-00 680-3402-00 254-2015-04 254-2026-04 254-2027-04

English Japanese English Japanese 2-conductor 2-conductor 3-conductor 2pcs. 1pce. 1pce.

803-0415-00 803-0416-00 803-0414-00 803-0417-00 803-0418-00 249-0045-00 810-4650-04





(U type) (E type)

Pin Jack Cover / Connector Cover for female Connector Cover for Male

801-0247-20 810-4545-04 810-2030-04 812-2435-04 280-0043-00

AC for AC Cord

About Voltage Change /
The voltage of a product is used according to the safe method of the area. It is set only to 100V in Japan. When voltage change is required, the accepted specialist carries out according to directions of our company. Therefore, it waits for directions of our company. 100V100V



Diode(A) Assembly (716-0794-00) (A)Ass'y
R1
PC Board PC Connector Ass'y Ass'y K1 K2 R1 D1 115-1833-00 309-5167-04 309-5166-04 RS143DA100JS S15VB20 10 2W

K2 D1 K1

Oxide Metal Film Resistor Diode

Diode(B) Assembly (716-0795-00) (B)Ass'y
C2 D3 Q2 Q1 Q3 Q4 K6 C6
Transistor Q1 Q2 Q3 Q4 D1,6,9,10 D2,5,7,8 D3 D4 D11,12,13,14 C1,7 C2,6 C3,4 C5 R1,12 R3,10 R4,9 R5,8 R6,7 2SC4793 2SA1145-Y 2SC2705-Y 2SA1837 HZ332L 1SR139-400 LN1VB60 D25XB60 MA165

C1

C7

Zndar Diode Diode

K5 C5 C4 C3 K1
PC Board PC Connector Plug Tabu Tarminal K5 K6 K8,10,11

D4

Electrolytic Capacitor 115-1834-00 308-0807-00 308-0212-00 314-0536-00 Fuse Resistpor MPP Capacitor MPP Carbon Film Resistor

CE04W2A220LXVE 22uF / 100V CE692WG2A102M14 1000uF/100V CF99MF2E103MR46 0.01uF/250V CF99MF2E104MR46 0.1uF /250V RD142HA333JFS RD142EA753JFS RD142EA101JFS RD142EA301JFS RF142EAR10J 33k 75k 100 300 0.1 1/2W 1/4W 1/4W 1/4W 1/4W

.1 Gain Switch Assembly (716-0796-00) Ass'y Connector Ass'y K3,4 Ass'y(309-2295-04) Rotary Switch Push Switch S1 S2 D1 9 C1 R1,2,3 336-4010-10 354-1116-00 MA165 CK92Y5V1H104Z RD142EA332JFS 0.1uF / 50V 3.3k 1/4W

S1 K1
PC Board PC (115-1835-00 Connector Plug

S2 K2
PC Board PC(115-1837-00 K1 K2 308-0407-00 308-0206-00

Diode Ceramic Capacitor Carbon Film Resistor

Meter Connector Assembly (716-0800-00) Ass'y
PC Board PC 115-1840-00 K1 308-0214-00

K1

Connector Plug

Meter Switch Assembly (716-0801-00) Ass'y
PC Board PC

115-1842-00 K1 S1 308-0606-00 336-4010-10

S1 K1

Connector Plug Rotary Switch



Input Assembly (716-0797-00)

S1 IC4

JK1 IC5

JK2

Zener Diode Diode IC

D1.2 D3,6 D4,7 D5,8 IC2 IC4 IC5 C1,2 C17,25 C18,19 C3 C811 C22,27,28

HZ9A2L 11EQS10 1SR139-400 MA165 NJM4580D-D UPC78N18H UPC79N18H CE04W1H100VPE CE04W1E390LXVE CE04W2A220LXVE CF922N1H223JMMTF CQ921MQ1H104KF2D CF922N1H334JMMTF 10uF / 50V 39uF / 25V 22uF / 100V 0.022uF/50V 0.1uF /50V 0.33uF /50V

K2

RELAY3 RELAY5 K4 IC3 RELAY1 IC1 K3

Elctrolytic Capacitor Polyester Capacitor

IC2 RELAY2 RELAY4

Polypropylen Capacitor C23,24 Audio Connector Plug Audio Connector Jack Connector Plug JK1 JK2 K1 K3 K4 IC Protector IC Rotary Switch Relay F1,2 S1 RELAY15 301-8005-00 302-8006-00 308-1027-00 308-0526-00 308-0805-00 310-8102-00 336-2005-00 362-2234-00 Cermic Capacitor C4,5,15,16 C6,7,12,14,20,26

CQ921PG2A222JDTNF 2200pF/100V CC92CH1H331JFK28 CK92Y5V1H104Z 330pF / 50V 0.1uF / 50V 33k 3.3k 270k 2.21k 4.42k 332 1k 46.4k 649 412 470 1.27k 82k 1/4W 1/4W 1/6W 1/4W 1/4W 1/4W 1/6W 1/6W 1/6W 1/6W 1/6W 1/6W 1/6W

Carbon Film Resistor Metal Film Resistor

R9,12 RD142EA333JFS R13,35 RD142EA332JFS R24,25,30,31,34 RD142CA274J R1,2 R3,4 R5,6,7,8 R10,11,16,19 R14,15.17,18 R20,21 R22,23 R26,27 R28,29 R32,33 RN142HK2211FF RN142HK4421FF RN142HK3320FF RN142CK1001F RN142CK4642F RN142CK6490F RN142CK4120F RN142CK4700F RN142CK1271F RN142CK8202F

ln-rush Protector Assembly (716-0799-01) for D/U Model <716-0799-03 for Etype Model>
RELAY1 K4 R4 R5 D1 R7 K5 R6
R3

K2 K1 R1 J1 J2 K3 FH2 FH1 J3

Fuse Holdar Tabu Tarminal Relay Elctrolytic Capacitor Fuse Resistor Metal Plate Resistor Diode

FH1,2 K1 K2,3,4,5 RELAY1 C1 R2 R3,6 R1,4,5,7 D1

306-2001-00 314-0530-00 314-0536-00 362-4102-00 CE04W1V101VK RF142EAR47J RF993HG2R2J RW994AJ3R3J-S S1VB60 100uF / 35V 0.47 1/4W 2.2 5W 3.3 10W

Jumper Setting/

VOLTAGE
100-120V 230V

Ass'y NO
716-0799-01 716-0799-03

J1

J2

J3



Output Assembly (716-0802-00)
D2 RELAY3 Q1 IC1 D1

RELAY2 RELAY1 K9

D3
Connector Plug Tarminal Relay Choke Coil Diode K8 K9 K1,7 RELAY1,2,3 L1 D1,2,3 308-0513-00 308-0224-00 314-0523-04 362-2230-00 506-0012-00 1SR139-400

C2
Transistor IC

C4

K8
Q1 IC1 C2,4 2SC1627-Y PC817-B/C CQ922N2A473JAPHF 0.47uF/100V

Polypropylene Capacitor Carbon Film Resistor Oxide Metal Film Resistor

R3 R6,7 R1 R2 R4,5

RD142HA203JFS RD142EA223JFS RS143FA100JS-P RS143AA122JS-P RS143FA200JS-P

20k 1/2W 22k 1/2W 10 3W 1.2k 1W 20 3W

LED Assembly (723-0144-00)
D3 D4

K1

D1

D2
115-1839-00

Light Holder (234-1112-03) LED

D5

D6

PC Board PC Connectro Plug K1

D1,2,5,6 D3,4 D1,2,5,6 D3,4

SEL2610C SDPW3DG0B0-J 250-1119-00 250-0061-00

308-0708-00

LED Spacer LED

Lamp Assembly (723-0145-00)

PL1

PL2

PL3

PC Borad PC Pilot Lamp PL1,2,3 K1

115-1841-00 176-4501-10 308-0209-00

K1

Connector Plug



Power Amp Assembly (717-0093-00)

VR2 TP2 Q2

Q12 R14

Q18 R31

Q26 Q27 Q31

Q33

Q35

Q39

Q41

R49 R90 R85 R60 Q29 R66 R73 C20 Q25 Q37 C26

Connector Assembly Ass'y K37 (309-2681-04)

Q16 Q14 Q6 Q4 K1 Q3 Q5 Q13 Q15 K2

C28 C32

Q43 K8

C31 Q42 C27

Q24 R3 VR1 TP1 Q1 R24 Q9 R38 R50 Q17

C19 Q36 C25 R80 R88 R70 Q28 R63 Q32 Q34 Q38 Q40

Q23 TS1 Q30

VCPCap VCP Heat Sink Transistor Insulator Connector Plug K1 K2 K8 TP1,2 VR1,2 D2,3,6,7 D10,11,16,19 D4,5,8,9 D14,15 D17,18

254-1112-00 240-0093-00 250-1323-14 308-0616-00 308-0416-00 308-0411-00 308-0221-00 583-0527-00 HZ153L HZ6C2L MA165 MA167 1SS83 2SJ618 2SK3497 2SC2705-Y 2SA1145-Y 2SA1376A-K 2SC3478A-K 2SC3902-S/T 2SA1507-S/T 2SC3421-Y 2SA817-Y 2SC1627-Y 2SA1837 2SC4793 369-0034-00 CE04W2A330RE3E CE04W2D220PBE CE04W2A331KMG 33uF /100V 22uF /200V 330uF/100V

PPS Capacitor

C5,6,9,10

CQ922M1H472JAHSF C13,14 C23,24 C15.16,17 C18 C33,34

4700pF/50V 0.047uF/100V 5600pF /100V 0.1uF / 250V 0.022uF /50V 151pF / 500V 100 1/4W

Polypropylen Capacitor MP Capacitor Polyester Capacitor Ceramic Caacitor Cabon Film Resistor

CQ922N2A473JAPHF CQ922N2A562JAPSF CF922MG2E104KMMX CF922N1H223JMMTF CC92CH2H151J RD142EA101JFS RD142EA272JFS RD142CA621J RD142EA331JFS RD142EA102JFS RD142EA182JFS RD142EA220JFS RD142EA683JFS RD142HA563JFS RD142EA6R8JF RD142EA152JFS RD142EA121JFS RF142EA101G-J RN142HK4121FF

Potentiometer Zener Diode Diode FET Tarnsistor

Q1,9,17,23,30,32,34,38 Q2,12,18,26,31,33,35,39 Q3,5,13,15 Q4,6,14,16 Q7,11,19,22 Q8,10,20,21 Q24,28 Q25,29 Q27 Q36 Q37 Q40,42 Q41,43 TS1 C3,4,7,8 C19,20,31,32 C25,26,27,28

R1,22,39,55,62,93 95,96,97 R2,15,18,32,35,48,51,58 65,68,69,76,77,86,87,92 R6,7,25,26 R8,11,27,28,40,45,52,57 64,67,71,72,81,82,89,91 R9,10,33,34 R12,13,36,37 R16,17,21,23,41,42,46,47 R19,20,43,44 R54 R56 R61 R78,79 R4,5,29,30 R53

2.7k 1/4W 620 330 1k 1.8k 22 68k 56k 6.8 1.5k 120 100 1/6W 1/4W 1/4W 1/4W 1/4W 1/4W 1/2W 1/4W 1/4W 1/4W 1/4W

Fuse Resistor

Matal Film Resisytor

4.12k 1/2W 20 3W 8.2k 2W 68 2W 0.47 2W

Oxide Metal Film R59 Resistor R83,84 R94 Metal Plate Resistor R3,14,24,31,38,49,50,60 63,66,70,73,80,85,88,90

RS143FA200JS-P RS143DA822JS-P RS143DA680JS-P RW993DJR47K-H

Thermal Switch Electrolytic Capacitor



Protection Assembly (720-0081-10)

X1 IC2 IC3 K5 VR1

IC4 IC7 Q4 RELAY1 RELAY2 Q6 X2 K6 X4

K4 K3 K2 K1 IC1

K7 K9 K8 C34 C33 IC5 C2 Q1 Q3 Q2 IC6 IC8 Q5 X3 D18

Heat Sink Connector Plug K1 K2,6 K3 K4,7 K5 K8 K9 RELAY1,2 VR1 Q1 Q2,6 Q3 Q4,5 D1,8,11,16,17,19,20 D2,3,5,6 D7,12,13,14,15 D18 D4 D9 IC1 IC2 IC3 IC4 IC5 IC6 IC7 IC8 X1 X2,3,4

240-1068-04 308-0407-00 308-0508-00 308-0905-00 308-0616-00 308-0606-00 308-0308-00 308-1010-00 362-2232-00 583-0537-00 2SA1837 2SA1048-GR 2SC4793 2SC2458-GR MA165 MA2C700A MA167 S1VB60 HZ242L HZ6A1L UPC78N05H UPC1237C-A 426-0040-10 TC74HC132AF/EL TC74VHC4040F PIC16F630-I/P PC817-B/C S-80845CLY RN2223 RN1202 0.1uF/50V

Electrolytic Capacitor

C2 C3,30 C4,7,9,13,18,29 C5 C6,32 C10 C24 C26 C33,34 C17

CE04W1E102VK CE04W1V101VX CE04W1H100VK CE04W1A221VK CE04W1H4R7VK CE04W1H010VK CE04W1V471VRE CE04W1H220VK CE04W1H102RSE

1,000uF/ 25V 100uF / 35V 10uF / 50V 220uF/ 10V 4.7uF/ 50V 1uF / 50V 470uF /35V 22uF / 50V 1000uF/50V

Relay Potentiometer Tarnsistors

PPS Capacitor PPS

CQ921HB1H104JH2D 0.1uF /50V CQ922N2A102JAPSF RF142EAR10J RD142CA681J RD142CA913J RD142CA104J RD142CA122J RD142CA101J RD142CA221J RD142EA101JFS RD142CA473J RD142EA472JFS RD142EA751JFS RD142CA472J RD142CA622J RD142CA103J RD142EA102JFS RD142CA563J RD142CA123J RD142CA102J RD142CA562J RD142CA471J RD142CA332J RD142CA474J RD142CA224J RD142CA270J RS143AA151JS-P RS143DA150JS-P 1,000pF/100V 10 1/4W

Polypropylene Capacitor C14,15 Fuse Resistor Carbon Resistor R51 54

Diode

Zener Diode IC

Digital Tarnsistor Ceramic Capacitor Polyester Film Capacitor

R1,2,3,4 R5 R6,34,55,56 R7 R8,20 R9 R10 R11,12,13,22,46 R14,16 R15,24 R17,18,30 R19 R23,25,26,38,39 R27 R29,32,37 R33,35,45 R36,50 R41 R42 R43 R44,48 R47 R49 R40 R57

680 1/6W 91k 1/6W 100k1/6W 1.2k 1/6W 100 1/6W 220 1/6W 100 1/4W 47k 1/6W 4.7k1/4W 750 1/4W 4.7k 1/6W 6.2k1/6W 10k 1/6W 1k 1/4W 56k 1/6W 12k 1/6W 1k 1/6W 5.6k1/6W 470 1/6W 33k 1/6W 470k1/6W 220k1/6W 27 1/6W 150 1W 15 2W

C1,11,12,19,20 CK92Y5V1H104Z 20 23,25,27,28 C8 C31,35 CF922N1H223JMMTF CF922N1H334JMMTF

Oxide Metal Film Resistor

0.022uF /50V 0.33uF /50V



Notes

1. Internal input resistance of volt-ohm meter should be higher than 10k-ohms. 10k 2. Adjustments should be made in case of the PC Board or Transistors being changed. PC 3. After feeding 1 10 watts output for about 15 minutes, check bias adjustment again. 110

STEP

ADJUST ITEM

PROCEDURE
TEST EQ'PT CONNECTING POINT

ADJUST

REMARKS

1

Bias Current of Left Side Power Amp L SIDE. Bias Current of Right Side Power Amp R SIDE.

V.O. Meter set range to less than DC 0.3V DC0.3V

Power Amp Ass'y Ass'y (717-0093-00) Test Point pin

VR1 for R Side. VR2 for L Side.

Adjust for 13mV reading of V.O. meter 13mV

2

1

VTVM Peak-0dB Calibration Input : 1kHz Speaker Terminal Sine Wave 0dB Load :None : 1kHz

VR1

Adjust input signal so that VTVM reads 34.64V.Then adjust VR1 so Meter read 0dB. VTVM34.64V 0dB VR,1

L ch. Power Amp Assembly Ass'y (717-0093-00)

R ch. Power Amp Assembly Ass'y (717-0093-00)

Test Point / TP2

Test Point / TP1

Protection Assembly Ass'y (720-0081-10)

Meter Calibration /

0dB



Sticker /3pcs. (180-9117-24)

Top Carton Box (800-0286-04)

Joint /6pcs. (249-0045-00) Wrapping Sheet (810-4545-04)

Top PadCase (801-0276-00)

Accessories Case (801-0247-20) Top Pad (R) (803-0416-00)
Poly Bag for AC cord

/ (810-2030-04)

Top Pad (F) (803-0415-00)

Center Pad (803-0414-00)

Poly Bag for Owner's Manual / (812-2435-04)

Cover (810-4650-04)

Bottom Pad (R) (803-0418-00) Bottom Pad (F) (803-0417-00)

Accessories/ Manual Caution Notes () () ( Power Supply Cord

Bottom Carton Box (801-0277-00)

See page 5/ 5





M-6000 MASTER CIRCUIT DIAGRAM
309-2584-04

JK1 JK2

2G 1G 1A 1A 1G 2G
314-1119-04

K3
1 2 3 4 5

UNBALANCED INPUT
IMPEDANCE 20kOHM INPUT 1.38V

1 2 3 4 5 6 1 2 3 4

INPUT 1

TP.2

Left side

2 1

POWER AMP Ass'y

K2
10 9 8 7 6 5 4 3 2 1
309-1081-04

(717-0093-00)
K8
1 2 3 4 2 1

INPUT 2

P16
TP.1

JK2
INPUT 1

308-0221-00

BALANCED INPUT

(716-0797-00) P15

IMPEDANCE 40kOHM INPUT 1.38V

K1

309-2681-04

JK1 1G
INPUT 2

309-2681-04

1 3 2

1 2 3 4 5 6 1 2 3 4

TP.2

Right side POWER AMP Ass'y

2 1

K4

309-2685-04 309-2682-04 GRN YEL

K2
309-0891-04

LED Ass'y

(723-0144-00)
C002
48000uF 100V 309-5199-04

P14
K1

K1 K12 K4 K8 K9 K3 K2 K7 K13
8 7 6 5 4 3 2 1

RED#14 RED#14 RED#14

DIODE(B) Ass'y

C003

K9

(716-0795-00) P14

BLK GRY#14 BLK#14 VIO#14 VIO#14 VIO#14

L SIDE 309-2686-04 R SIDE 309-2686-04

3S-L -L UNB BAL LED+ ACL+ ACL-

309-0890-04 309-6101-04

7 6 5 4 3 2 1

GND

48000uF 100V

K4

K7

1 2 3 4 5 6

6 5 4 3 2 1

1 2 3 4 5 6

K5

1 2

1 2 3 4 5

309-1082-04

1 2

K5

GND

K6

K11

K10

GRY

GRY

AC1 AC2 314-0538-00 314-0538-00

Type Ass'y No. FUSE JUMPER D,U(100,120V) 716-0799-01 T:15A J2,3 E,B(230,240V) 716-0799-03 T:6.3A J1 Remarks:Circuit shows D(AC100V)setting

309-0972-04

(720-0081-00) P17

K9

P14
LP2 LP1

-

+

INRUSH PROTECTION Ass'y

2 1

IN-RUSH PROTECTOR Ass'y
100V/120V:716-0799-01 230V/240V:716-0799-03
!

K1

K1

K3 K5
!

K6 308-0508-00
5 4 3 2 1

K2

U/B 2 GND

1

K1

P14
! K4 ! K2
309-5166-04
BRN

!

K1
309-5198-04

! Attention mark indicating critical components for safety. Replacement must be made with identical parts of specified part number.

9 8 7 6 5 4 3 2 1

M+ M- (BLK)

(BLK)

PCB:115-1837-00

!
BLU WHT

INRUSH PROTECTION Ass'y
T ype Ass'y No. FUSE JUMPER D,U(100,120V) 716-0799-01 T:15A J2,3 E,B(230,240V) 716-0799-03 T:6.3A J1 Remarks:Circuit shows D(AC100V)setting VOLTAGE SELECTION TABLE 100V 120V 1 2 (~) WHT.GRY WHT.GRY 3 YEL BRN 4 (~) BRN.RED YEL.ORG 5 ORG RED VOLTAGE SELECTION TABLE 1 2 (~) 220V BRN WHT 230/240V BRN WHT

DIODE(A) Ass'y
K2

!
5 4

BLU

(716-0794-00)

P14
301-3304-00

K1

309-5167-04

! 3
47n

T001:510-2062 ORG ORG 120V BLK RED 100V RED GRY 0V TF YEL YEL 120V BRN 100V WHT 0V TF BRN WHT BRN GRN GRY BLU

BLU GRY GRN

3AC 21V 2 0V 1
AC 21V

5 4 3 2 1

K4
1 2 1 2
309-2295-04

P14

K2
3 YEL.GRY YEL.GRY 4 (~) RED ORG 5 ORG RED

C001

AC IN
! N(W)

314-0538-00

2 1

L E N

K8

4 3 2 1

GAIN SWITCH Ass'y

(716-0796-00)
M-6000

! 1 BRN

S001

2
354-1025-00

K1

PCB:115-1835-00

K3

1 2 3 4

K3

METER CONNECTOR Ass'y / 716-0800

PROTECTION Ass'y

10 9 8 7 6 5 4 3 2 1

6 5 4 3 2 1

METER SW ITCH Ass'y

(716-0801-00)

2 1

+ -

8 7 6 5 4 3 2 1

(BLK)

K2

(717-0093-00)
K8
1 2 3 4 2 1

313-1023-12

TP.1

K3

K1

313-1022-12

P16

+ -

2 3 1 1G

INPUT Ass'y

K1

+ -

+ 6 5 4 3 2 1
GRY RED GRN VIO BLK

K1

K3

600W(34.64V)2ohm 300W(34.64V)4ohm 150W(34.64V)8ohm

6 5 4 3 2 1

GRY RED YEL VIO BLK

SPEAKER OUTPUT +

-

K3

K7

OUTPUT Ass'y

(716-0802-00)

8

P14

- 13 -

K8
309-2585-04

K6
GRY

K5
BLK

K4
WHT

LAMP Ass'y (723-0145-00)

P14
K1
178-2043-00

DIODE(B) ASS'Y (716-0795-00)
1SR139-400
MA165 D12 D11 MA165

INPUT ASS'Y (716-0797-00)
308-0526-00

D2

0.5W R12 33k

UNBALANCED INPUT

270k R31 R30 270k

R10 75k R3 75k HZ332L HZ332L HZ332L HZ332L D10 D6 D9 D1

100V 22u C1 D15XB20

R1 2.21kF 0.5W

Ass'y K8

4.42kF 0.5W

22u

C4 10n

33k

-24V

R27 470F 302-8006-00 JK2 R21 649F R23 412F 1.27kF R29

R6 0.1 R7 0.1

100V

RIGHT

MA165 D14 D13 MA165

R33 82.0kF

BALANCED INPUT

Ass'y K8

362-2234-00 RELAY3

LEFT

330n

330n

362-2234-00 RELAY1

362-2234-00 RELAY5

D5

330n

R9 100 Q3 300 2SC2705_ R8 2SA1837_ -Y Q4

R10 C5

1.00kF 330p

R2 2.21kF 0.5W

C5 100n

3 -17.4V
R12 33k

R4 4.42kF 0.5W

2 3 1 1G

C1 10u 50V D2 D1 HZ9A2L HZ9A2L

1SR139-400

1

to Power Amp

8

K6
to POWER TRANS

1 3
IC1A NJM4580D-D NJM4580D-D IC3A3

R22

412F

R28

1.27kF R20 649F S1A 336-2005-00

0.5W

+24V UPC78N18H+18V

METER SWITCH Ass'y 716-0801

IC5

O I

G

11EQS10 100n D7 1SR139-400

100n

100n

C6 100n

2B REV 1B
NOR

C15

330p 1.00kF

5B
R19

-24V UPC79N18H -18V

-17.4V

to Protection Ass'y K9

3sec norm GND ML-S ML-S

6 5 4 3 2 1

1A
336-4010-10

8

S1A

2A 3A 4A 5A 1BOFF 2BNOR 3B3SEC 4B
8

K1

5B
308-0606-00

S1B

-

Meter Unit

+ 308-0708-00

IN-RUSH PROTECTOR ASS'Y (716-0799-01)
INRUSH PROTECTION Ass'y 3.3 R4 3.3 R5 100V/120V:716-0799-01 230V/240V :716-0799-03 10W ! 10W ! FH1 FH2 2.2 R3 2.2 R6 5W ! 5W ! 3.3 R1 3.3 R7 ! ! ! 10W ! 10W ! 314-0536-00 ! J1 J2 314-0536-00 S1VB60 ! ! D1 C1 ! 100u R2 35V 0.1
J3

1 2

8

METER CONNECTOR ASS'Y (716-0800-00)
K1
308-0214-00
to Protection Ass'y K9

LED ASS'Y (723-0144-00) LAMP ASS'Y (723-0145-00)
D1,2,5,6:SEL2610C D2 D3,4:SDPW3DG0B0-J D5 UNB D1 3sec D3 D4 Accuphase D6 BAL 176-4501-10 x3 PL1 PL2 PL3

7 6 5 4 3 2 1

2 1

K1

308-0209-00

K1
to Protection Ass'y K3

to Protection Ass'y K9

GAIN SWITCH ASS'Y (716-0796-00) DIODE(A) ASS'Y (716-0794-00)
309-5166-04 S15VB20 D1
to Protection Ass'yK3 to Input Ass'y K4

OUTPUT ASS'Y (716-0802-00)
K2
GRN YEL

SP Out

SP Out-

1C 1B 1A

1C 1B 1A

K3

K1
*



K7

K3

3 4

WHT K5 BRN

309-2295-04 GND

308-0206-00

308-0407-00

314-0536-00

362-4102-00 RELAY1

D1 1SR139-400

362-2230-00 RELAY3

2 1

1 2

1 2

+24V1

!
K4
BRN

!

314-0536-00

!
314-0530-00

K1
WHT

5 2 1

5 2 1

BRN

K2
BLU

S1B

L1 506-0012-00

R1 10 2W

336-4010-10

S2 4 354-1116-00

PC817-B/C R2 1 IC1

5B

INRUSH PROTECTION Ass'y Type Ass'y No. FUSE JUMPER D,U(100,120V) 716-0799-01 T:15A J2,3 E,B(230,240V) 716-0799-03 T:6.3A J1 Remarks:Circuit shows D(AC100V)setting

308-0224-00

309-5167-04 BLU

PCB:115-1837-00

3.16W

R1 10

K1

1A
S1A

336-4010-10

1B -12 2B -6 3B -3 4B 0 2A 3A 4A 5A
R1--3:3.3k0.25W D1--8:MA165 PCB:115-1835-00

!

Attention mark indicating critical components for safety. Replacement must be made with identical parts of specified part number.

D1 D2 D4 D3 D5 D6 D9 D7 D8

*

2
1.2k 1W

A CO K EM
R7 22k

4 Q1 3

2SC1627_ -Y

C1 47n 20 3.16W C4 47n R5 R4

R6 22k

5 2 1

K2

100n

1 3

2

R1 -3dB2 R2 -6dB3 4 R3 -12dB

C1

D2 1SR139-400

RELAY1 362-2230-00

C2 47n

1 2

308-0513-00

K9
to Input Ass'y K4

K8
to Protection Ass'y K2

1 2 3 4 5

20 3.16W GND

K6
GRY

K5
BLK

* This mark is not a pars of standard. *

D3 1SR139-400

4 3 6

4 3 6

2 1

4 3 6

K4

K3

K2

K1

314-0523-04 314-0523-04 L SIG R SIG OUTPUT Ass'y C3 100n 716-0802 362-2230-00 RELAY2 R3 20k 0.5W

Protection

METER SWITCH ASS'Y (716-0801-00)
- 14-

C20 100n C26 100n

C17 39u 25V C25 39u 25V

11EQS10 D3 D6

C9 100n C8

C12 100n C14

C11 100n C10

C7 100n

NOR

+24V 1A
C3 S1B 336-2005-00 22n

1 R5 332F 2
8
0.5W

3.3k 4B R13 3B

+17.4V

Ass'y K1

O I

G

IC4

1SR139-400 D4

+17.4V

5A 4A 3A REV 2A

4 4

-17.4V -17.4V

-3dB -6dB -12dB R35

GAIN Switch Ass'y K1

1 3 2

-24V

-3dB

308-0807-00 K10 K11 AC1 AC2 314-0536-00

-6dB

K5

6 7 8 9 10

6 7 8 9 10

-24V

6 7 8 9 10

301-8005-00 1G JK1

-12dB

D7 1SR139-400 314-0536-00 308-0212-00

308-1027-00

C22

C27

C28

1 2

C4 R11

330p 1.00kF

-24V
R32 82.0kF

2

+17.4V

+24V
332F R6

8 7 6 5 1 2 F2 4 3 3.3k 0.25W 310-8102-00 -24V 2 1 F1 2 IC2B NJM4580D-D 1 310-8102-00 5 308-0805-00 7 K4 6

K1

+24V -3dB -6dB -12dB -24V GND +24V BAL-

K4
WHT

to Power Amp

100V 1000u C6

8 7 6 5 4 3 2 1

to Power Amp

C7

+80V +66V -66V -80V -80V -66v +66v +80v

6
IC1B NJM4580D-D

8

22u 100V

46.4kF R175

332F 7 R7 0.5W

+17.4V

IC2A NJM4580D-D 2 R9 33k

R3

1000u LN1VB60 100V D3 C2

C24 2.2n

6 7 8 9 10

D4 + AC AC

+24V

1 2 3 4 5

R18 46.4kF

C2 10u 50V

C18

10 9 8 7 6 5 4 3 2 1

GND L+ LGND NFB GND GND R+ RGND

5 4 3 2 1

5 4 3 2 1

5 4 3 2 1

4

Ass'y K2 (R)

R14 46.4kF

to Output Ass'y K4

R1 0.5W

to Power Amp

R25 270k

10n C3

K8 K9 K3 K2 K7 K13

314-0536-00 309-5197-04 309-5195-04 665-#14 309-5196-04 665-#14

1 2 3 4 5

BRIDGE (REV) 362-2234-00 RELAY2

R34 270k MA165 D8

UNB/BAL 362-2234-00 RELAY4

C23 2.2n

D5 MA165

Q1 2SA1145_ R5 2SC4793_ -Y 300 R4 100 Q2

R24 270k

K3

10 9 8 7 6

665-#14 665-#14 309-5194-04

R26 470F C19 C16 R16 330p 1.00kF 332F 0.5W R8

22u 100V R15 46.4kF

6 5

NJM4580D-D IC3B

7

Ass'y K2 (L)

D8 1SR139-400

K1 K12 K4

BALANCE INPUT Ass'y

716-0797

5 4 3 2 1

POWER AMP ASS'Y (717-0093-00)
+66V
22 22 1.8k MA165 -K 2SA1376A_ 2SC3478A_ -K D3 HZ153L R10 1k <-10mA 100G <-0.9mA R13 D5

4.7n

C6

0.56V
R23

22 2SA1376A_-K

<-1.6mA

to Protection Ass'y K4

308-0616-00

K1 TS1
TS1 TS2 +G1 +G2 -G2 -G1

Q6

Q4

D10

2 1

HZ6C2L

Q10
R21

22 2SC3478A_ -K

100

Q7

2SA1507_ -S/T

150P 500V

D18

C1

1 2 3 4 5 6

369-0034-00 R22

Q11

R16 R17

Q8

2SA1145_-Y 2SA1145_-Y

+80V
R84 8.2k 2W

Q29

Q25

R9 1k <-1.6mA

100G <-10mA

Q41

2SK3497_

2SK3497_

2SK3497_

2SK3497_

2SK3497_

2SK3497_

2SK3497_

2SC2705_-Y 2SC2705_-Y Q5 Q3
4.7n

2SA1507_ -S/T *

C16
100n

C32 22u 200V C20 Q12 Q18 Q33 Q35 Q39 Q26 Q31
2SK3497_

2SC4793_ R95 100
C30

Q2

1SS83

C34

MA165 1.8k

D2 HZ153L

R40 330

R71 330

R8 330

R81 330

R89 330

Q43

R52 330

R27 330

from Input Ass'y K1

R61 1.5k

Q27

308-0416-00

D4

R19 68k

620

R6

!

100

583-0527-00 D14 MA167 MA167 D15

R56 6.8 2SC3421_ -Y

*

HZ6C2L

D19
2W

2.7k R18
R78 R79 120

2.7k R35

2.7k R51

2.7k R77

2.7k R86

2.7k R92

2.7k 2.7k R58 R68

D1
HZ6C2L

56k 583-0527-00 0.5W

^ 22mA

120

GND +INPUT -INPUT GND

R1 100

1 2 3 4
22 22 1.8k MA165 -K 2SA1376A_ 2SC3478A_ -K

5.6n

R54

*

D7 HZ153L

R34 1k

C15
100n
<-0.9mA R37 D9

+66V
C10 R26
620

3

3

VR2 VR1 22

Q37 2SC1627_ -Y 2SA817_ -Y Q36 C23 5.6n

R14
0.47 2W

R31
0.47 2W

R49
0.47 2W

R73
0.47 2W

R85
0.47 2W

R90
0.47 2W

R60 R66
0.47 2W 0.47 2W R65 0.47 2W 0.47 2W 2.7k
R67 330 2SJ618_

R3
R2 2.7k 0.47 2W R15 2.7k

R24
0.47 2W R32 2.7k

R38
0.47 2W R69 2.7k

R70
0.47 2W R76 2.7k

R80
0.47 2W R87 2.7k

R88
0.47 2W R48 2.7k

R50 R63

K4 K7 K6 K5 K3

H.T. +80V OUT -80V GND

R30

HEATSINK
0.56V
R47

*

!

<-10mA 100G

1

R11 330

4.7n

22 2SA1376A_ -K

<-1.6mA

1SS83 D17

C33

2SJ618_

2SJ618_

2SJ618_

2SJ618_

2SJ618_

2SJ618_

500V 150p

R39 100

Q22 Q21
R46

R41 R42

Q20

Q14 2SA1145_ -Y 2SA1145_ -Y 2SC3902_ -S/T 2SC2705_ -Y Q15
4.7n

R93 100 2SA1837_ 8.2k 2W

Q40

C29

Q16

*

2SA1837_

Q1

Q9

Q17

Q32

Q34

Q38

Q23

2SJ618_

100 -2.44V

Q42

R28 330

R55

R96

100

R57 330

R45 330

R72 330

R82 330

R91 330

500

500

1

R44 68k

D16

HZ6C2L

Q30

2SC3902_-S/T *
C2

R83

-80V C17
100n 200V C31 22u

C19 22u 200V

HEATSINK

22 2SC3478A_ -K

Q19

2SC2705_-Y
R33 1k <-1.6mA 100G <-10mA

Q24

Q28 D11
HZ6C2L

Q13

J2
1 2 3 4

J1
1 2 3 4

MA165 1.8k

C9

-0.56V R43 68k

D6 HZ153L

<-0.9mA D8 R36

R25

620

R29

*

+66V -80V +80V -66V
* C11 C3 33u 100V C7 33u 100V

C13 47n R59 20 3.16W C14 47n C18

314-1135-04

314-1135-04

! C26
330u 100V

22n

308-0221-00

-66V

C27
330u 100V

308-0411-00

1 2 3 4

2 1

TP1
-

K8
from DiodeB Ass'y K5

13mV
R53 4.12kF 0.5W

CAUTION

!

Attention mark indicating critical components for safety. Replacement must be made with identical parts of specified part number.

* This mark is not a pars of standard. *

to OUTPUT Ass'y

R94 68

K2

-66V

C24

R64 330

-0.56V

<-0.9mA R12

R4

R62

+2.44V

*

2SC4793_ R97 100

C5

-

+

R20 68k

620

! * C12
R5

*

C4 33u 100V

C8 33u 100V

C25
330u 100V

C28
330u 100V

R7

13mV TP2

308-0221-00

22u 200V

- 15 -

+

PROTECTION ASS'Y (720-0081-10)

L. POWERAMP K1

R. POWERAMP K1

T.S. T.S. +GS +GP -GP -GS

-GS -GP +GP +GS T.S. T.S.

308-0616-00

308-0616-00

VCC
D5

R32 56k R18 4.7k R17 4.7k R29 56k

ANALOG METER DRIVE CIRCUIT K5 426-0040-10 308-0606-00 IC3 R10 100 20 1

K4

K7

VCC
R27 1k R25 10k R23 10k R22 47k R26 10k C9 R7 1.2k 10u 50V C20 100n
5k 583-0537-00

1 2 3 4 5 6

6 5 4 3 2 1

1 2 3 4 5 6

C14

1 VR1 3

C15

R33 12k 11 TC74HC132AF/EL IC4B

D2

10

14

R37 56k

1n

4 5

6 VCC

R35 12k

TC74HC132AF/EL IC4A

1 2
7
C23 100n

3 16 8

R30

4.7k
C21

10k
100n D9

D7 MA167

C26

R36 R34 12 1k

IC2 UPC1237C-A

13

11

9 10

IC4C

R11 47k R13 47k R12 47k

HZ6A1L

22u 50V

CK Q1 Q2 CL Q3 Q4 Q5 Q6 Q7 Q8 Q9 Q10 Q11 Q12
100k 91k R5

9 7 6 5 3 2 4 13 12 14 15 1

C11 100n

MA165 D8

TC74VHC4040F IC5

19 18 17 16 15 14 13 12 11
8

VREF GND P20 P121 P21 P122 P22 P123 P23 VDD P130/RST P45 P31 P44 P30 P43 P40 P42 P41

2 3 4 5 6 7 8 9 10

C13 10u 50V

9 11 13 16 2

362-2232-00 RELAY1

8 6 4 1

1n

MA165 D17

9 11 13 16

362-2232-00 RELAY2

8 6 4 1 +24V-U 9 8 7 6 5 4 3 2 1
M- LP M-LP MT+ MT -(GND) 3sec norm MT-(GND) ML-S ML-S
8
to LAMP Ass'y K1 to METER CON. Ass'y K1

D19

MA165 10

D3

R9 220

OUTPUT

D6

VCC MA2C700A

D2,3,21,22:

3sec norm R38 100k

VCC 8

2SA1048_-GR Q6 R55 100k

to METER SW. Ass'y K1

C5 220u 10V

R19

R6

C8 22n

6.2k

4.7u

C6

R48 470k D12 MA167 D15 MA167 R54 0.1 D13 MA167

5 4 3 GND 2 CLK 1

C27 100n

1u 50V C10 S-80845CLY IC8

VCC

R3 680 R4 680 330n

!
R53

0.25W MA167 0.1 D14

12k R45 C32 R43 3.3k

50V D20 MA165 4.7u R44 50V 470k C31

IC6

Vpp +5V

RN1202 RN1202 R42 470 X3

O I

! 0.25W ! 0.25W
R51 0.1 S1VB60 D18
POWER TRANS

R14 4.7k

+24V-U
R24 750

Q3 2SC4793_ 330n

470u 35V 100 MA165 D1

0.28A

+24V

R20

HZ242L

C4 10u 50V

C7 10u 50V

C18 10u 50V

C29 10u 50V

5.6k

1000u

35V

R41

C34

C3 100u 35V

4.7k R16

-GR 2SA1048_

C12 100n

C19 100n

C22 100n

C25 100n

C28 100n

C1

C33 0.1 0.25W 0.28A 1000u K8 50V 308-0308-00

220k

R47

100n

100n C17 R15 750 R8 100 Q1

Q2

D16 D11 MA165 MA165

AC 22.5V 0V AC 22.5V

3 2 1

!
R52

VCC

Q4 2SC2458_ -GR

C30 100u

C24

D4

C2 25V

Q5

O I

VCC

R49 27 2SC2458_ -GR

1000u 50V

R39 10k

G

1W 52mA R40 150

1 2 R46 47k 3 4 5 6 IC1 7 UPC78N05H

PIC16F630-I/P

DATA

+24V
R50

VDD VSS RA5 RA0 RA4 RA1 RA3 RA2 RC5 RC0 RC4 RC1 RC3 RC2

14 13 12 11 10 9 8

PC817-B/C

1 2

A CO K EM
IC7

4C35 3 -24V

7 6 5 4 1.0k 3 2 1

8

G

- 16 -

1 2 3 4

OL VC CV MT LH RD AC G

8 7 6 5

+24V

IC4D TC74HC132AF/EL TC74HC132AF/EL R57 15 2W

308-1010-00 X2 RN1202 R56 100k +24V-U X1 X4 RN2223

K9

R1 R2

680 9 680 8

PIC PROGRAM

K6 308-0508-00

308-0905-00

K3
5 4 3 2 1

3sLEDLEDUNBLEDBALLEDLED+ ACLED+ ACLEDU/B SW GND

to LED Ass'y K1

to GAIN SW. Ass'y K2

>32mA(46mA)

308-0508-00

K2
4 3 2 1

-24V-U GND O-RL+ O-RLSIG

to OUTPUT Ass'y K8

-24V-U +24V -24V
308-0407-00

-24V-U

2SA1837_

-24V

K1

-24V GND +24V BAL-RLY-

to INPUT Ass'y K4







SPECIFICATIONS

[Guaranteed specifications are measured according to EIA standard RS-490.]

1,200 watts into 1 ohm() 600 watts into 2 ohms 300 watts into 4 ohms 150 watts into 8 ohms Output in bridged mobe(using two M-6000 units) 2,400 watts into 2 ohms () 1,200 watts into 4 ohms 600 watts into 8 ohms Note:The rating marked()is for music signals only. 0.05 0.03 with a 2-ohm load with a 4 to 16-ohm load 0.01



1,200W/1 600W/2 300W/4 150W/8 (2 ) 2,400W/2 1,200W/4 600W/8 0.05 0.03 0.01 1W

(1 )

(2 )

2 4 16



20 20,000Hz 0 0.2dB 0.5 150,000Hz 0 3.0dB

At rated continuous average output :20-20,000Hz 0, 0.2dB At 1 watt outout :0.5-150,000Hz 0, 3.0dB 28.0dB (GAIN selector in MAX position) MAX,-3dB,-6dB,-12dB

28.0dB(GAIN MAX ) MAX, -3dB,-6dB,-12dB 500 1.38V 0.11V 1W 40k 20k 2 16 1 16

Continuous output: 2 to 16 ohms With music signal: 1 to 16 ohms 500

1.38 V for rated continuous average output 0.11 V for 1 watt output

Balanced: 40 kilohms Unbalanced: 20 kilohms (A-weighted) 120 dB with input shorted, at rated continuous average output

(A ) 120dB

-60dB 3dB(dB/ ) 3 AC100V 180W 550W 375W 50/60Hz 8 220mm× 500mm

-60 to 3dB(dB/ indication) Logarithmic compression scale Display illumination off switch Peak hold time select: 3 seconds,

AC120V/230V (Voltage as indicated on rear panel) 50/60Hz

465mm × 38.5kg

180 watts idle 550 watts in accordance with IEC-60065

Width: 465 mm (18-5/16") Height:220 mm (8-11/16") Depth: 500 mm (19-11/16") 38.5 kg (84.9 lbs) net 48.0 kg (105.8 lbs) in shipping carton

0809

861-3168-00

2-14-10 SHIN-ISHIKAWA, AOBA-KU, YOKOHAMA, JAPAN

Printed in Japan