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© 2022 KORG INC.

KORG INC.

4015-2 Yanokuchi, Inagi-city, Tokyo 206-0812 Japan

korgnutube.com

PARTS LIST

 

No.  Designator 

Category 

Part Name / Specification 

 Qty

 

TU1 

Nutube(vacuum tube) 

6P1 

1

 2 

IC2,IC3 

Operational amplifier 

SO8412P-TH-WS 

2

 3 

RE1 

Voltage regulator 

NJM78L03SU3 

1

 4 

D1,D2 

SBD 

SS14 

2

 5 

C5,C15,C18,C20,C22,C24,C43 

Chip ceramic capacitor 

MLCC 2012 X7R 0.1uF 25V 

7

 6 

C29,C30 

Chip ceramic capacitor 

MLCC 1608 X7R 100pF 25V 

2

 7 

C3,C4,C9,C11 

Electrolytic capacitor 

1uF / 50V 

4

 8 

C1,C2,C8,C12 

Electrolytic capacitor 

10uF/16V 

4

 9 

C14,C16 

Electrolytic capacitor 

470uF/25V 

2

10 

C10,C13 

Electrolytic capacitor 

330uF/25V 

2

11 

C7,C17 

Electrolytic capacitor 

E-CAP 10uF 50V 

2

12 

C19,C21,C23 

Electrolytic capacitor 

E-CAP 100uF 35V 

3

13 

C6 

Electrolytic capacitor 

E-CAP 220uF/25V 

1

14 

C44 

Electrolytic capacitor 

E-CAP 47uF/ 6.3V 

1

15 

R8,R10,R41-R44,R47,R49,R51-R54,C25,C26  Chip resistor 

Chip CFR 1603 0 Ohm 

14

16 

R15,R20 

Chip resistor 

Chip CFR 1603 1.3 KOhm 

1

17 

R9,R11,R16,R23 

Chip resistor 

Chip CFR 1603 100 KOhm 

4

18 

R25,R33 

Chip resistor 

Chip CFR 1603 150 KOhm 

2

19 

R26,R34 

Chip resistor 

Chip CFR 1603 18 KOhm 

2

20 

R27,R35 

Chip resistor 

Chip CFR 1603 1 KOhm 

2

21 

R38,R39 

Chip resistor 

Chip CFR 1603 330 KOhm 

4

22 

R13,R18,R45,R46 

Chip resistor 

Chip CFR 1603 20 KOhm 

4

23 

R21,R30 

Chip resistor 

Chip CFR 1603 33 KOhm 

2

24 

R22,R31 

Chip resistor 

Chip CFR 1603 39 KOhm 

2

25 

R3,R6 

Chip resistor 

Chip CFR 1603 15 KOhm 

2

26 

R14,R19 

Chip resistor 

Chip CFR 1603 6.2 K KOhm 

2

27 

R12,R17,R24,R32 

Chip resistor 

Chip CFR 1603 56 KOhm 

4

28 

R7 

Chip resistor 

Chip CFR 1603 68 Ohm 

1

29 

R2,R5,R28,R29,R36,R37 

Chip resistor 

Chip CFR 2012 10 KOhm 

6

30 

R40 

Chip resistor 

Chip CFR 2512 10 Ohm 

1

31 

INPUT, OUTPUT 

Volume 

V9MG-2R B100K 

2

32 

TR1,TR2 

Trimmer Potentiometer 

CET065P-B10K 

2

33 

DC_IN 

DC JACK 

JK102 C-2mm 

1

34 

RIGHT_IN,RIGHT_OUT 

RCA JACK 

RCA-105A RED 

2

35 

LEFT_IN,LEFT_OUT 

RCA JACK 

RCA-105A WHT 

2

36 

SW1,SW2 

Rotary Switch 

3P4T 0.5A 125VAC 

2

37 

BYPASS-Nutube 

SLIDE Switch 

DPDT VERTICAL 

1

38 

POWER 

Push Swirch 

JRS-2254A 

1

39 

J1 

Connector 

1.25p H 6P 

1

40 

J2 

Connector 

1.25p V 6P 

1

41 

 

Screw 

M3×P0.5 L=6 

4

42 

 

Spacer 

M3×20 hex Ni 

4

Summary of Contents for Nutube NEB-2

Page 1: ... Input Level 2 dBu Measured at 6V BIAS voltage It varies depending on the Nutube BIAS setting Max Output Level 12 dBu Measured at 6V BIAS voltage It varies depending on the Nutube BIAS setting Max GAIN 10 dB Measured at 6V BIAS voltage It varies depending on the Nutube BIAS setting Frequency response 20 Hz 40k Hz SN ratio 100 dB It varies depending on the Nutube BIAS setting Connections Input RCA ...

Page 2: ...PASS SWをNutube側にしてください 4 倍音切り替えスイッチ 4 Types Tone Select SW を4に設定してください 倍音が一番多い状態にします 5 入力の接続機器の音量を適正な値に調整してください 歪む直前の値に調整する事をお勧めします 6 BYPASS と Nutube の音量が同じレベルになるように Nutube BYPASS SWの切り替えを繰り返して音量を比較しながら Nutube VOLUMEを調整します 7 倍音切替えスイッチ 4 Types Tone Select SW を4段階切り替えて 倍音による音色の違いをお楽しみください Set the 4 type Tone Selector switches to MODE 1 Connect an oscilloscope or voltmeter to pin 7 of IC2 left or IC3...

Page 3: ... ...

Page 4: ...9 R11 R16 R23 Chip resistor Chip CFR 1603 100 KOhm 4 18 R25 R33 Chip resistor Chip CFR 1603 150 KOhm 2 19 R26 R34 Chip resistor Chip CFR 1603 18 KOhm 2 20 R27 R35 Chip resistor Chip CFR 1603 1 KOhm 2 21 R38 R39 Chip resistor Chip CFR 1603 330 KOhm 4 22 R13 R18 R45 R46 Chip resistor Chip CFR 1603 20 KOhm 4 23 R21 R30 Chip resistor Chip CFR 1603 33 KOhm 2 24 R22 R31 Chip resistor Chip CFR 1603 39 KO...

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