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NS-90/C120/120
SPEAKER SYSTEM
NS-90/C120/120 SERVICE MANUAL
NS-90/C120/120
s SPECIFICATIONS
NS-90 NS-C120 NS-120
Type 2-way bass reflex 2-way bass reflex 2-way bass reflex
magnetic shielding type magnetic shielding type magnetic shielding type
Speaker Unit
Woofer 13 cm (5") cone 10 cm (4") cone x 2 13 cm (5") cone
Tweeter 3 cm (1") dome 3 cm (1") dome 3 cm (1") dome
Frequency Response 60 Hz ~ 35 kHz 60 Hz ~ 35 kHz 42 Hz ~ 35 kHz
Nominal Impedance 6 ohms 6 ohms 6 ohms
Nominal Input Power 60 W 60 W 60 W
Maximum Input Power 200 W 200 W 200 W
Sensitivity 89 dB/2.83 V/m 88 dB/2.83 V/m 88 dB/2.83 V/m
Crossover Frequency 3 kHz 3 kHz 3 kHz
Input Terminal Screw / Banana type Screw / Banana type Screw / Banana type
Dimensions (W x H x D) 168 x 310 x 177 mm 480 x 140 x 171 mm 168 x 800 x 269 mm
(6-5/8" x 12-3/16" x 7") (18-7/8" x 5-1/2" x 6-3/4") (6-5/8" x 31-1/2" x 10-9/16")
Weight 4 kg (8 lbs. 13 oz.) /1 piece 5.2 kg (11 lbs. 7 oz.) 12.5 kg (27 lbs. 9 oz.) /1 piece
Finish Cherry / Black Cherry / Black Cherry / Black
Accessories Velcro strips Spike x 4, Stand x 4
Specifications are subject to change without notice due to product improvements.
100715
P.O.Box 1, Hamamatsu, Japan
NS-90/C120/120
s DIMENSIONS
NS-90
(2-1/8")
40(1-9/16")
54
160(6-5/16")
310(12-3/16")
60(2-3/8")
21(13/16") 156(6-1/8")
168(6-5/8") 177(7") Unit : mm (inch)
NS-C120 NS-120
150(5-7/8")
171(6-3/4")
21(13/16")
612(24-1/16")
800(31-1/2")
140(5-1/2")
480(18-7/8")
Unit : mm (inch)
19(3/4") 250(9-13/16")
168(6-5/8") 269(10-9/16") Unit : mm (inch)
1
NS-90/C120/120
s NETWORK CIRCUIT s WIRING DIAGRAM
DIAGRAM
NS-90 NS-90
1.2mH
BE
INPUT 6.8 F WOOFER TWEETER BL C1 L2
RE
WOOFER BL
YE
TERMINAL
BL
4.7 F
L1
TWEETER C2
0.4mH
NS-C120 NS-C120
1.0mH
BE
INPUT 8.2 F WOOFER TWEETER BL C1 L2
RE
WOOFER BL
YE
TERMINAL
WOOFER BL
L1
RE
WOOFER C2
BL
4.7 F
TWEETER
0.3mH
NS-120 NS-120
1.5mH
BE
INPUT 10 F WOOFER TWEETER BL C1 L2
RE
WOOFER BL
YE
TERMINAL
BL
3.3 F
L1
TWEETER C2
0.35mH
2
NS-90/C120/120
s EXPLODED VIEW (NS-90)
14 23
1
21
8
4 9
2
22
7
5
15
22
1-4
1-1-7
1-1-5
1-1-6
1-1-8
1-1-7
Use an Allen wrench (3mm) to unscrew the loud speaker.
s PARTS LIST
Ref.
No. PART NO. Description Remarks Markets
* 1 V5367500 CABINET ASSY CH
* 1 V5367600 CABINET ASSY BL
* 1-1-5 V5370100 ELECTROLYTIC CAP 6.8uF 63V
* 1-1-6 V5357100 ELECTROLYTIC CAP 4.7uF 63V
* 1-1-7 CB818540 BINDING TIE T-30RF-2
* 1-1-8 EP030200 BIND HEAD TAPPING SCREW 3x8 ZMC2-Y
1-4 CB605250 HOLDER
* 2 V5368100 FRONT GRILLE ASS'Y CH
* 2 V5368300 FRONT GRILLE ASS'Y BL
* 4 XY377A00 LOUD SPEAKER 2.5cm JA05U9
* 5 XY379A00 LOUD SPEAKER 13cm JA1361
* 7 V5361300 SPEAKER TERMINAL 2P
* 8 V5361400 TERMINAL CAP S06E RED
* 9 V5361500 TERMINAL CAP S06E BLACK
* 14 V5361200 BRACKET
15 VY893800 INSULATOR
* 21 V5537900 OVAL HEAD TAPPING SCREW #1 3.5x16 MFZN2BL
* 22 V5537800 HEXAGON SOCKET TAPPING SCREW 4x20 MFZN2BL
* 23 VB132700 BIND HEAD SCREW 4x12 MFZN2-BL
* New Parts
3
NS-90/C120/120
s EXPLODED VIEW (NS-C120)
21
7 8
1
9
202
5
22
22
4
1-4
1-1-6
2 5 1-1-7
1-1-7
22 1-1-8
1-1-5
Use an Allen wrench (3mm) to unscrew the loud speaker.
s PARTS LIST
Ref.
No. PART NO. Description Remarks Markets
* 1 V5353500 CABINET ASSY CH
* 1 V5353600 CABINET ASSY BL
* 1-1-5 V5357200 ELECTROLYTIC CAP 8.2uF 63V
1-1-6 V5357100 ELECTROLYTIC CAP 4.7uF 63V
1-1-7 CB818540 BINDING TIE T-30RF-2
1-1-8 EP030200 BIND HEAD TAPPING SCREW 3x8 ZMC2-Y
1-4 CB605250 HOLDER
* 2 V5353800 FRONT GRILLE ASS'Y CH
* 2 V5353900 FRONT GRILLE ASS'Y BL
4 XY377A00 LOUD SPEAKER 2.5cm JA05U9
* 5 XY378A00 LOUD SPEAKER 10cm JA1086
7 V5361300 SPEAKER TERMINAL 2P
8 V5361400 TERMINAL CAP S06E RED
9 V5361500 TERMINAL CAP S06E BLACK
21 V5537900 OVAL HEAD TAPPING SCREW #1 3.5x16 MFZN2BL
22 V5537800 HEXAGON SOCKET TAPPING SCREW 4x20 MFZN2BL
ACCESSORIES
* 202 V4903800 VELCRO STRIPS
* New Parts
4
NS-90/C120/120
s EXPLODED VIEW (NS-120) 1
202
203
1-5
3
11
2
10
11 15
16
4
1-1-5
1-1-7 7
1-1-7
1-1-8 1-1-6
201
Use an Allen wrench (3mm) to unscrew the loud speaker.
s PARTS LIST
Ref.
No. PART NO. Description Remarks Markets
* 1 V5382900 CABINET ASSY CH
* 1 V5383000 CABINET ASSY BL
* 1-1-5 V5386100 ELECTROLYTIC CAP 10uF 63V
* 1-1-6 V5397000 ELECTROLYTIC CAP 3.3uF 63V
* 1-1-7 CB818540 BINDING TIE T-30RF-2
* 1-1-8 EP030200 BIND HEAD TAPPING SCREW 3x8 ZMC2-Y
1-5 CB60525 HOLDER
* 2 V5383200 FRONT GRILLE ASS'Y CH
* 2 V5383400 FRONT GRILLE ASS'Y BL
* 3 XY377A00 LOUD SPEAKER 2.5cm JA05U9
* 4 XY379A00 LOUD SPEAKER 13cm JA1361
* 7 V5389700 SPEAKER TERMINAL
* 10 V5537900 OVAL HEAD TAPPING SCREW #1 3.5x16 MFZN2BL
* 11 V5537800 HEXAGON SOCKET TAPPING SCREW 4x20 MFZN2BL
* 15 V5361400 TERMINAL CAP S06E RED
* 16 V5361500 TERMINAL CAP S06E BLACK
ACCESSORIES
* 201 V5004900 STAND ASS'Y 4sets
* 202 V5386900 SPIKE M6.0x15 (GTR)
203 V2450400 HEXAGONAL NUT 6.0 MFZN2-BL (GTR)
* New Parts
5