Yamaha NS-300 Service manual
SPEAKER SYSTEM
TWEETER
WOOFER
WOOFER
TWEETER
INPUT
C2
WOOFER
INPUT
C3
L2
L1
C1
NS-300
SERVICE MANUAL
NS-300
■ DIMENSIONS
680(26-3/4)
900(35-7/16)
■ NETWORK CIRCUIT DIAGRAM
1.8mH
INPUT
6.8µF
0.47µF
2.7µF
0.5mH
WOOFER
WOOFER
TWEETER
■ WIRING DIAGRAM
212(8-3/8)
Unit: mm (inch)
(13/16)
297(11-11/16)20
317(12-1/2)
■ SPECIFICATIONS
Type....................2-way 3-speaker bass reflex speaker system
(Magnetically-shielded type)
Speaker Unit
Woofer....................................... 16 cm (6.5") corn x 2
Tweeter ...............................................3 cm (1") dome
Nominal Impedance.................................................. 6 ohms
Frequency Response ................................. 30 Hz ~ 35 kHz
Nominal Input Power................................................. 140 W
100682
Maximum Input Power .............................................. 400 W
Sensitivity...................................................... 91 dB/2.83 V/m
Crossover Frequency ................................................ 3 kHz
Dimensions (W x H x D) .................... 212 x 900 x 317 mm
(8-3/8" x 35-7/16" x 12-1/2")
Weight................................... 19.0 kg (41 lbs. 14 oz.) /1 piece
Accessories ........... Stand x 4, Screw (6 mm) x 4, Spike x 4,
Wood screw (4 mm) x 4, Washer x 4, Pad x 4, Nut x 4
✻ Specifications are subject change without notice due to
product improvements.
P.O.Box 1, Hamamatsu, Japan
ABCDE
NS-300
1
■ EXPLODED VIEW
1
2
1-5
6
9
2
3
9
10
4
5
7
5
9
1-3-4
1-3-7
6
1-3-5
The Network Ass'y is
fixed with staple.
1-4
7
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