Marantz MA-9S2 manual Specification, Block Diagram, Dimensions, English

SPECIFICATION

SPECIFICATION

Power Output (20Hz - 20kHz)
............................................................	300W (8Ω Load)
............................................................	600W (4Ω Load)
T.H.D. (20Hz - 20kHz, 8Ω Load)	0.01%
Frequency response (1W, 8Ω Load)	3 Hz - 150 kHz (+0, –3dB)
Dumping factor	200 (20Hz - 20kHz, 8Ω Load)
Input sensitibity/ Input impedance
.................................................	1.7V / 20kΩ (Balanced)
.............................................	1.7V / 20kΩ (Unbalanced)
S/N (IHF-A)
.........................................................	123 dB (Balanced)
.....................................................	123 dB (Unbalanced)
Attenuation	0, –3, –6, –9, –12, – ∞ dB
Power requirement (MA-9 S2/N1G)	AC 230V 50Hz
(MA-9S2/U1G)	AC 120V 60Hz
Power Consumption (MA-9S2/N1G)	500 W
(MA-9S2/U1G)	500 W
	1200 W (Output: 4Ω, 600W)
Dimensions
................................................................	Width 459 mm
..............................................................	Height 198 mm
...............................................................	Depth 451 mm
Weight	37.4 kg

DIMENSIONS

459

8 ENGLISH

451

20

198

18

Unit : mm

BLOCK DIAGRAM

1 ATT

UNBALANCED	+
2	-

BALANCED	2	1	-
		3	+

ATT

INPUT

SELECTOR

±45V

±50V

SOFT

START

±24V

I/V	+
	I/V
	-

I/V	+
	I/V
	-

PROTECT

LOGAMP

OUTPUT STAGE

DRIVE STAGE

PROTECT

+A

+B

SPEAKER

OUT

-A

-B

13