Marantz MA-9S1 manual Block diagram, Specification Dimensions Unit mm

6. Specification

■ Specification	■ Dimensions Unit : mm
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 - 120 kHz
	(+0, –3dB)
Damping factor	200
(20Hz - 20kHz, 8Ω Load)
Input sensitivity/ Input impedance	1.7V / 20kΩ (Balanced)
	1.7V / 20kΩ (Unbalanced)
S/N (IHF-A)	120 dB (Balanced)
	120 dB (Unbalanced)
Attenuation	0, –3, –6, –9, –12, – ∞ dB
Power requirement (MA 9 S1/N1G)	AC 230V 50Hz
(MA 9S1/U1G)	AC 120V 60Hz
Power Consumption (MA 9S1/N1G)	500 W (3.2 A)
(MA 9S1/U1G)	500 W (5.8 A)
	1200 W (Output: 4Ω, 600W)
Dimensions	Width 459 mm
	Height 198 mm
	Depth 451 mm
Weight	35.8 kg

* All specifications, dimensions and weights are subject to change without notice.

7. Block diagram

UNBALANCED

2 1

3

INPUT

1

BALANCED

2

INPUT

SELECTOR

SOFT

START

ATT

ATT

I/V

I/V

REGULATOR

I/V

SPEAKER

OUTPUT

I/V

PROTECT

FINAL STAGE

INPUT / DRIVE STAGE

METER / PROTECT 13