Marantz MA-9S1 - Manual (Page 16)

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Specification
Power Output (20Hz - 20kHz) ................................. 300W (8 Ω Load)
600W (4 Ω Load)
T.H.D. (20Hz - 20kHz, 8 Ω Load) ............................................. 0.01%
Frequency response (1W, 8 Ω Load) .......................... 3 Hz - 120 kHz
(+0, –3dB)
Damping factor ............................................................................ 200
(20Hz - 20kHz, 8 Ω Load)
Input sensitivity/ Input impedance ............... 1.7V / 20k Ω (Balanced)
1.7V / 20k Ω (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: 4 Ω, 600W)
Dimensions ................................................................ Width 459 mm
Height 198 mm
Depth 451 mm
Weight ................................................................................... 35.8 kg
6. Specification
7. Block diagram
1 2
3
BALANCED
1
2
I/V
SPEAKER
OUTPUT
INPUT / DRIVE STAGE
METER / PROTECT
UNBALANCED
INPUT
ATT
ATT
I/V
I/V
I/V
PROTECT
FINAL STAGE
REGULATOR
SOFT
START
INPUT
SELECTOR
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Dimensions
Unit : mm
* All specifications, dimensions and weights are subject to change without notice.