Specification; Block Diagram - Marantz MA-9S1 Mode D'emploi

6. Specification

I Specification
Power Output (20Hz - 20kHz) ................................. 300W (8Ω Load)
T.H.D. (20Hz - 20kHz, 8Ω Load) ............................................. 0.01%
Frequency response (1W, 8Ω Load) .......................... 3 Hz - 120 kHz
Dumping factor ........................................................................... 200
(20Hz - 20kHz, 8Ω Load)
Input sensitibity/ Input impedance .............. 1.7V / 20kΩ (Balanced)
S/N (IHF-A) .......................................................... 120 dB (Balanced)
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)
Dimensions ................................................................ Width 459 mm
Weight ................................................................................... 35.8 kg

7. Block diagram

UNBALANCED
2 1
3
INPUT
1
BALANCED
2
INPUT
SELECTOR
SOFT
START
600W (4Ω Load)
(+0, –3dB)
1.7V / 20kΩ (Unbalanced)
120 dB (Unbalanced)
1200 W (Output: 4Ω, 600W)
Height 198 mm
Depth 451 mm
ATT
ATT
REGULATOR
I Dimensions
I/V
I/V
FINAL STAGE
INPUT / DRIVE STAGE
METER / PROTECT
Unit : mm
459
I/V
SPEAKER
OUTPUT
I/V
PROTECT
13