SPECIFICATION

SPECIFICATION

Power Output (20Hz - 20kHz)

 

............................................................

300W (8Load)

............................................................

600W (4Load)

T.H.D. (20Hz - 20kHz, 8Load)

0.01%

Frequency response (1W, 8Load)

3 Hz - 150 kHz (+0, –3dB)

Dumping factor

200 (20Hz - 20kHz, 8Load)

Input sensitibity/ Input impedance

 

.................................................

1.7V / 20k(Balanced)

.............................................

1.7V / 20k(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: 4, 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

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Image 17
Marantz MA-9S2 manual Specification, Block Diagram, Dimensions

MA-9S2 specifications

The Marantz MA-9S2 is a high-end power amplifier that epitomizes audio excellence, specifically engineered for audiophiles and those seeking unparalleled sound quality. Launched as part of Marantz's prestigious Reference Series, the MA-9S2 represents the pinnacle of the brand's amplification technology, showcasing a sophisticated blend of traditional craftsmanship and innovative design.

One of the standout features of the MA-9S2 is its dual-mono configuration. This design separates each channel's power supply, thereby minimizing crosstalk and enhancing channel separation. As a result, the amplifier delivers an incredibly pure and clear soundstage, allowing listeners to experience their music with unprecedented clarity and detail.

The MA-9S2 is equipped with Marantz's proprietary Current Mode Amplification technology. This technology ensures that the amplifier can handle a wide range of speaker impedances and delivers a stable and dynamic performance, even at high volumes. The amplifier has a continuous output of 200 watts per channel into 8 ohms, which significantly increases to 400 watts into 4 ohms, making it versatile enough to drive an array of speaker types and configurations.

Additionally, the MA-9S2 features a fully discrete output stage, which contributes to its rich and lush sound signature. Each component is meticulously selected to maintain the purity of the audio signal, resulting in low distortion and an expansive frequency response. This design philosophy aligns with Marantz's dedication to creating an authentic music experience.

In terms of build quality, the MA-9S2 is housed in a robust chassis that minimizes resonance and electromagnetic interference. The use of premium materials further enhances its durability and aesthetic appeal, presenting an elegant addition to any audio setup. The amplifier also incorporates advanced cooling technologies, ensuring it operates efficiently without overheating, even during long listening sessions.

Connectivity is another strong point of the MA-9S2. It includes balanced XLR inputs and single-ended RCA inputs, allowing for various hookup options according to user preferences. Its attention to detail also includes high-quality binding posts, ensuring a solid and reliable connection to speakers.

Overall, the Marantz MA-9S2 power amplifier represents a masterclass in audio engineering, merging innovative technology with a dedication to sound purity. For avid music enthusiasts, it stands as a formidable choice in delivering a transcendent listening experience.