Marantz MA9-S2

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Descrizione

We’ll never forget the impact the introduction of the Marantz Model 7 and Model 9 had in the industry more than 40 years ago. These models fused original circuit design with rational thinking and aesthetic appeal. Not only did these models help establish the Marantz name and brand in the audio world, but also influenced the direction that audio evolution has taken ever since. That the Model 7 and Model 9 are still sought–after-components is a testament to the fact that even though musical sources may have changed, thoughtful design and engineering continue to endure defying the laws of music and audio history. Reviving these two numbers will enrich audio history again. The distinctive voice of the Model 9 has been reborn in the monaural power amplifier MA-9S1. Now it is time for the Series 2 version to update with the latest experiences Marantz engineers made and the use of new material and components to further excel the indescribable performance of this monaural power amplifier. 
 
Reference Series full balanced monaural power amplifier
Fully re-worked and re-voiced version of famous MA-9S1
Ultra stabile power output of 300 Watts at 8 Ohms RMS and 600 Watts at 4 Ohm RMS
Current Feedback technology for fast and accurate signal handling
Audiophile 2-satge circuit concept for best signal to noise ratio of 120dB
Instantaneous current delivery capability
Current peak level capability of incredible 150 ampere
Marantz’ newly developed HDAMs for Super Audio (HDAM SA)
Shielded Super Ring Core power transformer and Shottky barrier diodes
Choke input system to reduce rectifier harmonic noise
Ultra low impedance amplifier
Rigid multi layer chassis construction with aluminium front and side panels
Multi-layer solid copper plated chassis, rear panel and system block shielding
One balanced and two unbalanced inputs (selectable)
Two low impedance WBT speaker terminals for bi-wiring
Blue eliminated power meter (switchable)

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Scheda Tecnica

Channels 1 
Current Feedback Topology  
Class A amplification  
Linear Drive Power Supply  
CCNE  
Power Transformer Super-ring 
HDAM SA 
Symmetric PCB Layout  
Chassis Copper plated 
High Grade Audio Components  
Customized Components  
System Block Shielding Copper 
BTL Possibility  
Treble, Bass  
Balance  
Loudness  
Source Direct  
Separate Solid Heatsinks  
Speaker A/B  
Record Selector 
Tape Monitor  
Temperature Gauge  
Standby mode  
Gold Plated Cinch  
IN/OUTPUTS
Audio Inputs 2 
Phono Input 
Audio Outputs 
Balanced I/O 1/- 
External Control In Floating control bus (3.5mm mono jack x 2) 
Processor I/O  
Pre-out / Main in -/1 
D-Bus I/O  
Speaker Terminal WBT 
AC Outlets 
SPECIFICATIONS
Power Output (8/4 Ohm RMS) 300/600 Watts 
Frequency Range 
Total Harmonic Distortion(THD) 0.01% 
Bridged Power Output 
Damping Factor 200 
Input Sensitivity MM/MC 
Input Sensitivity High Level 1,7V /20kOhm 
Input Sensitivity Balanced 
Signal to Noise MM/MC 
Signal to Noise High Level 120dB 
Channel Separation 
Headphone Out  
GENERAL
Color Gold 
Front Panel Metal 
Remote Control 
Power Consumption 500 Watts 
Detachable Power Cable  
Dimensions WxHxD (mm) 459 x 451 x 198 mm 
Weight 37Kg