Marantz MA-9-S-2 Schematic
We began with the historic Model 9. We improved that distinctive voice with the MA-9S1. And
now we present the MA-9S2 as the latest step in our relentless pursuit of sonic accuracy. It defines
new horizons in both musical performance and contemporary elegance.
When you first see the MA-9S2, you’ll be impressed with its clean yet purposeful look. When you listen,
you will realize that the one thing that surpasses the MA-9S2’s construction, is it’s sound.
MA-9S2 Reference Monoblock Amplier
MA-9S2
Reference Monoblock Amplier
Far more than massive current capability elegantly housed in brushed aluminum, the MA-9S2 thoroughly updates the performance of
our original Model 9. It’s the culmination of more than a half-century’s eort in reproducing audio in the home. Of course, this must be
a Marantz. A major untertaking, the engineers at Marantz tore apart the MA-9S1 and redesigned it from the ground up to be even faster,
with less noise, and more authority. The MA-9S2 represents over 50 years of expertise in amplier circuitry, and sincere love of music.
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300 Watts into 8 Ohms, 600 Watts into 4 Ohms
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>150 Amps Peak Current Supply
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Custom HDAM® SA Modules
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Full Current Feedback Amplier Stage
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Double Shielded Low noise Toroidal Transformer
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Fully Balanced Amplier Design
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Choke Input System Power Supply
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Custom Extruded Aluminum Heat Sink
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Heavy Gauge Internal Wiring
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All Copper Plated Chassis and Double Layered Bottom Plate
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Dual WBT® Speaker Outputs
FEATURES
Number of Channels
Output Power/Channel (20Hz - 20kHz) @ 8
Power Transformer
Discrete Amplier Stage
Individual Level Adjust
IN/OUTPUTS
AUDIO
Analog L&R In
Main Channel Amp In
Bridge Mono Mode
Analog L&R Out
Headphone Out
OTHERS
D-Bus Remote (RC-5) In/Out
External Control
1/1 (Balanced Mono/Unbalanced Mono)
1
300W
Toroidal
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SPECIFICATIONS
THD (20Hz - 20kHz, 8
Input Sensitivity/Impedance
Frequency Response
S/N Ratio
GENERAL
Color
Front Panel
Remote Control
Power Requirement
Power Consumption
Dimensions (Inches) W x H x D
Weight (lbs.)
0.01%
1.7V/20k
3Hz - 120kHz (+0, -3dB)
120dB
Gold
Aluminum
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AC 120V 60Hz
500W
18” 1/16" x 7 13/16" x 17 3/4"
78.9
*All specications, dimensions and weights are subject to change without notice. D&M Holdings, Marantz, Marantz America, Inc. or any of its subsidiaries will not assume any liability for errors in this spec
sheet which may result in consequential errors being made by retail dealers, designers, custom installers, cabinet makers or end users, etc based upon information contained within this document.
©2007 Marantz America, Inc. • www.us.marantz.com
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