Marantz MA-9-S-1 Schematic

MA-9S1 Power Amplifier

SC-7S1/MA-9S1. The audio community has never forgotten the Marantz Model 9 monophonic power amplifier. Now, more than 40 years later, this

product still stands as an ideal fusion of original circuit design and outstanding aesthetic appeal. Indeed, one of the main forces that established

the Marantz reputation - and remain a source of
inspiration for many designers and enthusiasts.

Today, the distinctive voices of the original Model 9
is reborn in the MA-9S1 monaural

power amplifier.
This work of art defines new horizons in both
musical performance and contemporary elegance.
The MA-9S1 is an enduring testament to the
synergy of today’s advances in physics, electronic
circuitry, and metallurgy guided by our unwavering
respect for the past.

That is why we assigned to these products model
numbers directly traceable of our heritage. When
you hear them, you’ll understand.

FEATURES

Number of Channels
Output Power/Channel (20Hz - 20kHz) @ 8Ω
HDAM
Power Transformer
Discrete Amplifier Stage
Individual Level Adjust

1

300W

(HDAM SA)

•

Toroidal

•

•

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

SPECIFICATIONS

THD (20Hz - 20kHz, 8Ω)
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.)

*All specifications, 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 within this document.

1/1 (Balanced Mono/Unbalanced Mono)

-

-

-

-

-

-

0.01%

1.7V/20kΩ

3Hz - 120kHz (+0, -3dB)

120dB

Gold

Aluminum

-

AC 120V 60Hz

500W

13

18" x 7

/16" x 173/4"

78.9

Marantz America, Inc.• 1100 Maplewood Drive • Itasca, IL 60143 • Phone [phone] • Fax [phone] • www.marantz.com ©2005 Marantz America, Inc.