Marantz SC-7S1 User Manual
Stereo control amplifier
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- User manual (65 pages) ,
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Summary of Contents for Marantz SC-7S1
- Page 1 Model SC-7S1 User Guide Stereo Control Amplifier...
- Page 2 CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE THE COVER (OR BACK) NO USER-SERVICEABLE PARTS ARE INSIDE REFER SERVICING TO QUALIFIED SERVICE PERSONNEL WARNING TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS PRODUCT TO RAIN OR MOISTURE.
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Page 3: Important Safety Instructions
IMPORTANT SAFETY This product was designed and manufactured to meet strict quality and safety standards. There are, however, some installation and operation precautions which you should be particularly aware of. Read Instructions – All the safety and operating instructions should be read before the product is operated. -
Page 4: Table Of Contents
1. Instruction for use ... 2 Foreword ... 2 Equipment mains setting ... 2 Copyright ... 2 Precautions ... 2 How to use batteries..2 2. Accessories ... 2 3. Main features of this product ... 3 4. Connections ... 4 Connection 1 Stereo connection ... -
Page 5: Instruction For Use
This section must be read before any connection is made to the mains supply. Equipment mains setting Your Marantz product has been prepared to comply with the household power and safety requirements that exist in your area. “SC7S1/N1G” version product can be powered by 230 V AC only. -
Page 6: Main Features Of This Product
High Definition Amplifier Modules (HDAM), a separeted module operating as a buffer for the amplifier. The SC-7S1 has four HDAM SAs on each input- output buffer and another four units on the V/I converter. Choke input system In the power supply section, the choke input topology was adopted to drastically reduce rectifier harmonic noise. -
Page 7: Connections
UNBALANCED PUSH This connection can have options i.e. You may connect the units using either balanced or unbalanced cables to connect your SACD/CD and control Amp, as well as the SC-7S1 with MA-9S1s. But you can not inter match. INPUT... -
Page 8: Balanced Terminal
In the event that stereo L ch signal has been wired with A ch input, the signal will come out of the pre-out of the A ch. Please pay attention to L ch, R ch if SC-7S1 is connected with other equipment. -
Page 9: Connection 2 Bi-Amp Connection (Speaker System Needs To Comply With Bi-Amp Connection)
Connection 2 Bi-Amp connection (Make sure your speakers are designed for Bi-Amp capabilities) SACD Player / CD Player RIGHT ANALOG LEFT OUTPUTS UNBALANCED BALANCED SC-7S1 BALANCED SACD/CD PUSH PUSH B I - B I - A M P A M P... -
Page 10: Bi-Amp (Connection)
This connection can have options i.e. You may connect the units using either balanced or unbalanced cables to connect your SACD/CD and control Amp. But you can not inter match. Please select either way of connection. Enhance the connection 1 to Bi-Amp connection, and drive the Bass speaker and Mid/High speakers with separate power Amplifiers. -
Page 11: Connection 3 Complete Bi-Amp Connection (Speaker System Needs To Comply With Bi-Amp Connection)
SACD/CD LINE LINE TAPE TAPE UNBALANCED UNBALANCED PUSH PUSH B I - A M P A M P PUSH PUSH SC-7S1 For L ch Bch can't be used. ATTENUATOR (-dB ATTENUATOR INPUT INPUT BALANCED BALANCED UNBALANCED UNBALANCED PUSH ATTENUATOR (-dB... -
Page 12: Complete Bi-Amp Connection
Enhance connection 2, by having one more control Amp. SC- 7S1, this is a wiring which separates Mid/High signal and Low signal from the Pre-Amp section. In this event, the SC-7S1 is used as Monaural Pre-Amps. And separate Left/Right chan- nels from the output terminal of CD player. -
Page 13: Installing The Sacd Multi-Channel Audio Speakers
4. Connections Installing the SACD multi-channel audio speakers In order to enjoy SACD multi-channel sound with the best possible acoustics, it is recommended that the speaker systems be laid out in compliance with the ITU-R BS.775- 1 recommendation which is a standard formulated by the International Telecommunication Union (ITU). -
Page 14: Connection 4 5.1Ch Multi-Channel Connection
This Connection is standard for Multi-channel sound source. This will enable you to experience the high quality sound acoustic for the professional Home theatre and pure multi channel SACD. The complete system is controlled using 3 SC-7S1 Stereo Control Amplifiers. -
Page 15: Display Section
On, the indicator of the Input Selector will illumi- volume level. By turning the Volume Knob clockwise, the vol- nate for the source selected. The SC-7S1 will be ready in ap- ume will be increased. By turning the Volume Knob counter clock- proximately 8 seconds. -
Page 16: Rear Panel
When only 1 unit is used, the No. will be set 1. Initial setting is <1>. This switch is to give ID numbers to each SC-7S1, when two or more are used. When using only 1, SC-7S1 the ID switch is set to 1. -
Page 17: Remote Controller
Operate the remote control unit (RC-7S1SC) within a dis- tance of approx. 5 m from the infrared signal reception win- dow (remote sensor) on the front of the SC-7S1. Remote control operation may not be possible if the remote control unit’s transmitter is not pointing in the direction of the remote sensor or if there is an obstruction between the transmitter and the remote sensor. -
Page 18: Standard Operation
LINE 1 LINE 2 VOLUME TAPE Power on the SC-7S1. In case you have several SC-7S1s connected, please power on from the smaller No. of ID to the larger No. Once the power is on, the Front display and input indicator for the currently selected source will be illuminated. -
Page 19: How To Operate Functions And How To Set Up
7. How to operate function and how to set up Attenuate function With one touch, the volume can be decreased, instantly. The ATT button on the SC-7S1 or the Remote Control, is used for this function. Unit Remote Controller The volume will be indicated in the display window & the indica- tor above the ATT button will be illuminated. -
Page 20: Trim Adjustment Function
Trim adjustment function You can adjust the output level within -6.0dB–+6.0dB (0.5dB step) for each channel. How to adjust Trim setting In case of 1 unit Press the Trim mode button on the Remote control. Then A ch indicator on the Front display will illuminate red, the Green colored Sync indicator will begin flashing. -
Page 21: How To Operate Function And How To Set Up
If the whole system consist of more than 3 units, please repeat the same procedure and set up the remaining units. Make sure to change the ID # in the SC-7S1 to match the ID # of the amplifier being adjusted. -
Page 22: Specification
8. Specification Specification Maximum output voltage (20Hz-20kHz) ... 13.5V (BALANCED) Total harmonic distortion (20Hz-20kHz)0.0015% (BALANCED) 0.003% (UNBALANCED) Frequency response (+0/-3dB) ... 3Hz–150kHz (BALANCED) 3Hz–150kHz (UNBALANCED) Input sensitivity/Input impedance ... 420mV/20k (BALANCED) 420mV/20k (UNBALANCED) Output impedance ... 220 (BALANCED) S/N (IHF-A) ... 103dB (BALANCED) Channel separation (20kHz) ... -
Page 23: Trouble Shooting
10. Trouble shooting Should faults occur, in many cases it is not necessary to consult your dealer or a Marantz technical service department. On the basis of the following checks you will be able to rectify a number of faults yourself without difficulty. If the fault cannot be remedied after the following checks, please consult your dealer or nearest Marantz service agent. - Page 24 RETAIN YOUR PURCHASE RECEIPT Your purchase receipt is your permanent record of a valuable purchase. It should be kept in a safe place to be referred to as necessary for insurance purposes or when corresponding with Marantz. IMPORTANT When seeking warranty service, it is the responsibility of the consumer to establish proof and date of purchase. Your purchase receipt or invoice is adequate for such proof.
- Page 25 You can find your nearest authorized distributor or dealer on our website. U.S.A. Marantz America, Inc. 1100 Maplewood Drive, Itasca, IL 60143, U.S.A. is a registered trademark.
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