Model SC-7S1 User Guide Stereo Control Amplifier
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 The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of uninsulated “dangerous voltage” within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons.
IMPORTANT SAFETY INSTRUCTIONS READ BEFORE OPERATING EQUIPMENT This product was designed and manufactured to meet strict quality and safety standards. There are, however, some installation and operation precautions 14. Protective Attachment Plug – The product is equipped with an attachment plug having overload protection. This is a safety feature. See the Instruction Manual for replacement or resetting of the protective device.
Table of Contents 1. Instruction for use ................................................................................................................. 2 Foreword ................................................................................................................................................................................. 2 Equipment mains setting ..............................................................................................................................................
1. Instruction for use ■ Foreword 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. “SC7S1/U1G” version product can be powered by 120 V AC only. ■ Copyright Recording and playback of any material may require consent.
3. Main features of this product ● The concept: channel separation for super wide range & dynamic audio We think it’s of the utmost importance to extend high frequency response as well as channel separation so you can hear the true meaning of “Super Audio.” This is why we have designed the input and output circuitry, volume control section, and power supply circuits according to this philosophy. The result: an astonishing channel separation of over 100dB at 20kHz.
4. Connections Connection 1 Stereo connection SACD Player / CD Player CD Recorder / Tape Deck 4 5 6 3 7 2 8 1 9 0 10 POWER RIGHT ANALOG OUTPUTS LEFT L UNBALANCED R OUTPUT INPUT ANALOG BALANCED 1 1 or ID NO. 1 2 3 SC-7S1 Setting 1 4 5 6 INPUT BALANCED PUSH SACD/CD 1 LINE 2 TAPE REC OUT PRE OUT UNBALANCED 1 2 REMOTE CONTROL BALANCED ID NO.
4. Connections Connection 1–4 are recommended by Marantz for SC-7S1 with Marantz MA-9S1. If using the MA-9S1s, Please read the instruction manual for the MA-9S1. Name and Function → P13 Standard set-up in using Marantz Monaural Power Amp MA-9S1. Please refer to this connection in the event of using other Power Amps also. ● ● SC-7S1 doesn't have a Phono equalizer. So in the event of using a turn table, please use a Phono equalizer to connect with the SC-7S1.
4. Connections Connection 2 Bi-Amp connection (Make sure your speakers are designed for Bi-Amp capabilities) SACD Player / CD Player CD Recorder / Tape Deck 4 5 6 3 7 2 8 1 9 0 10 POWER RIGHT ANALOG OUTPUTS LEFT L UNBALANCED R OUTPUT INPUT ANALOG BALANCED 1 1 or ID NO. 1 2 3 SC-7S1 Setting 1 4 5 6 INPUT BALANCED PUSH SACD/CD 1 LINE 2 TAPE REC OUT PRE OUT UNBALANCED 1 2 REMOTE CONTROL BALANCED ID NO.
4. Connections 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. ■ Bi-Amp (connection) The benefits of Bi-Wiring; drive the Bass speaker and Mid/High speakers with separate power Amplifiers.
4. Connections Connection 3 Complete Bi-Amp connection (Make sure your speakers are designed for Bi-Amp capabilities) SACD Player / CD Player CD Recorder / Tape Deck 4 5 6 3 7 2 8 1 9 0 10 POWER RIGHT ANALOG OUTPUTS LEFT UNBALANCED L BALANCED 1 R 1 OUTPUT INPUT ANALOG To connect analog output Lch of FM tuner, VCR. To connect analog output Rch of FM tuner, VCR. ID NO. 1 ID NO.
4. Connections 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. Your Control Amp & Power Amp can also be wired the same way. Please select either way of connection. ■ Complete Bi-Amp connection Enhance connection 2, by having one more control Amp. SC7S1, this is a wiring which separates Mid/High signal and Low signal from the Pre-Amp section.
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.7751 recommendation which is a standard formulated by the International Telecommunication Union (ITU). SACD multi-channel discs are recorded and mixed in such a way that they will achieve the optimum effects when the speaker systems are laid out as per the ITU-R BS.
4. Connections 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.
5. Name and function Front panel Display section 햲 Power switch 햶 Volume knob I The switch is used to Power the unit ON and or OFF. Once the unit is powered On, the indicator of the Input Selector will illuminate for the source selected. The SC-7S1 will be ready in approximately 8 seconds. The Volume knob is used to increase & decrease the overall volume level. By turning the Volume Knob clockwise, the volume will be increased. By turning the Volume Knob counter clockwise, the volume will decrease.
5. Name and function Rear panel 1 Input Balanced terminal 7 ID No. switch This terminal is to connect the components which have balanced outputs i.e. SACD, CD Player. When Bi-Amping, terminal B can not be used. Balanced terminal → p5 This terminal is to connect the unbalanced terminals of components., i.e. SACD, CD etc. When Bi-Amping, terminal B can not be used. Whilst several SC-7S1 are connected, to set up respective ID No. to distinguish each products. When only 1 unit is used, the No.
5. Name and function ■ For using the Remote Control Remote controller ● 1 Loading batteries Before using the supplied remote control for the first time, load the batteries in the remote control. The batteries provided are used only to verify the operations of the remote control. Remove the battery cover which is found on the back side of the remote control.
6. Standard operation 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.
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 Press the ATT button, the attenuation level will be changed with every press. Remote Controller E EXIT ATT or Attenuate function TRIM level Setting B The volume will be indicated in the display window & the indicator above the ATT button will be illuminated.
7. How to operate function and how to set up ■ Trim adjustment function You can adjust the output level within -6.0dB–+6.0dB (0.5dB step) for each channel. ● Once the Trim-B button ▲ or ▼ on Remote control is pressed, Indicator on the A ch will be turned off, the indicator on the B ch will be illuminated. Then Sync indicator remains flashing Green. How to adjust Trim setting In case of 1 unit stereo control amplifier sc- 7s1 Press the Trim mode button on the Remote control.
7. How to operate function and how to set up If using more than 1 SC-7S1 Set up the ID numbers to the respective SC-7S1s to identify each of the SC-7S1s. Set up the ID No. switch <1> for the main unit of the SC7S1 to control others, which is called unit. The ID No. set up will be indicated in the display window for 3 seconds when the unit is powered on. stereo control amplifier sc- 7s1 A SYNC Please refer to p.17 for Trim adjustment .
8. Specification ■ Specification ■ Dimensions Unit: mm Maximum output voltage (20Hz-20kHz) .... 13.5V (BALANCED) 13.5V (UNBALANCED) 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/20kΩ (BALANCED) 420mV/20kΩ (UNBALANCED) Output impedance ................................................. 220Ω (BALANCED) 220Ω (UNBALANCED) S/N (IHF-A) ........
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. The unit does not turn ON 1.
WARRANTY For warranty information, contact your local Marantz distributor. 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. FOR U.K.
www.marantz.com 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.
