SpeakerCraft SC12-30 Installation Manual
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SpeakerCraft SC12-30 Installation Manual

Multi-channel amplifier
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SC12-30
Multi-Channel aMplifier
installation guide

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Summary of Contents for SpeakerCraft SC12-30

  • Page 1 SC12-30 Multi-Channel aMplifier installation guide...

  • Page 2: Table Of Contents

    Thank you for purchasing the SpeakerCraft SC12-30, one of the most versatile and powerful multi-channel amplifiers ever offered. Like all SpeakerCraft products, the SC12-30 is built to the highest standards of quality and reliability. With proper installation and operation, you’ll enjoy years of trouble-free use.
  • Page 3 “Mains Plug”) is used as the disconnect device and shall remain accessible and operable at all times. 18. Do not expose batteries to excessive heat such as sunshine, fire or the like. SpeakerCraft – 1-800-472-5555 – 1-707-778-5733...

  • Page 4: Introduction

    When SpeakerCraft set out to develop the custom installation industry’s most complete line of amplifiers, we knew we had to have answers for the variety of situations that you encounter.

  • Page 5: Features And Benefits

    FEATURES ANd BENEFITS REAL wORLd pOwER The SC12-30 is a 12-channel amplifier that delivers a solid 30 watts per channel RMS into 8 ohms and 40 watts per channel RMS into 4 ohms. A new digital power transformer design provides the energy necessary to efficiently deliver solid, deep, controlled bass response to a house full of speakers.
  • Page 6 1. Manual turn-on via the front panel switch and 2. Audio Sense and 3. External Voltage trigger. Audio Sense and External Voltage trigger modes enable you to configure the SC12-30 to interface with any kind of system and turn on automatically. AUTOmATIC pROTECTION Each channel has independent thermal and short circuit protection.

  • Page 7: System Design Basics

    SpeakerCraft makes volume controls in various styles and colors. When designing your system, take into account who will use the system and when they will use it. Consult your local SpeakerCraft dealer for more information. Figure 1 Blu-ray...
  • Page 8 TV in surround sound while Mom and Dad are reading the paper and enjoying background music in the living room. Figure 2 Blu-ray Cable Player Player RECEIVER RECEIVER Family Room Living Room Listening Zone 1 Listening Zone 2 www.SpeakerCraft.com...

  • Page 9: System Design Considerations

    SySTEm dESIGN CONSIdERATIONS SpEAkER COmpATIBILITy A single channel (not bridged) of the SC12-30 is capable of driving a 4 ohm impedance speaker load. No more than two 8 ohm speakers or no more than one 4-6 ohm speaker can be safely connected to a single channel. Proper ventilation of the SC12-30 is critical when driving lower impedance loads.
  • Page 10 You will actually deliver more power to two pairs of 8 ohm speakers by using two unbridged amplifier channels than you would if you bridged four amplifier channels into two and connected the two pairs of speakers in parallel. www.SpeakerCraft.com...

  • Page 11: Applications

    SC12-30 BusMatrix™ you dedicate a robust 30 watts to each speaker in your multi-room system as shown in Figure 3. Each channel of the SC12-30 has its own level control so you can compensate for architectural differences that create sonic imbalances. In addition, you can fine tune the system so that when all of the room volume controls are set to the loudest level, the large rooms and the small rooms play at the same volume.
  • Page 12 Most of today’s Dolby Digital Audio Video Receivers include a second zone preamplifier output to create a second listening zone. Using this output with the SC12-30 BusMatrix™ input provides amplification for multiple rooms within a second listening zone as shown in Figure 4.
  • Page 13 In the ultimate Multi-Zone system, you connect six stereo preamplifiers (or a single component multi-zone/multi-source preamplifier) to the dedicated inputs of SC12-30. These dedicated input signals are then routed to the appropriate amplifier channels via dip switch settings creating completely independent listening zones.
  • Page 14 In the ultimate Multi-Zone system, you connect stereo preamplifiers (or a single component multi-zone/multi-source preamplifier) to the dedicated inputs of SC12-30. These dedicated input signals are then routed to the appropriate amplifier channels via dip switch settings creating completely independent listening zones.

  • Page 15: Configuring Your System

    12 C h a n n e l , B ri d ge a Bl e P o w e r a m P l if ie rs CONFIGURING yOUR SySTEm Because the SC12-30 offers so many configuration possibilities it is important to plan carefully before you install it. Draw a block diagram of your system and use the Configuration Worksheet on page 27 to record how you plan to connect your SC12-30.

  • Page 16: Installation Considerations

    INSTALLATION CONSIdERATIONS Automating the turn-on of your SC12-30 is one of the easiest steps when installing it in a distributed system. However, do not plug the main power cord into the switched AC outlet of your preamplifier or receiver. The high power design of the SC12-30 requires large amounts of current from its AC power source.
  • Page 17 INSTALLATION CONSIdERATIONS pLACEmENT Place the SC12-30 on a flat, level surface like a table or shelf. It should be placed upright so that its weight rests on the unit’s four feet. PLACING THE WEIGHT OF THE AMPLIFIER ON THE REAR OR FRONT PANEL FOR EVEN AN INSTANT WILL RESULT IN DAMAGE TO THE AMPLIFIER’S CONNECTORS AND CONTROLS.

  • Page 18: Front And Rear Panel Details

    BusMatrix™ of the SC12-30 S C12-30 This Class B digital apparatus complies with Canadian ICES-003. M u l t i - C h a n n e l Cet appareil numérique de la classe B est conforme à...
  • Page 19 220-240V : T5AL/250V 100-120 / 220-240 V~ CLASS II WIRING CLASS II WIRING CLASS II WIRING 50 / 60 Hz, 500W Removable Two-prong Dual banana spaced binding post for 16 gauge 6’ AC power cord speaker connections SpeakerCraft – 1-800-472-5555 – 1-707-778-5733...

  • Page 20: Installation

    The connectors are gold-plated RCA phono jacks. Connect them to another amplifier’s inputs with a standard audio patch cable. The outputs are not buffered; if you wish to daisy-chain more than 5 SpeakerCraft amplifiers you will need a buffered distribution amplifier.

  • Page 21: Speaker Wire Connections

    1. label all wires. terminal of the Sc12-30 they are connected to, it will be easier to reconfigure your system in the future. a. Split the speaker wire insulation so that at least two inches 2.
  • Page 22 “on” position four of the switches to the “on” position. if you accidentally for each channel. set more than one switch “on”, you will create an undesirable mix of inputs on the entire bus. www.SpeakerCraft.com...
  • Page 23 12 C h a n n e l , B ri d ge a Bl e P o w e r a m P l if ie rs INSTALLATION BRIdGING TwO ChANNELS INTO ONE The SC12-30’s bridging switches allow you to create a more powerful amplifier channel by combining or “bridging” two adjacent channels. This Class B digital apparatus complies with Canadian ICES-003.

  • Page 24: Mode Switch

    INSTALLATION SETTING ThE TURN-ON TURN ON MODE mOdE SwITCh AUDIO SENSE 3-30V The SC12-30 has three turn-on modes. Select AC/DC the mode you want by sliding the mode switch. CONSTANT TRIGGER INPUT See Installation Considerations on page 16 for more information about each of the turn-on modes.

  • Page 25: Operation

    SpeakerCraft Multi-Channel Amplifier itself. CLEANING ANd mAINTENANCE The internal parts of the SC12-30 are electronic and require no maintenance. Once a year it is appropriate to twist the RCA connectors on each input to remove any oxidation and improve conductivity.
  • Page 26 The rear panel Input Level adjustment screws allow you to adjust the level of the SpeakerCraft System Integration Amplifier relative to other amplifiers in your system and / or to limit maximum safe gain to protect speakers in the system.
  • Page 27 Input Level Control adjustments to minimize the chance of a reoccurrence. Perpetually overdriving your speakers and amplifier is considered abuse and will void the manufacturer’s warranty of all affected products. SpeakerCraft – 1-800-472-5555 – 1-707-778-5733...

  • Page 28: Troubleshooting Guide

    TROUBLE-ShOOTING GUIdE When there is a problem consult this guide first. If the problem persists, or you have additional questions, call your local SpeakerCraft dealer or call SpeakerCraft Technical Support at 1-800-472-5555. The most common problems relate to hook up. Have your configuration worksheet handy when you call.

  • Page 29: Specifications

    Left Main Bus Configuration Right Main Bus Worksheet can Cascade Output be enlarged on BRIDGED INPUT SOURCE SPEAKER a photocopier. MODE SETTINGS IN USE SPECIAL Constant Audio Sense Voltage Trigger Control Output SpeakerCraft – 1-800-472-5555 – 1-707-778-5733...
  • Page 30 This warranty is not transferable to subsequent purchasers of the product. To obtain warranty service, contact the authorized dealer where you purchased your product or take the unit to the nearest authorized SpeakerCraft dealer (with proof of purchase – claims made without proof of purchase will be denied) who will test the product and if necessary, forward it to Core Brands for service.
  • Page 31 17 ¼” (43.81 cm) wide overall 5 ¾” (14.5 cm) high (including feet) Dimensions 16 ¼” (41.1 cm) deep Weight weight 35lb., 15.8 kg aC mains: 100-120 / 220-240 V~, 50 / 60 hz, 500w SpeakerCraft – 1-800-472-5555 – 1-707-778-5733...
  • Page 32 1 - 8 0 0 - 4 7 2 - 5 5 5 5 – w w w . s p e a k e r C r a f t . c o m ©2014 Core Brands, LLC. All rights reserved. SpeakerCraft is a registered trademark of ®...
  • Page 33 Blank no page no print...
  • Page 34 Job: SpeakerCraft Size: 8,5” x 11” -> print pdf SpeakerCraft SC12-30 Installation Guide – 32 pages 1/1 color black only Final print pdf – Rev A ’English’ ONLY 09/02/2014 Format: 5.5” x 8.5” (open format 8.5” x 11”) Questions? Juergen 707 - 778- 5826...
  • Page 35 P/N 10001834 Rev. A 09/2014...

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