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12 Channel, BridgeaBle Power amPlifiers

SpeakerCraft – 1-800-472-5555 – 1-707-778-5733

ImpORTANT SAFETy INSTRUCTIONS

1. Read these instructions.

2. Keep these instructions.

3. Heed all warnings.

4. Follow all instructions.

5. Do not use this apparatus near water.

6. Clean only with a dry cloth.

7. Do not block any ventilation openings. Install in 
accordance with the manufacturer’s instructions.

8. Do not install near any heat sources such as 
radiators, heat registers, stoves or other apparatus 
(including amplifiers) that produce heat.

9. Do not defeat the safety purpose of the polarized 
or grounding-type plug. A polarized plug has two 
blades with one wider than the other. A grounding-
type plug has two blades and a third grounding 
prong. The wide blade or the third prong is provided 
for your safety. If the provided plug does not fit into 
your outlet, consult an electrician for replacement of 
the obsolete outlet.

10. Protect the power cord from being walked on 
or pinched, particularly at plugs, convenience 
receptacles and the point where they exit from the 
apparatus.

11. Only use attachments/accessories specified by 
the manufacturer.

12. Use only with the cart, stand, 
tripod, bracket or table specified by the 
manufacturer or sold with the apparatus. 
When a cart is used, use caution when 
moving the cart/apparatus combination 
to avoid injury from tip-over.

13. Unplug this apparatus during lightning storms or 
when unused for long periods of time.

14. Refer all servicing to qualified service personnel. 
Servicing is required when the apparatus has been 
damaged in any way, such as power supply cord or 
plug is damaged, liquid has been spilled or objects 
have fallen into the apparatus, the apparatus has 
been exposed to rain or moisture, does not operate 
normally, or has been dropped.

15. Do not expose this apparatus to dripping or 
splashing and ensure that no objects filled with 
liquids, such as vases, are placed on the apparatus.

16. To completely disconnect this apparatus from 
the AC Mains, disconnect the power supply cord 
plug from the AC receptacle.

17. The power supply cord (sometimes referred 
to as the “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.

19. Open flame sources, such as lighted candles, 
should NOT be placed on the apparatus.

WARNING: To reduce the risk of fire or electric 
shock, do not expose this apparatus to rain or 
moisture.

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.

 The exclamation point within an 
equilateral triangle is intended to alert 
the user to the presence of important 
operating and maintenance (servicing) 

instructions in the literature accompanying the 
product. 

FCC Required Text

:

NOTE: This equipment has been tested and found 
to comply with the limits for a Class B digital 
device, pursuant to part 15 of the FCC Rules. 
These limits are designed to provide reasonable 
protection against harmful interference in a 
residential installation. This equipment generates, 
uses, and can radiate, radio frequency energy 
and, if not installed and used in accordance with 
the instructions, may cause harmful interference 
to radio communications. However, there is no 
guarantee that interference will not occur in a 
particular installation. If this equipment does cause 
harmful interference to radio or television reception, 
which can be determined by turning the equipment 
off and on, the user is encouraged to try to correct 
the interference by one or more of the following  
measures:

—Reorient or relocate the receiving antenna.

—Increase the separation between the equipment 
and receiver.

—Connect the equipment into an outlet on a 
circuit different from that to which the receiver is 
connected.

—Consult the dealer or an experienced radio/TV 
technician for help.

Changes or modifications not expressly approved 
by the party responsible for compliance could void 
the user’s authority to operate the equipment.

Содержание SC12-30

Страница 1: ...SC12 30 Multi Channel Amplifier installation guide...

Страница 2: ...lity and reliability With proper installation and operation you ll enjoy years of trouble free use TABLE OF CONTENTS INTRODUCTION 4 FEATURES AND BENEFITS 5 SYSTEM DESIGN BASICS 7 SYSTEM DESIGN CONSIDE...

Страница 3: ...onnect the power supply cord plug from the AC receptacle 17 The power supply cord sometimes referred to as the Mains Plug is used as the disconnect device and shall remain accessible and operable at a...

Страница 4: ...eliver the power and fidelity you demand whether you need a couple of channels for stereo or you want to distribute music throughout your home When SpeakerCraft set out to develop the custom installat...

Страница 5: ...dvanced PCB construction ensuring extremely high channel to channel isolation Signal to noise ratios and cross talk are equivalent to a professional mixing board found in a recording studio With the S...

Страница 6: ...igger 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 independen...

Страница 7: ...listening zone can consist of a single room or a group of rooms To achieve different volumes and greater convenience in different rooms within a zone individual volume controls can be used SpeakerCra...

Страница 8: ...eir family room wired for surround sound and their living room wired for background music In a two zone system the children can watch TV in surround sound while Mom and Dad are reading the paper and e...

Страница 9: ...ion Considerations on page 16 When designing your system try to specify 6 8 ohm speakers SpeakerCraft offers a complete line of inwall in ceiling outdoor and home theater loudspeakers with all models...

Страница 10: ...wer There are several situations where bridging is an excellent way to improve the sound There are also applications where bridging would seem to be appropriate but is not recommended Bridging channel...

Страница 11: ...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 s...

Страница 12: ...a second listening zone as shown in Figure 4 In addition in this example high power is supplied to the patio stereo speakers by bridging channel pair 9 and 10 for the left speaker and bridging channe...

Страница 13: ...s are then routed to the appropriate amplifier channels via dip switch settings creating completely independent listening zones Multi Zone systems enable listeners located in the separate zones to sim...

Страница 14: ...hese dedicated input signals are then routed to the appropriate amplifier channels via dip switch settings creating completely independent listening zones Multi Zone systems enable listeners located i...

Страница 15: ...ed out according to the block diagram on page 10 BUS INS OUTS CONNECTED TO CH BRIDGED DIP INPUT SOURCE SPEAKER MODE SETTINGS IN USE SPECIAL Left Main Bus Right Main Bus Cascade Output Constant Audio S...

Страница 16: ...sensing circuitry looks for a signal present at any of the audio inputs If it detects a signal the adjacent pair of amplifier channels i e channel 1 2 3 4 etc assigned to receive the input signals wi...

Страница 17: ...chassis If the amplifier is located on a carpeted surface place a board under the amplifier s feet Do not block the ventilation holes on the top and bottom of the SC12 30 The SC12 30 is equipped with...

Страница 18: ...BRIDGED BRIDGED 5 6 LEVEL BUS USE CH 6 WHEN BRIDGED BRIDGED 4 MINIMUM 8 MINIMUM IN BRIDGED MODE CLASS II WIRING 6 BUS L R L R 5 L R L R 6 7 LEVEL BRIDGED B 7 BUS USE CH 8 WHEN BRIDGED BRIDGED 4 MINIMU...

Страница 19: ...EPLACE WITH SAME TYPE AND RATING FUSE 100 120V T10AL 250V FUSE 100 120V 220 240V 220 240V T5AL 250V This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditi...

Страница 20: ...plifier channels in bridged mode connect the input cable to the even numbered amplifier input jack Connect outputs from your sources to inputs on the amplifier Never connect a source or preamplifier s...

Страница 21: ...k at the end of the amplifier s binding post Dual banana plugs will fit the binding post STEP DESCRIPTION 1 Label all wires If you label the wires for their destination rather than which terminal of t...

Страница 22: ...r Left L Right R or Mono L R To assign the channel s dedicated input select the fourth switch Only ONE switch should be selected to the ON position STEP DESCRIPTION Move only ONE switch to the ON posi...

Страница 23: ...nction box to the output of a bridged channel pair These connections to a bridged channel pair will result in either thermal shutdown or poor quality sound 3 Use the EVEN NUMBERED input DIP switch and...

Страница 24: ...s present only when the amplifier is active or on When the amplifier turns off the 12V signal is off TURN ON MODE AUDIO SENSE CONSTANT 3 30V AC DC TRIGGER INPUT Slide the switch with either your finge...

Страница 25: ...s in the OFF position Power LED The power LED indicates that the AC cord is plugged into a working AC power receptacle and that the power switch is in the On position Bicolor Status LED The bicolor St...

Страница 26: ...setting 3 Play a loud radio station with the tuner set to Mono 4 Raise the volume of your preamplifier or receiver SLOWLY if you hear any sound lower the volume and recheck that all of your amplifier...

Страница 27: ...small room It is possible even if you are not a teenager to turn the volume so high that the amplifier runs out of power This creates clipping distortion Clipping distortion can be first detected in t...

Страница 28: ...other speaker Audio cable to dedicated input is bad Connect the non working channel input to another cable that is known to be good Bridging Switch is in the wrong position Check your configuration wo...

Страница 29: ...es BusMatrix DIP switches are not in the correct positions Check your configuration worksheet and verify all settings Normal volume cannot be reached One of the internal amplifier fuses is blown Retur...

Страница 30: ...duct provided under this warranty This Warranty will be void if the Serial Number on the product has been removed tampered with or defaced the product was not purchased from an authorized dealer or re...

Страница 31: ...l into 4 Ohms all channels driven Continuous Average Power Output Bridged 80 watts RMS per channel into 8 Ohms Frequency Response 20Hz to 20kHz 0dB 3dB Signal to Noise Ratio 20Hz to 20kHz unweighted 8...

Страница 32: ...o set forth all technical and other specifications Designed and engineered in the USA 10001834 Rev A 1 8 0 0 S o u t h M c D o w e l l B l v d P e t a l u m a C A 9 4 9 5 4 1 7 0 7 7 7 8 5 7 3 3 1 8 0...

Страница 33: ...Blank no page no print...

Страница 34: ...aft Size 8 5 x 11 print pdf SpeakerCraft Installation Guide SC12 30 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...

Страница 35: ...P N 10001834 Rev A 09 2014...

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