Crown DriveCore Install 4|1250 Manual

Crown Modtager DriveCore Install 4|1250

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Obtaining Other Language Versions: To obtain information in another language about the use of this product, please contact your local Crown Distributor. If you need

assistance locating your local distributor, please contact Crown at 574-294-8000.

This manual does not include all of the details of design, production, or variations of the equipment. Nor does it cover every possible situation which may arise during

installation, operation or maintenance.

The information provided in this manual was deemed accurate as of the publication date. However, updates to this information may have occurred. To obtain the latest

version of this manual, please visit the Crown website at www.crownaudio.com.

Trademark Notice: Com-Tech, BCA, Crown, Crown Audio, Amcron and Multi-Mode are registered trademarks of Crown International. DriveCore, DriveCore Install,

IQwic, PIP and PIP2 are trademarks of Crown International. Other trademarks are the property of their respective owners.

Some models may be exported under the name Amcron®

DCi 2|300

DCi 4|300

DCi 8|300

DCi 2|600

DCi 2|1250

DCi 4|600

DCi 4|1250

DCi 8|600

DCi Series – Analog Input Models

Operation Manual

5040449 - 11/15

DCi Series Power Ampliﬁers

Operation Manual

page 2

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 that produce heat.

9. Do not defeat the safety purpose of the Grounding-type plug. A

polarized plug has two blades with one wider than the other and

should not be used with this product. A grounding-type plug has two

blades and a third grounding prong and is the proper plug for this

product. 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.

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. Use the mains plug to disconnect the apparatus from the mains.

16. WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO

NOT EXPOSE THIS APPARATUS TO RAIN OR MOISTURE.

17. DO NOT EXPOSE THIS EQUIPMENT TO DRIPPING OR SPLASHING

AND ENSURE THAT NO OBJECTS FILLED WITH LIQUIDS, SUCH AS

VASES, ARE PLACED ON THE EQUIPMENT.

18. THE MAINS PLUG OF THE POWER SUPPLY CORD SHALL REMAIN

READILY OPERABLE.

TO PREVENT ELECTRIC SHOCK DO NOT REMOVE TOP COVER. NO

USER SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED

SERVICE PERSONNEL.

TO COMPLETELY DISCONNECT THIS EQUIPMENT FROM THE

AC MAINS, DISCONNECT THE POWER SUPPLY CORD PLUG FROM THE

AC RECEPTACLE. THE MAINS PLUG OF THE POWER SUPPLY CORD

SHALL REMAIN READILY OPERABLE.

WATCH FOR THESE SYMBOLS:

The lightning bolt triangle is used to alert the user to the risk of electric

shock.

The exclamation point triangle is used to alert the user to important

operating or maintenance instructions.

IMPORTANT

DriveCore Install Series ampliﬁers require Class 2 output wiring.

MAGNETIC FIELD

CAUTION! Do not locate sensitive high-gain equipment such as

preampliﬁers or tape decks directly above or below the unit. Because this

ampliﬁer has a high power density, it has a strong magnetic ﬁeld which can

induce hum into unshielded devices that are located nearby. The ﬁeld is

strongest just above and below the unit.

If an equipment rack is used, we recommend locating the ampliﬁer(s) in

the bottom of the rack and the preampliﬁer or other sensitive equipment at

the top.

Important Safety Instructions

FCC COMPLIANCE NOTICE

This device complies with part 15 of the FCC rules. Operation is subject

to the following two conditions: (1) This device may not cause harmful

interference, and (2) this device must accept any interference received,

including interference that may cause undesired operation.

CAUTION: Changes or modiﬁcations not expressly approved by the party

responsible for compliance could void the user’s authority to operate the

equipment.

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 gener-

ates, uses, and can radiate radio frequency energy and, if not installed

and used in accordance with the instruction manual, 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 follow-

ing 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.

DCi Series Power Ampliﬁers

page 3

Operation Manual

DECLARATION OF CONFORMITY

European Representative’s Name and Address:

David J. Budge

10 Harvest Close

Yateley, GU46 6YS

United Kingdom

Equipment Type: Commercial Audio Power Ampliﬁers

Family Name: DCi

Model Names: DCi 2|300, DCi 2|600, DCi 2|1250, DCi 4|300, DCi 4|600, DCi 4|1250, DCi 8|300, DCi 8|600

EMC Standards:

EN 55103-1:2009 EMC Compatibility – Product Family Standard for Audio, Video, Audio-Visual and Entertainment

Lighting Control Apparatus for Professional Use, Part 1: Emissions

EN 55103-1:2009 Magnetic Field Emissions-Annex A @ 10 cm and 20 cm

EN 61000-3-2:2006 Limits for Harmonic Current Emissions (equipment input current less than or equal to 16A

EN 61000-3-3:2008 Limitation of Voltage Fluctuations and Flicker in Low-Voltage Supply systems Rated Current less

than or equal to 16A

EN 55022:2010 Limits and Methods of Measurement of Radio Disturbance Characteristics of ITE: Radiated &

Conducted, Class B Limits

EN 55103-2:2009 EMC Compatibility – Product Family Standard for Audio, Video, Audio-Visual and Entertainment

Lighting Control Apparatus for Professional Use, Part 2: Immunity

EN 61000-4-2:2008 Ed 2.0 EMC Compatibility – Product Family Standard for Audio, Video, Audio-Visual and

Entertainment Lighting Control Apparatus for Professional Use, Part 2: Immunity

EN 61000-4-3:2010 Ed 3.2 Radiated, Radio-Frequency, Electromagnetic Immunity (Environment E2, criteria A)

EN 61000-4-4:2007 Radiated, Radio-Frequency, EMC Immunity (Environment E2, Criteria A)

EN 61000-4-5:2006 Surge Immunity (Criteria B)

EN 61000-4-6:2006 Immunity to Conducted Disturbances Induced by Radio-Frequency Fields (Criteria A)

EN 61000-4-11:2004 Voltage Dips, Short Interruptions and Voltage Variation

Safety Standard:

IEC 60065:2001 Ed 7 +A1:2005 +A2:2010 Safety Requirements – Audio, Video, and Similar Electronic Apparatus

CAN/CSA 60065-03 +A1 +A2 Safety Requirements – Audio, Video, and Similar Electronic Apparatus

UL Std No 60065-03 (2012) Safety Requirements – Audio, Video, and Similar Electronic Apparatus

I certify that the product identiﬁed above conforms to the requirements of the EMC Council Directive 2004/108/EC and the

Low Voltage Directive 2006/95/EC.

Issued By: Harman International.

1718 W. Mishawaka Rd.

Elkhart, IN 46517 U.S.A.

Signed _____________________________

Jeff Denman

Sr. Director of Manufacturing Date of Issue: October 1, 2013

Due to line current harmonics, we recommend that you contact your supply authority before connection.

DCi Series Power Ampliﬁers

Operation Manual

page 4

Important Safety Instructions ............................................................................................................... 2

Declaration of Conformity ................................................................................................................... 3

Table of Contents .............................................................................................................................. 4

Welcome ...................................................................................................................................... 5

Installation .................................................................................................................................... 6

Set-up and System Conﬁguration .......................................................................................................... 7

Front & Back Panel Features ................................................................................................................ 13

Global & Per Channel Settings .............................................................................................................. 14

Protection System ............................................................................................................................ 15

Troubleshooting 16 ...............................................................................................................................

DCi Speciﬁcations ............................................................................................................................ 18

AC Power Draw and Thermal Dissipation .................................................................................................. 21

Service 29 .........................................................................................................................................

Warranty 31 .......................................................................................................................................

Crown Audio Factory Service Information ................................................................................................. 32

Product Registration .......................................................................................................................... 33

Table of Contents

DCi Series Power Ampliﬁers

Operation Manual

page 6

Unpacking

Unpack your ampliﬁer and inspect for any damage that may have occurred during transit. If damage is found, notify the shipping company immediately. Only you can initiate

a claim for shipping damage, though Crown will be happy to help as needed. If the product arrived showing signs of damage, save the shipping carton for the shipper’s

inspection.

We also recommend that you save all packing materials for use if you ever need to transport the unit. Never ship the unit without the factory carton and packing materials.

Additional Materials

FOR INSTALLATION, YOU WILL NEED (not supplied):

• Input wiring cables

• Output wiring cables

• Flathead screwdriver

• Phillips screwdriver

• Rack for mounting ampliﬁer (or a stable surface for stacking)

WARNING: Before you start to set up your ampliﬁer, read and observe the Important

Safety Instructions found at the beginning of this manual.

Install the Ampliﬁer

CAUTION: Before you begin, make sure your ampliﬁer is disconnected from the

power source and that all level controls (see Page 14) are set to INF.

All DCi Series ampliﬁers are 3.5 in. (8.9 cm).high and 19 in. (48.3 cm) wide. All are 14.25

in. (36.2 cm) deep except the DCi8|600 and 4|1250 which is 17 in. (43.2 cm) deep.

(See Figure 1)

Mount the unit in a standard 19-inch (48.3 cm) equipment rack (EIA RS-310B). You can

also place a single amp on a solid, stable surface or stack multiple amps.

NOTE: Ampliﬁers should be supported at both the front and rear of the rack.

Ensure Proper Cooling

When using an equipment rack, mount units directly on top of each other. Close any open

spaces in the rack with blank panels. (Open spaces will reduce cooling efﬁciency.) DO NOT

block front or rear air vents.

The rack should be a minimum of two inches (5.1 cm) away from the ampliﬁer, and the back of

the rack should be a minimum of four inches (10.2 cm) from the ampliﬁer back panel.

Air ﬂow is front to back as illustrated in Figure 2.

Installation

3.5 In.

8.9 cm

14.25 In.

36.2 cm

48.3 cm

19 In.

17 In.

43.2 cm

8|600 and 4|1250

Figure 1

Figure 2

DCi Series Power Ampliﬁers

page 7

Operation Manual

Wire Input Connectors

Crown recommends using pre-built or professionally wired balanced line (two-conductor plus shield).

Balanced wiring provides better rejection of unwanted noise and hum; however, unbalanced line may

also be used. For more information, refer to the Crown Ampliﬁer Application Guide, available online at

www.crownaudio.com.

Use 6-pin plug-in cable ends at the amp input connectors. A male connector is supplied for each input

of your model of ampliﬁer. Additional connectors are available from Crown (P/N 5024623).

Figure 3 shows connector pin assignments for balanced wiring and Figure 4 shows connector pin

assignments for unbalanced wiring. Note that for bridged operation, only the connectors for odd-

numbered channels (1,3,5,7) for each bridged pair need be wired. See Page 9 and 11.

Wire Output Connectors

Crown has designed an output cover that does not need to be removed

to connect the output wiring.

Crown recommends using the included spade connectors and two- or

four-conductor, heavy gauge speaker wire. You may use terminal forks

up to 10 AWG or bare wire for your output connectors (see Figure 5).

For best results, Crown recommends Panduit part #PV10-10LF-L or

equivalent terminal fork. For bare wire, it is highly recommended that

output wiring is tinned. To reduce strain on input and output wiring,

Crown recommends the use of horizontal lacer bars. For best results,

Crown recommends Middle Atlantic part# LBP-4R90 or equivalent

horizontal lacer bar.

To prevent the possibility of short-circuits, wrap or otherwise insulate

exposed loudspeaker cable connectors.

For low-impedance loads, select the appropriate size of wire based on

the distance from ampliﬁer to speaker.

Distance Wire Size

Up to 25 ft. (7.6m) 16 AWG

26-40 ft. (7.9-12.2m) 14 AWG

41-60 ft. (12.5-18.3m) 12 AWG

> 60 ft (18.3m) 10 AWG

CAUTION: Never use shielded cable for output wiring.

CAUTION: Never connect the speaker return to the chassis of the ampliﬁer, or damage to the ampliﬁer may result.

NOTE: Custom wiring should only be performed by qualiﬁed personnel. Class 2 output wiring is required.

Set-up and System Conguration Figure 3

Figure 4

Figure 5

DCi Series Power Ampliﬁers

Operation Manual

page 8

Connect Loudspeakers and Conﬁgure for Loudspeaker Load

Determine load impedances and power requirements

Before making any connections, carefully check and review the total impedance for loudspeaker systems to be connected to each ampliﬁer output. If multiple loudspeakers

are connected to one output (in series, parallel or series-parallel) for Lo-Z operation, be certain the total system impedance is within allowed speciﬁcation for the output.

When multiple loudspeakers are connected to one output for Hi-Z operation, be certain total tapped power is below the rated power output for the channel. For additional

information, please consult Crown’s Ampliﬁer Application Guide (available online at www. crownaudio.com).

Note: Illustrations and some text references are for channel pair 1 - 2 only. Connections and settings are identical for channels 3 – 4 on

four-channel models and for channels 5 – 6 and 7 – 8 on eight-channel models. Each channel pair may be conﬁgured independently on

multichannel models.

Dual Mode Low-Z (8, 4 or 2 Ohm)

Typical input and output wiring, along with Attenuator and Mode DIP Switch settings are shown in Figure 6. Make sure DIP

Switches are in the default OFF (down) position.

INPUTS: Connect the input with wiring in place for each channel. If the same signal is to drive both outputs of a channel pair (“mono”), the signal

must be split externally and applied to both inputs.

OUTPUTS: Maintain proper polarity (+/–) on output connectors. Connect the Channel 1 speaker’s positive (+) lead to ampliﬁer Channel 1 positive terminal;

repeat for negative (–). Repeat Channel 2 wiring as for Channel 1, and for any subsequent channel pairs on multichannel models. Refer to Page 7

for output connector terminal assignments.

Set-up and System Conguration

Always route the input and output wires in separate bundles.

Figure 6 System Wiring Dual Mode

DCi Series Power Ampliﬁers

page 9

Operation Manual

Set-up and System Conguration

Bridge Mode (16, 8, or 4 Ohm)

Typical input and output wiring, along with Attenuator and Mode DIP Switch settings are shown in Figure 7. Make sure the “Hi-Z” selector switches are in the OFF (down)

position and the Bridge (BRG) switch is in the ON (up) position. NOTE: Only the Hi-Z selector switches assigned to odd-numbered channels (1,3,5,7) are active in Bridge