D & b audiotechnik E12 Istruzioni per il montaggio

E12, E12-D

Manual (1.2 EN)

Symbols on the equipment

Please refer to the information in the operating manual.

WARNING!

Dangerous voltage!

Contents

Safety precautions..............................................................3

Information regarding use of loudspeakers.............................................3

E12, E12-D ..........................................................................4

Connections......................................................................................................5

Operation with D6 or D12...........................................................................5

Operation with E-PAC...................................................................................6

Dispersion characteristics...............................................................................7

Altering the HF horn dispersion...................................................................8

Technical specifications...................................................................................9

Manufacturer's declarations............................................10

EU conformity of loudspeakers (CE symbol)..........................................10

WEEE Declaration (Disposal).....................................................................10

General Information

E12, E12-D Manual

Version 1.2 EN, 10/2008, D2031.EN .01

Keep this manual with the product or in a safe place so that it is

available for future reference.

When reselling this product, hand over this manual to the new

customer.

If you supply d&b products, please draw the attention of your

customers to this manual. Enclose the relevant manuals with the

systems. If you require additional manuals for this purpose, you can

order them from d&b.

d&b audiotechnik GmbH

Eugen-Adolff-Strasse 134, D-71522 Backnang, Germany

Telephone +49-7191-9669-0, Fax +49-7191-95 00 00

E-mail: [email protected], Internet: www.dbaudio.com

Safety precautions

Information regarding use of loudspeakers

WARNING! Never stand in the immediate vicinity of loudspeakers driven at a high

level. Professional loudspeaker systems are capable of causing a

sound pressure level detrimental to human health. Seemingly non-

critical sound levels (from approx. 95 dB SPL) can cause hearing

damage if people are exposed to it over a long period.

In order to prevent accidents when deploying loudspeakers on the

ground or when flown, please take note of the following:

When setting up the loudspeakers or loudspeaker stands, make sure

they are standing on a firm surface. If you place several systems on

top of one another, use straps to secure them against movement.

Only use accessories which have been tested and approved by d&b

for assembly and mobile deployment. Pay attention to the correct

application and maximum load capacity of the accessories as detailed

in our specific “Mounting instructions” or in our "Flying system and

Rigging manuals".

Ensure that all additional hardware, fixings and fasteners used for

installation or mobile deployment are of an appropriate size and load

safety factor. Pay attention to the manufacturers' instructions and to

the relevant safety guidelines.

Regularly check the loudspeaker housings and accessories for visible

signs of wear and tear, and replace them when necessary.

Regularly check all load bearing bolts in the mounting devices.

CAUTION! Loudspeakers produce a static magnetic field even if they are not

connected or are not in use. Therefore make sure when erecting and

transporting loudspeakers that they are nowhere near equipment and

objects which may be impaired or damaged by an external magnetic

field. Generally speaking, a distance of 0.5 m (1.5 ft) from magnetic

data carriers (floppy disks, audio and video tapes, bank cards, etc.) is

sufficient; a distance of more than 1 m (3 ft) may be necessary with

computer and video monitors.

E12, E12-D Manual (1.2 EN) Safety precautions - 1

E12, E12-D

Fig. 1: E12 loudspeaker

The E12 is a high performance multipurpose loudspeaker employing an

integrated 12”/1.3” exit coaxial driver design with neodymium magnet

and constant directivity horn loading. It is available in two different

dispersion versions, the E12 providing a 80° x 50° dispersion pattern

(hor. x vert.), the E12-D a wider 110° x 50° pattern. Both horns are

easily rotatable through 90° without the use of tools, providing

50° x 80° or 50° x 110° dispersion patterns.

The E12 is a two way design with a built in passive crossover network.

Its frequency response extends from 50 Hz to above 17 kHz.

E12 and E12-D have identical enclosures constructed from

polyurethane integral hard foam with an impact and weather resistant

black paint finish. The cabinet shape allows use either in a vertical or

horizontal orientation as well as deployment as a stage monitor.

The front of the loudspeaker cabinet is protected by a rigid metal grill

in front of an acoustically transparent foam. The grill can easily be

removed without tools to modify the horn orientation.

The cabinets incorporate a pair of handles, a recessed pole mount

socket and six M10 threaded inserts to connect to different rigging

accessories like Z5352 E12 Flying bracket, Z5354 E8/E12 Flying

adapter, Z5020 Flying adapter 02, Z5025 Flying adapter 03 or Z5353

E12 Horizontal bracket. An additional M10 thread in the rear panel

can be used to connect a safety wire.

NOTICE: Only operate E12 loudspeakers with a correctly configured d&b

amplifier, otherwise there is a risk of damage to the loudspeaker

components.

Please note that E12 and E12-D require different controller setups and

therefore cannot be wired in parallel.

Fig. 2: E12, E12-D SC/WR versions top and

bottom view

E12, E12-D cabinet options

The special color (SC) version of the cabinet is available in all colors of

the RAL color table. It comes without hi stand flange and handles. The

respective openings of the cabinet are covered by plates in cabinet

color. The connector type is NL4.

The weather resistant (WR) version is available in black only. It also

comes without hi stand flange and handles. It is equipped with a fixed

input cable (5 m / 16.4 ft, type H-07-RN-F 2 x 2.5 mm2/AWG 13).

E12, E12-D Manual (1.2 EN) Page 4 of 10

Connections

Fig. 3: Connector wiring

The E12 cabinet is fitted with a pair of EP5 connectors. All five pins of

both connectors are wired in parallel. The E12 uses the pin assignments

1/2. Pins 3/4 and 5 are designated to active subwoofers, where pin 5

is used for SenseDrive (only available when using a D12 amplifier and

5-wire cabling). Using the male connector as the input, the female

connector allows for direct connection to additional loudspeakers.

The E12 can be supplied with NL4 connectors as an option.

Pin equivalents of EP5 and NL4 connectors and the fixed cable option

are listed in the table below.

EP5 12345

NL4 1+ 1– 2+ 2– n.a.

Fixed cable (PG) Brown (+) Blue (–)

Operation with D6 or D12

Select the controller setups E12 or E12-D.

Within the D12 amplifier they are available in "Dual Channel" and

"Mix TOP/SUB" mode. For combinations with active subwoofers fed by

a single 4/5-wire cable "Mix TOP/SUB" mode must be selected.

D6 and D12 provide the additional setups E12-X and E12-DX to be

selected when E12 or E12-D cabinets are used in combination with

passive E15X-SUB loudspeakers on the same channel. They provide a

dedicated correction for the combined frequency response of these

systems.

Selecting the E12 (E12-D) setup enables up to a total of two E12 (E12-

D) loudspeakers to be driven by the respective D12 or D6 channel.

Selecting the E12-X (E12-DX) setup enables a combination of one E12

(E12-D) and one E15X-SUB to be driven by the respective D12 or D6

channel.

In applications with low continuous levels and low ambient

temperatures up to three cabinets can be connected to a D12 channel.

Controller settings

For acoustic adjustment the functions CUT, HFA and CPL can be

selected.

CUT circuit

Set to CUT, the E12 low frequency level is reduced. The E12 is now

configured for use with E15X-SUB in active mode or other d&b active

subwoofers.

E12, E12-D Manual (1.2 EN) Page 5 of 10

HFA circuit

-5

-10

-15

-20

-25

-30

20 100 1k 10k 20k

Fig. 4: Frequency response correction of

HFA circuit

In HFA mode (High Frequency Attenuation), the HF response of the E12

system is rolled off. The HFA circuit provides a natural, balanced

frequency response when a unit is placed close to listeners in near field

or delay use.

High frequency attenuation begins gradually at 1 kHz, dropping by

approximately 3 dB at 10 kHz. This roll-off mimics the decline in

frequency response experienced when listening to a system from a

distance in a typically reverberant room or auditorium.

CPL circuit

Fig. 5: Frequency response correction of

CPL circuit

The CPL (Coupling) circuit compensates for coupling effects when

building closely coupled arrays or when the cabinet is used as a stage

monitor. CPL begins gradually at 1 kHz, with maximum attenuation

below 250 Hz, providing a balanced frequency response when E12

cabinets are used in arrays of two or more. The function of the CPL

circuit is shown in the diagram opposite and can be set in dB

attenuation values between –9 and 0, or a positive CPL value which

creates an adjustable low frequency boost around 65 Hz (0 to +5 dB).

Operation with E-PAC

Selecting E12 or E12-D mode enables the E-PAC to drive one E12

loudspeaker. LO IMP mode configures the E-PAC to drive a maximum

of two E12 loudspeakers with a 6 dB reduction in input level to the

loudspeakers.

For acoustic adjustment the functions CUT and HFA can be selected.

The characteristics of the CUT and HFA settings are explained in the

previous section "Operation with D6 or D12".

E12, E12-D Manual (1.2 EN) Page 6 of 10

Dispersion characteristics

The graphs below show dispersion angle over frequency of a single

E12 cabinet plotted using lines of equal sound pressure (isobars) at

– 6 dB and –12 dB.

Fig. 6: Isobar diagram E12 horizontal,

standard setup

Fig. 7: Isobar diagram E12 vertical,

standard setup

Fig. 8: Isobar diagram E12 horizontal,

horizontal setup with the horn rotated

Fig. 9: Isobar diagram E12 vertical,

horizontal setup with the horn rotated

Fig. 10: Isobar diagram E12-D horizontal,

standard setup

Fig. 11: Isobar diagram E12-D vertical,

standard setup

Fig. 12: Isobar diagram E12-D horizontal,

horizontal setup with the horn rotated

Fig. 13: Isobar diagram E12-D vertical,

horizontal setup with the horn rotated

E12, E12-D Manual (1.2 EN) Page 7 of 10

Altering the HF horn dispersion

The HF horn can be rotated through 90° within the coaxial driver

assembly.

CAUTION !

Potential risk of personal injury due to falling objects.

- Set the correct horn orientation before suspending the

cabinet.

- Do not remove the front grill while the cabinet is mounted or

flown above the ground.

Tools required: screw driver or an appropriate coin.

- Undo the quick locks at the top and bottom of the front grill and

remove the grill

- Pick the horn at its outer edges and turn it until it snaps into the

desired orientation.

- Relocate and fix the front grill.

CAUTION: Make sure both quick locks of the front grill are locked

correctly before using the loudspeaker.

E12, E12-D Manual (1.2 EN) Page 8 of 10

Fig. 14: E12 frequency response, standard

and CUT settings

Fig. 15: E12-D frequency response,

standard and CUT settings

Technical specifications

E12, E12-D system data

Frequency response (–5 dB standard)..................................................50 Hz ... 18 kHz

Frequency response (–5 dB CUT mode)............................................100 Hz ... 18 kHz

Max. sound pressure (1 m, free field) E12/E12-D with D12................134/133 dB

Max. sound pressure (1 m, free field) E12/E12-D with D6...................131/130 dB

(SPLmax peak, pink noise test signal with crest factor of 4)

Input level (100 dB-SPL/1 m).................................................................................–17 dBu

E12, E12-D loudspeakers

Nominal impedance....................................................................................................8 ohms

Power handling capacity (RMS / peak 10 ms)........................................300/1600 W

Nominal dispersion angle (hor. x vert.).....................................80° x 50°, 110° x 50°

Components.............................................................12“ driver with neodymium magnet

.................coaxial 1.3” exit compression driver with 3“ coil and rotatable CD horn

.......................................................................................................Passive crossover network

Connections...................................................................................................................2 x EP5

.........................................................................................Optional and SC option: 2 x NL4

............WR option: Fixed cable 5 m (16.4 ft) (H-07-RN-F 2 x 2.5 mm2/AWG 13)

Pin assignments..........................................................................................................EP5: 1/2

.................................................................................................................................NL4: 1+/1–

...............................................................................................Fixed cable: Brown + / Blue –

Weight..................................................................................................................16 kg (35 lb)

350 [13.8]

580 [22.8]334 [13.2]

Fig. 16: E12, E12-D cabinet dimensions in mm [inch]

E12, E12-D Manual (1.2 EN) Page 9 of 10

Manufacturer's declarations

EU conformity of loudspeakers (CE symbol)

This declaration applies to

E12/E12-D loudspeaker, Z0601/Z0602

manufactured by d&b audiotechnik GmbH.

All production versions of these types are included, provided they

correspond to the original technical version and have not been subject to

any later design or electromechanical modifications.

We herewith declare that said products are in conformity with the

provisions of the respective EC directives including all applicable

amendments.

A detailed declaration is available on request and can be ordered from

d&b or downloaded from the d&b website at www.dbaudio.com.

WEEE Declaration (Disposal)

Electrical and electronic equipment must be disposed of separately from

normal waste at the end of its operational lifetime.

Please dispose of this product according to the respective national

regulations or contractual agreements. If there are any further questions

concerning the disposal of this product please contact d&b audiotechnik.

D2031.EN .01, 10/2008 © d&b audiotechnik GmbH

d&b audiotechnik GmbH, Eugen-Adolff-Str. 134, D-71522 Backnang, Germany, Phone +49-7191-9669-0, Fax +49-7191-95 00 00

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