D & b audiotechnik F1222 Istruzioni per il montaggio

F1222

Manual

(3.0E)

General Information

F1222 Manual

Version 3.0E, 10/2003, D2087.E.03

The information contained in this manual has been carefully

chec ed for accuracy, at the time of going to press, however no

guarantee is given with respect to the correctness.

d&b audiotechni AG accepts no responsibility for any errors or

inaccuracies that may appear in this manual or the products and

software described in it.

Technical specifications, dimensions, weights and properties do not

represent guaranteed qualities.

As manufacterers we reserve the right to ma e alterations and

modifications within the framewor of legal provisions, as well as

changes aimed at improving quality.

d&b audiotechni AG

Eugen-Adolff-Strasse 134, D-71522 Bac nang, Germany

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

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

References in the manual

WARNING

This refers to a potentially dangerous situation

which may lead to personal injury.

CAUTION

This refers to a potentially dangerous situation

which may lead to damage to the equipment.

IMPORTANT

This refers to a situation which may cause the

equipment to malfunction.

Symbols on the equipment

Please refer to the information in the operating

manual.

WARNING

Dangerous voltage

F1222 Manual (3.0E) Page 3 of 8

F1222 Manual (3.0E) Safety instructions

Safety precautions

Before you use our products, read the manual

carefully and observe all the safety precautions.

They will protect you and help to avoid equipment

failures.

Keep this manual in a safe place so that it is

available for future reference.

If you supply d&b products, please draw the

attention of your customers to these safety

guidelines. Enclose the relevant manuals with the

systems. If you require additional manuals for this

purpose, you can order them from d&b.

Information regarding use of loudspeakers

WARNING

Never stand in the immediate vicinity of loudspea ers driven at a

high level. Professional loudspea er 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 loudspea ers on the

ground or when flown, please ta e note of the following:

When setting up the loudspea ers or loudspea er stands, ma e 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 chec the loudspea er housings and accessories for visible

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

Regularly chec all load bearing bolts in the mounting devices.

CAUTION

Loudspea ers produce a static magnetic field even if they are not

connected or are not in use. Therefore ma e sure when erecting

and transporting loudspea ers that they are nowhere near

equipment and objects which may be impaired or damaged by an

external magnetic field. Generally spea ing, a distance of 0.5 m

(1.5 ft) from magnetic data carriers (floppy dis s, audio and video

tapes, ban cards, etc.) is sufficient; a distance of more than 1 m

(3 ft) may be necessary with computer and video monitors.

F1222 Manual (3.0E) Page 4 of 8

F1222

The F1222 is a compact, actively driven, 2-way full-range

loudspea er which uses a 12" LF driver and 2" HF compression

driver in an arrayable bass-reflex cabinet. The HF driver is coupled

to a 60

x 40

(hor. x vert.) constant directivity (CD) horn. As an

option the F1222 loudspea er can be equipped with a 90

x 40

horn.

The F1222 cabinet is constructed from marine plywood and has an

impact resistant paint finish. The front of the loudspea er cabinet is

fitted with a rigid metal grill, covered with a replaceable

acoustically transparent foam. The cabinet incorporates a pair of

steel handles, a pair of countersun M10 threaded inserts on the

top and bottom panels to accept stand adapters and mounting

frames. The top, bottom and rear panels of the cabinet also have

Ancra flying trac s to accept rigging hardware.

CAUTION

Only operate F1222 cabinets with a d&b D12 amplifier in

"2-Way Active" and F1222 mode or an A1 mainframe fitted with a

F1222 controller module, otherwise there is a ris of damaging the

loudspea er components.

Connections

5Sense Drive

Connector wiring

The F1222 cabinet is fitted with a single EP5 connector and uses the

pin assignments 1/2/3/4 and 5 (Pin 5: SenseDrive - D12 in

conjunction with 5-wire cables).

The F1222 can be supplied with a single CACOM connector as an

option to drive the F1222 cabinet with the d&b A1 mainframe.

SenseDrive is also available when the F1222 is driven by the A1

mainframe.

LF+ LF– HF+ HF– SenseDrive LF

EP5

12345

EP5 pin assignments

F1222 Manual (3.0E) Page 5 of 8

Operation with D12

INPUT A OUT A

2-Way

SenseDrive

OUT B

2-Way

AMP B

AMP A

D12 Input/Output routing

2-Way Active mode

Selecting "2-Way Active" and F1222 mode enables up to two

F1222 cabinets to be driven actively by the D12 amplifier.

The input signal is fed to INPUT A, while the input signal is routed

(lin ed) to INPUT B internally.

Controller settings

For acoustic adjustment the settings CUT, HFC and CPL can be

selected.

CUT

Set to CUT, the frequency and phase response of the F1222

loudspea er is modified for operation with d&b active subwoofers.

HFC circuit

Set to HFC (High Frequency Compensation), the level above 10 Hz

is raised to give a flat response up to 17 Hz.

CPL circuit

Frequency response of CPL circuit

The CPL (Coupling) circuit compensates for coupling effects

between the cabinets when building closely coupled arrays. CPL

begins gradually at 1 Hz, with maximum attenuation below

250 Hz, providing a balanced frequency response when the F1222

cabinet is used in arrays of two or more. The function of the CPL

circuit in the D12 amplifier 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).

F1222 Manual (3.0E) Page 6 of 8

Operation with A1

GR LO

ISP

GR HI

OV LO

OV HI

CUT

HFC

1220

MUTE

1222

+3-3

-6

-12

-18

dB HI dB

Controls on 1222

controller module

OUTPUT 2

OUTPUT 1

1220

PIN ASSIGNMENT

A LOW OUT +

B LOW OUT -

C SPEAKER ID

D SPEAKER ID

E SENSE DRIVE +

F SENSE DRIVE -

G HIGH OUT +

H HIGH OUT -

1222

1222 controller rear panel

Two F1222 cabinets can be driven by a single A1 mainframe fitted

with a F1222 controller module.

CUT switch

The CUT setting is available. The characteristics of the CUT setting

is explained under the previous section "Operation with D12 -

Controller settings".

HFC switch

The HFC setting is available. The characteristics of the HFC setting

is explained under the previous section "Operation with D12 -

Controller settings".

1220 switch

The 1220 switch configures the controller module to drive existing

F1220 loudspea ers. This setting is identical to the standard setting

of the 1220 controller module.

Controller module rear panel

Two 8 pin, identically wired, CACOM output connectors (male) are

fitted to the module rear panel. To avoid a potential shoc hazard,

if a single F1222 cabinet is connected, the pins on the unused

soc et are internally isolated from the mainframe power amplifier

outputs.

Compatibility to 1220 systems

The F1222 cabinet uses a different 12“ low frequency driver to the

F1220. Both systems have identical power handling capacity and

acoustical quality. For sound reasons the F1222 cabinet should not

be driven with a 1220 controller.

Dispersion characteristics

The diagrams below show dispersion angle vs frequency plotted

using lines of equal sound pressure (isobars) at

–

6 dB and

–

12 dB.

F1222 isobar diagrams (60

x40

)

F1222 Manual (3.0E) Page 7 of 8

Technical specifications

F1222 System data

Frequency response (–5 dB)......................................................................60 Hz - 16 Hz

Max. sound pressure (1 m, freefield) with D12 or A1....................................... 134 dB

(SPLmax pea , test signal pin noise with crest factor 4)

Input level for 100 dB SPL / 1 m ..........................................................................–13 dBu

Polarity to controller INPUT (XLR pin 2: + / 3: –) .................................... LF: – /HF: +

F1222 loudspeaker

Nominal impedance (LOW / HIGH)........................................................... 8 / 16 ohms

Power handling capacity LOW (RMS / pea 10 ms).........................300 / 1200 W

Power handling capacity HIGH (RMS / pea 10 ms)...............................50 / 200 W

Nominal dispersion angle (hor. x vert.).............................................................60

x 40

optional......................................................................................................................90

x 40

Connections ..................................................................................................................1 x EP5

Pin assignments .................................... 1: LF+/2: LF–/3: HF+/4: HF–/5: SenseDrive

optional................................................................................................................1 x CACOM

Pin assignments printed on the A1 controller module rear panel

Weight .................................................................................................................35 g (78 lb)

-5

-10

-15

-20

-25

-30

100

F1222 frequency response, standard, CUT and HFC switch settings

F1222 cabinet dimensions in mm [inch]

F1222 Manual (3.0E) Page 8 of 8

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

EU declaration of conformity (CE symbol)

EU conformity of loudspeakers

This declaration applies to loudspea ers manufactured by d&b

audiotechni AG and includes the types listed in the table below:

−

F1222 Z0055

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 following EC

directives including all applicable amendments:

−

89/336 Electromagnetic Compatibility

The following standards have been applied:

−

DIN EN 55013:08-1991

−

DIN EN 55020:05-1995

−

DIN EN 50082-1:03-1993

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