Genelec 4430A Bedienungsanleitung

4430A

Operating Manual

GENERAL DESCRIPTION

The bi-amplified Smart IP Genelec 4430A install loudspeaker is a compact two-

way active loudspeaker for fixed installations. It requires only one CAT cable to

connect, making installation easy. The 4430A loudspeaker is powered using the

standard Power-over-Ethernet (PoE) technology, using PoE+ or PoE standards.

The proprietary internal power supply in 4430A delivers an impressive short-term

SPL.

The 4430 is a high-resolution loudspeaker delivering a signal path and acoustic

output that extends to ultrasonic frequencies. It uses Genelec’s Minimum

Diffraction Enclosure (MDE) enclosure technology to reduce acoustic diffractions.

Combined with the advanced Directivity Control Waveguide (DCW) surrounding

the tweeter, this provides excellent frequency balance in difficult acoustic

environments.

The 4430A loudspeaker supports Genelec Smart IP technology. The Smart IP

technology provides scalable power, audio and loudspeaker configuration,

supervision and calibration features via a standard CAT cable, offering

integrators unrivalled power, flexibility, cost-effectiveness and simplicity of

installation.

The 4430A has been designed for excellent sound quality and very long lifetime.

The enclosure is made of environmentally friendly recycled die-cast aluminium.

4430A is manufactured using certified sustainable methods. All essential parts of

the loudspeaker can be recycled.

The 4430A is available in black, white or 120 RAL colours on order. It is

compatible with Genelec’s extensive range of mounting accessories for floor,

ceiling, wall, or truss mounting.

The 4430A loudspeaker contains

highly efficient dedicated Class D power amplifiers, one for each driver,

switched-mode power supply technology offering high SPL output using

standard PoE+ and PoE power supply with an IP switch or power injector,

active crossover filter,

electronic system protection,

audio-over-IP streaming input,

balanced analogue line input,

flexible room acoustic compensation tool set built in.

Audio-over-IP streaming supports unlimited number of channels in the playback

system. These audio channels are automatically synchronized perfectly in time

by the audio-over-IP streaming technology, forming a single playback system.

4430A accepts AES67/ST2110 and Dante audio-over-IP streams. The streams

are set up with Dante Controller or Dante Domain Manager software. Each

4430A supports reproduction of one or the sum of two audio input channels. The

stream audio sample rate can range 32-96 kHz, with 16-24 bit resolution.

The 4430A contains one rear panel CAT connector for standard Ethernet IP

network connectivity. The network interface speed is 100 Mbps. The rear panel

CAT connector also allows Genelec’s Smart IP Manager software to work on the

4430A. This software is available for AV installers at Genelec web site and runs

on Windows 10 computers. The software allows AV installers to configure an

almost unlimited number of rooms, zones, loudspeakers and audio channels, and

includes device discovery, a versatile room acoustic equalisation tool set, system

organisation and status monitoring.

The 4430A contains an application programming interface (API) supporting

control via third-party hardware, software or house automation. The API enables

integration to all house and home automation systems. Detailed information

about the API are provided in a separate document from Genelec.

A balanced line input is available on 4430A besides the CAT connector. The

balanced line analogue audio input in each loudspeaker can be configured to use

with Genelec Smart IP Manager software. When the balanced line input is used

the loudspeaker must still receive PoE power on the CAT cable.

The 4430A is designed for indoor use, in temperatures 15-35 Celsius and relative

humidity 20-90 %.

PACKING CONTENT

Genelec two-way active loudspeaker 4430A.

Keyhole-type wall mount with screws.

Three-pin Euroblock connector for balanced analogue line input (inserted

in the loudspeaker).

Figure 1. Packing content, from left to right, loudspeaker, wall mount and

analogue input connector (inserted in the speaker).

POSITIONING AND MOUNTING THE LOUDSPEAKER

Place the loudspeaker so that the line of the acoustic axis points towards the

main listening area. The AV install designers may indicate different aiming.

Minimum clearance for amplifier cooling and reflex port function around the

loudspeaker is 3 cm (13/16 in) behind, above and on both sides of the

loudspeaker. If the back side of the loudspeaker is blocked, the back side of the

loudspeaker must be ventilated so that the ambient temperature remains below

35 C (95 F) under any moment of operation.

Figure 2. Definition of the acoustic axis.

The two primary mounting points are on the rear side. Use these for mounting

brackets or the keyhole wall mount adapter. They have metric M6 x 10 mm holes

(thread type is metric M6, thread depth is 10 mm). Do not exceed the thread

depth as this can result in failure of the thread. The base of the loudspeaker

carries a 3/8 in UNC-threaded hole compatible with a certain standard

microphone stands. This can be used for additional support. The UNC thread is

not compatible with metric threads. Do not use this point as the primary mounting

point. Pay attention to mounting screw lengths. Do not use screws exceeding the

depth of the hole as this can destroy the threads in the mounting points. Do not

over-tighten. Do not use very short screws as the thread length covered by such

screw is not enough to hold the weight of the speaker.

See Genelec Accessories Catalogue on www.genelec.com for a complete list of

mounting hardware options. The accessories can come with instructions on the

proper methods of installation.

Figure 3. Connectors and controls in the 4430A rear panel.

CONNECTING LOUDSPEAKERS

To get started, connect an Ethernet cable from the PoE+ output in an IP switch to

the 4430A Ethernet port. Use at least CAT5 cable or better. Press the power

switch to power up the loudspeaker.

To create a working system, you will need

IP switch with a PoE+ (802.3at) output for the 4430A loudspeaker

or an IP switch with no PoE support and a PoE+ power injector

CAT 5 or higher category Ethernet cable with RJ45 connectors

AES67, ST2110 or Dante audio-over-IP stream source

For 4430A setup and configuration, a computer running Macintosh OS X

or Windows 10 operating system

Genelec Smart IP Manager software

Dante Controller software or Dante Domain Manager software

THREADS FOR

WALL MOUNT

BRACKET

POWER

SWITCH

BALANCED

ANALOGUE

INPUT

ETHERNET

PORT

Figure 4. 4430A powered with PoE+ IP switch.

Example of powering the 4430A with a PoE+ enabled IP switch. With this

method, the power budget available for all outputs connected to the IP switch

must enable each 4430A to run at full PoE+ power. For 4 loudspeakers, the

power supply must support 4 x PoE+ power level.

Figure 5. 4430A powered by an IP PoE+ power injector.

Example of powering the 4430A with a PoE+ power injector. This method

enables the use of standard non-PoE IP switches. Each power injector must

support full PoE+ power level into the device.

How PoE power management works

The 4430A internal power supply stores power for peak output. This enables the

output power to exceed the input power for short durations (Figure 6). Music and

speck signals are dynamic. They contain high peaks above the average level.

These peaks are supplied from the energy stored in the loudspeaker power

supply. The power supply has been dimensioned to work with audio and speech

signals, including highly compressed wideband audio signals. The duration of

peak output is limited more by the PoE supply and therefore Genelec

recommends the use of PoE+ supply whenever possible.

Figure 6. 4430A power supply enables high output level peaks exceeding the

incoming PoE power level; the PoE standard limits the duration of the peaks

PoE budget calculation

The 4430A supports automatic negotiation with the IP switch or IP power injector

to set the PoE power level. However, in some cases it may be necessary to set

the PoE power level in the switch manually.

Table 1. PoE and PoE+ power levels.

Name Standard Power at switch Min. power at 4430A

PoE IEEE 802.3af-2003 15.4 W 12.95 W

PoE+ IEEE 802.3at-2009 30 W 25.5 W

There are several Power-over-Ethernet standards. The 4430A loudspeaker

supports the PoE+ standard but also works with the lower power PoE standard.

When the 4430A also works with lower PoE power, the duration of high SPL

output is shortened, and long continuous output signals play at smaller sound

level than when the PoE+ power level is used. Genelec recommends using PoE+

power level with 4430A.

Each PoE supply device (IP switch or power injector) has a certain maximum

output power capacity. This can limit the number of PoE outputs that can be set

on. For 4430A loudspeaker, calculate the output power for each output as 15.4

W for PoE and 30 W for PoE+. Ensure that the total power does not exceed the

switch or power injector total power.

Example: IP switch total power is 150 W. You use PoE+ and four outputs are

connected. The total output power is 4 x 30 W = 120 W. This is smaller than the

capacity of the Ip switch, 150 W. This scenario is acceptable.

PoE cable loss calculation

There is power loss in the Ethernet cable. The reason for the power loss is that

the CAT cable conductor is thin and has considerable resistance. The power loss

increases with increasing cable length. The maximum cable length is 100 meters

(333 feet). Calculate the power loss in cable at 25 mW/m or 7,4 mW/ft. 4430A will

automatically adapt to the power loss in the cable, but lower input power will

affect slightly the duration of the maximum SPL output. In order to minimize the

cable loss and to maximize the duration at maximum SPL, consider using power

injectors close to the loudspeakers or short cable runs.

ISS AUTOSTART

The automatic power function ISS (Intelligent Signal Sensing) powers the

loudspeaker automatically down when it is not in used and up when the use

resumes. ISS can be activated and adjusted with the Smart IP Manager

software. Powering down to standby happens after a set time when playback has

ended. Playback automatically resumes with an input signal exceeding the level

configured using the Smart IP Manager. There is a slight delay in the automatic

powering up. If this is undesirable, ISS can be disabled with Smart IP Manager.

The indented use of this loudspeaker requires that the IP network interface is

continuously enabled also in the standby mode. This enables the ISS to wake up

with an API command or in response to IP audio stream. The power consumption

in the ISS state for 4430A is 4 W. To save more power, the PoE+ power supply

in the Ethernet switch or PoE injector can be turned off. However, loudspeaker

wakeup will then take slightly longer time and the loudspeaker does not respond

to any command on the IP network while it is not powered.

SELECTION OF IP SWITCH

Smart IP and 4430A are fully compatible with standard Ethernet and IP switch

technology. Genelec recommends using gigabit speed managed IP switches with

full PoE+ on each of the outputs intended for 4430A loudspeakers. Managed IP

switches offer the ability to configure, manage and monitor the local area

network, typically using a web browser user interface, and this helps in creating a

well working system.

The IP switches should support QoS and be media ready. Differentiated services

(DiffServ) typically implements QoS prioritization of IP traffic. DiffServ marks IP

packets according priority. In response, IP switches can prioritize media traffic to

improve system performance. Differentiated services code point (DSCP)

markings in the IP packet headers are sensed by the QoS capable IP switch.

Genelec does not endorse certain IP switch brands as Smart IP works perfectly

with all high-quality standard IP switches with these capabilities. Use of 100

Mbps IP switches is discouraged.

NETWORK STRUCTURE

Genelec recommends always designing a network structure with star topology.

Only one IP device (for example, one 4430A) should be connected at one port in

an IP switch. IP device ports should not be daisy chained to several IP devices.

Audio-over-IP requires the use of cable-based LAN network. Low-latency

uncompressed audio-over-IP streaming does not work over WLAN.

SETTING UP AUDIO STREAMS

Audio stream setup is done by using Dante Controller software. Download the

software from https://www.audinate.com/products/software/dante-controller

An AES67/ST2110 audio stream supported by the loudspeaker can have contain

the maximum of 8 audio channels. Dante automatically divides a multichannel

stream into several low channel count flows suitable for the speaker and this

process is largely automatic.

The 4430A can select one audio channel or a sum of two channels in a stream.

The AES67 compatibility mode must turned ON to enable reception of AES67 or

ST2110 streams. Follow these instructions:

Double click on the loudspeaker to be configured. The Device View

window opens.

Click AES67 Config -tab.

In the AES67 Mode panel, go to New: and select Enabled.

In the Reset Device panel, click Reboot to reboot loudspeaker with

AES67 enabled.

Figure 7. Configuring for AES67/ST2110 streams in the Dante controller.

ANALOG INPUT

An analogue audio input is provided using a screw-mount Euroblock connector.

This enables easy connectivity and daisy-chaining the balanced audio signal to

several loudspeakers. When you daisy-chain loudspeakers, connect a second

signal cable to the plug (Figure 4).

The input impedance of the analogue input is 10 kOhm. The pin sequence of the

connector is shown in Figure 2. The number of loudspeakers that can be on the

same daisy chain is set by the capability of the source device analogue output.

The daisy-chained loudspeakers appear electrically in parallel, reducing the load

impedance presented to the source device. Typically, 10 to 20 loudspeakers can

be daisy-chained on one balanced line.

Avoid connecting 4430A to the power amplifier outputs. If this must be done, use

a balanced attenuator. Typically, an attenuation of about 20 dB is needed.

Beware that some power amplifiers can provide a signal that exceeds the

maximum voltage at the analogue input, and this can result in failure of the

analogue input.

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