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7200
Owners manual
24 pgs2.57 Mb0

Genelec 7200 Owners manual

Operating Manual
7260A, 7270A and 7271A DSP Subwoofers
dsp
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INTRODUCTION
Congratulations and a thank-you for the purchase of this Genelec 7200 Series DSP Subwoofer. These systems are designed to integrate easily into the digital production environment. There are several ways to configure and operate the DSP subwoofers for a wide variety of high quality audio applications.
This manual addresses setting up and using the Genelec 7260A, 7270A and 7271A subwoofers with Genelec 8240A and 8250A DSP loudspeakers in stand-alone mode without the Genelec Loudspeaker Manager GLM™ and the proprietary Genelec loudspeaker control network. Use with the GLM™ network is described in the DSP System Operating Manual.
EC Declaration Of Conformity
This is to certify that Genelec 7260A, 7270A and 7271A DSP subwoofers conform to the following standards:
Safety: EN 60065: 2002 / IEC 60065:2001 7th Edition EMC: EN 55020 : 2002 + A1 : 2003, EN 55013: (2001), EN 61000-3-2 (2000) and EN 61000-3-3 (1995)
The products herewith comply with the requirements of The Low Voltage Directive 73/23/EEC, EMC Directive 89/336/EEC and 93/68/EEC
Signed: Ilpo Martikainen Position: Chairman of the Board Date: 20-February-2006
Compliance to FCC Rules
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:
• This device may not cause harmful interference, and
• This device must accept any interference received, including interference that may cause undesired operation.
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
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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. Modifications not expressly approved by the manufacturer could void the user’s authority to operate the equipment under FCC rules.
SYSTEM
Genelec 7260A, 7270A and 7271A DSP subwoofers kHz AES/EBU digital audio signal. They are fully compatible with GLM™ and the proprietary Genelec loudspeaker control network and Genelec 8240A and 8250A DSP loudspeakers
The DSP subwoofers can perform bass management. The DSP bass management system splits the signal from each input into low and high frequency components. Signal content below the crossover frequency is reproduced by the subwoofer and signal content above the crossover frequency is reproduced by the loudspeakers connected to the outputs of the subwoofer.
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are designed for precise monitoring of 24 bit/192
Genelec Loudspeaker Manager
USING THE 7260A, 7270A AND 7271A IN STAND-ALONE MODE
When the 8240A and 8250A are not connected to the Genelec loudspeaker control network, they operate in stand-alone mode and only the functions actuated by the controls on the connector panel can be used. However, the settings made with the Genelec Loudspeaker Manager software can be saved into each subwoofer and applied even when the network is disconnected by setting CONTROL” on switch group 2 of each loudspeaker to position “STORED.”
This manual concentrates on using the subwoofers without the control network. All issues concerning the control network are explained in detail in the System Operating Manual provided with the GLM™ Genelec Loudspeaker Manager kit.
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switch 1 “STORED/MANUAL
INSTALLATION
Each subwoofer is supplied with a mains cable unpacked, place the subwoofer in a suitable location (for more details see the "Positioning" section).
Before connecting the audio signal cables, ensure that both the subwoofer and the main loudspeakers are switched off. Connections are easier to make if you roll the subwoofer on its side with the connector panel facing up. Use this position only for making the connections and roll the subwoofer back to its normal upright position before use.
Connections
Audio connections
Audio connections to the subwoofer are made by XLR connectors. All audio cabling from the source must always go first to the input connectors of the subwoofer and then on to the main loudspeakers from the subwoofer’s output connectors. Some typical setups are shown in “Cabling examples” below.
Connect the digital audio signal cables from your signal source to the four female XLR “AES/EBU INPUT” connectors. The inputs accept AES/EBU signal or S/P-DIF or AES3id signals with suitable impedance converters. Both Single-Wire and Dual-Wire AES/EBU formats are automatically detected and supported. The 7260A, 7270A and 7271A cannot be used with analog audio input signal. If the chosen audio format includes an LFE (.1) channel, it must be connected to INPUT 4 and the “LFE IN USE” switch must be turned to “YES” position in order to utilize the versatile LFE channel controls integrated in the subwoofer. If there is no LFE channel to reproduce, INPUT 4 can be used for a normal full-bandwidth signal. In this case the “LFE IN USE” switch must be turned to “NO”
, one 5 m GLM network cable and
an operating manual. Once
Connect the signal cables for the main loudspeakers to the male “AES/EBU OUTPUT” connectors on the subwoofer. Each of these connectors carries a high-pass filtered version of the signal(s) received by the input connector marked with the same number. The default filtering frequency is 85 Hz. The filtering frequency cannot be changed with the controls available in the stand-alone mode. This feature is only available when the subwoofer is controlled by the GLM™ software.
Network, mains, bypass and remote connectors
Two “CONTROL NETWORK” RJ-45 sockets are provided to connect the subwoofer to the proprietary Genelec loudspeaker control network. See the System Operating Manual for more information. The mains cable may only be connected to an earthed mains power supply. The “BYPASS” 1/4” Jack provides connection to the optional Genelec 1092-400 switch to operate the Bypass function. See “DSP Subwoofer Features” for description of this function.
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Cabling examples
Stereo Pair with Subwoofer (AES/EBU Single-Wire)
This setup has one AES/EBU cable that carries both the Left and Right audio channels with subframe A carrying the Left audio channel and subframe B carrying the Right audio channel.
Run one AES/EBU cable from the source to one of the subwoofer’s “INPUT” connectors, then from the corresponding “OUTPUT” connector to the “DIGITAL IN” connectors on the Left and Right loudspeakers (the order of cabling to the loudspeakers is irrelevant). The correct subframe must be selected in each loudspeaker.
Cable number Subframe Audio
channel
1 A Left AES/EBU INPUT 1 DIGITAL IN
1 B Right AES/EBU INPUT 1 DIGITAL IN
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Subwoofer Input Connector
Loudspeaker Input Connector
5.1 Surround System with Subwoofer (AES/EBU Single-Wire)
This setup utilizes three AES/EBU cables to carry 5.1-audio. “5.1” refers to having five full-bandwidth audio channels and an LFE channel. All three cables run to the subwoofer first, then from the subwoofer to the five main loudspeakers.
The AES/EBU digital audio cables are numbered from one to three. The AES/EBU subframe assignments and connectors to be used with the subwoofer and loudspeakers are provided in the table below.
Run three AES/EBU cables from the source to the subwoofer AES/EBU inputs 1, 2 and 4. Subwoofer input number 3 is not used. Run the cables from the subwoofer AES/EBU outputs 1, 2 and 4 to the digital audio inputs of the loudspeakers. The cable that carries the LFE channel must be connected to the subwoofer input number 4. The correct subframe must be selected in each loudspeaker.
Cable number Subframe Audio channel Subwoofer Input
Connector
1 A Left Front AES/EBU INPUT 1 DIGITAL IN
1 B Right Front AES/EBU INPUT 1 DIGITAL IN
2 A Left Rear AES/EBU INPUT 2 DIGITAL IN
2 B Right Rear AES/EBU INPUT 2 DIGITAL IN
3 A Center Front AES/EBU INPUT 4 DIGITAL IN
3 B LFE AES/EBU INPUT 4 --
Loudspeaker Input Connector
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6.1 Surround System with Subwoofer (AES/EBU Single-Wire)
This setup utilizes four AES/EBU cables to carry “6.1-audio”. “6.1” refers to having six full-bandwidth audio channels and an LFE channel. All cables run to the subwoofer first, then from the subwoofer to the six loudspeakers.
The AES/EBU digital audio cables are numbered one to four. The AES/EBU subframe assignments and connectors to be used with the subwoofer and two-way loudspeakers are provided in the table below. The correct subframe must be selected in each loudspeaker.
Cable number Subframe Audio channel Subwoofer Input
Connector
1 A Left Front AES/EBU INPUT 1 DIGITAL IN
1 B Right Front AES/EBU INPUT1 DIGITAL IN
2 A Left Rear AES/EBU INPUT 2 DIGITAL IN
2 B Right Rear AES/EBU INPUT 2 DIGITAL IN
3 A Center Rear AES/EBU INPUT 3 DIGITAL IN
3 B Not used Not used --
4 A Center Front AES/EBU INPUT 4 DIGITAL IN
4 B LFE AES/EBU INPUT 4 --
Loudspeaker Input Connector
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