Genelec AutoCal 7260A Operating Manual Download | Manualshive

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dsp

Operating Manual

760A, 770A and 771A DSP Subwoofers

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Summary of Contents for AutoCal 7260A

Page 1: ...dsp Operating Manual 7 60A 7 70A and 7 71A DSP Subwoofers ...

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Page 3: ...ec 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 Febru...

Page 4: ...2 kHz AES EBU digital audio signal They are fully compatible with Genelec Loudspeaker Manager 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 re...

Page 5: ... 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 cas...

Page 6: ...e 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 The REMOTE RJ 11 connector c...

Page 7: ...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 ...

Page 8: ...ignments 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 Loudspeaker 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 A...

Page 9: ...t Front Left Front Extra and Right Front Extra two loudspeakers in the rear Left Rear and Right Rear and the LFE Low Frequency Effects channel reproduced by the subwoofer 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 loudspeakers are provided in the table below The correct subframe must be selected in eac...

Page 10: ...use both subframes resulting in quad sample rate 192 kHz Run two AES EBU cables from the source to the subwoofer AES EBU Inputs 1 and 2 Run two audio cables from the subwoofer AES EBU outputs 1 and 2 to the digital audio inputs of the left and right loudspeakers The correct subframe must be selected in each loudspeaker Cable number Subframe Audio channel Subwoofer Input Connector Loudspeaker Input...

Page 11: ...re mode of transmission In this mode the AES EBU interface is operating at double speed 96 kHz but consecutive audio samples use both subframes resulting in quad sample rate 192 kHz Cable number Subframe 5 1 system audio channel Subwoofer Input Connector Loudspeaker Input Connector 1 A B Left Front AES EBU INPUT 1 DIGITAL IN 2 A B Right Front AES EBU INPUT 2 DIGITAL IN 3 A B Left Rear DIGITAL IN 4...

Page 12: ...st you leave the controls untouched and concentrate on finding the position where the subwoofer gives the smoothest response and only then use them to fine tune the balance and phase alignment between the subwoofer and the main loudspeakers To begin place the subwoofer at the front wall slightly offset from the center The recommended distance to the wall is less than 60 cm 24 measured from the sub...

Page 13: ...k Do not cover the grille or place the subwoofer so that there is less than 10 centimeters 4 of free space in front of the grille The space adjacent to the subwoofer must either be ventilated or sufficiently large to dissipate heat so that the ambient temperature does not rise above 35 degrees Celsius 95 F Make sure that the space underneath the subwoofer is clear from obstructions Thick carpets m...

Page 14: ...e of production If in use the LFE or 1 channel must be connected to AES EBU INPUT 4 and the LFE IN USE switch must be set to YES position If no LFE signal is used the LFE IN USE switch should be set to NO position The LFE input AES EBU INPUT 4 then operates in the same way as the other inputs When a dual wire signal is connected the input changes to dual wire mode In dual wire mode there is only o...

Page 15: ...ates the redirect function and it can only be activated if the LFE BANDWIDTH switch is set to 85 The redirected LFE signal is added to the audio signal contained in the other subframe of the AES EBU audio cable connected to INPUT 4 Typically the LFE channel is paired with the Front Center channel so one of the subframes of OUTPUT 4 carries the sum of the redirected LFE signal and the center channe...

Page 16: ...ning When daisy chaining subwoofers the switches in the LFE INPUT 4 CONTROLS group must be the same for all the subwoofers in the daisy chain Bypass The BYPASS section allows the use of an optional Genelec 1092 400 remote bypass switch This allows for remote control of the subwoofer s bass management bypass function The red BYPASS light is illuminated when the bypass mode is active With the bypass...

Page 17: ...fers to controlling the subwoofer using the controls on the subwoofer s connector panel STORED CTRLS refers to using the settings stored inside the memory of the subwoofer These settings can be set using the GLM Loudspeaker Manager Software and the GLM control network The stored settings provide additional functionality compared to the basic controls on the panel When the GLM Control Network is co...

Page 18: ...e generator at the crossover frequency The test tone signal is sent to OUTPUT 1 on AES EBU subframe A To perform an adjustment one main loudspeaker has to be connected to this channel and set to reproduce this signal with the subwoofer Phase The phase relationship between a main loudspeaker and the subwoofer must be adjusted at the crossover point A 0 90 180 or 270 degrees of adjustment is provide...

Page 19: ...subwoofers Follow the phase alignment process detailed above by connecting the reference loudspeaker to each subwoofer in turn and adjust the PHASE control switches Finally set the MODE switches on all subwoofers to a setting appropriate for their position in the daisy chain all subwoofers set to PASS THROUGH mode except the last which is set to NORMAL Subwoofer level The level of the subwoofer re...

Page 20: ...trol is set to 10 dB this should be set on all subwoofers in the daisy chain Connector panel warning light Normally the light on the connector panel of an 7200 subwoofer is green indicating that the subwoofer is in normal operational mode If the output capacity of the power amplifier is exceeded clipping in the power amplifier the light turns yellow Red colour indicates thermal overload of the pow...

Page 21: ...peration and to maintain the subwoofer under safe operating conditions the following warnings and cautions must be observed 1 Servicing and adjustment may only be performed by qualified service personnel The subwoofer enclosure must not be opened 2 Do not use this product with an unearthed mains cable or a mains connection without the protective earth contact as this may lead to personal injury 3 ...

Page 22: ...3 16 363 mm 14 5 16 625 mm 24 5 8 555 mm 21 7 8 490 mm 19 5 16 755 mm 29 3 4 803 mm 31 5 8 490 mm 19 5 16 7260A 7270A 7271A Short term amplifier output power Long term output power is limited by driver unit protection circuitry 120 W 250 W 500 W Amplifier system distortion at nominal output THD 0 05 0 05 0 05 Mains voltage 100 120 220 or 230 V according to region Voltage operating range 10 10 10 P...

Page 23: ...used with S P DIF and AES3id signals when impedance converters are used Digital audio word length 16 bits maximum 24 bits Fixed point AES EBU format Digital audio sample rate 32 kHz maximum 192 kHz Supports single wire and dual wire AES signals The free field frequency response of the 7260A subwoofer at different Bass Roll Off settings The free field frequency response of 7270A and 7271A subwoofer...

Page 24: ...Genelec Document D0057R001c Copyright Genelec Oy 4 007 All data subject to change ...

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