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Dolby Laboratories DSR1260, Owner'S Manual

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Documentation revision history

The documentation revision history lists the date, issue number, and description of all publications of

the 

Dolby DSR1260/DSR1280 Owner's Manual.

Date

Issue

Description

01 January 2022

Issue 1

Initial release

Documentation revision history

Dolby DSR1260/DSR1280 Owner's Manual

38

8800294 Issue 1

1 January 2022

Summary of Contents for DSR1260

Page 1: ...Dolby DSR1260 DSR1280 Owner s Manual 1 January 2022 8800294 Issue 1...

Page 2: ...dvanced Audio Dolby Digital Plus Home Theater Dolby Home Theater Dolby Theatre Dolby Vision Dolby Vision IQ Dolby Voice Feel Every Dimension Feel Every Dimension in Dolby Feel Every Dimension in Dolby...

Page 3: ...mbling installing and aiming the Dolby DSR1260 DSR1280 16 3 1 Horn rotation on the Dolby DSR1260 DSR1280 17 3 1 1 Rotating the horn on the Dolby DSR1260 DSR1280 18 3 2 Installing brackets 20 3 3 Insta...

Page 4: ...igging hardware is intended only for use with the specified loudspeaker s The installer assumes all risk of loss and or injury arising out of the use of the supplied rigging hardware with any other lo...

Page 5: ...ge to performers production crew or audience members Caution should be taken to avoid prolonged exposure to SPL in excess of 90 dB This product is intended for indoor use only Clean the metal frame an...

Page 6: ...the requirements of the EU RoHS Directive This product is electronic equipment and should be disposed of in accordance with all applicable laws Do not dispose as household waste Do not dispose of the...

Page 7: ...at the top and 130 at the bottom Additionally the high frequency horns within the Dolby DSR1260 DSR1280 can be rotated providing the same great coverage regardless of loudspeaker orientation The Dolby...

Page 8: ...Dolby DSR1260 DSR1280 wire selection Contacting Dolby Introduction to the Dolby speaker DSR1260 DSR1280 Dolby DSR1260 DSR1280 Owner s Manual 8 8800294 Issue 1 1 January 2022...

Page 9: ...aded terminal block that enables quick installation without the need for spade lugs or a crimping tool The high frequency driver is a very low distortion 44 4 mm polyimide dome with a frequency respon...

Page 10: ...al should always be closest to the ceiling no matter the box aiming In the actual installation the horn can be rotated such that the enclosure can be mirrored for the two overhead rows Dolby DSR1280 G...

Page 11: ...cement and aiming For Dolby Atmos rooms follow the Dolby Atmos Specification Guide which can be found here https professional dolby com siteassets cinema products documents dolby atmos specifications...

Page 12: ...urround vertical aiming Side and rear surround loudspeakers should be tilted vertically to orient the axis of each loudspeaker to the ear height of a seated listener in the farthest seat The loudspeak...

Page 13: ...follows See Figure 8 Let E be the elevation angle of the nearest side surround loudspeaker measured from the RLP The elevation angle of the corresponding top surround array should be greater than or...

Page 14: ...n wire gauge AWG of 18 AWG to 6 AWG 1 mm2 16 mm2 Note The input terminals are marked with indicators to show the polarity Per International Electrotechnical Commission IEC standards a positive voltage...

Page 15: ...00 Asia Pacific APAC 86 400 692 6780 Japan 81 3 4520 9798 Access documentation Visit customer dolby com Submit feedback about this documentation Send an email to documentation dolby com Contacting Dol...

Page 16: ...n required tools Note Dolby does not provide mounting brackets or a yoke for the Dolby DSR1260 DSR1280 The list below is an outline of this chapter Horn rotation on the Dolby DSR1260 DSR1280 Installin...

Page 17: ...dispersion For vertical installation you do not need to rotate the horn proceed to Installing brackets on page 20 The speaker can be installed on its side if you need to minimize obstruction to the pr...

Page 18: ...ver Plastic prying tool Procedure 1 Remove the 10 Phillips head screws from the sides of the grille Keep the screws as they will be used to reinstall the grille at the end of the procedure 2 Use the p...

Page 19: ...e arrows on the horn should be pointing toward the ceiling Figure 11 5 Rotate the horn 90 degrees clockwise or counterclockwise Ensure that the arrows molded on the horn are pointed up toward the ceil...

Page 20: ...tighten to 2 5 Nm 3 2 Installing brackets You must select a bracket that can support the weight of the Dolby DSR1260 DSR1280 The rear panel has an industry standard hole pattern and will accept a vari...

Page 21: ...ection 2 6 About this task The following tool is needed to attach the yoke 6 mm hex driver Procedure 1 Remove the M10 bolts from the side of the cabinet and then adjust and place the yoke according to...

Page 22: ...peaker About this task The installer must provide a laser pointer for aiming Procedure 1 Place the laser pointer on the outside left or right side of the Dolby DSR1260 DSR1280 enclosure 2 Keep the las...

Page 23: ...directed at the specified aiming point Figure 19 Placement of laser for vertical aiming 3 5 Installing the safety cable After mounting the Dolby DSR1260 DSR1280 to the building structure with a bracke...

Page 24: ...tallations and the back location for ceiling installations Additionally consider which location offers better clearance to the building structure Attention Choose the position that will best avoid sid...

Page 25: ...ided speaker cabling About this task To be sure speakers work correctly you must connect all electrical components properly You will need a wire stripper to complete tasks in this section Caution Turn...

Page 26: ...ral DSR1260 or DSR1280 loudspeakers This can be achieved by twisting wire pairs and inserting into the input connector per steps 3 and 4 When daisy chaining loudspeakers verify that the driving amplif...

Page 27: ...ions are listed in this chapter The list below is an outline of this chapter Dolby DSR1260 specifications Dolby DSR1280 specifications Dolby DSR1260 DSR1280 dimensions Dolby DSR1260 DSR1280 specificat...

Page 28: ...half space conditions with required high pass filter HPF and 48dB low pass filter LPF the rated system frequency range Power handling 525W 64 8Vrms 12dB crest pink noise for two hours with required H...

Page 29: ...rizontal 130 degrees bottom horizontal 80 degrees vertical Horizontal top and vertical 6dB averaged to HF horn on axis response Horizontal bottom 9dB averaged to on axis response for near field proxim...

Page 30: ...or setting peak stop limiters and amplifier selection Whole Space Maximum continuous SPL 1 meter 125 dB Calculated from rated sensitivity and power Half Space Maximum Continuous SPL 1 meter 127 dB Cal...

Page 31: ...280 dimensions The dimensions of the Dolby DSR1260 DSR1280 and its components are described here Figure 24 Dimensions Dolby DSR1260 DSR1280 dimensions Dolby DSR1260 DSR1280 Owner s Manual 31 8800294 I...

Page 32: ...Figure 25 Dimensions Dolby DSR1260 DSR1280 specifications Dolby DSR1260 DSR1280 Owner s Manual 32 8800294 Issue 1 1 January 2022...

Page 33: ...ignal processing is subject to a variety of requirements The list below is an outline of this chapter Dolby DSR1260 signal processing Dolby DSR1280 signal processing Dolby DSR1260 DSR1280 signal proce...

Page 34: ...ser interface UI The DSP UI may provide both Q or BW settings or it may show only BW with no option to input or show Q To correctly match the intended performance of this Dolby product confirm with yo...

Page 35: ...r the Constant Q or Constant Bandwidth mode in your DSP user interface UI The DSP UI may provide both Q or BW settings or it may show only BW with no option to input or show Q To correctly match the i...

Page 36: ...u can use the RMS limiter in the DSP to set the system limiters The list below is an outline of this chapter Setting system limiters System limiters Dolby DSR1260 DSR1280 Owner s Manual 36 8800294 Iss...

Page 37: ...seconds very important for low frequency outputs 2 Access the RMS limiter setting in the DSP and set it to the maximum value such that no limiting should occur 3 Set the attack and release times based...

Page 38: ...sts the date issue number and description of all publications of the Dolby DSR1260 DSR1280 Owner s Manual Date Issue Description 01 January 2022 Issue 1 Initial release Documentation revision history...

Page 39: ...et Street San Francisco CA 94103 1410 USA 2022 Dolby Laboratories All rights reserved Dolby and the double D symbol are registered trademarks of Dolby Laboratories All other trademarks remain the prop...

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