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Related Manuals for Dolby Laboratories SB218
Summary of Contents for Dolby Laboratories SB218
- Page 1 Dolby SB218 Owner's Manual 1 April 2023 Issue 2 Part number: 8800328...
- Page 2 1275 Market Street San Francisco, CA 94103-1410 USA Telephone 415-558-0200 Fax 415-645-4000 http://www.dolby.com Trademarks Dolby and the double-D symbol are registered trademarks of Dolby Laboratories, Inc. The following are trademarks of Dolby Laboratories, Inc. Dialogue Intelligence Dolby Theatre ™ ®...
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Page 3: Table Of Contents
SB218 key features and benefits......................8 SB218 preinstallaton information......................8 Selecting the wire for the SB218......................9 Additional information..........................9 Contacting Dolby ..........................10 Assembling and installing the Dolby SB218....................11 Assembling and securing the Dolby SB218..................12 3.1.1 Securing an SB218 cabinet......................12 3.1.2 Securing two SB218 cabinets......................13... -
Page 4: Important Safety And Regulatory Information
Keep speakers out of extended or intense direct sunlight. Premature product failure or serious personal injury could occur if this product is used outdoors or in wet indoor environments. Dolby SB218 Owner's Manual Issue 2 Part number: 8800328 1 April 2023... - Page 5 Caution: Use proper lifting techniques when working with heavy objects to avoid personal injury. Always be careful when moving the SB218 or the assembled speaker system and employ at least two people when attempting any relocation of the speakers.
- Page 6 For information regarding where to recycle electronic equipment, contact your local dealer. For additional information regarding Waste Electrical and Electronic Equipment (WEEE) and product disposal go to http:// www.dolby.com/us/en/about/environmental-commitment.html. Dolby SB218 Owner's Manual Issue 2 Part number: 8800328 1 April 2023...
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Page 7: Introduction To The Dolby Sb218
Introduction to the Dolby SB218 Introduction to the Dolby SB218 The Dolby SB218 (also referred to as the SB218 in this manual) is designed to meet the needs of high- performance Low Frequency Effects (LFE) channels in small to medium-sized Dolby Atmos or 7.1 cinemas. -
Page 8: About This Documentation
2.3 SB218 preinstallaton information In a typical auditorium, the SB218 is installed at the front of the auditorium, near ground level, and equal with the screen plane. Caution: Design and construction of a screen platform must be performed by a qualified, licensed, and insured professional in accordance with all laws, rules, and regulations applicable for the installation site. -
Page 9: Selecting The Wire For The Sb218
It is important that you select the correct wire gauge for the SB218. Typically, no more than 0.5 dB (or 11%) of power should be lost in the cabling. The SB218 connectors accept an American Wire Gauge (AWG) of 18 AWG to 6 AWG (1 mm to 16 mm ). -
Page 10: Contacting Dolby
Introduction to the Dolby SB218 • The maximum voltage peak specification is useful for selecting an amplifier that has a voltage rail at or above the rating for the maximum dynamic performance of the speaker. Some amplifier companies provide this data in their respective technical data sheets (or provide the data by request). -
Page 11: Assembling And Installing The Dolby Sb218
Assembling and installing the Dolby SB218 Assembling and installing the Dolby SB218 Instructions are provided for assembling and installing the SB218. Each section of instructions specifies the tools that are needed to complete the required tasks. Refer to each section for more details on the required tools. -
Page 12: Assembling And Securing The Dolby Sb218
2. Determine if it is necessary to secure the SB218 to the building structure to prevent the speaker system from shifting during use. 3. Remove the four M10 bolts from the bottom side of the SB218 speaker cabinet, as shown in the following figure. These bolts are preinstalled in the SB218 cabinet. -
Page 13: Securing Two Sb218 Cabinets
• Installer-provided acoustic or nonhardening caulk (recommended) Note: BKT.136 tie (coupling) plates are available (sold separately) and are used to connect two SB218 speakers together in a stacked configuration to prevent movement or shifting of the cabinets during use. These tie plates must be installed on stacked units prior to system use. -
Page 14: Connecting And Configuring The Dolby Sb218
2. Locate the two-bolt tie-plate mounting locations on the sides of each cabinet. 3. Remove the two M10 bolts from the side of the lower SB218 cabinet, and then remove the two M10 bolts from the side of the upper SB218 cabinet. -
Page 15: Connecting The Sb218
1. Locate the input plate on the side of the Dolby SB218. The SB218 input plate is mounted on the side of the speaker for easy access to the wiring, as shown in the following figure. - Page 16 The SB218 is nominally rated at 4 ohms and driven by a single amplifier channel. Dolby SB218 Owner's Manual Issue 2 Part number: 8800328...
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Page 17: Dolby Sb218 Specifications
Dolby SB218 specifications Dolby SB218 specifications Detailed specifications for the Dolby SB218 are provided here. • SB218 specifications • Dolby SB218 dimensions Dolby SB218 Owner's Manual Issue 2 Part number: 8800328 1 April 2023... -
Page 18: Sb218 Specifications
Dolby SB218 specifications 4.1 SB218 specifications These are the specifications for the SB218. Table 1: Dolby SB218 specifications Specification Technical data Notes Frequency range 26 Hz - 170 Hz -6 dB in half-space conditions using required processing. Usable low-frequency response 22 Hz -10 dB in half-space conditions. -
Page 19: Dolby Sb218 Dimensions
Dolby SB218 dimensions 4.2 Dolby SB218 dimensions Dolby SB218 Owner's Manual Issue 2 Part number: 8800328 1 April 2023... -
Page 20: Dolby Sb218 Digital Signal Processing Requirements
Dolby SB218 digital signal processing requirements Dolby SB218 digital signal processing requirements The tables in this chapter show the SB218 digital signal processing requirements. • SB218 digital signal processing requirements Dolby SB218 Owner's Manual Issue 2 Part number: 8800328 1 April 2023... -
Page 21: Sb218 Digital Signal Processing Requirements
SB218 digital signal processing requirements 5.1 SB218 digital signal processing requirements There are a variety of SB218 digital signal processing requirements. Table 2: SB218 general filtration, gain, and delay requirements Highpass filter Lowpass filter Overall gain Polarity Delay 25 Hz, 24 dB (4th... -
Page 22: System Limiters
System limiters System limiters We recommend using one or more system limiters to control and protect the SB218 speaker. • Setting system limiters Dolby SB218 Owner's Manual Issue 2 Part number: 8800328 1 April 2023... -
Page 23: Setting System Limiters
You can use an RMS limiter in a digital signal processor (DSP) to perform the system limiting operation. We recommend setting up the system limiter thresholds with the proper SB218 digital signal processing parameters engaged. (For DSP parameter details, see the link at the end of this section.) - Page 24 V is not above the speaker rating when the stimulus is driven heavily. Related information Dolby SB218 digital signal processing requirements on page 20 Dolby SB218 Owner's Manual Issue 2 Part number: 8800328...
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Page 25: Documentation Revision History
Documentation revision history Documentation revision history The documentation revision history lists the date, issue number, and description of all publications of Dolby SB218 Owner's Manual . Date Issue Description March 2023 Issue 1 Initial release April 2023 Issue 2 Minor updates...
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