Table of Contents
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Table of Contents
Related Manuals for JL Audio Dominion d108
Summary of Contents for JL Audio Dominion d108
- Page 1 Owner’s Manual d108 d110...
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Page 2: Important Safety Instructions
IMPORTANT SAFETY INSTRUCTIONS WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS PRODUCT TO RAIN OR MOISTURE. The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence CAUTION of uninsulated “dangerous voltage”... - Page 3 10) Cleaning — The subwoofer should be cleaned only as recommended in the operating instructions. 11) Nonuse Periods — The power cord of the subwoofer should be unplugged from the outlet when the subwoofer is left unused for long periods of time. 12) Lightning and Power Surges —...
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Page 4: Table Of Contents
Specifications: ............32 INTRODUCTION Congratulations on your purchase of a JL Audio Dominion™ powered subwoofer system. This product has been critically engineered to deliver exceptional performance in your home theater or audio system for many years to come. -
Page 5: Product Overview
Dominion™ to help achieve an outstanding low-frequency listening experience. If you require assistance, we urge you to contact your authorized JL Audio retailer for expert setup advice and service. IMPORTANT! IT IS A VERY GOOD IDEA TO READ THE NEXT SECTION IMPORTANT BEFORE UNPACKING YOUR DOMINION™... -
Page 6: Placing Your Dominion™ In Your Listening Room
PLACING YOUR DOMINION™ SUBWOOFER IN YOUR LISTENING ROOM: Your listening room or theater is an integral part of your sound reproduction system. The physical dimensions of the room and its furnishings, materials, doors and windows play an important role in defining how your system sounds. When you place a sound source in an enclosed rectangular space, “standing waves”... - Page 7 Recommended Floor Placement for One Dominion™ Subwoofer M O R E I N T E N S E MO R E I NT EN SE RECOMMENDED SUBWOOFER PLACEMENT ZONES (For Single Subwoofer) SMOOTHER SMOOTHER COMPROMISED SEATING POSITIONS (Results in weaker, uneven bass performance) CENTERLINE OF ROOM BEST SEATING POSITIONS (Most accurate bass performance)
- Page 8 SPECIAL CONSIDERATIONS FOR BUILT-IN INSTALLATIONS The Dominion™ subwoofer can be integrated into custom cabinetry by following a few simple guidelines. 1) Allow 4 inches (10 cm) of clear space behind the amp panel of your Dominion™ for adequate cooling and connector clearance. 2) On all other sides (except the bottom), allow at least 2 inches (5 cm) clearance for adequate ventilation.
- Page 9 Using Two Dominion™ Subs Recommended Subwoofer Placement for Two Dominion™ Subwoofers When using two Dominion™ subwoofers, try placement near the front corners of the room, at diagonally-opposite corners of the room, or at the center points of opposing walls as shown at right. Experimentation with subwoofer and listener placement is recommended to...
- Page 10 Recommended Subwoofer Placement for Three Dominion™ Subwoofers Using Three or Four Dominion™ Subwoofers Research indicates that the smoothest bass response for a large listening area can be achieved using four subwoofers, placing one at the midpoint of each of the four walls (although using two or three subwoofers can be almost as good).
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Page 11: Unpacking Your Dominion
UNPACKING YOUR DOMINION™ Now that you have determined the position of your Dominion™ on the floor of your room, you can proceed with unpacking it near its intended location. Unpack this box close to where the subwoofer will be placed. The subwoofer is PACKED upside down. -
Page 12: Rear Control Panel Layout
Rear Control Panel (120V Model Shown) The labeled figure below depicts the rear panel of a Dominion™ subwoofer. The d108 and d110 have identical layouts. Power Indicator LP frequency (Hz) phase (deg.) page 14 page 14 page 15 LP Filter Master Level Polarity page 14... - Page 13 | d108 & d110 Page 13...
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Page 14: Dominion™ Controls In Detail
DOMINION™ CONTROLS IN DETAIL Power Indicator LED The indicator LED on the control panel shows the operational readiness of the IMPORTANT Dominion™ subwoofer. Note: Dominion™ subwoofers DO NOT have a Power Switch. Instead, the Dominion™ will automatically power up its internal amplifier when it detects audio at any of its inputs and will power down the internal amplifier if no signal has been detected for approximately thirty (30) minutes. - Page 15 Master Level Knob The “Master Level” Knob is used to set the output level of the Dominion™, Polarity relative to the rest of the audio system. When rotated fully counter-clockwise, the subwoofer’s output will be completely muted. When at the “0” or vertical position, the level is at reference 0 | 180 deg.
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Page 16: Connecting Your Dominion
Wireless Link Connector Your Dominion™ includes a “Wireless Link” receptacle that can be used with a JL Audio JLink™ TRX system (sold separately). The JLink™ TRX is a high-fidelity audio transmitter & receiver system, capable of wirelessly sending audio signals up to 100 feet away (30 meters). - Page 17 “Grounded / Isolated” Switch This feature is included to address signal grounding issues often encountered in home theater systems when several components from different manufacturers are interconnected. The “Grounded / Isolated” Input Mode switch on the rear connection panel alters only the “RCA Inputs” and is designed to facilitate a quiet, hum-free connection to your audio or home theater system.
- Page 18 SYSTEM CONNECTION DIAGRAM 1: RECEIVER / PROCESSOR One Dominion™ to Home Theater Receiver or Home Theater Preamp/ PRE OUT Processor FRONT REAR CENTER Most home theater receivers and preamp/processors provide a single (mono) subwoofer line-level output. When connecting a mono FRONT REAR subwoofer output to your Dominion™, you...
- Page 19 SYSTEM CONNECTION DIAGRAM 2: RECEIVER / PROCESSOR Multiple Dominion™ Subwoofers to Home Theater Receiver or Home PRE OUT Theater Preamp/Processor FRONT REAR CENTER Most home theater receivers and preamp/processors provide a single (mono) subwoofer line-level output. When connecting a mono subwoofer FRONT REAR output to more than one Dominion™,...
- Page 20 SYSTEM CONNECTION DIAGRAM 3: PRE-AMPLIFIER One Dominion™ in Mono to a Two-Channel Audio System When connecting a single Dominion™ OUTPUTS in mono to a two-channel audio system, you will use both the “Left” and the “Right” “Line Inputs” of the Dominion™. Ideally, you will employ bass management (crossover) features built Y-ADAPTOR...
- Page 21 PRE-AMPLIFIER SYSTEM CONNECTION DIAGRAM 4: Two Dominion™ Subwoofers in Stereo to a Two-Channel Audio System When connecting two Dominion™ OUTPUTS subwoofers in stereo to a two-channel audio system, you will assign one Dominion™ to the left channel and the other Dominion™ to the right channel.
- Page 22 SYSTEM CONNECTION DIAGRAM 5: STEREO RECEIVER Connecting one Dominion™ to a Receiver via the Speaker Level Inputs SPEAKER OUTPUTS – – The Dominion™ features speaker level inputs designed to accept the output of an amplified source, such as a stereo receiver’s speaker outputs.
- Page 23 WARNING! TURN OFF THE DOMINION™(s) AND ALL OTHER EQUIPMENT WARNING IN THE SYSTEM BEFORE MAKING OR CHANGING ANY CONNECTIONS! | d108 & d110 Page 23...
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Page 24: Recommended Setup Procedure
RECOMMENDED SETUP PROCEDURES 1) Preparation for Setup Process: ........24-25 2) Level Setting: . - Page 25 LP Filter Polarity off | on 0 | 180 deg. LP frequency (Hz) phase (deg.) Master Level On the Dominion™ Control Panel: 1. “LP Filter” Switch and “LP frequency (Hz)” Knob If your home theater receiver/processor is handling bass management (speakers set on “small”), or if you are using an outboard crossover/bass- management processor, flip the “LP Filter”...
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Page 26: Recommended Setup Procedure
This completes the basic setup process! You can achieve further improvements through the correct use of processing built into your receiver or preamp/processor. Consult with your Authorized JL Audio Retailer if you require further setup assistance. IMPORTANT! WRITE DOWN ALL SETTINGS PERFORMED IN STEPS 1-3 FOR IMPORTANT FUTURE REFERENCE. -
Page 27: Frequently Asked Questions
FREQUENTLY ASKED QUESTIONS Can I place objects on my subwoofer? We do not recommend placing any items on the subwoofer cabinet as they may vibrate, causing undesirable noise and possible damage to the finish. Under no circumstances should any object containing liquid be placed on the cabinet. Will my electric bill be high if I leave the subwoofer plugged in? Whenever it is plugged into AC power, the Dominion™... -
Page 28: Cleaning Your Dominion
3. If your other speakers play, but the Dominion™ does not, try changing the cable that connects the Dominion™ to the system. 4. If the problem persists, call your Authorized JL Audio Retailer or JL Audio Technical Support for assistance. - Page 29 Reconnect the AC power cord. If the replacement fuse blows immediately after a fuse replacement, the subwoofer’s amplifier may require service. Please contact your Authorized JL Audio Retailer or Distributor. Fuse Ratings, 120V Models Only...
- Page 30 INSTALLATION NOTES Page 30 | d108 & d110...
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Page 31: Limited Warranty / Service Information
JL Audio for service. Cosmetic damage due to accident or normal wear and tear is not covered under warranty. -
Page 32: Specifications
38.2 lbs. (17.3 kg) HOME AUDIO | MOBILE AUDIO | MARINE AUDIO | POWERSPORTS “JL Audio”, and the JL Audio logo are registered trademarks of JL Audio, Inc., “Ahead of the Curve” and “Dominion” are trademarks of JL Audio, Inc. Due to continuous product development, all specifications are subject to change without notice.