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RX47
RX57
RX57DIN
RX67
RX67DIN
RX87
RX97
®
Boston Rally Series
Coaxial Speaker Systems
Installation Instructions
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Specifications RX97 RX87 RX67 RX67DIN RX57 RX57DIN RX47 1 1 1 1 ⁄ ⁄ ⁄ ⁄ Nominal Size (woofer) 6 x 9” 5 x 7” 6 2”6 2”5 4”5 4”4” (160mm) (165mm DIN) (130mm) (130mm DIN) (100mm) Recommended Amplifier Power 12–200 watts 12–160 watts 12–160 watts 12–160 watts 12–140 watts 12–140 watts 12–120 watts Nominal Impedance 4 ohms 4 ohms 4 ohms 4 ohms 4 ohms 4 ohms 4 ohms Frequency Response (±3dB, in-car) 35–20kHz 50–20kHz 55–20kHz 55–20kHz 58–20kHz 58–20kHz 85–20kHz 11 1 1 11 5 9 ⁄ ⁄ ⁄ ⁄ ⁄ ⁄ Mounting Cutout
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Table of Contents Tools Required 2 Before You Begin 2 Planning the Installation 3 Speaker Wiring 4 Installing Speakers in Factory Cutouts 5 Installing Speakers in Nonstandard Locations 8 RX47/RX57/RX67 10 RX87/RX97 11 Professional Tips 12 Adding Subwoofers and Electronic Crossovers 13 Notice Installation of automotive stereo systems requires experience with a variety of mechanical and electrical procedures. This manual explains the installation flexibility of the Boston Rally Series coaxial spe
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Tools Required Before You Begin These are the tools required Familiarize yourself with the location of fuel lines, hydraulic brake lines to complete the basic installa- and electrical wiring. Use extreme caution when cutting or drilling tion of the Boston Rally Series around these parts. components. Additional tools Shut off all stereo and other electrical devices before you start. are necessary for more cus- Protect the speakers by keeping them in their plastic bags until final tom work. instal
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Planning the Installation Read all instructions carefully before you attempt any installation procedures. Make sure all operations are clear to you. Make sure you have adequate time and shelter to complete the installation. Many installations require multiple days to complete. Examine the Boston Rally Series speakers and hardware so that you are familiar with them before you start the installation. 1. Decide on speaker placement. 2. Run the speaker wires. 3. Install the speakers and complete th
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Speaker Wiring For your convenience, two sets of two-conductor wire are provided to use between the speakers and the amplifier or head-unit. Other wire may be substituted if desired as long as it is at least 18 gauge. Two-conductor speaker wire connects the positive and negative ter- minals of each speaker to the corresponding positive and negative ter- minals on the amp or head-unit. One side of the wire will be marked in some way. Use the marked conductor to connect the positive terminals and
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Installing Speakers in Factory Cutouts 1. Make sure the mounting surface provides a complete air seal between the front and the back of the speaker. If the surface is uneven, or if air can leak directly from the back of the speaker to the front, seal the air leaks with silicon sealant or weather stripping. Make sure that the sealing material does not touch any moving part of the speaker. 2. Attach the wires to the speaker. 3. Attach the assembly to the factory cutout using four of the supplied #
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RX47 Notice The RX47 is supplied with the grille adapter ring attached to the metal basket of the speaker. For many factory cutouts, this adapter ring will have to be removed for installation. 1. Hold the speaker between both of your palms with the speaker cone facing you. Hook your fingers behind the magnet assembly. 2. Push one locking tab out and back with your thumbs to release it from the speaker frame (see diagram). Repeat this on all sides of the adapter until the adapter falls free. RX
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RX87 and RX97 Installation Option The RX87 and RX97 can also be installed from underneath the rear deck to reduce the installed height of the tweeter module. A spacer is sup- plied with these speakers to protect the rubber surround. The spacer is installed between the speaker and the mounting surface as shown in the diagram. 7
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Installing Speakers In Nonstandard Locations Check the clearance of both speaker locations. Your vehicle may not be symmetrical. (There may be multiple window controls on the driver’s side, for example.) If installing in the doors, remove the interior panel. Avoid possible speaker contact with door frames, handles and window tracks. Check the window clearance by rolling the window up and down. Also check for clearance with the door open and closed. The Boston Rally Series speakers are heavy, and
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1. Trace the template onto the mounting panel. Mark the pilot hole, the edges of the large cutout and the locations of the screws. 2. Make sure that the mounting surface provides a complete air seal between the front and the back of the speaker. If the surface is uneven, or if air can leak directly from the back of the speaker to the front, seal the air leaks with silicon sealant or weather stripping. Make sure that the sealing material does not touch any moving part of the speaker. 9
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RX47/RX57/RX67 1 3. Drill the pilot hole at the center of the cutout, then drill four /8” holes for the speaker’s mounting screws. Make the large circular cutout with a saber saw, hole saw or nibbler (depending on the material). 4. Slip “U”-clips over the screw holes. Position the flat side toward the speaker as shown in the diagram. 5. Attach the wires to the speaker. 6. Attach the assembly to the cutout as shown in the diagram. Use four of the supplied #8 x 1” sheet metal screws or other hardw
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RX87/RX97 1 3. Drill four /4” holes for the speaker’s mounting screws. Make the large elliptical cutout with a saber saw or nibbler (depending on the material). 4. Attach the assembly to the cutout as shown in the diagram. Use the supplied machine screws and nuts or other hardware. Tighten the nuts just enough to seal the woofer against the mounting surface. Do not over- tighten the hardware. 5. Attach the wires to the speaker. 6. Attach the grille front. Snap the grille on to the grille frame f
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Professional Tips • Some installers construct mounting surfaces from MDF. This dense material dampens resonances and provides a rigid mounting surface. • In cases where the speaker is being mounted on the surface of the interior door panel and there is a gap between the panel and the metal of the door, an appropriate thickness of MDF can be used as a spacer. • When mounting the speakers in nonstandard locations in the front of the car, try mounting them as high up and forward in the doors as
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Adding Subwoofers and Electronic Crossovers The best way to combine a subwoofer with your Boston Rally Series speaker system is with an electronic crossover. Level matching (making the subwoofer play at the same level as the coaxial system) and precise frequency division are much easier to get right with an electronic crossover. Additionally, electronic crossovers have no insertion loss, and they isolate the coaxial speakers from the subwoofer’s back EMF. Subwoofer Crossover Frequency Recommenda
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Limited Warranty For one year from the date of purchase, Boston Acoustics will repair for the original owner any defect in materials or workmanship that occurs in normal use, without charge for parts or labor. Your responsibilities are to use the speaker system according to the instructions supplied, to provide safe and secure transportation to the authorized Boston Acoustics service representative and to present proof of purchase in the form of your sales slip when requesting service. Excluded
