Rainbow CS 275.28 Platinum active Installation Manual Download Page 10

10 

 

Installing and Attaching the Tweeter 

 

Installation Location: 

Door Installation (front/rear), rear installation, side view mirror area installation, 
instrument panel installation, and rear windshield deck installation 

 

  Fix the installation template of the tweeters at the selected location with tape and, along the indicated line, 

carefully cut and smooth edges. 

 

 

For an U-bracket (K) installation special threaded bolts M4 on M5 (Q) are included with the system. Screw the 
M4-side of the mounting bolts to the tweeter. The appropriate bolt hole M4 is located in the base of the 
tweeters. Loosely tighten the screw mountings with the an allen wrench. Afterwards screw the tweeter onto the 
mount with hexagonal nut M5 (T) and using the washer M5 (W). 

 

Clamp ring flush mount installation: 

 

Place tweeter (J) in the prepared opening and put clamp ring ® from the back over the tweeter housing. Use the 
three set screws (S) to fix the tweeter by turning them in with the provided allen wrench (see figure 3). 

 

Angle mount installation: 

  Turn in threaded bolt (Q) on back side of the tweeter. Place tweeter (J) through angle mount (M) in the 

prepared opening and put U-bracket (K) onto the threaded bolt. Use washer (W) and screw nut (T) to fix 
tweeter (see figure 4). 

 

U-bracket flush mount installation: 

  Turn in threaded bolt (Q) on back side of the tweeter. Place tweeter (J) in the prepared opening and put U-

bracket (K) onto the threaded bolt. Use washer (W) screw nut (T) to fix tweeter (see figure 5). 

 
 

Figure 3: Clamp ring flush mount installation.

   

 

Figure 4: Angle mount installation 

 

 
 
 
 
 
 
 
 
 
 
 
 
 

Figure 5: U-bracket flush mount installation 

 
 
 
 
 
 
 
 
 
 
 
 

Note: 

Use only the enclosed threaded bolts for the U-bracket attachment method. Use of incorrect or overly 
long screws can damage the tweeters. 

Summary of Contents for CS 275.28 Platinum active

Page 1: ...80 Watt Part No 231444 CS 275 28 Platinum active 2 Way Component System 180 Watt Part No 231445 Please read installation manual carefully before beginning installation RAC GmbH Co KG P O Box 1225 7489...

Page 2: ...ge as a result of use or misuse of this product Working on Automobile Do not use your automobile until all components of the loudspeaker system have been secured to the interior framework Failure to d...

Page 3: ...14 Figure 6 Attaching the Crossover 15 Dear valued customer We congratulate you on your purchase of our superior product and thank you for placing your trust in Rainbow We have put together this inst...

Page 4: ...r the purpose of altering the parts or function is considered foreign interference and grounds for termination of the warranty For the purpose of technical safety the loudspeaker should only be attach...

Page 5: ...Mounting depth without with ring 82 mm External diameter without with ring 180 mm Installation diameter 144 mm Fastening diameter 168 mm Woofer Thiele Small Parameter Resonacne frequency 44 Hz DC res...

Page 6: ...udspeakers may be installed in your vehicle in a variety of places In determining the installation location the following information should be considered The position of the speakers has a decisive i...

Page 7: ...tention to frontstaging and sound variations Frontstaging adjusts itself only if the tweeter is not too far from the midrange and or woofer The decision as to the optimal installation location require...

Page 8: ...m area of the door lining The distance between tweeters midrange and woofers should be kept as small as possible to prevent the sound of the loudspeakers from being negatively impacted fig 1 In order...

Page 9: ...high grade steel nuts M4 D Prepare the space for the woofer by smoothing all metal edges and drill holes carefully removing any metal shavings or pieces As needed apply a protective varnish or edge pr...

Page 10: ...t installation Place tweeter J in the prepared opening and put clamp ring from the back over the tweeter housing Use the three set screws S to fix the tweeter by turning them in with the provided alle...

Page 11: ...distortion Rolling up excess loudspeaker cable length is not helpful as it merely increases chances of distortion The Crossovers With all component systems the tweeter range has been provided with a t...

Page 12: ...ed with the positive terminal and the minus connector with the minus terminal Jumpers marked BIWIRING must be closed see fig 6 first diagram Attach the other end of the loudspeaker cable making sure t...

Page 13: ...the unmarked wire with the minus connection Connect the other end of the loudspeaker cable preferably with suitable contacts to the available connection cable of the tweeters see fig 7 and make sure...

Page 14: ...Reference frequency reponse gliding 2dB per octave Recommended with installation of the tweeters directly in the listening axis and or ear proximity e g A or B pillar front instrument panel area with...

Page 15: ...J1 J2 J8 are for professionals only who have the knowledge and measurement equipment to measure frequency response and phase in the vehicle If you do not have any measurement equipment and you are no...

Page 16: ...dirt or metal shavings in the open magnetic system inappropriate installation for use not corresponding to the intended range of application Electrical Defects Damage resulting from electrical and th...

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