Soundstream Technologies Speaker System Exact 62 User Manual

Coaxial  
Speaker System  
OWNER’S MANUAL  
 
EXACT 6.2  
DESIGN  
The EXACT6.2 Coaxial Speaker System is the result of highly focused engineering effort. Each  
element of the EXACT6.2 represents several advances in automotive speaker technology.  
When the project was initiated, the following goals were established:  
· High performance sound reproduction in the automotive environment  
· Ease of installation  
· Superb ergonomics and visual appeal  
· High output capability  
· Ability to “tailor” sound to each vehicle  
Through extensive testing and development, the EXACT6.2 has been designed to provide  
extremely consistent on and off-axis response in the automobile. The high output capability and  
1
low frequency extension of the EXACT6.2 are atypical of 6 /2” drivers due to the excursion  
capabilities of the EXACT 6 and the steep crossover slopes of the EXACT6.2X.  
These efforts have resulted in an extremely flexible speaker system that performs flawlessly in a  
variety of installation locations in virtually any vehicle.  
FEATURES  
EXACT6.2 Midrange / Woofer  
The EXACT6.2 represents a departure from typical midrange/midbass drivers by combining  
massive midbass and exceptionally smooth midrange.  
· Copper Inductance Cap for smoother midrange response and lower distortion  
· Natural Fiber Cone designed for optimum rigidity and damping with minimal “coloration.”  
25mm Soft Dome Neodymium Tweeter  
The EXACT6.2's tweeter is an ultra-high performance 25mm Neodymium tweeter designed to  
deliver outstanding high frequency reproduction.  
· Fourth-generation Neodymium Magnetic Assembly providing performance comparable or  
superior to tweeters three times the size.  
· Specially-treated Textile Dome for a natural, smooth response to 20 kHz.  
· Ferrofluid-immersed Voice Coil enhances heat dissipation  
EXACT6.2X Passive Crossover Network  
The EXACT6.2X Passive Crossover represents a new concept in crossover philosophy. The  
EXACT6.2X crossover consists of high quality, multi-element components with two switchable  
functions. First is a three position tweeter level control. Second, is a two position midrange  
“presence” control. The combination of each allows for a multitude of control options. Dual inputs  
allow for multi-channel amp operation of woofer and tweeter circuits.  
· 24 dB/octave Acoustic Summation Crossover Slopes for smooth frequency response  
· Variable Tweeter and Midrange Controls for added flexibility  
· Dual Inputs for multi-amp operation and further flexibility  
· Dynamic Tweeter Level Control allows for improved power handling and continuous output  
· Ultra-low DCR Inductors for minimal signal loss (High power Air-core in woofer path)  
· Mylar Film Capacitors to ensure low saturation and accuracy in the high frequencies  
3
 
LOCATION  
AND  
MOUNTING  
The first step in a successful installation is thorough planning. Choose the location for  
your speaker components carefully. Follow these suggestions to ensure proper  
imaging and the best performance:  
· Choose a location that offers the least obstruction of sound to your ears.  
· Always check behind the chosen mounting locations to make sure that there are no  
obstructions (e.g., trunk springs, gas tank, window tracks) or wires in the way, as well  
as to make sure that there is ample support on which to mount the components.  
4
 
INSTALLING  
THEEXACT6.2  
DRIVER  
The EXACT6.2 Driver can be mounted on the front or rear of a panel; gaskets are  
provided for both options. The bolt hole configuration will fit a variety of standard  
American, Asian and European OEM patterns making it ideal for direct replacement.  
Best performance is achieved when the speaker is securely mounted to a door panel or  
rear deck. There should be no gaps between the speaker and the mounting surface,  
as this will impair its low frequency performance. Be certain that both the panel and the  
speaker are securely mounted to prevent unwanted vibration.  
1) Mark the speaker location by using the template provided.  
2) Cut the opening and debur the edges with a file.  
3) Hold the speaker in place against the mounting surface and mark the mounting bolt  
holes.  
4) Drill the appropriate size hole for the screws provided.  
5) Make all speaker connections prior to mounting the speaker to the panel.  
6) Place the EXACT6.2 into the trim ring, make the speaker wire connections, then  
install the speaker/trim ring assembly to the panel using the screws provided. Affix  
the grille.  
7) When routing speaker cables to the EXACT driver, it is important to form a drip loop  
in the cable below the level of the speaker to keep water from reaching it. See  
EXACT DRIVER  
EXACT CROSSOVER  
1" TO 2" DRIP LOOP  
FIGURE 1  
5
 
MOUNTING  
THE  
EXACT6.2X  
CROSSOVER  
The EXACT6.2X Passive Crossover can be mounted in virtually any location inside the  
vehicle. Be sure not to mount the EXACT6.2X outside the vehicle, or in a location  
where it may be exposed to dirt or moisture (e.g., the engine compartment, inside a  
wheel housing, inside a door, at the bottom of a leaky trunk).  
TWEETER  
LEVEL  
CONTROL  
Tweeter Attenuation  
The EXACT6.2 system has been designed to provide optimum sound in a variety of  
installation locations. The provided crossover allows for three positions of tweeter level  
control: HIGH, MED and LOW. The LOW position is useful for using the EXACT6.2 in  
rear-fill applications. A switch under the clear plastic crossover cover sets one of the  
three positions. See Figure 2.  
MIDRANGE  
LEVEL  
CONTROL  
Midrange Attenuation  
The provided crossover also allows for two positions of midrange level control. A  
switch under the clear plastic crossover cover sets one of the two positions --  
MIDRANGE PRESENCE -- ON/OFF. The ON position provides increased midrange, a  
feature useful for adjusting midrange vocal presence. See Figure 2.  
Tweeter Control  
Midrange Control  
FIGURE 2  
6
 
DYNAMIC  
TWEETER  
LEVEL  
Tweeter Protection Activation  
Under high power/high volume conditions, the dynamic tweeter level control (DTLC)  
circuit may activate. The purpose of DTLC is to prevent failure of the tweeter by  
reducing its output when necessary. You will notice a decrease in high frequency  
output and the light bulb on the crossover board will light up (see Figure 3). The circuit  
is self-resetting -- if the DTLC activates, turn the volume down and normal operation will  
resume in a few minutes.  
CONTROL  
DTLC Light Bulb  
FIGURE 3  
7
 
WIRING  
EXACT6.2 Wiring Diagram  
Figure 4 shows a diagram illustrating the wiring of the EXACT6.2 Component Speaker  
System. It is important to make sure that all connections are in phase; that is positive  
(+) is connected to positive (+), and negative (-) is connected to negative (-), since an  
out-of-phase connection will cause a dislocated image and low bass output. The  
provided cable harness is color coordinated to aid proper connection of crossovers to  
speakers; wire colors should match speaker terminal tab colors. For amplifier to  
crossover connection, we suggest using a minimum of 16 gauge (ideally 12 gauge)  
premium cable. The connectors provided with this system will accommodate wire from  
12 gauge to 16 gauge.  
Head Unit  
Amplifier  
< Tweeter Output  
< Input  
< Woofer Output  
EXACT6.2X  
Crossover  
EXACT6.2X  
Crossover  
EXACT6.2  
EXACT6.2  
FIGURE 4  
8
 
IMPORTANT!  
Bi-Wiring  
NOTES  
ON  
BI-AMPING  
CUT THE TWO JUMPER WIRES IN THE 6.2X  
CROSSOVER FOR ANY  
The EXACT6.2 system includes the  
EXACT6.2X passive crossover which  
is optimized for the speakers. The  
EXACT6.2X allows for dual amp  
inputs. See Figure 5.  
BI-AMP OR BI-WIRING APPLICATION  
This feature allows for a 4 channel  
amplifier or two 2 channel amps to  
power the four individual drivers of an  
EXACT6.2 system. The benefit of this  
is added dynamics and level setting  
flexibility. For example, a head unit’s  
fader control could be used as a  
tweeter level control.  
(See note  
about crossover modification for bi-  
Figure 5 Dual Amp  
Bi-Wire  
Head Unit  
Amp  
Amp  
EXACT6.2x  
Crossovers  
EXACT6.2 Drivers  
9
 
IMPORTANT!  
NOTES  
ON  
BI-AMPING  
(CONT'D)  
Bi-Amping  
CUT THE TWO JUMPER WIRES IN THE 6.2X  
CROSSOVER FOR ANY  
True  
bi-amping can also be  
accomplished with an external electronic  
crossover. See Figure 6. Even greater  
dynamics can be realized with bandwidth  
limited amplifiers. If you decide to bi-amp,  
please follow the recommendations  
below :  
BI-AMP OR BI-WIRING APPLICATION  
1)Use at least a 12dB/octave high pass  
filter no higher than 1500 Hz on the  
tweeters.  
2)Use at least a 12 dB/octave low pass  
filter no lower than 6000 Hz on the  
woofers.  
This “staggered” active arrangement  
allows one full octave of bandwidth  
between the amp’s active range and the  
speaker’s passive range. This stagger  
allows the purpose-designed passive  
network to operate as intended. You will  
gain the benefit of dedicated amplifiers  
Figure 6  
Active/Passive  
Bi-Amp  
Head Unit  
Woofer  
dB  
Active LP and Passive LP  
Active  
Active Crossover  
Passive  
Amp  
Amp  
20 frequency  
100  
500  
1K  
5K  
20 K  
Tweeter  
dB  
Active HP and Passive HP  
Active  
Passive  
20 frequency  
100  
500  
1K  
5K  
20 K  
6.2 Driver  
6.2 Driver  
10  
 
SPECIFICATIONS  
EXACT6.2 System Specifications  
Frequency Response  
Sensitivity  
40 Hz - 20,000 Hz ±3dB  
90 dB SPL at 1 meter (2.83v)  
96 dB SPL at .5 meter (2.83v)  
Continuous Power Handling  
70 watts  
Peak Program Power Handling  
140 watts  
Nominal Impedance  
Crossover Slope Rate  
Crossover Dimensions  
4W  
24 dB/octave ASC  
3.25” (W) x 1.5” (H) x 5.125” (D)  
EXACT6.2 Midrange/Woofer  
Frequency Response  
40 Hz - 6,000 Hz ±3dB  
Continuous Power Handling  
70 watts with EXACT6.2X Crossover  
Peak Program Power Handling  
140 watts with EXACT6.2X Crossover  
Sensitivity  
90 dB SPL at 1 meter (2.83v)  
Nominal Impedance  
Nominal Driver Diameter  
Mounting Cut-Out Diameter  
Mounting Depth  
4W  
6 1/2”  
5 5/8”  
2 7/8”  
Soft Dome Neodymium Tweeter  
Frequency Response  
Sensitivity  
3,000 Hz - 20,000 Hz ±3dB  
90 dB SPL at 1 meter (2.83v)  
Nominal Impedance  
4W  
Nominal Tweeter Diameter  
25mm  
11  
 
(Rev A, 4/15/97)  
120 Blue Ravine Road Folsom  
tel 916.351.1288  
California 95630 USA  
fax 916.351.0414  
 
MOUNTING TEMPLATE  
CENTER  
CUT-OUT  
PILOT HOLE  
EDGE OF  
GRILL RING  
120 Blue Ravine Road  
(Rev A, 4/15/97)  
Folsom  
California 95630 USA  
tel 916.351.1288  
fax 916.351.0414  
 

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