Soundstream Exact 10 Manuale di programmazione
12
SOUNDSTREAM TECHNOLOGIES
120 Blue Ravine Road •Folsom •California 95630 USA
tel 916.351.1288 fax 916.351.0414
(REV B, 7/8/98)
1
Subwoofers
OWNER'S MANUAL AND
INSTALLATION GUIDE
2
SUBWOOFER
CONGRATULATIONS! You have chosen a superior product for
reproducing true high fidelity in the car. This precision component, when
properly installed, is capable of audiophile-quality performance. The EXACT
10 and 12 woofers are well-suited for sealed, vented, sealed bandpass and
vented bandpass enclosures. They also work well in infinite baffle installations
at one-half the power rating.
Should your woofer ever require service or replacement, recording the
information below for your own records will help protect your investment.
Model Number:___________________________________________________________
Serial Number: ___________________________________________________________
Dealer’s Name: __________________________________________________________
Date of Purchase: ________________________________________________________
Installation Shop: _________________________________________________________
Installation Date: _________________________________________________________
DESIGN FEATURES
•Installation Flexibility -The EXACT woofers perform well in smaller-sized sealed, vented
and bandpass enclosures. Regardless of the application, the EXACT woofers perform!
•Heavy Cast Aluminum Frame provides extra rigidity and damping with Blue Powder
Coat Finish for durability and scuff resistance.
•Ultra-High power handling Voice Coil with Glass Polymide Former increases power
handling and performance. Aerospace grade adhesives and materials insure longevity and
high performance.
•High Excursion Design -The EXACT woofer offers an Extra Long Voice Coil for extra
high output. New Ultra-Excursion Surround helps support this.
•Computer Numerically Controlled (CNC) machined magnet plates and pole piece
precisely focus the magnetic energy for optimum performance. High Emissivity Coating
and Copper Thermal/Inductor Ring for improved power handling and lower distortion.
•Vented Pole Piece for greater voice coil cooling.
•Rubber Magnet Cover for added durability and exceptional appearance.
•Custom-designed High Strength Spider controls the long travel cone assembly.
•Gold Plated 8 Gauge Terminals ensure consistently outstanding connectivity for cable
hook-up.
•Designed and Manufactured in the U.S.A.
11
55
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105
110
10 100 1000
Frequency Hz
dB
SEALED BANDPASS
Sealed Bandpass
•Rear = .8 ft3sealed
•Front = .6 ft3@ 64 Hz (4” x
10.25" port) -Very high output,
excellent for Rock or Rap.
•Rear = 1.0 ft3 sealed
•Front = 0.8 ft3 @ 65 Hz (Two 4”
x 12.5” ports)-Good output with
very small enclosure.
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10 100 1000
Frequency Hz
dB
10
Sealed
•1.3 ft3-Good linear response,
excellent small enclosure.
Vented
•1.2 ft3@ 34 Hz (4” x 16.9”
port) -High output with
excellent low frequency
extension. Good general
enclosure.
•2.0 ft3@ 30 Hz (4” x 12.25”
port) -High output with good
low frequency extension. Great
for Rock music.
•2.5 ft3@ 26 Hz (4” x 13.28”
port) -High output with good
low frequency extension. Great
for Rock and Rap music.
Infinite Baffle
•Excellent performance for all types of music at moderate levels
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95
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105
110
10 100 1000
Frequency Hz
dB
SEALED
VENTED
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105
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10 100 1000
Frequency Hz
dB
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10 100 1000
Frequency Hz
dB
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Frequency Hz
dB
3
Freq. Response 32-500 Hz 30-500 Hz
Sens. 2.83v/1m 90 dB 92 dB
Impedance (nom. z) 4 ohms 4 ohms
Rated Program Power 400 watts 500 watts
Fs 35 Hz 30 Hz
Qts .32 .34
Qms 8.9 12.08
Qes .33 .35
Vas (ft3)1.80 4.54
Vas (liters) 51 128.6
Vas (m3).051 .128
Cms (um/N) 329.8 322
DCR (ohms) 3.00 2.81
Levc (mH) @ 1 KHz 1.5 1.5
BL (Tesla m) 10.98 11.42
Sd (in2)54.3 86.7
Sd (m2).035 .053
Sd (cm2)350 531
X max; one way (linear mm) 11.35 11.35
X max; one way (peak mm) 22 25
Vd (linear cm3)397 602
Vd (peak cm3)770 1325
Vd (linear m3).000397 .000602
Vd (peak m3).000770 .001325
Mms (grams) 60 87.3
Magnet Assembly (oz) 230 230
Magnet Weight (oz) 112 112
Vf (volume of frame) 180 in3200 in3
Coil length (mm) 32 32
Coil diameter (in)
22
Preliminary
SPECIFICATIONS & THIELE/SMALL PARAMETERS
4
SELECTING AN ENCLOSURE
There are several different enclosure designs for different applications.
The EXACT subwoofers work very well in all the following enclosure
designs. It is up to you to select the specific enclosure that will work
the best for your particular application.
Infinite Baffle
Infinite baffle is the simplest type of subwoofer installation. In this type
of installation, the woofer(s) is mounted to a baffle which is then
mounted to either the rear deck or back seat of the vehicle. The best
results are achieved when the trunk area is virtually airtight and
isolated from the passenger compartment.
Sealed Enclosure
Sealed enclosures are relatively simple to build and install, as all that is
required is an airtight box. The larger the sealed enclosure, the more
the performance resembles that of an infinite baffle installation.
Vented Enclosure
Vented enclosures use a sealed enclosure with a vent or port in the box
Pros Cons
•Good low frequency exten-
sion down to the tuning fre-
quency
•High power handling down
to the tuning frequency
•Higher output than sealed
enclosures
•Low power handling
below the tuning fre-
quency
•Almost no output
below the tuning fre-
quency
Pros Cons
•Very good low frequency
extension
•Very good transient re-
sponse
•High power handling
•Medium efficiency
Pros Cons
•Excellent low frequency extension
•Excellent transient response
•Uses almost no trunk space
•Lower power handling
•Low to medium efficiency
SEALED
VENTED
9
SEALED BANDPASS
55
60
65
70
75
80
85
90
95
100
105
110
10 100 1000
Frequency Hz
dB
Sealed Bandpass
•Rear = .8ft3sealed
•Front = .4 ft3@ 58 Hz (4” x
17.5” port) -Very high output,
excellent for Rock or Rap.
8
Sealed
•.5 ft3Good overall enclosure.
Good for classical and jazz.
•1.0 ft3-Excellent small
enclosure. Very good for
classical and jazz. Good for
rock.
Vented
•.5 ft3@ 43Hz (3” x 14.5” port) -
Good overall enclosure.
•1.0 ft3@ 35 Hz (3” x 10.25”
port) -High output with good
low frequency extension. Great
for Rock and Rap music.
•.75 ft3@ 38 Hz (3” x 12.00”
port) -High output with good
Infinite Baffle
•Excellent performance for all types of music at moderate levels
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60
65
70
75
80
85
90
95
100
105
110
10 100 1000
Frequency Hz
dB
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105
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10 100 1000
Frequency Hz
dB
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10 100 1000
Frequency Hz
dB
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10 100 1000
Frequency Hz
dB
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Frequency Hz
dB
5
which is tuned to resonate at a specific frequency.
Sealed Bandpass Enclosure
Sealed bandpass enclosures enclose both sides of the
woofer(s). An airtight enclosure is built around the front and back of
the woofer and one
chamber is ported to a specific frequency.
CALCULATING NET INTERNAL ENCLOSURE VOLUMES
When constructing any type of enclosure, you must be aware that the
outside dimensions DO NOT represent the true (Net) volume inside.
Such things as woofers, ports, thickness of enclosure material, dividing
walls, and any internal bracing will reduce the total amount of the
actual air space available. The following worksheet has been designed
to provide you with the necessary steps to accurately calculate the
absolute (Net) internal volume of any given enclosure.
Calculating Cylindrical Port Volume
1. Measure the outside diameter of the port and divide by 2 for the
radius.
2. Square the radius and multiply by 3.14 (π) to arrive at outside port
area.
3. Multiply the area by the length of
the port inside the enclosure for the
port volume.
outside
diameter
lengthinside
enclosure
Pros Cons
•High power handling
within the operating
frequencies
•Very high output within
the range of the oper-
ating frequencies
•Low power handling
beyond the tuning
frequency
•Poor to moderate
transient response
•Poor low frequency
extension
SEALED BANDPASS
6
Measuremaximumpossible dimensions
Multiplywall thickness by2
Subtract thisfromeachdimensionto
arrive at Gross Internal Dimensions
MultiplyLxWxDto arrive at
Gross InternalVolume
DeductVf(volume ofthespeakerframe)
fromGross InternalVolume
Braces?
NoYes
Calculate bracevolume and deduct
fromGross InternalVolume
DeductVf(volume ofthespeakerframe)
fromGross InternalVolume
Youare atNet InternalVolume
incubicinches(in)
3
Toconvert toLITERS:
Divide inby61.03
Toconvert toCUBICFEET:
Divide inby1728
3
3
ENCLOSURE VOLUME FLOWCHART
7
BUILDING THE ENCLOSURE
•Determine the dimensions of your enclosure.
•Be certain the box you have designed will fit into the location you have
chosen. Sometimes making a cardboard box with the same outside
dimensions is helpful.
•Use 3/4 inch thick Medium Density Fiberboard (MDF) or High Density
Particleboard. It is preferable to cut the wood with a table saw to ensure
straight, even joints. If a table saw is not available, a circular saw is
acceptable.
•Use a “T” square to verify precise right angle gluing.
•Use a high quality wood glue and air nails or wood screws to assemble the
enclosure. Elmer’swoodworker’s glue and Weldwoodwork well. To
guarantee an airtight box, seal each inside joint with silicone sealant.
•For Sealed Enclosures, stuff the chamber with 50-75% filling (approximately
1.5 pounds per cubic foot) of fiberglass insulation or Dacron.
•For Vented Enclosures, staple 1 inch thick fiberglass insulation or Dacron to
all walls of the enclosure except the baffle to which the woofer is mounted.
•Use the supplied gasket to seal the woofer in the enclosure and eight(8)
wood screws or T-nuts and bolts. Progressively tighten each of the bolts or
screws to prevent warping the woofer frame.
•Use slide-on connectors to attach speaker wires. Do not solder wires to the
provided terminals as this may cause damage to the factory wire
connection. This may also void the speaker’s warranty.
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1
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