Granite 60.2,
Granite 120.4 and
Granite 180.6
POWER
AMPLIFIERS
OWNER’S MANUAL &
INSTALLATION GUIDE
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You now own the Soundstream Granite Amplifier, the result of a unique design and
engineering philosophy.
To maximize the performance of your system, we recommend that you thoroughly
acquaint yourself with its capabilities and features. Please retain this manual and
your sales and installation receipts for future reference.
Soundstream amplifiers are the result of American craftsmanship and the highest
quality control standards, and if properly installed, should provide you with many
years of listening pleasure. Should your amplifier ever need service or replacement
due to theft, please record the following information, which will help protect your
investment.
Model
Serial Number
Dealer’s Name
Date of Purchase
Installation Shop
Installation Date
Prolonged listening at high levels may result in hearing loss. Even though your new
Soundstream amplifier sounds better than anything you’ve ever heard, exercise
caution to prevent hearing damage.
in the U.S.A. with mil-spec glass epoxy circuit boards, low-loss con-
nections, gold plated input connectors, and metal film resistors.
Darlington High Current Discrete Output Topology Soundstream’s “overbuild
ing” of the output section incorporates Darlington output devices sandwiched
between the circuit board and the heat sink in a design called
ensure cool, efficient amplifier operation.
to
Mixed Mono Capable so you can simultaneously drive a stereo and mono load
(satellites and subwoofer).
2 Ohm Drive Ability
The Granite amplifiers are designed to drive loads all the
way down to 2 Ohms stereo and 4 Ohms bridged.
Built-in Staggered Asymmetrical Crossovers (Granite 120.4, Granite 180.6)
Built-in electronic crossovers are designed to compensate for the acoustics of
the automobile environment. A high pass crossover (at 150 Hz
12
and low pass crossover (at 75 Hz 12 allow you to drive a com-
plete subwoofer and satellite system without the use of passive crossovers.
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Internal Signal Routing (Granite 120.4, Granite 180.6) Permits one pair of
signal cables to drive all 4 channels (Granite 120.4) or two pairs of signal cables
to drive all 6 channels (Granite 180.6).
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Drive Delay Muted
nates any amplifier-related turn-on/off noises.
Flexible Input Sensitivity accepts input voltages from 100
permits maximum output from amplifier with virtually any source unit.
Circuit
a
unique circuit which completely elimi-
to 2.5 V, which
*“Balancing Act” Input Topology for added immunity to ground loops caused by
component and vehicle electrical system interaction.
Your Granite amplifier comes with a limited warranty. Refer to the enclosed
warranty card for length of warranty and conditions.
POWER OUTPUT
Power into
Power into
Ohms
Bridged Power
into 4 Ohms
4
Ohms
2
Granite 60.2
Granite
Granite
THD
at rated power into 4 ohms
S/N Ratio
Damping Factor
Input Sensitivity
100
2.5 V
Dimensions (W x D x H)
Granite 60.2
7” x
x
x
Granite 120.4
x
x
12” x
Granite 180.6
2
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Side View
MONO STEREO STEREO
.
MAIN FUSE
Underside View
1.
2. Ground Main ground connection. Bolt to a clean chassis ground in the vehicle.
3. Remote Remote input from the head unit. Accepts
4. LED Indicates amplifier power on.
Connected to fuse or circuit breaker, then battery’s positive post.
5. Speaker Output
Channels
to
2
6. Input Level Variable from
(Channels 1 2).
7. Inputs Right and Left Channel inputs; only right channel input used in “Mono” position.
8. [underside] Mono/Stereo/Stereo Switch
Select “Mono” for bridged operation (only use
Stereo or Mixed Mono operation.
right channel input) or either Stereo position for
9. [underside] Main Fuse Main power supply fuse. Replace only with same value.
3
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GRANIlE120.4
5 ’
‘
7
1
6
Side View
1
2
MONO
Right
MONO
STEREO
1 5
L-J Underside
Connected to fuse or circuit breaker, then battery’s positive post.
1.
2. Ground Main ground connection. Bolt to a clean chassis ground in the vehicle.
3. Remote Remote turn-on input from the head unit. Accepts
4. LED indicates amplifier power on.
5. Speaker
6. Input Level Variable from
Connections Channels
to
2
(Channels
2).
7. Inputs Standard RCA style connectors (Channels
2). Right channel only for mono.
8. Speaker
9. Input Level -Variable from
(Channels 3 + 4)
to (Channels 3 + 4).
10. Inputs Standard RCA style connectors (Channels 3 + 4). Right channel only for mono.
11.
3 + 4
(input 3 + (input 3 + 4) Switch
MONO position for single channel operation (only right channel is active in Mono). Use
either STEREO input position with RCA inputs from Channels 3 + 4.
12. [underside] Channels 3 + 4
Select either full range or high pass
operation.
13. [underside] Channels
2 Mono/Stereo (input
2) Stereo (input 3 + 4)
MONO position for single channel operation (only right channel is active in Mono). Use
“STEREO
for RCA inputs
Use “STEREO
for RCA input
14. [underside] Channels 1 + 2 Crossover
Select either full range or low pass
operation.
15. [underside] Main Fuse Main power supply fuse, replace only with same value.
4
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GRANITE180.6
1.
Connected to fuse or circuit breaker, then battery’s positive post.
2. Ground Main ground connection. Bolt to a clean chassis ground in the vehicle.
3. Remote Remote turn-on input from the head unit. Accepts
4. LED Indicates amplifier power on.
5. Speaker Output Connections
Channels (1
2
6. Input Level Variable from
to
(Channels 1 + 2).
7. Inputs Standard RCA-type connectors (Channels 1 + 2). Use only right channel for mono.
8. Speaker Output Connections (Channels 3 + 4)
9. input
Variable from
to
(Channels 3 + 4).
10. Inputs Standard RCA-type connectors (Channels 3
Use only right channel for mono.
11. Speaker Output Connections (Channels 5 + 6)
12. Input Level -Variable from
to
(Channels 5 + 6).
13. Inputs Standard
connectors (Channels 5
Use only right channel for mono.
14. [underside] Channels 5 + 6 Mono/Stereo (input 5 + 6) Stereo (input 3 + 4) Switch
MONO position for single channel operation. (Only right channel is active in Mono) Use
“STEREO
for RCA inputs
Use “STEREO
for input from
15. [underside] Channels 5 + 6 Crossover Full range or high pass
16. [underside] Channels 3 + 4 Mono/Stereo (input 3 + 4)
Stereo (Input 3 + 4) Switch
MONO position for single channel operation. (Only right channel is active in Mono) Use
either STEREO input position with RCA inputs from Channels 3 + 4.
17.
18. [underside] Channels + 2 Mono/Stereo (input
MONO position for single channel operation (only right channel is active in Mono). Use
“STEREO for RCA inputs Use ‘STEREO for input from
1 + 2 Crossover Full range or low pass
3 + 4 Crossover Full range or high pass
2) Stereo (input 3 + 4) Switch
19.
20. [underside] Main Fuse Main power supply fuse, replace only with same value.
5
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SPEAKER
(per pair of channels)
MONO
Use Right input only
MIXED MONO
Use
STEREO
Use R inputs
L
R inputs
L
S T E R E O
SWITCH SETTINGS (bottom of amp)
For each pair of’channels, there are two switches (one on 60.2) accessible from
the bottom of the amplifier.
Mono/Stereo Switch: Set to “Mono” to bridge one pair of channels into a
single channel. Only Right channel input is active. When in “Stereo,” a mono
channel can be driven using Left & Right + speaker outputs.
Crossover Switch (Granite 120.4, Granite 180.6): Defeatable high or low
pass crossover. Frequencies are set at 150 Hz, 12 dB/octave on the high
pass and 75 Hz, 12 dB/octave on the low pass.
Following are several possible system configurations driven by a single or two
bridged Granite amplifiers.
HEAD UNIT
1. Granite 60.2
2 Channel Input
2 Channel Output
J.
MONO STEREO STEREO
AMPLIFIER
FULL-RANGE
SPEAKERS
6
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4. Granite
4
Channel
Full Range
Channels 3 and 4
MONO STEREO
2
MONO STEREO
AMPLIFIER
5. Granite 120.4
2 Channel Full Range
Channels 3 and 4
MONO STEREO
Channels 1 and 2
MONO STEREO
AMPLIFIER
8
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6. Granite 320.4
Channel
4
HEAD UNIT
Satellites/2 Subwoofers
Channels
3
and
4
Channels
1
and
2
MONO STEREO
MONO STEREO
AMPLIFIER
SATELLITE
SPEAKERS
SUBWOOFERS
7. Granite
3 Channel
R
Channels
MONO
3
and
4
Channels
MONO STEREO
1
and
2
AMPLIFIER
SATELLITE
SPEAKERS
SUBWOOFER
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8. Granite
Channel
2
HEAD UNIT
and2
Channels 3 and 4
MONO STEREO
MONO
SATELLITE
SPEAKERS
SUBWOOFER
9. Granite 120.4
HEAD UNIT
4 Channel Full Range
Channels
MONO
3
and
4
Channels
MONO STEREO
1
and
2
L
O
W
@
PASS
PASS
AMPLIFIER
FULL-RANGE
SPEAKERS
10
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10. Granite
2 Channel
with
External Crossover
I
High Pass
Low Pass
I
R
1
2
MONO
MONO
AMPLIFIER
SATELLITE
SPEAKERS
Granite 120.4
2 Channel Input
2 pair Satellites/
2 Subwoofer
HEAD UNIT
R
MONO STEREO
M
PASS
AMPLIFIER
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Granite
2 Channel
Channels 5 and 6
RIGHT
SATELLITE
SUBWOOFER
Granite 180.6
4 Channel Input (fadable)
3 Channel Sub
AMPLIFIER
R
R
R
Channels S and 6
MONO STEREO
Channels 3 and 4
MONO STEREO
Channels 1 and 2
MONO STEREO
PASS
PASS
PASS
SUBWOOFER
RIGHT
1 2
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14. Granite
HEAD UNIT
sx-2
External
Crossover
AMPLIFIER
Channels and
MONO STEREO
TWEETERS
MID-WOOFERS
SUBWOOFER
15.
2
Channel Input
HEAD UNIT
6 Satellites/
3 Subwoofers
AMPLIFIER
Channels 5 and 6
13
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16. Granite 280.6
Channel Input
4
HEAD UNIT
4 Satellites/
Subwoofer
AMPLIFIER
R
R
Channels
MONO STEREO
3
and
4
Channels
MONO
1
and
2
Channels
MONO
and
6
H I G H - F U L L
H I G H - F U L L
RANGE
RANGE
PASS
PASS
RANGE
SUBWOOFER
17. Granite
Channel
4
4 Satellites/
HEAD UNIT
2 Subwoofers
M
PASS
PASS
PASS
FRONT SATELLITES
REAR SATELLITES
SUBWOOFERS
1 4
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Granite
6 Channel Input using
External Crossover
Front
Rear Satellites/
2 Subwoofers
Channels 1 and
2
Channels
3
and
4
Channels 5 end
6
19. Granite
6 Channel Input using
External Crossover/
Triamp Tweeters, Mid
Woofers, Subwoofers
Pass
Channels 5 and 6
SUBWDOFERS
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PASSIVE AND
Your Granite amplifier is capable of driving a complete subwoofer and satellite sys
tern in the Mixed Mono configuration. However, for the lowest distortion and the max-
imum output and sound quality, we recommend that you use electronic crossovers
and multiple channels of amplification, as provided in the Granite 120.4 and the
Granite 180.6.
If only two channels of your Granite amplifier are going to be used to drive a sub
woofer and satellite system, passive high and low pass crossovers will be neces-
sary. Use the following charts to determine the values of the crossover components.
6
db/Octave Passive Crossover Chart
L = high quality (DCR 1 Ohm) inductor/coil
C = nonpolarized 50v (or greater) capacitor
6
Low Pass
6
High Pass
Passive Crossover Chart
KEY:
= high quality (DCR
Cl = non-polarized
1 Ohm) inductor/coil
(or greater) capacitor
12
Low Pass
12
High Pass
16
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4 Ohms
C l
2
Ohms
8 Ohms
C l
C l
8 0 H z
22mH
1 8 m H
l . l m H
6 0 0 H z
8 0 0 H z
l . O m H
l . O m H
O. lOmH
AMPLIFIER
AND MOUNTING
Soundstream Granite amplifiers employ highly efficient circuitry and a unique
design to maintain lower operating temperatures. When mounting the
amplifier, it should be securely attached to either a panel or to an amp board or
rack that is securely fastened to the vehicle, away from moisture, stray or moving
objects, and major electrical components (electrical motors, fuel pumps, etc.). To
provide adequate ventilation, mount the amplifier so that there are at least two
inches of freelycirculating air above and to the sides of it.
A. Using the amplifier as a template, mark the mounting surface.
B. Remove the amplifier and drill the holes.
C. Mount the amplifier to the surface using the provided hardware.
You will need the following tools for the wiring of the amplifier: Phillips or slotted
screwdriver, wire strippers and wire crimpers.
When baring wires for connection to the amplifier, remove
to
of the
insulation. For the speaker leads, use the supplied insulated female crimp
connectors and slide the connector onto the terminal on the amplifier. On the
power, ground and remote connections, loosen the screws on the terminal block,
slide the bared wire into the connector-and tighten the screw. Determine from the
chart below the minimum gauge power and ground wire required. Be sure to fuse
the amplifier positive power lead within 18” of the battery.
Amplifier
up to
up to 20’
up to 75’
up 5’
Granite 60.2
12 ga or larger
12 ga or larger 10 ga or larger 10 ga or larger
12 ga or larger 10 ga or larger 10 ga or larger
Granite 120.4 12 ga or larger
8 ga or larger
Granite 160.6 10 ga or larger
8 ga or larger 8 ga or larger
A. Carefully
the audio and remote
to the
B. Connect the speakers as shown in “Speaker Wiring Configurations.” Use at
1 7
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least 16 gauge speaker wire, preferably a flexible multi-strand cable, such as
Soundstream Speaker 120 or Speaker 160.
C. Carefully run the positive power cable from the battery to a fuse or circuit
breaker and then to the
Connect the lead to the battery via either a
fuse or a circuit breaker within 18 inches of the battery. Leave the fuse out or
the circuit breaker off until the installation is otherwise finished. If the circuit
breaker cannot be shut off manually, do not make the final power connection to
it. See chart below for recommended fuse ratings to be used.
Amplifier
Fuse
Amplifier Fuse
15 A automotive
25 A automotive
30 A automotive
Granite 60.2
Granite 120.4
Granite 160.6
20A
30 A
D. Run a ground cable for the amplifier and securely connect it to a solid chassis
ground on the vehicle. The ground cable should be the same gauge as the
power cable.
E. Double check
and every connection.
F. Reconnect the fuse or circuit breaker. Power up the system and the red LED
should be lit. There may be a 2-3 second delay from the time that the source
unit is turned on to the time that the LED on the amp turns on. This is normal.
Once the amplifier power LED is on and the source unit is playing, you should
have sound coming from the speakers.
Wiring Tips
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Use grommets when running cables through any metal or sharp plastic to
prevent accidental shorting or shearing.
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Be certain that the cables don’t interfere with normal operation of the vehicle.
Choose the location of the
cables carefully to prevent interference with the
vehicle’s high current circuits and vehicle management systems (engine comput-
ers, relays, etc.).
LEVEL
The input levels are adjusted by means of a stereo level control located to the left
of the input connectors. When the amplifier is operated in the mono/bridged
mode, only the right channel input is active.
A. Turn the input level controls on the amp to minimum position (fully counter-
clockwise).
B. Set source unit volume to approximately
of full volume.
C. Adjust outboard crossover and processor level controls so the output level of
the processor/crossover equals the input level. To do this, you can plug the
head unit outputs directly into the amplifier and listen to one amp at a time (at
low levels) to establish a reference, then add the crossover or processor and
set its gains to match the reference.
D. While playing dynamic source material, slowly increase the amplifier’s input
level(s) until a near maximum undistorted level is heard in the system.
(continues on back cover)
1
8
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Your Granite amplifier is protected against both overheating and short circuits by
means of the following circuits:
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A main power supply fuse
A fail-safe protection circuit activating at 85°C.
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. Overcurrent Channel Circuit Breakers
Short-circuit shutdown
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TROUBLESHOOTING
PROBLEM
CAUSE
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no power or ground at amp
no remote turn-on signal
blown fuse near battery
blown power supply fuse (accessible
through access cover on-bottom of amp)
No Sound and
are not lit
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speaker or leads may be shorted
verify adequate cooling of the amplifier
speaker load may be less than 2 Ohms
Repeatedly blown amp fuse or
frequent activation of thermal
shut-off
SERVICE
Your Soundstream amplifier is protected by a limited warranty. Please read the
warranty card enclosed with this product.
& PARALLEL
DIAGRAMS
See the diagram below. Note that the manner in which speakers are connected
affects the load presented to the amplifier. Keep your speaker load at 2 ohms or
greater for any Granite amplifier (4 ohms or greater in Bridged Mode).
Two 4 Ohm Speakers
in PARALLEL 2 Ohms
Two Ohm Speakers
in PARALLEL 4 Ohms
Two 4 Ohm Speakers
in SERIES 8 Ohms
T
E
C
H
N
O
L
O
G
I
E
S
SOUNDSTREAM TECHNOLOGIES
120 Blue Ravine Road
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Folsom California 95630 USA
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fax 916.351.0414
tel 916.351.1288
, 520.93
1993
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