Soundstream Technologies Stereo Amplifier Picasso User Manual

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Class A  
hers  
Power Ampli  
Owner’s Manual  
and  
Installation Guide  
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SOUNDSTREAM TECHNOLOGIES  
120 Blue Ravine Road  
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California 95630 USA  
fax 916.351.0414  
ph 916.351.1288  
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Congratulations!  
Table of Contents  
You now own the Soundstream RUBICON Class A amplifier, the most musi-  
cal amplifiers ever created for the 12 volt environment. Your Soundstream  
RUBICON IWKSO and ENOR Class A amplifiers are critically engineered to  
reproduce the most subtle details of high-pass and full-range applications  
and will outperform any other amplifier in the world.  
p4-5  
~6-7  
p8-9  
.............................................................  
Design Features  
...............................................  
................................................  
P@KSO Amplifier Diagram  
RuvolR Amplifier Diagram  
Installation: Speaker Output Modes  
To maximize the performance of your system, we recommend that you thor-  
oughly acquaint yourself with its capabilites and features. Please retain this  
manual and your sales receipt for future reference.  
...............................  
PI0  
Soundstream amplifiers are the result of American craftsmanship and thf  
highest quality control standards. When properly installed, they will providt  
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.  
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Balanced Unbalanced Inputs  
nstallation:  
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Installation: Wiring and Diagram  
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Installation: Mounting  
Model and Serial #  
Dealer’s Name  
p 15  
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Level Setting and Front Spoiler  
Installation:  
Date of Purchase  
Installation Shop  
Installation Date  
p 16-17  
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Picasso System Diagrams  
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Protection Circuitry and Troubleshooting  
Service ...........................................................................  
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Specifications  
3
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Branched  
This new proprietary power  
Dynamically Optimized Power  
Power grid is evenly  
supply topology eliminates “power sags” during low frequency  
reproduction by rapidly increasing the duty cycle, stabilizing the  
power supply and allowing it to deliver the power required when  
reproducing wide band frequencies. Also, greater reserve gate power  
is stored for low voltage conditions that occur during extreme condi-  
tions.  
distributed between primary and secondary power supplies, provid-  
ing greater dynamics and improved RF filtering.  
All transistors are ideally located and sandwiched  
between the circuit board and the  
amplifier operation.  
to provide cool efficient  
Apex Current Topology) Reduces power  
supply stress by 50%. Typical designs degrade the stereo image  
due to phase reversal of even-order harmonic distortion that occurs  
between the inverted channels. In the STACT design, inversion is  
done at the power amplifier drive stage. Since the fully symmetrical  
power amplifier produces no even-harmonic distortion itself and all  
preamplifier circuitry is run completely in-phase, no even harmonic  
distortion phase reversal occurs.  
Differentially Balance RCA Input eliminates ground loop related  
noise in the audio.  
Flexible Dual Input Level Control allows 300  
to 5 V input  
sensitivity. Separate Left and Right level controls allow user to  
optimize system level control.  
Symmetrical Discrete Balanced Class A Drive Boards  
adjust for linear performance while driving low impedance loads.  
Protection Topology provides three types of protection:  
Output protection against short circuits or improper loads  
2. Ground fault detection: Shuts down the amplifier when a signifi-  
Removable Front Spoiler Allows for stealth installation of RCA,  
Balanced Line, Speaker and Power wiring.  
cant voltage  
fluctuation occurs between electrical (turn-on  
lead) and battery ground.  
3. Thermal Protection: Puts the amplifier into thermal rollback or  
shuts the amplifier down in extreme thermal conditions.  
Fully Balanced Inputs for professional-quality performance and  
noise cancellation. The  
DIN plug carries  
signal information  
for Left and Right channels, audio ground, and 15 Vdc to operate  
the Soundstream BLT BLT4 Balanced Line Transmitters.  
Harmonic Bass Alignment The 2nd and 3rd order harmonic peaks  
are critically aligned to fundamental peaks at mid and low frequen-  
cies. This produces tighter, more accurate bass reproduction.  
Amplifier section powers up 2 to 3 seconds after  
Drive Delay II  
the power supply eliminating turn-on pops. Turn off process is  
reversed: Amplifier section turns off first, followed by the power  
Output Clipping Indicators indicate clipping on the output stage of  
the amplifier. Monitoring the clipping indicators allows the user to  
achieve maximum Sound Pressure Level without clipping the  
amplifier.  
4
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KEY TO  
1.  
Power LED Indicates amplifier power.  
2.  
Clip indicators Channels 1 2; Indicates the signal output level is too high  
and the output stage of the amplifier is clipping.  
3.  
4.  
5.  
Left Channel Balanced/Unbalanced input Selector Channel 1; Select  
“BALANCED” to use the  
6
pin Balanced signal input. Select “UNBALANCED” to  
use the RCA signal inputs.  
Right Channel Balanced/Unbalanced input Selector Channel 2; Select  
“BALANCED” to use the 6 pin Balanced signal input. Select “UNBALANCED” to  
use the RCA signal inputs.  
Clip Indicators Channels 3 4; Indicates the signal output level is too high  
and the output stage of the amplifier is clipping.  
Channels  
Input Select Selectable inputs from internal (from channels  
local balanced or RCA Inputs).  
or external (from channels  
Left Channel Balanced/Unbalanced input Selector Channel 3; Select  
“BALANCED’, to use the 6 pin Balanced signal input. Select “UNBALANCED” to  
use the RCA signal inputs.  
a.  
9.  
Right Channel Balanced/Unbalanced input Selector Channel 4; Select  
“BALANCED,, to use the 6 pin Balanced signal input. Select “UNBALANCED” to  
use the RCA signal inputs.  
RCA Inputs Channels 3 4; Right and Left channel RCA (Unbalanced)  
inputs.  
10. Balanced Signal input Connector  
Channels 3 4; 6-Pin Balanced input  
connector for use with the Soundstream  
Balanced Line Transmitter.  
11. Input Levels Channels 3 & 4; Independent Left and Right input level controls.  
12.  
Speaker Connection Terminal Speaker connections for Ch’s 3 4.  
13. RCA Inputs Channels 1  
2; Right and Left channel RCA (Unbalanced)  
inputs.  
14.  
Balanced Signal input Connector Channels 1  
connector for use with the Soundstream  
2; 6-Pin Balanced input  
Balanced Line Transmitter.  
15. input Levels Channels 1 & 2; Independent Left and Right input level controls.  
16. Speaker Connection Terminal Speaker connections for Channels 1 2.  
17.  
REMOTE Remote turn-on input from the head unit. Accepts  
GND Main ground connection. Bolt to a clean chassis point in the vehicle,  
Connected to a fuse or circuit breaker, then to the battery’s positive  
terminal  
19.  
FUSE Main power supply fuse. Warning: Replace only with the same value  
fuse!  
Stereo/Bridged Mono Switch Channels 1 2; Select “Bridge” for bridged  
mono operation (use right channel input). Select “Stereo” for two-channel  
operation.  
Stereo/Bridged Mono Switch Channels 3 4; Select “Bridge” for bridged  
mono operation (use right channel input). Select “Stereo” for two-channel  
operation.  
TOP VIEW  
FRONT VIEW  
BOTTOM VIEW  
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KEY TO  
1.  
2.  
Power LED Indicates amplifier power.  
Clip Indicators Channels 1 2; Indicates the signal output level is too high and  
the output stage of the amplifier is clipping.  
3.  
4.  
Left Channel Balanced/Unbalanced Input Selector Channel 1; Select “BAL-  
ANCED” to use the 6 pin Balanced signal input. Select “UNBALANCED” to use  
the RCA signal inputs.  
Right Channel Balanced/Unbalanced Input Selector Channel 2; Select “BAL-  
ANCED” to use the 6 pin Balanced signal input. Select “UNBALANCED” to use  
the RCA signal inputs.  
5.  
6.  
RCA Inputs Channels 1 2; Right and Left channel RCA (Unbalanced) inputs.  
Balanced Signal Input Connector Channels 1 2; 6-Pin Balanced input con-  
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6
nector for use with the Soundstream  
Balanced Line Transmitter.  
Input Levels Channels 1 2; Independent Left and Right input level controls.  
Speaker Connection Terminal Speaker connections for Channels 1 2.  
REMOTE Remote turn-on input from the head unit. Accepts  
8.  
9.  
10. GND Main ground connection. Bolt to a clean chassis point in the vehicle.  
11.  
Connected to a fuse or circuit breaker, then to the battery’s positive termi-  
nal  
12.  
FUSE Main power supply fuse. Warning: Replace only with the same value  
fuse!  
13. Stereo/Bridged Mono Switch  
Channels 1  
2; Select “Bridge” for bridged  
mono operation (use right channel input). Select “Stereo” for two-channel op-  
eration.  
TOP  
FRONT VIEW  
BOTTOM  
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INSTALLATION STEP 1  
INSTALLATION STEP 2  
The  
Class A  
and  
amplifiers have the ability to operate in  
The  
Class A  
and  
amplifiers have the ability to accept  
any one of the following modes:  
either a standard Unbalanced RCA signal input, or a Balanced “Pro Audio” style  
input signals with the use of the Soundstream BLT Balanced Line Transmitter or  
some other balanced line audio source. Before installing your system, you  
should decide upon which signal type you wish to run. There are advantages to  
both:  
Stereo  
Mono): Use this mode for either stereo operation (left  
and right channels) or for Mixed Mono operation (stereo left and  
plus bridged mono).  
channels  
Use this mode to get a bridged mono output while using only  
UNBALANCED  
BALANCED  
the right channel input and gain control (for use with a singular mono input).  
1. Most preamplifier  
source units have  
Unbalanced RCA outputs  
(Industry Standard).  
2. No Interface module is  
necessary.  
1. Improved Signal to Noise Ratio  
(S/N Ratio).  
2. Excellent noise cancellation  
characteristics.  
3. Immune to noise radiated in  
the car audio environment.  
Please follow the wiring schemes below for the correct operation:  
ADVANTAGES  
The  
300  
amplifiers’ signal inputs accept a wide range of input level: from  
to 5.0 Vrms for both Balanced and Unbalanced inputs. For the best  
S/N Ratio, we recommend that the input level controls be set as far down as  
possible (rotated counter-clockwise), while maintaining an acceptable level of  
output.  
R
+
the “Unbalanced” RCA Input  
When using the Unbalanced RCA input, the  
signal switch in the “UNBAL” position. Also, when first installing the  
amplifier using this input configuration, we suggest that the left channel input  
(channel 2) input  
signal switch be in the “UNBAL” position as well. If vou  
alternator  
whine or other installation noise with both switches in  
“UNBAL”  
trv  
the  
input  
switch to the “BAL”  
This  
should remove any system noise due to the installation.  
the “Balanced”  
Input  
When using the Balanced  
DIN audio input, both switches  
in the  
“BAL” position. Also, we recommend that when using this input configuration,  
the input level controls be set to the “minimum” position (rotated counter-  
clockwise). The system gain should then be adjusted on the BLT Balanced  
Line Transmitter, other other balanced line audio source. For the pin  
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REMOTE TURN-ON  
Connect the “Remote” line to the turn-on lead from the source unit. When  
Volts is received, the amplifier will turn on.  
INSTALLATION STEP 3  
SIGNAL CABLE  
Use a high quality cable that will be easy to install and has minimal signal loss to  
guarantee optimum performance.  
POWER AND GROUND  
To ensure maximum output from your  
Class A amplifier, use high  
SPEAKER CABLE  
Class A amplifiers will accept up to 8 gauge speaker cable. Use  
quality, low-loss power and ground cables and connections. The  
Class A amplifiers will accept up to 4 gauge power and ground cables. Deter-  
mine from the chart below the minimum gauge power and ground wire for your  
application.  
The  
a high quality, flexible, multi-strand cable for best performance and longevity.  
SAMPLE WIRING DIAGRAM  
up to  
up to 20’  
4 or 8 gauge  
4
or  
8
gauge  
4 or  
8
gauge  
4 or  
8
gauge  
CIRCUIT BREAKERS AND FUSES  
EXTERNAL  
Like all audio components, the  
the battery. A fuse or circuit breaker must be located within 18” of the batterv.  
Class A amplifiers must be fused near  
Fuse  
at the  
Battery  
This will prevent a fire in the even of a shorted cable.  
determine the correct fuse value.  
See the chart below to  
Satellite Speakers Only  
INTERNAL  
The  
Class A amplifiers are fused with an automotive-type fuse. In the  
even of a blown power supply fuse, replace with the correct value fuse found in  
the chart below. Never replace the fuse with a higher value than what is  
This may result in amplifier damage and will void  
supplied.  
RUB/CON Amplifier Fuse Values  
Fuse  
25 amp automotive  
25 amp automotive  
30 amp  
30 amp  
13  
12  
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INSTALLATION STEP 5  
INSTALLATION STEP 4  
The input levels are adjusted by means of the individual channel input level  
controls located on the front of the amplifier. This is a unique dual-stage circuit  
that adjusts both level and gain. This topology maintains better S/N Ratio even  
when using sources with minimal output.  
AMPLIFIER LOCATION  
The  
Class A amplifiers employ highly efficient circuitry, a  
engineered heat sink, and a unique Chassisink construction to maintain lower  
operating temperatures. Additional cooling may be required if the amplifier is  
located in a tightly confined area or when driving especially low impedance  
loads at extremely high levels.  
In the ideal situation, all components in the audio system reach maximum  
undistorted output at the same time. If you send a distorted signal to an  
fier, it is simply going to amplify distorted information. The same holds true if an  
outboard processor or crossover begins to distort before you have maximum  
output from the amplifier. By setting all components to reach clipping at the  
same time, you can maximize the output of your system. For the  
When mounting the amplifier, it should be securely mounted to either a panel in  
the vehicle or an amp board or rack that is securely mounted to the vehicle. The  
mounting location should be either in the passenger compartment or in the trunk  
of the vehicle, away from moisture, stray or moving objects, and major electrical  
components. To provide adequate ventilation, mount the amplifier so that there  
are at least two inches of freely circulating air above and to the sides of it.  
Class A amplifiers, follow these steps for setting the input levels:  
1.  
2.  
3.  
Turn the amplifiers’ input levels to minimum position (counter-clockwise)  
Set the source unit volume to approximately of full volume.  
While playing dynamic source material, slowly increase the amplifiers’ input  
level until a near maximum undistorted level is heard in the system.  
THE AMPLIFIER  
Using the amplifier as a template, mark the holes on the mounting surface.  
Remove the amplifier and drill the holes for the mounting screws.  
Secure the amplifier to the mounting surface using the supplied hardware.  
a.  
b.  
c.  
The clipping indicators on the top of the amplifier let you know when the output  
of the amplifier is reaching its maximum level, and has begun to clip.  
WIRING  
Run and connect the audio signal and remote turn-on cables to the  
amplifier from the source unit.  
Carefully run the positive cable from the amplifier to a fuse or circuit  
a.  
b.  
c.  
d.  
breaker within  
of the battery.  
Connect the fuse or circuit breaker lead to the battery. Leave the circuit  
breaker off or the fuse out until everything is bolted down.  
Secure the ground cable to a solid chassis ground on the vehicle. It may  
be necessary to sand paint down to raw metal for a good connection.  
Double check each and every connection1  
Once the amplifier is installed and the proper levels set, place the front spoiler in  
position, and bolt it on using the supplied hardware.  
e.  
f.  
Re-connect the fuse or circuit breaker.  
POWER UP  
Power up the system and look at the Power LED; there may be a 2-3 second  
delay from the time the source unit is turned on to the time that the LED on the  
amp turns on, which is normal. Once the  
LED is on and the source unit  
is playing, you should have sound coming from the speakers.  
15  
14  
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SERVICE  
Your  
Class A amplifier is protected by a limited  
warranty. Please read the enclosed warranty card for details.  
Your  
amplifier is protected against both overheating and short circuits  
by means of the following circuits:  
SPECIFICATIONS  
Main Power fuse  
4
Stereo  
Smart Power Supply Thermal Rollback activating at  
A failsafe thermal protection circuit activating at  
Maximum  
Rated  
2
Stereo  
POWER  
(8 Bridged)  
(4 Bridged)  
(12.5 Vdc)  
output  
(12.5 Vdc)  
NOTE: If you experience blown main power supply fuses, it is  
that the amplifier is seeing a dead short, either in the speaker wire or  
in the speaker itself. Rectify the problem before blowing multiple  
fuses! DO NOT increase values beyond the original fuse value!  
Doing so will void your warrant and may damage your amplifer.  
200 Watts  
x 2)  
x 2)  
THD  
%
20 Hz to 20  
Signal to Noise  
Frequency Response  
Stereo Separation  
Damping  
0.5  
PROBLEM  
CAUSE  
No power or ground at the amp  
No sound and the power LED is not lit. 2. No remote turn-on signal  
Input Sensitivity  
Input Impedance  
300  
1 Ok Ohms  
to 5.0 Volts  
3. Blown fuse near battery  
1. Speaker leads may be shorted  
Repeatedly blown amp fuse; frequent  
2. Verify adequate amplifier ventilation  
activation of the Smart Power Supply  
3. Make sure you aren’t driving  
Circuit  
Dimensions (W x D x H)  
16.0” X 9.8” X 2.25”  
12.25” X 9.8” X 2.25”  
No output from channels  
with 1  
Set the Ch  
input selector swith on  
pair of RCA inputs (Picasso only)  
the top of the amp to “Ch  
Not enough input sensitivity while using Be sure both Left and Right input signal  
Balanced DIN Input  
switches are set to the  
position.  
Output signal level is too high and the  
amplifier output is clipping. Reduce the  
level either at the source or with the  
input level controls.  
Left and Right “Clip” indicators lighting  
Make sure the channel 2 Input Signal  
Switch is in the “UNBAL” position.  
2. Try the Input Signal Switches for  
Alternator whine while using  
Unbalanced RCA inputs  
channels 1, 3 4 in the  
position:  
leave the switches in the quitest  
position. This will not effect the  
performance of the amp.  
19  
18  
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