Soundstream Technologies Angina A4 Stereo Amplifier User Manual
Contents
1. p 12 Crossover Adjustments for the A4 p 12 Hawkins Bass Control Theory and Use p 13 Wifiigianzazizzionia iaia iaia loi p14 Installation and Mounting ii p 15 Level Setting and Trident Protection p 16 Sample System Diagrams i p 17 20 Troubleshooting and Service iii p 21 Specifications for the ANGINA ii Re p 22 Specifications for the A4 sisi p 23 Desian features of the Angina SLA SH Speaker Load Adapting Subwoofer Hyper Efficient This new dual function technology currently operates in two different ways in different models In subwoofer applications the power supply tracks the incoming audio signal and increases or decreases its own voltage level to mirror the input This design results in enormous low impedance low frequency stability and maximum efficiency since no power is wasted maintaining an unnecessarily high voltage level in the power supply Trident Protection Topology provides three types of protection 1 Output protection against short circuits or improper loads 2 Ground fault detection Shuts down the amplifier when a significant voltage gt 5 Volts fluctuation occurs between electrical turn on lead and battery ground 3 Thermal Protection Puts the amplifier into shutdown in extreme thermal conditions Hawkins Bass C2. the vehicle away from moisture stray or moving objects and major electrical com ponents 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 MOUNTING THE AMPLIFIER a Using the amplifier as a template mark the holes on the mounting surface b Remove the amplifier and drill the holes for the mounting screws c Secure the amplifier to the mounting surface using the supplied hardware WIRING a Run and connect the audio signal and remote turn on cables to the ampli fier from the source unit b Carefully run the positive cable from the amplifier to a fuse or circuit breaker within 18 of the battery C Connect the fuse or circuit breaker lead to the battery Leave the circuit breaker off or the fuse out until everything is bolted down d 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 e Double check each and every connection Reconnect the fuse or circuit breaker Pomel 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 amplifier LED is on and the source unit is playing you should have sound coming from the speakers IMPORTANT ANGINA NOTE The initial power up connection will leave
3. BO mE SUB SONIC LOER SOUNDS F M A4 CROSSOVER The A4 uses a S I P Series In line Package resistor network for high pass crossover functions factory set at 150Hz However the low pass is adjusted using a 12dB oct variable crossover that has a range of 50 to 220Hz as seen in the shaded area below Front View of the A4 CE va en FUSE 12Y REM GND 5 2 3 4 IMPORTANT_NOTE On the A4 amplifier a full range signal can he achieved by removing the S LP entirely Hawkins Bass Control Subwoofer drivers in general have excellent power han dling characteristics over their operational bandwidth This bandwidth is deter mined by many factors in cluding driver design and enclosure type It is possible to overdrive any subwoofer 5 Frequency Ha 50 100 700 driver by sending powerful Figure 1 signals outside of its operational bandwidth These potentially damaging sig nals can be removed by adding a subsonic filter Figure 1 shows the effective ness of the Hawkins Bass Control on woofer excursion in a vented enclo sure The woofer travels 7 5mm at 10Hz With Hawkins Bass Control prop erly adjusted this excursion can be reduced to less than 1 mm This is ol great benefit to lowering woofer distortion and increasing output With Soundstream s Hawkins Bass Control the boost and frequency con trol can provide the tailoring ne
4. level control Symmetrical Discrete Balanced Class A Drive Boards Auto adjusts for linear performance in low impedance loads Cal outs for the Angina Top Panel FERRI RCAIN ANGINA HAWKINS BASS o BE 80Hz X Gue SUB SONIC S UNDSTREAM 1 Power LED Indicates amplifier power 2 Subsonic Hawkins Bass Control Switch Select Subsonic to engage the Subsonic filter at 13Hz Select Hawkins Bass Control to engage the 6dB boost 45Hz for the lowpass channel 3 Input Selection Switch Select SPKR IN RCA OUT to engage the high level speaker inputs and the RCA s become outputs to run to an other amplifier Select RCA IN to engage the RCA s as inputs 4 Low Pass XOVER Switch A selectable crossover frequency switch at 60 80 or 1 00Hz Callouts for the Angina Front Panel 5 6 7 8 9 10 C OUTPUT SPKR IN 12V REMIN RCA LEVEL GND REM OUT de Le IGO FUSE as tv 12V Connected to a fuse or circuit breaker then to the battery s positive terminal Remote In Remote turn on input from the head unit Accepts 12V Speaker Connection Terminal Speaker connections to the mono sub channel High Level Speaker Inputs Left and right inputs from a speaker level source Inputs Right and left RCA inputs for the mono sub channel Input Level The mono channel input level control Fuse Main power supply fuse Warning Replace only with the
5. RUBICON Angina A4 Power Amplifiers Owner s Manual and Installation Guide Conaratulations You now own a Soundstream RUBICON amplifier the product of an uncom promising design and engineering philosophy Your Soundstream RUBICON amplifier will outperform any other amplifier in the world 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 Soundstream amplifiers are the result of American innovation and craftmanship with the highest quality control standards When properly installed they will provide you with many years of listening pleasure Should your amplifier ever need service or replacement due to theft please record the following informa tion which will help protect your investment Model and Serial Dealers Name Date of Purchase Installation Shop Installation Date CAUTION Prolonged listening at high levels may result in hearing loss Even though your new Soundstream Rubicon amplifier sounds better than anything you ve ever heard exercise caution to prevent hearing damage Table of Contents Design Features for the ANGINA p4 5 Design Features for the A4 p6 7 Callouts for the ANGINA i p8 9 Callouts for the A4 ii p10 11 Crossover Adjustments for the ANGINA
6. e with the correct value fuse found ithe chart below Never replace the fuse with a higher value than what is supplied This may result in amplifier damage and will void the warranty RUB CON Amplifier Fuse Values Amplifier Fuse Battery Fuse Circuit Breaker 25 amp automotive 25 amp automotive REMOTE TURN ON gt onnect the Remote line to the turn on lead from the source unit When 12 olts is received the amplifier will turn on Note Remote wire is not needed vhen the Angina is using the speaker level inputs SIGNAL CABLE Jse a high quality cable that will be easy to install and has minimal signal loss to juarantee optimum performance SPEAKER CABLE he RUBICON amplifiers will accept up to 8 gauge speaker cable Use a high juality flexible multi strand cable for best performance and longevity 14 Ins_talla tion and Mounting AMPLIFIER LOCATION The RUBICON amplifier employs highly efficient circuitry a custom engineered heat sink and a unique Chassisink construction to maintain lower operating tem peratures 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 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
7. ed to a fuse or circuit breaker then to the battery s positive terminal 10 10 11 12 13 14 15 Callouts for the A4 Remote Remote turn on input from the head unit Accepts 12V GND Main ground connection Bolt to a clean chassis point in the vehicle Speaker Connection Terminal Speaker connections for channels 1 amp 2 and 3 amp 4 Low Pass Filter Control Adjustment Crossover frequency control for the internal low pass filter Input Levels Stereo input level control for channels 1 amp 2 Input Levels Stereo input level control for channels 3 amp 4 RCA Inputs Right and Left channel RCA inputs for channels 1 amp 2 and 384 Crossover S I P s High pass crossover frequency settings for ampli fier Bottom Plate View BRIDGED 2 CHANNEL OPERATION A CHANKE OPERATION 1 3 a 1 a4 ALL PASS operclicni SPEAKER CONNEC OK DIAGRAM Crossover Adiustmen ts ANGINA CROSSOVER The ANGINA is designed as a mono subwoofer amplifier This means the a amplifier will direct 200 watts of pure hard core bass to your subwoofers It handles these low frequencies with a Butterworth 12dB octave low pass filter These low pass frequencies are directed by the three position switch which sits on top of the amplifier as shown in the shaded area below The switch selects from the following three frequencies 60 80 or 1 OOHz Top View of the ANGINA b mmo A
8. eded for any type of assisted design and any woofer in any type of installation The Angina and A4 amplifiers share the same fixed Hawkins Bass Control technology A two position switch on the top of the amplifiers control the Hawkins Bass Control or Sub Sonic filters as seen in the shaded area below When the Hawkins Bass Control is engaged a 6dB boost is applied at 45Hz The Sub Sonic setting will engage the 13Hz subsonic filter with nc boost Top View of the ANGINA ANGINA SOUNDS HAV RUBICONA4 S UND AV 13 Wiring POWER A ND GROUND fo ensure maximum output from your RUBICON amplifier use high quality tow oss power and ground cables and connections The RUBICON amplifiers will accept an 8 gauge power and ground cables Determine from the chart below the ninimum and maximum gauge power and ground wire for your application up to 10 up to 20 Angina 8 or 10 gauge 8 gauge only 8 or 10 gauge 8 gauge only CIRCUIT BREAKERS AND FUSES XTERNAL ike all audio components the RUBICON amplifier must be fused near the battery fuse or circuit breaker must be located within 18 of the batterv This will prevent 1 fire in the event of a shorted cable See the chart below to determine the correct use value NTERNAL he RUBICON Angina and A4 amplifiers are fused with automotive type fuses n the event of blown power supply fuses replac
9. fuses and the following circuits Speaker Protection Ground fault Protection A fail safe thermal protection circuit 16 Angina Sample Systems RCA Outputs ene Amite RP DIO after market radio au nec acon SEU FEB CE curvi SPIN I RMN GND REMOUT hi A4 Sample Systems A4 Sample Systems 2 channel mode running front speakers 4 channel mode running front and rear speakers Front RCA Outputs ZS Front Right Speaker Front Left Speaker Front Speakers Rear Speakers 2 channel mode running subwoofers 3 channel mode running front speakers and subwoofers eur LEVEL LEVEL Q 50 7220 He CH1 2 CH3 4 Front Speakers 19 Angina and A4 Sample Syste Troubleshoo ting Complete Sys tem whil ng a Factory Radi E es AE TC Spir io 1 No power or ground at the RADIO No Sound and power LED is not amp lit 2 No remote turn on signal 3 Blown fuse near the battery PLL E fatt 5 1 No signal input ra 2 Speaker leads may be No sound power LED is lit shot ted 3 Speaker leads may be referenced to ground RCA Outputs 1 Speaker output may be shorted to ground 2 Speaker leads may be shorted to each other Check continuity with a volt meter Amplifier output cuts on off repeatedly 1 Speaker or leads may be shot ted 2 Amplifier load may be
10. gt 100dB 20Hz to 20kHz 0 5dB gt 90dB gt 200 200mV to 5 0 Volts 1 Ok Ohms Crossover Specifications Low Pass High Pass Full Range 50Hz 220Hz 12dB Octave Removable SIP 150Hz 12dB Octave Removing the SIP chips all together Hawkins Bass Control Hawkins Bass Control IN is a 6dB boost at 45Hz Sub Sonic filter frequency is at 13Hz Dimensions W x D x H A4 10 X 7 X 2 3 23
11. ier down in extreme thermal conditions Hawkins Bass Control Provides focused subwoofer boost and routes wasted subsonic power to the audible bandwidth The A4 contains the fixed Hawkins Bass Control which allows you to boost bass 6dB at 45Hz A built in subsonic filter at 45Hz helps protect the speakers Harmonic Bass Alignment The 2nd and 3rd order harmonic peaks are critically aligned to fundamental peaks at low frequencies This pro duces tighter more accurate bass reproduction Drive Delay Il Muting Amplifier section now powers up 2 3 seconds after power supply eliminating turn on pops Turn off process is reversed Amplifier section turns off first followed by power supply Dynamically Optimized Power Grid Power grid is now evenly dis tributed between primary and secondary power supplies providing greater dynamics and improved RF filtering 6 Desiun Features of the A4 Chassisink All transistors are sandwiched between the circuit board and the heatsink to provide cool efficient amplifier operation in a smaller package Continuously Variable Lowpass Crossover Networks 12dB oct low pass crossover variable from 50 to 220Hz Built in Staggered S I P Crossover Networks Built in high pass elec tronic crossover is designed to send high pass information to the ampli fier with a 12dB oct slope Flexible Input Level Control 200mV to 5V input sensitivity Stereo level control allows user to optimize system
12. ontrol provides a focused subwoofer boost 0 6dB at 45Hz and routes otherwise wasted amplifier power back to the au dible bandwidth Harmonic Bass Alignment The 2nd and 3rd order harmonic peaks are critically aligned to fundamental peaks at low frequencies This pro duces tighter more accurate bass reproduction Drive Delay II M Amplifier section powers up 2 to 3 seconds after the power supply eliminating turn on pops Turn off process is reversed Amplifier section turns off first followed by the power supply Chassisink All transistors are ideally located and sandwiched be tween the circuit board and the heatsink to provide cool efficient ampli fier operation Differentially Balanced RCA Input eliminates ground loop related noise in the audio path Variable Crossover Network 12dB octave low pass filter that is se lectable at 60 80 or 1 00HZz Symmetrical Discrete Balanced Class A Drive Board auto adjusts for linear performance while driving low impedance loads 4 Design Features of the Angina High Level Input with terminal block connector will accept a speaker level input This allows the user to hook this amplifier up to any factory headunit Auto Turn On allows the amplifier to turn on without the use of a re mote turn on wire when the amplifier is using the high level inputs Remote Wire Output provides a 12 volt output to turn on another amplifier Line Level Output will allow the use of another S
13. oundstream amplifier to run the front speakers while still retaining the factory head unit This option is only available when the high level inputs are used Desiqn Features of the A4 RUBI Power Supply Rapid Use Branched Impulse Our new power supply eliminates power sags during low frequency reproduction by rapidly increasing the duty cycle stabilizing the power supply and allow ing it to deliver the power required when reproducing low frequencies Also greater reserve gate power is now stored for low voltage conditions that occur during extreme conditions STACT Stabilized Apex Current Topology Reduces power supply stress by 50 Use of inverted channels usually degrades the stereo image due to phase reversal of even order harmonic distortion that oc curs 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 preamp cir cuitry which does produce even harmonics is run completely in phase no even harmonic distortion phase reversal occurs Trident Protection Three types of protection for RUBICON amplifiers 1 Output protection against short circuits or improper loads 2 Ground fault detection shuts down the amplifier when a significant 5 volt or greater voltage fluctuation occurs between audio ground and bat tery ground 3 Thermal protection will shut the amplif
14. same value fuse GND Main ground connection Bolt to a clean chassis point in the vehicle Remote Out Remote turn on output to control a second amplifier 9 Callouts for the A4 Top Panel View RUBICONA4 roe O fim w ns SUB HAWKINS NMOL Ste MOR CP INPUT SONG BABS i i CONTROL SUM 3 4 SUM 4 caiz i i ques SOUNDS FAV 3 4 5 x CHI 2 Subsonic Hawkins Bass Control Switch Select Subsonic to engage the Subsonic filter at 13Hz Select Hawkins Bass Control to engage the 6dB boost 45Hz for the lowpass channel 3 ST MO 2 LP Switch Select ST for normal stereo operation MO for bridged mono operation with a single input signal number 2 input only LP for low pass bridged mono operation with input from chan nels 3 amp 4 4 ST MO 3 LP Switch Select ST for normal stereo operation MO for bridged mono operation with a single input signal number 3 input only LP for low pass bridged mono operation with input from chan nels 3 amp 4 5 Input Selection Switch Selectable inputs for channels 3 amp 4 from internal channels 1 amp 2 or external channels 3 amp 4 ET TI FUSE 12V REM GND 1 4 X OVER x n A f DO A so 22 di 2 deo de i E cHi 2 cho Front Control Panel View 4 Pa 6 Fuse Main power supply fuse Warning Rep ace on y with the same value fuse 7 12V Connect
15. the amplifier power light on for about one minute after turning off Normal operation will occur after that 15 Level Setting The input levels are adjusted by means of the input level controls located on the front of the amplifier as shown below in the shaded area 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 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 amplifier it is simply going to amplify distorted information The same holds true if an outboard pro cessor 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 RUBICON amplifier follow these steps for setting the input levels 1 Turn the amplifiers input levels to minimum position counterclockwise 2 Set the source unit volume to approximately 3 4 of full volume 3 While playing dynamic source material slowly increase the amplifiers input level until a near maximum undistorted level is heard in the system ce FUSE 12V REM GND a Trident Pro tec tion Circuitry Your RUBICONA4 ANGINA amplifiers are protected against both overheat ing and short circuits by means of main power
16. too low 3 Verify adequate amp ventilation Repeatedly blow amp fuse frequent activation of Trident protection or Smart Power Supply Circuit NOT if you experience blown main power supply fuses ii is likely 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 vafue Doing so will void your warranty and may damage your amplifier Front Speokers Rear Speakers Service Your Soundstream RUBICON amplifier is protected by a limited warranty Please read and send in the enclosed warranty card 20 Specifica tions for the Angina 4 Q Mono 2 Q Mono MODEL 12 6 Vdc 14 4 Vdc Angina 100Wx1 200W x 1 THD lt 0 1 Signal to Noise gt 90dB Frequency Response 20Hz 0 5dB to 100Hz 3dB Stereo Separation NA Damping gt 100 Input Sensitivity 200mV to 5 0 Volts Input Impedance 1 Ok Ohms Cross0 ver Specifications Low Pass Select between 60 80 and 1 OOHz 12dB Octave Hawkins Bass Control Hawkins Bass Control IN is a 6dB boost at 45Hz Sub Sonic filter frequency is at 13Hz Dimensions W x D x H ANGINA 5 3 X 7 X 2 3 22 Specifications for the A4 40 Stereo 12 6 Vdc 2 Q Stereo 4 Q Bridged 14 4 Vdc THD Signal to Noise Frequency Response Stereo Separation Damping Input Se nsitivity Input Impedance lt 0 1
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