Soundstream Davinici Car Audio Amplifier
Contents
1. iun eet cee 10 2 lt a 11 Installation and MOUNTING esasen Ee Ph ladini el ap ott isli bb bus eh etu i bt 13 CIrossover d d Rai md 14 Level Setting PRI 15 LSE Q Subwoofer Equalization Circuitry vali e arra A A a RR aatia und 16 AIRBASS M Accessory D N aman Miri alanda aid aaa dl alemine dahli 17 Salle SVSISMIS Dae a da sari WORE Protection Circuitry Troubleshooting amp Service 22 OCC MIC AON e cH OER i ER 23 DESIGN FEATURES Uncompromising Design and Construction including mil spec glass epoxy circuit boards and high current custom gold plated solid aluminum connections that will accept up to 1 0 gauge power ground wire Auto High Current subwoofer channel only Soundstream s exclusive circuit which automatically optimizes your amplifier to its particular application High Current low impedance loads multiple sub woofers less than 2 ohms or High Power higher impedance loads 2 ohms and up Continuously Variable Electronic Crossover Continuously varia2. No sound from sub channel amp A RBASS is not check input settings on top of amplifier verify installed remote or local source inputs e Verify that the A RBASS switch is not engaged SERVICE The DaVinci is protected by a limited warranty Please read the enclosed warranty card 22 SPECIFICATIONS POWER OUTPUT SATELLITE CHANNELS SUBWOOFER CHANNEL 4 Stereo 2 Stereo 8 Bridged 4 Bridged 12 Volts 14 4 Volts 50wx4 100wx4 High 200 w 400 w 500 w 100 w x 2 200 w x 2 Power 100w x2 200w x2 200 w x 1 400 w x 1 THD lt 0 1 Signal to noise Ratio gt 100 dB Frequency Response 20 Hz to 20 kHz 0 5 dB Bandwidth 15 Hz to 50 kHz Stereo Separation gt 90 dB Damping gt 200 Input Sensitivity 500 mV 5 0 V Input Impedance 12 ohms CROSSOVER SPECIFICATIONS all continuously variable 2 High Pass 12 dB octave 60 240 Hz Low Pass 24 dB octave 30 120 Hz 3 way Midbass High Pass 12 dB octave 60 240 Hz Midbass Low Pass 12 dB octave 200 800 Hz Subwoofer Low Pass 24 dB octave 30 120 Hz 4 way Tweeter High Pass Midrange Low Pass 12 dB octave 800 Hz 4 KHz Mid High Pass Midbass Low Pass 12 dB octave 200 800 Hz Midrange or Midbass High Pass 12 dB octave 60 240 Hz Subwoofer Low Pass 24 dB octave 30 120 Hz DIMENSIONS 19 W x 14 Dx 5 5 H 23 SOUNDSTREAM TECHNOLOGIES 120 Blue Ravine Road
3. DA VINCI Limited Edition seven Channel Balanced Inout Amplifier OWNER 5 MANUAL AND INSTALLATION GUIDE CONGRA TULA TIONS You NOW OWN the Limited Edition DaVinci amplifier the product of an uncompromising design and engineering philosophy Your Limited Edition DaVinci amplifier will outperform any other amplifier in the world 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 when properly installed will 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 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 Limited Edition DaVinci amplifier sounds better than anything you ve ever heard exercise caution to prevent hearing damage TABLE 5 PERTH eee 4 5 DaVinci DAM Limited Edition BLT4 M Balanced Line 5 444 40 8 9
4. FREQ FREQ A L ra e Nn FREQ LEVEL LEVEL um IN 2 3 4 IN IN OUT 5 IN CHANNELS 5 6 CHANNELS 1 amp 2 CHANNELS 3 amp 4 CHANNELS 5 amp 6 RIGHT SATELLITE SPEAKERS FRONT MIDBASS SPEAKERS SUBWOOFERS 1 2 3 VA 122 HIGH PASS 12 dB Oct HIGH PASS 12 dB Oct HIGH PASS 24 dB Oct LOW PASS 200Hz 800Hz 60Hz 240Hz 60Hz 240Hz 30Hz 120Hz 12 dB Oct LOW PASS 200Hz 800Hz 20 3 SAMPLE SYSTEM 4 2 way active midbass system Multiple sub woofers Front Rear Fader with Rear Satellite speakers Must be purchased Separately L REAR OUTPUTS To Channel To Channel To Channel 1 amp 2 Input 3 amp 4 Input 5 amp 6 Input FRONT OUTPUTS 3 7 DA uu i 1 HIGH HIGH FAULT REAR K p seo UBWOOFER 0 O DEEMPHASIS 0808 WES XOVER FREQ REMOTE 0 1 2 3 4 5 6 SUB CURRENT POWER Nour CN gt V IC i INPUT OVERLOAD CH1 CH2 XOVER HP LBP LHP HBP HHP BRIDGE CH3 CH4 KOVER K YE HP BRIDGE CH8 CHB REMOTE BRIDGE LEVEL LEVEL m JM FREQ FREQ FREQ m M LEVEL LEVEL m LEVEL LEVEL p om m XOVER Y O a CHANNELS 1 f 2 eet CHANNELS 3 4 WAY IN 2 3 4 IN IN OUT 5 IN OUT OUT CHANNELS 384 CHANNELS 5 amp 6 SUBWOOFER CHANN
5. 3 Left input sensitivity level control Input Overload Indicator Indicates the signal input level CH 3 amp 4 input gain level is too high Input Level Channel 4 Right input sensitivity level control Inputs Unbalanced RCA signal inputs CH 1 amp 2 Output 6 pin DIN Balanced signal output jack CH 1 amp 2 Inputs Unbalanced RCA signal inputs CH3 amp 4 Outputs 6 pin DIN Balanced signal output jack CH 3 amp 4 Channels 1 2 amp 1 4 Input Select Channel 3 amp 4 input selector switch Set to 2 for internal input from Channels 1 amp 2 Set to 4 for external input from Channels 3 amp 4 2 4 SPECIFICATIONS Phantom Voltage THD Signal to Noise Ratio Freguency Response Stereo Separation Input Sensitivity Maximum Output Signal Gain Input Impedance Output Impedance Dimensions 15 Vdc lt 0 01 gt 100 dB 20 Hz to 20 kHz 0 5 dB gt 90 dB 250 mV to 5 0 V 5 0 V 2 5 V per phase 0 to 32 dB Ix to 40x 10 kohms 600 ohms 6 0 L x 2 0 W x 1 22 H INSTALLATION STEP 1 SELECTING THE CROSSOVER MODES The DaVinci amplifier incorporates a sophisticated fully adjustable electronic crossover for each of its three pairs of channels and subwoofer channel The DaVinci amplifier can drive a complete system without need of an outboard electronic crossover 0 HIGH HIGH et oe EM UR pu BWOOFER LOCAL O O O CURRENT U PO
6. the input levels on the BLTA first d b C d Disconnect any speakers from the amplifier Turn the BLT4 input level controls to the minimum position fully counter clockwise Set source unit volume to approximately 3 4 of full volume While playing extremely dynamic source material or a test tone slowly increase the BLT4 input level until the red LED labeled REFERENCE on the top of the BLT4 begins to blink This calibrates the input sensitivity of the BLT4 to the level of your head unit NOTE To set the BLT4 level Soundstream recommends using the Autosound 2000 Compact Disc 102 Track 27 1kHz 0 dB bits high tone If this CD is not available a similar tone from a test CD can be used or an extremely dynamic CD with a high crest factor Remember the loudest CD you have may be the most dynamic The next step is to set the levels on the amplifier While playing dynamic source material adjust the input levels of you amplifier so that the input LED s on the amplifier begin to blink as well This will set the approximate amplifier level For the final amplifier adjustment turn the system off and reconnect the speakers Turn the system on and and turn up the source unit to an acceptable level Adjust the amplifier s input level on each channel until a clean and undistorted level is heard in the system and a good balance between channels is reached Be sure to pay attention to the clipping indicators Th
7. EL CHANNELS 1 amp 2 REAR SATELLITE SPEAKERS SUBWOOFERS SATELLITE SPEAKERS SATELLITE SPEAKERS 1 2 2 12 dB Oct HIGH PASS 12 dB Oct HIGH PASS 12 dB Oct HIGH PASS 24 dB Oct LOW PASS 60Hz 240Hz 60Hz 240Hz 60Hz 240Hz 30Hz 120Hz Ch s 5 amp 6 track off of Ch s 1 amp 2 HP Filter FRONT RIGHT FRONT LEFT 21 UO Vl PROTECTION CIRCUITRY Your DaVinci amplifier is protected against both overheating and short circuits by means of the following circuits e Main power supply fuses 4 30 amps Smart Power Supply Thermal Rollback M activating at 85 C e A fail safe thermal protection circuit activating at 95 C Your amplifier also incorporates an innovative Fault Diagnosis System that identifies a blown power supply fuse NOTE If you experience blown main power supply fuse DO NOT increase value beyond the factory supplied fuses Doing so will void your warranty and may damage your amplifier TROUBL TING PROBLEM CAUSE No sound and LED s are notlit eno power or ground at amp e no remote turn on signal e blown fuse near battery Fault LED is lit amp power supply fuse is blown or missing Repeatedly blown amp fuse frequent e Speaker or leads may be shorted activation of Smart Power Supply Circuit verify adequate amplifier ventilation No sound from channels with input e check input settings on top of amplifier verify remote or local source inputs e Check input switch on
8. Folsom California 95630 USA ph 916 351 1288 fax 916 351 0414 ver 102297
9. WER 0 GANI LSEG XOVER FREQ REMOTE O pur OVERLOAD ub a er 0 Lo m Om Om LOCAL CH2 LBP LHP HBP HHP BRIDGE CH3 CH4 XOVER REMOTE MTA BRIDGE CHE BRIDGE FREQ LEVEL oy T LEVEL LEVEL m m pacc e REM Loc OUT Ox O nn CNS 9 L CHANNELS 5 6 LOW PASS The subwoofer channel is designed to operate in low pass or full range The low pass is a continuously variable 24 dB octave electronic crossover with a range of 30 120 Hz Z WAY HIGH PASS The high pass crossover is used for sending only midrange and high frequency information to particular speakers Activate the high pass crossover to drive satellite or coaxial speakers in the system along with subwoofers The high pass frequency can be adjusted separately for Channels 1 through 4 of the amplifier In 2 way mode Channels 5 amp 6 remote input is fed from Channels 1 amp 2 if Channels 1 amp 2 are high pass so are Channels 5 amp 6 REAR FILL OF EMPHASIS The DaVinci amplifier features an innovative rear fill de emphasis circuit which places more emphasis on the front stage when used in 2 or 3 way modes The circuit removes frequencies from channels 3 amp 4 above 7 000 2 at the rate of 6 dB octave By removing upper frequency information from the rear fill a more natural sounding rear fill effect is created 3 WAY MIDBASS SATELLITE BANDPASS Channels 1 amp 2 and 5 amp 6 of the DaVinci amplifier can be operat
10. ble 4 3 or 2 way crossovers with 12 dB octave high pass and bandpass filters and a 24 dB octave subwoofer low pass filter The six non subwoofer channels of the DaVinci amplifier can be used to drive almost any conceivable system Rear Channel De emphasis In 2 or 3 way mode Channels 384 of the DaVinci amplifier can be used for rear fill and include a de emphasis contour filter a circuit based on theater surround technology in which rear fill information is rolled off at 6 dB octave with a 3 dB point at 7 000 Hz to provide a more realistic listening experience PowerGrid Power Supply Design All power supply components are located near one another for the shortest possible current path and are connected by thick wide PCB traces which ensure rapid high current delivery e Ultra Low ESR Capacitance Bank Multiple miniature stiffening capacitors ensure rapid power de livery for dynamic peaks Multiple small input power capacitors are used to provide a lower ESR Equivalent Series Resistance which means more power faster Proprietary Vari quiet Fan Cooling Internal Heat Sinking and thermostat controlled fan system maintain safe operating temperatures e Smart Thermal Rollback Most amplifiers shut off when they get too hot In the unlikely event the DaVinci amplifier reaches 85 C it will gradually roll back its average power without affecting the dynamics Once the amplifier has cooled off it returns to ful
11. d operation please use the wiring scheme shown below In bridged mono mode only the right channel input is active i e use Channel 2 input for bridging Channels 1 amp 2 Since the DaVinci is full balanced input amplifier and both the stereo left and right information is one balanced DIN plug it may be necessary to drive the right channel input of a bridged pair of channels with information from the left channel The left and right channel information can be swapped at the Balanced Line Transmitter by reversing the left and right channel inputs from the head unit This way left channel audio will be fed to the right channel input of a bridged pair However an additional balanced line transmitter may be required to accomplish this Please see the system diagrams for more details COHERENT STEREO BRIDGED MONO CH2 CH1 S VO VU bridged mono mode oniy the right channel input is active 11 INSTALLATION STEP 3 WIRING POWER AND GROUND To assure maximum output from the DaVinci amplifier use high quality low loss power and ground cables The DaVinci will accept up to 1 0 gauge power and ground cables At least 4 gauge cable is recommended CIRCUIT BREAKERS FUSES EXTERNAL Like all car audio amplifiers the DaVinci must be protected with a fuse or circuit breaker located within 18 of the battery This will prevent a fire in the event of a shorted cable The value of the circuit breaker or fuse shoul
12. d be at least 100 amps depending upon your application INTERNAL The DaVinci is fused internally with four 30 amp glass fuses In the event of a blown power supply fuses the Fault indicator on the front panel will light Never replace the fuse with a higher value than what is supplied This may result in amplifier damage and will void the warranty REMOTE TURN O V Connect the turn on lead from the source unit to the Remote input on the amplifier When 12 volts is received the amplifier will turn on SIGNAL CABLE Depending on your application you may use one to four DIN audio balanced signal cables to drive your DaVinci amplifier Use the cables supplied with the BLT4 Balanced Line Transmitter or see your local Soundstream dealer SPEAKER CABLE The DaVinci will accept up to 8 gauge 4 gauge on sub channel speaker cable Use a high quality flexible multi strand cable for best performance and longevity 12 INSTALLATION STEP 4 INSTALLATION AND MOUNTING 1 AMPLIFIER LOCATION The DaVinci amplifier employs highly efficient circuitry an internal heat sink and fan cooling system to maintain lower operating temperatures Make sure that no debris will be able to fall through the top plate of the DaVinci When mounting the amplifier it should be securely mounted to either a panel in the vehicle or an amp board rack that is securely mounted to the vehicle The mounting location should be either in the passen
13. ed in a midbass satellite bandpass configuration In the 3 way mode you can tri amplify with active midbass to maximize control over individual drivers This low range bandpass filter includes a low pass for the active midbass Channels 5 amp 6 and a high pass filter for the separate satellites Channels 1 amp 2 NOTE n 3 way mode Channels 5 amp 6 inputs nof used input is derived from Channels 1 amp 2 4 MIDBASS MIDRANGE TWEETER BANDPASS Channels 1 through 6 of the DaVinci amplifier can be operated in midbass midrange satellite dual band pass configuration In the 4 way mode you can quad amplify with active midbass midrange and tweeter output to maximize control over individual drivers The low range bandpass filter includes a low pass for the active midbass Channels 5 amp 6 and a high pass filter for the separate midrange output Channels 3 amp 4 The second high range band pass filter includes a low pass filter for the separate midrange output and a separate high pass filter for the separate tweeter Channels 1 amp 2 NOTE In 4 way mode Channels 3 4 5 amp 6 inputs are not used input is derived from Channels 1 amp 2 10 MN Aida sonra 95 INSTALLATION STEP 2 SELECTING INPUT MODES REMOTE LOCAL INPUTS The DaVinci amplifier can be driven with either one two three or four sepa
14. er connections Main Fuses Main power supply fuses 7 Eccc Limited Edition 4 BALANCED INPUT The DaVinci amplifier utilizes professional quality true balanced line audio inputs for maximum fide lity and noise cancellation Supplied with the DaVinci is a Limited Edition BLT4 Balanced Line Transmitter finished in the same 24 karat gold as the DaVinci The BLT4 converts an unbalanced signal standard RCA output from a head unit to a True Balanced Audio signal with all its features and benefits Design Features Phantom Power The BLT4 is powered by the DaVinci amplifier via the mini DIN cable This eliminates additional power ground and remote wire connections Mini DIN Cable The balanced line audio cable features a small convenient 6 mini DIN plug This cable carries and signal information for Left and Right channels audio ground and 15 Vdc to operate the Soundstream Flexible Input Sensitivity The BLT4 is designed for optimum performance with a 5 volt balanced signal level Any head unit having an unbalanced signal output level from 250 mV to 5 0 V can be used to obtain the 5 Volt balanced signal e Independent Level Controls The BLT4 features independent Left and Right channel input level controls for added adjustment flexibility and convenience Channels 2 amp 1 4 Input Select Select input 1 2 if you have a single pair of unbalanced inputs Select input 1 4 if
15. ese will notify you that you are clipping the PREAMPLIFIER stage of the DaVinci If the amplifiers output is distorted and the clipping lights are not blinking you are most likely clipping the OUTPUTS of the amplifier or driving the speaker to distortion INSTALLATION STEP 7 LSE Q THEORY AND USE LSE Q is a proprietary subwoofer control circuit included with the DaVinci amplifier It is capable of both removing subsonic energy in program material and providing a variable boost at low frequencies The circuit consists of two controls One adjusts the frequency WES of operation and the other adjusts the range of boost With both controls adjusted fully counter clockwise no boost is applied and the amplifier is flat in response down to 20 Hz BOGET The frequency control Hz adjusts the starting point of the subsonic filter This high pass filter can be adjusted from 20 Hz up to a maximum of 60 Hz This control is useful FIG 1LSE Q for setting the lowest frequency that your subwoofer will see See Figure 1 10 The Q control adjusts the amount of boost applied at the set frequency st 0 28 This is adjustable from 707 flat to 2 8 9 dB See Figure 2 5 When the is set to 707 Butterworth LSE Q acts as subsonic filter o only See Figure 3 45 20 The simple act of removing the signal below the vented tuning frequency can improve system output by as much as dB Wit
16. ger 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 MODE SWITCHES Set the input switches and crossover switches to the appropriate positions these can be set and adjusted at any time MOUNTING THE AMPLIFIER a Using the amplifier as a template mark the mounting surface b Remove the amplifier and drill the holes c Do not mount the amplifier until all of the wiring is completed WIRING a Run and connect the audio signal and remote turn on cables to the amplifier from the Source unit through the access panel on the bottom of the DaVinci b Carefully run the positive cable from the amplifier to a fuse or circuit breaker within 18 of the battery c Then connect the fuse or circuit breaker 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 Run and connect the speaker wires to the amplifier through the bottom access panel f Double check each and every connection g Reconnect the fuse or circuit breaker h Mount the amplifier in its permanent position POWER UP Power up the system and look in the front access panel
17. gh Pass Low Low Band Pass High Pass Pass Z Way Pass Active Midbass Satellite Pass Active Midbass Tweeter Front Channel 2 Wav Front Channel 3 Wav Front Channel 4 Wav e a NOTE You may find it necessary to readjust the crossover after listening to the system The correct settings are a combination of the capabilities of the equipment and your listening preferences INSTALLATION STEP 6 2 LEVEL SETTING The input levels are adjusted by means of the independent input level controls located under the access panel on the top of the amplifier This is a unique dual stage circuit that adjusts both level and gain This topology maintains better signal to noise ratios even with low output sources In the ideal situation all components in the audio system reach maximum undistorted output at the same time The reason is because an amplifier will only make what comes into it bigger So if you send it a distorted signal from the head unit it is going to amplify distorted information The same thing 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 DaVinci follow the below procedure for the quickest easiest means of setting the levels 1 Turn the amplifier s input levels to minimum position fully counter clockwise 2 Set
18. h O values greater 6 Frequency Hz 50 100 200 than 707 boost is added addition to the subsonic filter See Figure 4 FIG 2 Variable Application 9 5 Woofers vented enclosures good power handling characteristics 9 above the tuning frequency but below the tuning frequency power handling a drops off considerably This is due to the loss of any appreciable resistive air mass At frequencies below 20 resonance the woofer starts to 7 behave as if it were mounted in free 20 Frequency Hz 50 100 290 air If we wish to improve the FIG 3 Variable High Pass performance of a vented system we should remove these unwanted signals by adding the subsonic filter Figure 5 shows the effectiveness of LSE Q on woofer excursion Woofer travel is 7 5 mm at 10 Hz with LSE Q properly adjusted this excursion can be reduced Excursion to less than 1 mm This is of great benefit to lowering woofer distortion and increasing output Frequency Hz 50 100 200 Adjustment An easy method of optimizing your existing subwoofer enclosure with LSE Q s Hz control is as follows 1 Adjust frequency and boost control to full CCW position 1 2 While listening to music with strong bass content at a moderate level 15t slowly adjust the frequency control clockwise Listen for a reduction of 5 bass respo
19. justable subwoofer equalization circuit providing frequency and level adjustment for optimum subwoofer performance A frequency tracking subsonic filter protects woofers from po tentially harmful low frequency information and maximizes output in a usablerange e A RBASS Upgradable This feature allows wireless remote control level adjustment of the sub woofer channel of the DaVinci amplifier DaVinci 7 AN DA VINCI 1 HIGH H FAULT REAR UBW R Q Q o Q O O OREN HE il lel 1 2 3 4 5 6 SUB CURRENT POWER O OT 0 Or 2 INPUT OVERLOAD x 64 Q ML ad OCAL XOVER BRIDGE LEVEL FREQ PREG a LEVEL LEVEL BA FREQ ak 8 LEVEL L RE ere XOVER 2d REM LOC W OUT e 4 4 eae 3 O Oda 4 C C enn CHANNELS 1 2 4 0 CHANNELS 37 CHANNELS 6 WAY 1 3 m 15 46 17 m 1 0 1 22 23 24 25 26 1 28 29 30 35 42 6 ROMA 6 09 een 11 12 13 Input Level Channel 2 independent level control 15 16 17 18 19 20 Input Level Channel 4 independent level control 22 23 24 25 26 28 29 Key to Callouts Input Overload Indicators Indicates the signal input level or input gain level is too high Channels 1 through 7 Auto High Current LED Indicates amplified subwoofer channel power
20. l power output If overheating should continue a second thermal sensing protection circuit will shut off the amplifier if the heatsink reaches 95 c e Unregulated Power Supply 4 ohm power ratings are measured at 12 volts which means substan tially greater output in the real world when the vehicle is running where voltages range from 13 6 to 14 4 volts Dynamic capability of the unregulated power supply is vastly greater than that of a tightly regulated power supply Fault Monitor LED on the front panel notifies you of a blown power supply fuse e 1 Ohm Subwoofer Drive Ability The DaVinci subwoofer channel is designed to be stable into any impedance down to 1 ohm Seven Dual Discrete Class A Drive Stages Over six times the drive current of most amps which maximizes linearity into any load Drive Delay Muted Turn on off Circuit A unique circuit which completely eliminates amplifier related turn on off noises e Fully Balanced Studio Quality Class A Inputs with the Limited Edition BLT4 4 Channel Balanced Line Driver included for professional quality performance and noise cancellation The 6 pin DIN plug carries and signal information for left and right channels audio ground and 15 Vdc to operate the Soundstream BLT4 Balanced Line Transmitter e Flexible Input Sensitivity Variable input sensitivity controls for use with a balanced line transmitter such as the Soundstream BLT4 e LSE Q Fully ad
21. nse Now rotate frequency control slightly backwards This AN BEN serves the purpose of removing the subsonic bass energy E cuc Me FIG 4 Variable Soundstream s LSE Q contains the same type of circuit with the added benefit of infinite adjustability Our Q and Hz control can provide virtually any combination of boost and cut to suit your designs So LSE Q can provide the tailoring needed for any type of assisted design and any woofer 16 EE S s I Ql AIRBASS optional Soundstream AIRBASS feature can be added to the DaVinci amplifier This feature allows wireless RF remote control level adjustment of the DaVinci s subwoofer channel bam NOTE AIRBASS accessory option operates fhe subwoofer channel only AIRBASS does not control the eve of channels 1 6 PEELE ET Ee nie Installing A RBASS involves removing the bottom access panel of the amplifier adding the AIRBASS circuit board and flipping a switch See the diagram below The switch is located on one of the DavVinci s input circuit boards DO NOT set the AIRBASS switch unless the AIRBASS module has been added DO NOT set the A RBASS switch while the amplifier is ON Doing so may damage your speakers Please refer to the AIRBASS owner s installation manual for more details Bolt the A RBASS circuit board to the bo
22. o Su bwoofer 1 amp 2 Input Input i 1 Loc IN t REAR m o o 8 8 0 0 0 9 MAO DE EMPHASIS LEVEL dana ER ioe REMOTE 7 2 3 4 5 0 SUB CURRENT POWER your Oye rm REMOTE BRIDGE VEL LEVEL E M XOVER 2 2 4 WAY um 25 oe e gt PREG m BOR ral 3 FREQ T A Le a TOLO Oy GHANA is 4 2 OO SE 3 i i CHANNEL y 5 6 IN 2 3 4 OUT NA NA 5 CHANNELS 384 CHANNELS 586 CHANNELS 1 amp 2 1 FRONT MIDRANGE SPEAKERS FRONT MIDBASS SPEAKERS SUBWOOFERS FRONT TWEETERS YA ON ux 12 dB Oct HIGH PASS 12 dB Oct HIGH PASS 12 dB Oct HIGH PASS 800Hz 4kHz 200Hz 800 Hz 60Hz 240Hz 30Hz 120Hz 12 dB Oct LOW PASS 12 dB Oct LOW PASS 800Hz 4kHz 200Hz 800Hz 19 SAMPLE SYSTEM 3 3 way active midbass system Head Unit Non fading subwoofer output Multiple subwoofers pode 5 Channel Channel 182 Input 384 Input Note In order to achieve stereo midbass which is derived from Ch s 1 amp 2 the left channel must be plugged into both the Input 1 and 4 of the BLM AN DA VINCI i o 9 HOK Asis tec O O 08 CURRENT POWER gm or INPUT OVERLOAD YOVER HP LUP LHP B gm CH rp REMOTE M ra P
23. of the DaVinci The red High Power LED should be lit 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 power LED is on and the source unit is playing you should have sound coming from the speakers INSTALLATION STEP 5 VER AD crossover the DaVinci is very flexible allowing for high pass bandpass and low pass filters to be set independently of each other In most car audio installations there is a tendency for a midbass boom Because of their interior dimensions most cars will resonate or ring at these midbass frequencies If we design the system so there is less musical information in this region the final response is very smooth and natural sounding For 3 and 4 way systems with active midbass the output level of the midbass channels can also give extra control over this midbass boom The DaVinci incorporates a continuously variable staggered asymmetrical electronic crossover The satellite high and subwoofer low pass portions of the crossover can be adjusted independent of one another However the high and low pass filters of the two bandpass ranges are not independent Follow the procedure below to adjust the crossover Z WAY MODE For initial crossover setup try setting the subwoofer low pass filter to approximately 60 Hz and the high pass filters to approximately 100 Hz Change the crossove
24. on in High Current mode High Power LED Indicates amplified subwoofer channel power on in High Power mode Fault LED Indicates a blow power supply fuse Rear Fill De Emphasis Select IN to engage the 6 dB octave low pass filter at 7 2 on Channels 3 amp 4 2 or 3 way modes only Illumination Turns on and off the back lighting behind the DaVinci icon Vitruvian Man Input Level Subwoofer channel level control LSE Q Gain Q Control Adjustment for the filter Q Boost for the LSE Q sub sonic protection circuit LSE Q Frequency Control Adjustment for the high pass filter frequency for the LSE Q sub sonic protection circuit Subwoofer Channel Crossover Switch Select IN for use with the internal crossover or OUT for use with an external crossover Low Pass Crossover Adjustment Pot Subwoofer channel crossover frequency setting for the internal low pass filter Subwoofer Channel Input Select Select REM for inputs from remote inputs internal link to Channels 1 through 4 or LOC for the local subwoofer channel input Input Level Channel 1 independent level control Channel 1 amp 2 Crossover Switch Select for use with the internal high pass filter or OUT for use with an external crossover or full range operation High Pass Crossover Adjustment Pot Channels 1 amp 2 crossover frequency setting for the internal high pass filter This filter applies to Channel
25. r points to accommodate a good mixture of frequency response power handling and personal preference 3 WA Y MODE Midbass Satellite For initial crossover set up try setting the subwoofer low pass filter to approximately 60 Hz and the high pass filter for the midbass output Channels 1 amp 2 high pass filter at 100 Hz Set the low range band pass crossover point LBP LHP at about 400 Hz 12 o clock Change the crossover points to accommodate a good mixture of frequency response power handling and personal preference 4 WA Y MODE Midbass Midrange Tweeter For initial crossover set up try setting the subwoofer low pass filter to approximately 60 Hz and the high pass filter for the midbass output Channels 1 amp 2 high pass filter at 100 Hz Set the low range bandpass crossover point LBP LHP at about 400 Hz 12 o clock Set the the high range bandpass crossover point HBP HHP at about 2 kHz 12 o clock Change the crossover points to accommodate a good mixture of frequency response power handling and personal preference Warning Be careful when setting the high pass filter frequency for the tweeter A low crossover frequency could potentially damage a tweeter Review the manufacturers specifications for safe operating range A good way to guarantee that the crossover frequency will not be too low is to use a passive crossover network on the tweeter as well as the active control Low High Pass Low Low Band Pass Hi
26. rate balanced audio DIN inputs each DIN input contains an audio pair If your source unit has front and rear outputs you can take advantage of its fading capability by driving the DaVinci amplifier in 2 or 3 way modes with two pairs of inputs When operated this way the low pass subwoofer channel will operate in a non fading mode it derives its signal from the Channel 1 2 3 amp 4 inputs included with the DaVinci amplifier is the Soundstream Limited Edition BLT4 which drives two pairs of balanced audio lines This is perfect for front rear fading capabilities or as a Subwoofer level controller Additional balanced line transmitters can be used to drive all of the channels independently if desired The Remote Local inputs selector switches will be set based on the number of inputs being used and the mode in which the DaVinci amplifier is operating 2 3 4 way Please see the system diagrams on pages 18 21 for more details BRIDGED OP TION The stereo channels of the DaVinci amplifier have the ability to operate in either of the following modes Coherent Stereo with identical left and right stereo channels for maximum fidelity e Bridged Mono for dedicated single channel operation ideal for using the DaVinci in four or six channel operation It is also used when large amounts of power are necessary for single speakers Any of the pairs of stereo channels of the DaVinci amplifier can be bridged onto a single speaker For bridge
27. rossover Adjustment Pot Channels 3 amp 4 crossover frequency setting for the internal high pass filter This filter applies to Channels 3 amp 4 only in 2 and 3 way modes Bridge Mono Switch Channels 3 amp 4 Select IN for bridged mono operation right channel balanced input is only used Select OUT for Coherent Stereo operation Input Level Channel 5 independent level control Input Level Channel 6 independent level control Channel 5 amp 6 Input Select Select REM for inputs from remote inputs internal link to Channels 1 amp 2 or LOC for the local Channel 5 amp 6 input Bridge Mono Switch Channels 5 amp 6 Select IN for bridged mono operation right channel balanced input is only used Select OUT for Coherent Stereo operation 2 3 Crossover Switch All Channel operation Select 2 way for standard subwoofer satellite operation select 3 way for midbass satellite operation on the front channels Select 4 way operation for midbass midrange tweeter operation on the front channels AIRBASS Connector and Switch Optional A RBASS subwoofer level control connector and input switch GND Main ground connection Bolt to a clean chassis ground in the vehicle REM Remote turn on input from the head unit Accepts 12 V 12V Connected to a fuse or circuit breaker then to the battery s positive post 41 Speaker Connections Channels 6 and subwoofer speak
28. s 1 amp 2 in 2 way mode Channels 5 amp 6 remote input in 2 way mode or Channels 5 amp 6 high pass in 3 and 4 way mode See the DaVinci flow chart diagram and system diagrams on pages 17 and 18 for a more detailed explanation Low Range Band Pass High Pass Crossover Adjustment Pot Channels 1 amp 2 crossover frequency setting for the internal low range band pass high pass filter This filter applies to Channels 1 amp 2 satellite high pass filter in 3 way mode Channels 3 amp 4 midrange high pass filter in 4 way mode and Channels 5 amp 6 midbass low pass filter in 3 and 4 way modes High Range Band Pass High Pass Crossover Adjustment Pot Channels 1 amp 2 crossover frequency setting for the internal high range band pass high pass filter This filter applies to Channels 1 amp 2 tweeter high pass filter in 4 way mode and Channels 3 amp 4 midrange low pass filter in 4 way mode Bridge Mono Switch Channels 1 amp 2 Select IN for bridged mono operation right channel balanced input is only used Select OUT for Coherent Stereo operation Input Level Channel 3 independent level control Channel 3 amp 4 Crossover Switch Select IN for use with the internal high pass filter or OUT for use with an external crossover or full range operation Channel 3 amp 4 Input Select Select REM for inputs from remote inputs internal link to Channels 1 amp 2 or LOC for the local Channel 3 amp 4 input High Pass C
29. ttom access panel Route the A RBASS antenna through one of the speaker wire openings Use the ribbon cable to connect the AIRBASS circuit board to the DaVinci Move the switch left to engage the AIRBASS circuit SAMPLE SYSTEM 1 3 way active midbass system Non fading subwoofer output Multiple sub woofers Rear Saige wee up eee To Channel To Channel 1 amp 2 Input 3 amp 4 Input DA VINCI 0 0 0 o sos DR PREI r3 pides FERI E Op Om O OVERLOAD CURRENT POWER 20 0 no dsg am OVER HBBMUB BRIDGE CHI CH4 zm si n BRIDGE rd 72 O FREQ LEVEL LEVEL omen FREQ T A LEVEL LEVEL nm Ez m XOVER Cae CO 2 3 4 LL Cc ei 3 4 L CHANNELS 5 6 WAY IN 2 3 4 OUT WM 5 NA OUT CHANNELS 182 CHANNELS 384 CHANNELS 586 SUBWOOFER CHANNEL FRONT SATELLITE SPEAKERS REAR SATELLITE SPEAKERS FRONT MIDBASS SPEAKERS SUBWOOFERS 3 5 1 12 dB Oct HIGH PASS 12 dB Oct HIGH PASS 12 dB Oct HIGH PASS 24 dB Oct LOW PASS 60Hz 240Hz 30Hz 120Hz 200Hz 800Hz 60Hz 240Hz De Emphasis 12 dB Oct LOW PASS 200Hz 800 2 18 SAMPLE SYSTEM 2 P P 4 way active midbass midrange system e Qe i Head Unit Fader acts as subwoofer eve control Multiple sub woofers To Channel T
30. you have two pairs of unbalanced inputs This enables you to receive 4 channels of balanced line output at times Clipping Indicator BLT4 also features an input level clipping LED This lets you know when you have reached the desired 5 Volts balanced audio signal level Compact Design The BLT4 s chassis is small enough to fit in the dash of you car behind your radio or in dash EO industry Compatible While there is as yet no industry standard for car audio balanced line audio connections you will find an ever growing number of companies use the same 6 pin connector and pin configuration See the diagram below For setting the BLT4 see the section on Level Setting on page 16 BALANCED 15 Volts gt 15 Volts Left Signal _ Right Signal Left Signal Right Signal Shield amp un m G NOTE The pin configuration shown in the diagram is the view looking into the balanced input output jacks on the 4 and the DaVinci 8 FOUR CHANNEL BALANCED LINE TRANSMITTER 1 5 S RUNS TH o BLT4 BALANCED BALANCED OUTPUT 3 4 OUTPUT Key to Cal outs Input Level Channel 1 Left input sensitivity level control Input Overload Indicator Indicates the signal input level CH 1 amp 2 input gain level is too high Input Level Channel 2 Right input sensitivity level control Input Level Channel
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