Soundstream AirBass User Manual
Soundstream AirBass User Manual

Soundstream AirBass User Manual

Limited edition seven channel balanced input amplifier
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Limited
Edition
Seven
Channel
Balanced Input Amplifier
OWNER'S MANUAL AND
INSTALLATION GUIDE
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Summary of Contents for Soundstream AirBass

  • Page 1 I) A Limited Edition Seven Channel Balanced Input Amplifier OWNER’S MANUAL AND INSTALLATION GUIDE SOUNDSTREAM@...
  • Page 2 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.
  • Page 3: Table Of Contents

    Features ......~...~.~..~.~~...~...~...~... DaVinci Diagram ..............-... 6 - 7 Limited Edition BLT4TM Balanced Line Transmitter .
  • Page 4: Features

    Auto High CurrentTM (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).
  • Page 5 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 *I5 Vdc to operate the Soundstream BLT4TM Balanced Line Transmitter. Flexible Input Sensitivity - Variable input sensitivity controls for use with a balanced line transmitter, such as the Soundstream BLT4.
  • Page 6: Davinci Diagram

    DA V I N C I DaVinci FRONT PANEL v v v v _..----_ __-----__ BOTTOM PANEL...
  • Page 7 3-way for midbass / satellite operation on the front channels. Select 4-way operation for midbass / midrange / tweeter operation on the front channels. 31. A/RBASSTM Connector and Switch - Optional AIRBASS subwoofer level control connector and input switch. 32. GND - Main ground connection. Bolt to a clean chassis ground in the vehicle.
  • Page 8: Limited Edition Blt4Tm Balanced Line Transmitter

    Mini-DIN Cable - The balanced line audio cable features a small convenient 6-pin mini-D I This cable carries (+) and (-) signal information for Left and Right channels, audio ground Vdc to operate the Soundstream BLT4. Flexible Input Sensitivity - The BLT4 is designed for optimum performance with a 5 volt balanced signal level.
  • Page 9 ;-~jhJNDSTRl3M* ;-&jjv REFERENCE 0 how’s BLT4 - INPUT - 1. Input Level - Channel 1 (Left) input sensitivity level control. 2. Input Overload Indicator - Indicates the 3. Input Level - Channel 2 (Right) input sensitivity level control. 4. Input Level - Channel 3 (Left) input sensitivity level control. 5.
  • Page 10: Selecting Crossover Modes

    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. INPUT OVERLOAD- LOW PASS The subwoofer channel is designed to operate in low pass or full range.
  • Page 11: Selecting Input Modes

    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&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.
  • Page 12: Wiring

    Depending on your application, you may use one to four DIN audio balanced signal cables to drive 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.
  • Page 13: Installation And Mounting

    INSTALLATION STEP 4 INSTALLATION AND MOUNTING 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.
  • Page 14: Crossover Adjustments

    INSTALLATION STEP 5 CROSSOVER ADJUSTMENTS The crossover in 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.
  • Page 15: Level Setting

    BLT4 to the level of your head unit. (NOTE: To set the BLT4 level, Soundstream recommends using the Autosound 2000 Compact Disc #IO2 Track 27,l kHz 0 dB “all 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.
  • Page 16: Lse.q Subwoofer Equalization Circuitry

    “subsonic” bass energy. 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.
  • Page 17: A/Rbasstm Accessory Option

    AIRBASS (optional) Soundstream AlRBASS feature can be added to the DaVinci amplifier. This feature allows wireless RF remote control level adjustment of the DaVinci’s subwoofer channel. I - @ NOTE; The AlRBASS accessory option operates fhe subwoofer channel only. AIRBASS does not control the /eve/ of channels 7 - 6.
  • Page 18: Sample Systems

    To Channel To Channel l&2 Input 3&4 Input DA V I N C I IUPUT OVERLOAD- II 3 CHANNELS l&2 CHANNELS 3&4 IL- \ REAR SATELLITE SPEAKERS FRONT SATELLITE SPEAKERS I/‘ 12 dB/Oct HIGH PASS 12 dB/Oct HIGH PASS (200Hz - 800Hz) (60Hz - 240Hz) + De-Emphasis 3-way active midbass system...
  • Page 19 To Channel To Su bwoofer l&2 Input Input DA V I N C I CHANNELS l&2 CHANNELS 3&4 FRONT MIDRANGE SPEAKERS FRONT TWEETERS 12 dB/Oct HIGH PASS 12 dB/Oct HIGH PASS (800Hz - 4kHz) (200Hz - 800 Hz) 12 dB/Oct LOW PASS (800Hz - 4kHz) 4-way active midbass/midrange system Fader acts as subwoofer /eve/ control...
  • Page 20 - - - - n C- T- To Channel To Channel l&2 Input 3&4 Input Note: In order to achieve stereo midbass (which is derived from Ch’s l&2), channel must be plugged into the left both the Input 1 and 4 of the BLT4. DA V I N C I II y c;’...
  • Page 21 L” FRONT OUTPUTS To Channel To Channel l&2 Input 3&4 Input DA V I N C I INPUT OVERLOAD CHANNELS l&2 CHANNELS 38‘4 FRONT FRONT LEFT RIGHT SATELLITE SPEAKERS SATELLITE SPEAKERS 12 dB/Oct HIGH PASS 12 dB/Oct HIGH PASS (60Hz - 240Hz) (60Hz - 240Hz) (Must be purchased Separately) 2-way active midbass system...
  • Page 22: Protection Circuitry, Troubleshooting & Service

    Repeatedly blown amp fuse, frequent activation of Smart Power Supply Circuit No sound from channels with input No sound from sub channel & AIRBASS is not installed. The DaVinci is protected by a limited warranty. Please read the enclosed warranty card.
  • Page 23: Specifications

    SATELLITE CHANNELS 4 a Stereo 2 a Stereo (4 R (8 C2 Bridged) 12 Volts 14.4 Volts 5owx4 lOOwx4 Watts (100 w x 2) (200 w x 2) lOOwx2 200 w x 2 (2OOwxl) (4OOwxl) c 0.1% Signal-to-noise Ratio r 100 dB Frequency Response 20 Hz to 20 kHz +/- 0.5 dB Bandwidth...
  • Page 24 SOUNDSTREAM TECHNOLOGIES 120 Blue Ravine Road Folsom California 95630 USA fax 916.351.0414 ph 916.351.1288 ver. 10.22.97a...

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