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INSTALLATION STEP 4

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
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.

2

3.

4.

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.

b

.

C.

d .

e.
f

h

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.
Carefully run the positive cable from the amplifier to a fuse or circuit breaker within 

 of

the battery.

Then connect the fuse or circuit breaker 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.

Run and connect the speaker wires to the amplifier through the bottom access panel.
Double check each and every connection!

Reconnect the fuse or circuit breaker.

Mount the amplifier in its permanent position.

5.

POWER UP

INSTALLATION AND MOUNTING

Power up the system and look in the front access panel 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.

13

Summary of Contents for AirBass

Page 1: ...I A v Limited I N C I Edition Seven f Channel Balanced Input Amplifier OWNER S MANUAL AND INSTALLATION GUIDE SOUNDSTREAM E C N 0 0 G E S...

Page 2: ...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 qualit...

Page 3: ...9 Selecting Crossover Modes 10 Selecting Input Modes 11 Wiring 12 Installation and Mounting 13 Crossover Adjustments I 14 Level Setting 15 LSE Q Subwoofer Equalization Circuitry 16 A RBASSTM Accessory...

Page 4: ...pacitance 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 Resistanc...

Page 5: ...lexible Input Sensitivity Variable input sensitivity controls for use with a balanced line transmitter such as the Soundstream BLT4 LSE Q Fully adjustable subwoofer equalization circuit providing freq...

Page 6: ...DaVinci DA V I N C I l 3 l 4 I 5 l 6 l 7 l 8 l 9 2 O 2 l 2 2 25 24 25 26 27 28 29 30 FRONT PANEL 35 36 37 0 0 v v v v 38 39 40 41 I I I I __ __ _ _ I s _ BOTTOM PANEL 6...

Page 7: ...idrange high pass filter in 4 way mode and Channels 5 6 midbass low pass filter in 3 and 4 way modes High Range Band Pass I High Pass Crossover Adjustment Pot Channels l 2 crossover frequency setting...

Page 8: ...used to obtain the 5 Volt balanced signal l Independent Level Controls The BLT4 features independent Left and Right channel input level controls for added adjustment flexibility and convenience l Cha...

Page 9: ...CH 3 4 input gain level is too high 6 Input Level Channel 4 Right input sensitivity level control 7 Inputs Unbalanced RCA signal inputs CH l 2 8 Output 6 pin DIN Balanced signal output jack CH l 2 9...

Page 10: ...ly 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...

Page 11: ...inci amplifier have the ability to operate in either of the following modes 0 Coherent Stereo TM with identical left and right stereo channels for maximum fidelity 0 Bridged Mono for dedicated single...

Page 12: ...th 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...

Page 13: ...mount the amplifier until all of the wiring is completed WIRING a b C d e f g h Run and connect the audio signal and remote turn on cables to the amplifier from the source unit through the access pan...

Page 14: ...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 appro...

Page 15: ...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 inpu...

Page 16: ...racteristics above the tuning frequency but below the tuning frequency power handling de i0 drops off considerably This is due to the loss of any appreciable resistive IS 1 4 FIG 5 Limited Excursion s...

Page 17: ...it board and flipping a switch See the diagram below The switch is located on one of the DaVinci s input circuit boards DO NOT set the AlRBASS switch unless the AlRBASS module has been added DO NOT se...

Page 18: ...0 0 0 O DE EYPHASIS II 3 y SUB CURRENT WWER t I OUl t f IUPUT OVERLOAD 0 0 wp CHANNELS l 2 b FRONT SATELLITE SPEAKERS I IL OUT N A OUT CHANNELS 3 4 CHANNELS 586 SUBWOOFER CHANNEL REAR SATELLITE SPEAKE...

Page 19: ...t DA V I N C I IN IN i i OUT CHANNELS 3 4 NI A OUT CHANNELS l 2 CHANNELS 5 6 SUBWOOFER CHANNEL FRONT MIDBASS SPEAKERS FRONT TWEETERS FRONT MIDRANGE SPEAKERS SUBWOOFERS I 12 dB Oct HIGH PASS 800Hz 4kHz...

Page 20: ...V I N C I IN 1 REM IN 0 0 II y c y y 0 0 0 SUB CURRENT POWER INPUT OVERLOAD CHANNELS l 2 RIGHT SATELLITE SPEAKERS LEFT SATELLITE SPEAKERS 3 I I 12 dB Oct HIGH PASS 200Hz 800Hz 2 3 4 IN IN OUT 5 IN N A...

Page 21: ...th Rear safellife speakers _ I DA V I N C I IN 1 REM I INPUT OVERLOAD IN 2 3 4 IN CHANNELS l 2 CHANNELS 38 4 5 OUT OUT CHANNELS 5 6 SUBWOOFER CHANNEL FRONT RIGHT FRONT LEFT SATELLITE SPEAKERS SATELLIT...

Page 22: ...your amplifier Y PROBLEM CAUSE No sound and LED s are not lit Fault LED is lit Repeatedly blown amp fuse frequent activation of Smart Power Supply Circuit No sound from channels with input No sound fr...

Page 23: ...Separation 90 dB Damping 200 Input Sensitivity 5 0 0 mV 5 0 V Input Impedance 12 k ohms CROSSOVER SPECIFICATIONS all continuously variable 2 way High Pass 12 dB octave 60 240 Hz Low Pass 24 dB octave...

Page 24: ...T E C H N 0 L 0 G I E S SOUNDSTREAM TECHNOLOGIES 120 Blue Ravine Road l Folsom l California 95630 USA ph 916 351 1288 l fax 916 351 0414 ver 10 22 97a...

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