Broan Car Amplifier SPA1900D User Manual

LIMITED WARRANTY  
DB DRIVE warrants any products purchased in the U.S.A. from  
an authorized DB DRIVE dealer. All products are warranted to be free  
from defects in material and workmanship under normal use and  
service for a period of (1) year when the unit is installed by an autho-  
rized DB DRIVE dealer. Non-authorized dealer installed products carry  
a one (1) year parts and labor limited warranty. This warranty applies to  
the original purchase only.  
DB DRIVE will either repair or replace (as its option) any unit  
that has been found to be defective and under warranty provided the  
defect occurs within:  
One (1) year if purchased through an authorized DB DRIVE dealer.  
SPA90.2 SPA90.4 SPA150.4  
SPA1000D SPA1300D  
This limited warranty does not extend to units that have been  
subjected to misuse, abuse, neglect, or accident. Products that in DB  
DRIVE’s judgment shows evidence of having been altered, modified, or  
serviced without DB DRIVE’s authorization, will be ineligible under this  
warranty.  
SPA1600D SPA1900D  
AMPLIFIERS  
To obtain warranty service please contact your retailer or see  
our web site at wwwdbdrive.net for more details.  
DB Research L.L.P.  
Instruction Manual  
• Instalation Instructions / Owners Manual •  
302 Hanmore Industrial Parkway // Harlingen, TX 78550  
®
Due to continuous improvement of the product the Specifications are subject to change without notice.  
Line out  
FEATURES AND BENEFITS  
Full range line outputs have been provided for convenient connection to additional amplifi-  
ers in the system. The outputs are buffered to reduce signal loss. Please note that the  
amplifier’s input level adjusts these level outputs.  
DC Offset Protection  
This circuit protects the output of the amplifier against DC voltage. If for some reason DC  
voltage is detected at the output stage, the amplifier will shut down protecting the speakers  
from direct current.  
Power Fusing  
This protects the amplifier against short circuits and excessive current.  
Short Circuit Protection  
The circuit protects the amplifier from damage due to a short found in the speakers or  
wiring. If one of the speakers or its wiring comes in contact with ground, the amplifier will  
shut down. To resume normal operation, correct the problem and turn the head unit off, then  
back on. The amplifier will reset and play again.  
Remote Turn-on  
Automatically turns amplifier on when connected to the head unit’s remote output. The  
amplifier will turn on and off with the head unit to save current consumption. This control  
also operates the reset circuit for the amplifier’s protection. It must be connected with the  
head unit in order to reset protection circuits.  
Thermal Protection  
To protect the amplifier circuitry against damage caused by prolonged exposure to high  
temperatures, a thermal protection circuit is activated if the amplifier reaches excessively  
high operating temperature. Once the thermal circuit is activated, the amplifier will shut  
down to cool off. The amplifier will automatically turn back on once it cools down to a safe  
operating temperature.  
Adjustable Input Sensitivity  
Allows you to fine-tune the level matching between your source and the power amplifier.  
Low Impedance Stability  
Power Indicator  
The diagnostic L.E.D. illuminates when the amplifier is on and receiving power.  
SPA1000D -1 Ohm Mono  
SPA1300D -1 Ohm Mono  
SPA1600D -1 Ohm Mono  
SPA1900D -1 Ohm Mono  
Built-in Crossover  
SPA90.2 -2 Ohm Stereo, 4 Ohm Bridged  
SPA90.4 -2 Ohm Stereo, 4 Ohm Bridged  
SPA150.4 -2 Ohm Stereo, 4 Ohm Bridged  
The “Speed Series” amplifiers include a built-in variable crossovers. The crossover features  
a variable frequency selection for precise low pass filtering for the SPA1000D, SPA1300D ,  
SPA1600D and SPA1900D. The SPA90.2 , SPA90.4 and SPA150.4 also offer the same  
frequency selection with the option of low or high pass filtering.  
Power and Speaker Distribution Blocks  
Heavy gauge bare wire distribution blocks are provided for maximum power and signal  
transfer with minimal resistance.  
Bass Boost (SPA1000D SPA1300D SPA1600D SPA1900D)  
For added low frequency performance the amplifiers are equipped with a variable *0~18 dB  
bass boost @ 45Hz.  
3
4
MOUNTING LOCATION  
POWER CONNECTIONS  
(SPA90.2 , SPA90.4 , SPA150.4 , SPA1000D ,  
SPA1300D , SPA1600D , SPA1900D )  
Before you start the installation, it will be necessary to find a mounting location for the ampli-  
fier. Find a location in which the amplifier will receive adequate ventilation in order to  
dissipate the heat it develops during operation. Two popular mounting locations are in the  
trunk or under the seat.  
power  
R (-) R (+) L (-) L (+)  
fuses  
+12v rem gnd  
Select the location in which you wish to mount the amplifier. Use caution when mounting  
amplifier, there are many wires, gas lines, vacuum lines, brake lines as well as a gas tank  
in the automobile. Make sure you know where they are when mounting the amplifier to  
avoid puncturing lines, shorting wires or drilling holes in the gas tank. Once you are ready,  
use a pencil to mark the mounting holes in the bottom panel. After you have marked the  
locations of the holes move amplifier out of the way and drill small starter holes to make the  
tapping screws easier to install. Use provided screws to tighten down the amplifier.  
protect  
speaker  
output  
(-) ------ bridged ------ (+)  
Turn on Remote  
In-Line Power fuse  
Mounted Within 12”  
From Battery  
-
+
Recommended.  
94.7  
Battery  
+12V  
IMPORTANT! Before making any connections, disconnect the car’s battery until the instal-  
lation is completed to avoid possible damage to the electrical system.  
Connect the amplifier to the car’s battery  
At times, the amplifier will need to draw large levels of current that cannot be provided by  
any circuit in the car’s fuse box. We recommended using a 4 to 8 gauge power wire for your  
connections depending on the amplifier and length of the wire. Strip one end of the wire to  
connect to the terminal on the amplifier marked “batt+”. Loosen screw terminal and connect  
bare wire and tighten. Use caution to make sure no stray wire strands come in contact with  
surrounding terminals causing short circuits. Run the wire directly to the positive terminal of  
the car’s battery. Make sure to use an in-line fuse within 12” of the car’s battery to protect  
the electrical system and amplifier against short circuits and/or power surges.  
Connect the ground terminal of the amplifier to the car’s chassis  
spa90.2  
classAB 2 channel amplifier  
350 watts  
For the ground connection, use a 4 to 8 gauge wire (black) to connect to the terminal  
marked “ground” and then connect it to the car’s chassis. Try to keep the length of the cable  
as short as possible, preferably less than 6”. Also make sure that the point on the car where  
the connection is to be made is free of paint and dirt.  
Connect the remote terminal of the amplifier to a switchable +12V source  
This connection allows the amplifier to be turned on and off with the power control of the  
radio. If the radio has a REMOTE output terminal, connect it to the amplifier’s terminal  
marked “remote” (using a 16 gauge wire or heavier). Now when the radio is turned on, the  
amplifier will automatically turn on. This connection can also be made to the radio’s Power  
Antenna wire.  
5
6
SPEAKER CONNECTIONS  
SIGNAL CONNECTIONS  
IMPORTANT! The following speaker connection are for the amplifier in normal mono  
configuration.  
Connect the RCA output of the head unit (AM/FM cassette player, CD, or DAT) to the RCA  
input terminals of the amplifier.  
Make the speaker connections using speaker wire that is at least 16 gauge or heavier.  
To make these connections, we recommend high quality RCA cables, which are available  
at your local car audio retailer. Run signal wires away from electrical wires to avoid possibil-  
ity of induced noise from the car’s electrical system (i.e. popping noises or engine noise).  
As with any audio component, proper phasing of the amplifier and speakers is essential for  
strong bass response. When connecting, make sure that positive (+) from the amplifier is  
connected to the positive (+) of the speaker, and the same for negative (-).  
Please note that although the SPA1000D, SPA1300D , SPA1600D and SPA1900D are  
mono amplifiers, we have provided two sets of speaker terminals on the amplifier. These  
terminals are connected in paralleled internally (connected together). The second set of  
speaker terminals are intended for ease of connection when running multiple woofers.  
in  
out  
bass  
boost  
L
level subsonic  
lpf  
remote  
min max  
20Hz 50Hz  
40Hz 130Hz 0dB 18dB  
R
spa1300D  
classD monoblock amplifier  
L
R
Optional full range line out connection  
to addition addition in the system.  
MONO SIGNAL  
CONNECTION  
94.7  
power  
R (-) R (+) L (-) L (+)  
fuses  
+12v rem gnd  
protect  
speaker output  
(-) ------ bridged ------ (+)  
in  
out  
x-over  
L
level  
min max  
freq  
bass boost  
low full high  
+
-
60Hz 400Hz  
0dB 18dB  
R
4 Ohm Speaker  
(1Ohm minimum)  
spa90.2  
classAB 2 channel amplifier  
L
R
Optional full range line out connection  
to addition addition in the system.  
SIGNAL CONNECTION:  
94.7  
2 CHANNEL AMPLIFIERS  
power  
R (-) R (+) L (-) L (+)  
fuses  
+12v rem gnd  
protect  
input  
remote  
ch 1  
ch 3  
speaker output  
(-) ------ bridged ------ (+)  
x-over  
x-over  
low full high  
low full high  
0dB 18dB 60Hz 400Hz  
min max  
min max  
60Hz 400Hz 0dB 18dB  
+
-
bass freq  
boost  
input  
level  
input  
level  
freq bass  
boost  
ch 2  
ch 4  
spa150.4  
classAB 4 channel amplifier  
4 Ohm Speaker  
R
L
R
L
2 Ohm Speaker (1 Ohm minimum)  
SIGNAL CONNECTION:  
4 Channel Amplifier using  
2 pair of RCA inputs.  
94.7  
+
-
4 Ohm Speaker  
7
8
SPEAKER CONNECTIONS  
(SPA90.2 , SPA90.4 , SPA150.4)  
power  
ch4- ch4+ ch3- ch3+ ch2- ch2+ ch1- ch1+  
fuses  
+12v rem gnd  
Make the speaker connections using speaker wire that is at least 16  
gauge or heavier.  
speaker  
output  
(-) ---- bridged ---- (+) (-) ---- bridged ---- (+)  
protect  
As with any audio component, proper phasing of the amplifier and speakers is essential  
for strong bass response. When connecting, make sure that positive (+) from the amplifier  
is connected to the positive (+) of the speaker, and the same for negative (-).  
+
-
+
-
+
-
+
-
***CAUTION! In the bridged mode, the amplifier must see a 4 Ohm load or higher. Any  
lower than 4 ohms will cause the amplifier to overheat and possible cause permanent  
damage to the amplifier!  
4 Ohm Speaker  
4 Ohm Speaker  
4 Ohm Speaker  
4 Ohm Speaker  
REMOTE BASS CONTROL MODULE  
(SPA1000D, SPA1300D, SPA1600D, SPA1900D Included)  
power  
R (-) R (+) L (-) L (+)  
fuses  
+12v rem gnd  
protect  
Before connecting the remote, it will be necessary to find a mounting location that will be  
easy to access for adjustment. Once you select your mounting location, you will need to run  
the control wire from the remote to the amplifier. To avoid possibility of induced noise from  
the car’s electrical system (i.e. popping noises or engine noise), run the cable from the  
remote to the amplifier away from the car’s electrical wiring.  
speaker output  
(-) ------ bridged ------ (+)  
+
-
4 Ohm Speaker  
power  
R (-) R (+) L (-) L (+)  
fuses  
+12v rem gnd  
input  
ch 3  
protect  
ch 1  
x-over  
x-over  
low full high  
low full high  
speaker  
output  
(-) ------ bridged ------ (+)  
18dB remote  
0dB 18dB 60Hz 400Hz min max  
min max 60Hz 400Hz 0dB  
bass  
boost  
freq input  
level  
input freq  
level  
bass  
boost  
ch 2  
ch 4  
spa90.4  
+
-
+
-
classAB 4 annel amplifier  
4 Ohm Speaker  
4 Ohm Speaker  
power  
ch4- ch4+ ch3- ch3+ ch2- ch2+ ch1- ch1+  
fuses  
+12v rem gnd  
speaker  
(-) ---- bridged ---- (+) (-) ---- bridged ---- (+)  
output  
protect  
+
-
+
-
4 Ohm Speaker  
4 Ohm Speaker  
9
10  
FINE TUNE THE SYSTEM  
ADJUSTMENTS AND SETTINGS  
The “Speed Series” amplifiers are equipped with built-in variable crossover networks allow-  
ing you to select the crossover mode (i.e. Low-Pass/Full/High-Pass or On/Off) and the  
desired crossover point. For example if you wish to drive a pair of subwoofers, you can  
select the “Low Pass” setting on the amplifier to filter out high frequencies. This will send  
only low frequencies to your subwoofers (see example settings below). The crossover point  
should be determined by the speakers operating range. Please refer to speaker manufac-  
tures recommended crossover point.  
Fine tune the amplifier’s input sensitivity  
The gain sensitivity control for the “Speed Series” amplifier is located on the side panel.  
This gain control has been included to allow adjustment to properly match the output of the  
radio. This is one of the most misunderstood adjustments. By rotating the control in the  
clockwise direction, the amplifier’s input will become more sensitive and the music will play  
louder. This is not a volume control and you will not get more power out of the amplifier in  
the maximum position! It may seem to deliver more output, but actually the system is only  
playing louder faster as you turn the volume control on the radio. Ideally, to properly level  
match the system the goal is to achieve maximum output from the amplifier without distor-  
tion at about ¾ of the volume control.  
Filter selection for channel 3 & 4  
Adjust the frequency to the  
Filter selection for channel 1 & 2  
Adjust the frequency to the  
desired point for speakers 1 & 2.  
desired point for speakers 3 & 4.  
To determine if the amplifier’s gain is set properly, turn the system on and slowly increase  
the volume control. You should be able to use about ¾ volume before the system gets loud  
but not distorting. It is very important when making these adjustments that you do not over  
drive the speakers (at point of distortion) this will cause permanent damage to the speakers.  
If you are unable to achieve ¾ volume before distortion you will need to adjust gain control  
(in this case you would reduce the gain). The gain controls should be adjusted very slowly.  
It may help to have another person to assist you by adjusting the gain controls while you  
listen for distortion.  
Bass Boost @ 45Hz  
*0~18dB Channels 3 & 4  
Only in Lowpass  
Bass Boost @ 45Hz  
*0~18dB Channels 1 & 2  
Only in Lowpass  
input  
remote  
ch 1  
ch 3  
x-over  
x-over  
low full high  
low full high  
0dB 18dB 60Hz 400Hz  
min max  
min max  
60Hz 400Hz 0dB 18dB  
bass freq  
boost  
input  
level  
input  
level  
freq bass  
boost  
ch 2  
ch 4  
spa150.4  
classAB 4 channel amplifier  
Input Level  
Min  
Max  
11  
12  
SPECIFICATIONS  
TROUBLE SHOOTING THE SYSTEM  
We have put together this trouble-shooting guide if you experience problems after  
installing the amplifier. Please keep in mind that the majority of problems incurred are  
caused by improper installation and not the equipment itself. In addition, there are many  
components in the system that could cause various signal problems such as inducted  
electrical noise and engine noise.  
SPA90.4  
4 x 90W  
2 x 350W  
SPA90.2  
2 x 90W  
Input Voltage @ 11 - 14.4 VDC:  
@ 4 ohm  
1 x 350W  
2 x 175W  
@ 4 ohms Bridged  
@ 2 ohm  
4 x 175W  
10Hz-20Khz  
>90dB  
10Hz-20Khz  
>90dB  
Frequency Resp.  
S/N Ratio (A-weight)  
Low Input Level  
Crossover Type  
Crossover Freq. (Lowpass)  
Crossover Slope  
Bass EQ.  
Before you can properly address the problem, you must first find the component that is  
causing the problem. This will take patience and a process of elimination.  
200mV. - 5.8 V  
Hi/Low Pass  
55Hz - 400Hz  
12db per oct  
18dB @ 45Hz  
2 x 25 amp  
optional  
200mV. - 5.8 V  
Hi/Low Pass  
55Hz - 400Hz  
12db per oct  
18dB @ 45Hz  
2 x 20 amp  
no  
LOOK FOR…..  
No Output  
SOLUTION  
Blown fuse  
Replace  
Bad RCA Cable(s)  
+12V at power terminal  
Replace  
Check connection  
Fuse Rating  
Remote Bass  
+12V at remote terminal  
Check connection  
Grounding point clean and tight  
Head Unit’s fader not in center position  
Master & Slave settings  
Check for ground w/meter  
Set to center position  
Confirm correct setting  
Input Voltage @ 11 - 14.4 VDC:  
@ 4 ohm  
SPA1000D  
1 x 250W  
1 x 500W  
SPA1300D  
1 x 325W  
1 x 650W  
@ 2 ohm  
@ 1 ohm  
1 x 1000W  
20Hz - 250Hz  
>90dB  
246mV - 5.9V  
Low Pass  
40Hz - 150Hz  
18dB/oct  
18dB @ 45Hz  
20Hz - 50Hz  
Yes  
2 x 20 amp  
included  
1 x 1300W  
20Hz - 250Hz  
>90dB  
246mV - 5.9V  
Low Pass  
40Hz - 150Hz  
18dB/oct  
18dB @ 45Hz  
20Hz - 50Hz  
Yes  
2 x 25 amp  
included  
Low Output  
Check level adjustments  
Re-adjust  
Frequency Resp.  
S/N Ratio (A-weight)  
Low Input Level  
Crossover Type  
Crossover Freq. (Lowpass)  
Crossover Slope  
Bass EQ.  
Subsonic Filter  
Remote Control Included  
Fuse Rating  
Bad RCA cable(s)  
Improper level matching  
Master & Slave settings  
Replace  
Re-adjust  
Confirm correct setting  
Engine Noise  
Grounding points are clean and tight  
Ground all components at same point  
Try different grounding point  
Check for ground w/meter  
Ground at same point  
Change for better ground  
Replace  
Remote Bass  
Bad RCA cable(s)  
Use High Quality shielded RCA cables  
Rejects inducted noise  
SPA1600D  
1 x 400W  
1 x 800W  
1 1600W  
20Hz - 250Hz  
>90dB  
246mV - 5.9V  
Low Pass  
40Hz - 150Hz  
18db/oct  
18dB @ 45Hz  
20Hz - 50Hz  
Yes  
SPA1900D  
1 x 475W  
1 x 950W  
1 x 1900W  
20Hz - 250Hz  
>90dB  
246mV - 5.9V  
Low Pass  
40Hz - 150Hz  
18dB/oct  
18dB @ 45Hz  
20Hz - 50Hz  
Yes  
3 x 30 amp  
included  
Input Voltage @ 11 - 14.4 VDC:  
@ 4 ohm  
Low Vehicle charging system and/or battery Fix and/or replace  
Red Protection L.E.D. illuminated  
@ 2 ohm  
@ 1 ohm  
Frequency Resp.  
S/N Ratio (A-weight)  
Low Input Level  
Crossover Type  
Crossover Freq. (Lowpass)  
Crossover Slope  
Bass EQ.  
Subsonic Filter  
Remote Control Included  
Fuse Rating  
Speaker short  
Check speakers connection  
for short circuit  
Speaker grounding out  
Make sure speaker wires  
Do not touch chassis ground  
Check speaker impedance  
Check mounting location  
for Adequate air circulation  
speaker impedance too low  
Impedance too low  
Overheating  
2 x 30 amp  
included  
Remote Bass  
Due to continuous improvement of the product the Specifications are subject to change without notice.  
13  
14  

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