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Quantum Audio QS4150 - page 1
MOSFET POWER AMPLIFIERS Installation Instructions / Owner's Manu al www .quantumaudio.net T el : 956-428-4263 Fax : 956-421-4513 QS1500D QS2150 QS2250 QS4150 QS4250 ...
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Quantum Audio QS4150 - page 2
1 I NTRODUCTION Congratulations on your purchase of a QUANTUM AUDIO state-of-the-art power amplifier. Your selection of a QUANTUM AUDIO product indicates a true appreciation of fine musical reproduction. Whether adding to an existing system or including your Quantum amplifier in a new system, you are certain to notice immediate performance benefits ...
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Quantum Audio QS4150 - page 3
S AFETY PRECAUTIONS Fuse amplifiers power wire at the battery. Be sure to fuse the power wire within 12” of the car's battery. This will protect the car's battery in case of a short circuit between the power amplifier and battery. THIS IS A MUST, t he amplifier's built-in fuse will only protect the power amplifier not the car' ...
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Quantum Audio QS4150 - page 4
F EATURES AND BENEFITS 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. Short Circuit Protection The circuit protects the amplifier from damage due to a short found in the ...
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Quantum Audio QS4150 - page 5
Line Out One set of full range line outputs have been provided for convenient connection to additional amplifiers in the system. Power Fusing This protects the amplifier against short circuits and excessive current. Remote Turn-on Automatically turns amplifier on when connected to the head unit's remote output. The amplifier will turn on and o ...
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Quantum Audio QS4150 - page 6
M OUNTING LOCATION Before you start the installation, it will be necessary to find a mounting location for the amplifier. 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. Select the location in whic ...
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Quantum Audio QS4150 - page 7
P OWER CONNECTIONS IMPORT ANT! Before making any connections, disconnect the car’s battery until the installation is completed to avoid possible damage to the electrical system. 6 BRIDGED SPEAKER OUTPUT FUSE L R GND REM +12V POWER INPUT POWER PROTECT CAR BA TTERY +12V CAR BA TTERY +12V - - + + RADIO'S REMOTE TURN-ON OUTPUT RADIO'S REMOT ...
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Quantum Audio QS4150 - page 8
R L LEVEL input output line 5v .2v BASS 0dB 12dB EQ 60Hz 1.2KHz HPF 30Hz LPF 250Hz X-over full hpf lpf + - GND - + HI INPUT MONO STEREO Mode 7 S IGNAL & SPEAKER CONNECTIONS Connect the RCA output of the head unit (AM/FM cassette player, CD, or DA T) to the RCA input terminals of the amplifier. T o make these connections, we recommend high quali ...
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Quantum Audio QS4150 - page 9
8 R L LEVEL input output line 5v .2v BASS 0dB 12dB EQ 60Hz 1.2KHz HPF 30Hz LPF 250Hz X-over full hpf lpf + - GND - + HI INPUT MONO STEREO Mode BRIDGED SPEAKER OUTPUT FUSE L R GND REM +12V POWER INPUT POWER PROTECT 4 Ohm Speaker 4 Ohm Speaker + + - - Set the “MODE” switch to the MONO position. In this example we have selected LPF (Low Pass Filte ...
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Quantum Audio QS4150 - page 10
9 QS4150 & QS4250 CONNECTIONS (4 CHANNEL MODE) BASS LEVEL ch3 R L ch1 ch2 ch3-4 ch1-2 LINE INPUT ch4 + - GND - + + - GND - + HI INPUT OUTPUT 5v 5v .2v .2v 0dB 60Hz 30Hz 60Hz 1.2KHz 1.2KHz 0dB 12dB 12dB HPF LPF MODE X-OVER full full hpf hpf lpf lpf 2 3 4 EQ 30Hz 250Hz 250Hz BRIDGED CH1-2 SPEAKER OUTPUT GND REM +12V CH3-4 SPEAKER OUTPUT POWER PRO ...
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Quantum Audio QS4150 - page 11
L L R R 10 QS4150 & QS4250 CONNECTIONS (3 CHANNEL MODE) BASS LEVEL ch3 R L ch1 ch2 ch3-4 ch1-2 LINE INPUT ch4 + - GND - + + - GND - + HI INPUT OUTPUT 5v 5v .2v .2v 0dB 60Hz 30Hz 60Hz 1.2KHz 1.2KHz 0dB 12dB 12dB HPF LPF MODE X-OVER full full hpf hpf lpf lpf 2 3 4 EQ 30Hz 250Hz 250Hz BRIDGED CH1-2 SPEAKER OUTPUT GND REM +12V CH3-4 SPEAKER OUTPUT ...
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Quantum Audio QS4150 - page 12
11 QS4150 & QS4250 CONNECTIONS (2 CHANNEL MODE) BASS LEVEL ch3 R L ch1 ch2 ch3-4 ch1-2 LINE INPUT ch4 + - GND - + + - GND - + HI INPUT OUTPUT 5v 5v .2v .2v 0dB 60Hz 30Hz 60Hz 1.2KHz 1.2KHz 0dB 12dB 12dB HPF LPF MODE X-OVER full full hpf hpf lpf lpf 2 3 4 EQ 30Hz 250Hz 250Hz BRIDGED CH1-2 SPEAKER OUTPUT GND REM +12V CH3-4 SPEAKER OUTPUT POWER PR ...
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Quantum Audio QS4150 - page 13
QS1500D CONNECTIONS BASS SUB LOW BOOST SONIC PASS LEVEL OUTPUT INPUT R L 5v 0.2v 15Hz 55Hz 40Hz 0dB 12dB 150Hz POWER REMOTE CONTROL PROTECT POWER INPUT FUSE GND REM +12V + + SPEAKER OUTPUT L L L L R R Optional full range line out connection to additional amplifiers in the system. R R 4 Ohm Speaker 4 Ohm Speaker + + - - POWER INPUT FUSE GND REM +12V ...
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Quantum Audio QS4150 - page 14
R L LEVEL input output line 5v .2v BASS 0dB 12dB EQ 60Hz 1.2KHz HPF 30Hz LPF 250Hz X-over full hpf lpf + - GND - + HI INPUT MONO STEREO Mode TWO CHANNEL CONNECTIONS: COMMON GROUND RADIO RIGHT + RIGHT + RIGHT - RIGHT - LEFT - LEFT - LEFT + LEFT + WHITE WHITE GREEN GREEN (NOT USED) (NOT USED) GRA Y GRA Y BLACK BLACK BROWN BROWN 94.7 94.7 R L LEVEL in ...
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Quantum Audio QS4150 - page 15
FOUR CHANNEL CONNECTIONS: FLOATING GROUND RADIO (MOST COMMON TYPE) BASS LEVEL ch3 R L ch1 ch2 ch3-4 ch1-2 LINE INPUT ch4 + - GND - + + - GND - + HI INPUT OUTPUT 5v 5v .2v .2v 0dB 60Hz 30Hz 60Hz 1.2KHz 1.2KHz 0dB 12dB 12dB HPF LPF MODE X-OVER full full hpf hpf lpf lpf 2 3 4 EQ 30Hz 250Hz 250Hz RIGHT + RIGHT + RIGHT - RIGHT - LEFT - LEFT - LEFT + LEF ...
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Quantum Audio QS4150 - page 16
BASS SUB LOW BOOST SONIC PASS LEVEL OUTPUT INPUT R L 5v 0.2v 15Hz 55Hz 40Hz 0dB 12dB 150Hz POWER REMOTE CONTROL PROTECT R EMOTE BASS CONTROL MODULE (QS1500D) 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 cont ...
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Quantum Audio QS4150 - page 17
5v .2v . The SOLAR series amplifiers are equipped with a built-in variable crossover network allowing you to select the crossover type (i.e. Low-Pass or High-Pass) 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 wi ...
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Quantum Audio QS4150 - page 18
T ROUBLE 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 pro ...
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Quantum Audio QS4150 - page 19
S PECIFICATIONS QS2150 QS2250 7 Size (L x W x H) 7 / 8 QS4150 11 5 11 511 ” x 9 / ” x 2 / ” 12 / ”x 9 / ” x 2 / ” 12 / ”x 9 / ” x 2 / ” 28 8 28 8 2 8 QS4250 QS1500D 31 1 71 1 Size (L x W x H) 15 / ”x 9 / ” x 2 / ” 15 / ”x 9 / ” x 2 / ” 4 2 8 8 2 8 Dynamic Power 400W 800W 800W Output Power @ 14.4 VDC : 4 ohm 2 x 150W 2 ...
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Quantum Audio QS4150 - page 20
Manual By www.extremeconcepts.com SOLAR AMP REV 1.17.05 LIMITED WARRANTY Quantum Audio warrants any products purchased in the U.S.A. from an authorized Quantum Audio dealer. All products are warranted to be free from defects in material and workmanship under normal use and service for a period of one (1) year. This warranty applies to the original ...
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