Assessments - 7, GPA: 4.1
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2 SOUNDMAX 9 SM-SA604 Fig. 3/4 3- channel mode In the 3-channel mode, use high pass filter to regulate channels 1/2 and use low pass filter to regulate channels 3/4. Chapter Operation elements and in / outputs describes how to set the filters. FIG. 3 Connect and set the amplifier as shown in Fig. 3 if the stereo has two outputs and the unit is used to drive two stereo satellite loudspeakers and a subwoofer (1) To the car radio, left output (4) Right satellite loudspeaker (2) To the car radio, right output (5) Subwoofer (3) Left satellite loudspeaker Fig. 3 SOUNDMAX 10 SM-SA604 FIG. 4 Connect and set the amplifier as shown in Fig. 4 if the system has two stereo outputs and one car radio output and is used to drive two stereo satellite loudspeakers and a subwoofer. (1) To the car radio, left output (4) Left satellite loudspeaker (2) To the car radio, right output (5) Right satellite loudspeaker (3) To the car radio, subwoofer output (6) Subwoofer 4X.OVIK X-OVJK (3D (2} (35 i&zoi f B Fig. 4 SOUNDMAX 11 SM-SA604 Fig. 5 2- channel mode If the amplifier needs high power output to drive two subwoofers, connect and set it as shown in Fig. 5. The usage of the low-pass filter is described in Operation elements and in / outputs chapter (1) To the car radio, left output (3) Subwoofer (2) To the car radio, right output (4) Subwoofer Fig. 5 SOUNDMAX 12 SM-SA604 Fig. 6 Use the amplifier to drive four satellite loudspeakers and a subwoofer with using an additional 2-channel amplifier (1) To the car radio, front left output (2) To the car radio, front right output (3) To the car radio, rear left output (4) To the car radio, rear right output (5) Front left loudspeaker (6) Front right loudspeaker (7) Rear left loudspeaker (8) Rear right loudspeaker (9) Subwoofer Fig. 6 SOUNDMAX 13 SM-SA604 Fig.7 Operating elements and in/outputs (1) Low-level inputs (channel 1 /2, front) 7 (2) Low-level inputs (channel 3 /4, rear) (3) Input-level control channel 1 /2 (4) Input-level control channel 3 /4 (5) Bass-boost control (channel 1 /2, front) (6) Bass-boost control (channel 3 /4, rear) (7) Cross-over control for the low pass (channel 1 /2) (8) Cross-over control for the low pass (channel 3 /4) (9) HPF (high pass filter)/LPF (low pass filter)/OFF option switch for channel 1 /2 (10) HPF (high pass filter)/LPF (low pass filter)/OFF option switch for channel 3 /4 (11) Cross-over frequency for control for the high pass (channel 1 /2) (12) Cross-over frequency for control for the high pass (channel 3 /4) (13) Low level outputs (channel 1 /2) (3)®©®® SOUNDMAX SM-SA604 500!!f£S 4 CHANNEL MOS FET BRIDGEABLE HIGH POWER AMPLIFIER -f V 11« ini........mi (5) ® (0) ® @ Fig. 7 ® SOUNDMAX 14 SM-SA604 Trouble shooting guide Before you consult this listing, make sure the vehicle's electrical system is working properly by verifying that other electrical items (e. g. headlights, Windows, etc.) still function correctly. SYMPTOM PROBABLE CAUSE SOLUTION No audio Low or N.C. remote turn-on connections Check remote turn-on voltage at amp and head unit Blown fuse Replace with new fast-blow fuse Power wires not connected Check butt splices or solder joints; Check ground and battery connections Blown or non-speakers connected Use VOM or DVM to measure speaker coil impedance; check speaker wiring connections Distorted audio Input sensitivity not set properly or damaged speaker cones See adjustment procedure and check each ste; inspect each speaker for damage and repair or replace suspected component Low turn-on voltage Refer to head unit owner's manual Audio level low Mute circuits is on head unit Check electrical system for low voltage; Check ground connection Audio lacks Speakers wired with wrong polarity, causing cancellation of bass frequencies Check polarity of wires from amplifiers to each speak as defined by the system design; Check battery voltage at amplifier during operation External fuse blowing Incorrect wiring or short circuit Refer to electrical installation and check each installation step Whining noise on audio with engine running Amplifier is picking up alternator noise Install a line noise filter on the head unit's power wire; Check alternator routing diodes or voltage regulator for proper operation. Check all grounds, check battery voltage, check RCA cables Ticking noise on audio with engine running Amplifier is peaking up radiated spark noise Check RCA audio cable; Install an in-line noise filter on the head unit's power wire, check spark plug wires SOUNDMAX 15 SM-SA604 Specification MODEL SM-SA604 Stereo /Bridged Nominal output power (DIN 45 342, B+ = 14. 4V) 4 x 60W /2 x 120W at 4 Ohms Nominal output power (DIN 45 342, B+ = 14. 4V) 4 x 120W at 2 Ohms OPERATION INTO 4 OHMS @ 1KHz, 1% THD 250W x 2 Loudspeaker impedance (stereo) 2-8 Ohms Frequency response 20 - 60 000 Hz (-3 dB) Total harmonic distortion <0.05% (1 kHz) Stereo separation (IEC...