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Summary of Contents for Soundstream Stealth 1200D
- Page 1 Stealth Amplifier Series Owner’s Manual...
- Page 2 Date of Purchase____________________ Installation Shop____________________ Installation Date ____________________ CAUTION ! Prolonged listening at extremely high levels may result in hearing loss. Even though your new Soundstream Stealth Amplifier sounds better than anything you've heard, exercise caution to prevent hearing damage .
- Page 3 FEATURES STACKABLE INSTALLATION. COMPACT SIZE AND TINY FOOTPRINT. DOUBLE SIDE PCB AND SMD COMPONENTS. FULL MOSFET DESIGN. LPF AND SUBSONIC CROSSOVER. ADJUSTABLE BASSBOOST FREQUENCY AND LEVEL. INFINITELY VARIABLE PHASE CONTROL FOR MONO MODEL. ACTIVE X-OVER FUNCTION. HEAVY-DUTY ALUMINUM ALLOY HEATSINK. HIGH (Speaker) OR LOW (RCA) LEVEL INPUTS.
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Page 4: Remote Turn On
CONTROL FUNCTIONS 1. SPEAKERS Connect speakers/subwoofers to these terminals. Be sure to check wire for proper polarity. Never connect the speaker cables to chassis ground. 2. +12 Volt Power Connect this terminal through a FUSE or CIRCUIT BREAKER to the positive terminal of the vehicle battery or the positive terminal of an isolated audio system battery. -
Page 5: Phase Control
CONTROL FUNCTIONS 7. REMOTE Connect the remote controller to control the subwoofer amplifier volume from the driver seat location, for ease of adjustment during playing. 8. LEVEL Control The level control will match the amplifiers sensitivity to the source units signal voltage. -
Page 6: Control Functions
CONTROL FUNCTIONS 14. X-over mode and frequency Control (4-ch) These controls allow control over the frequencies played for the rear channels. There is an option for Low/BandPass, Full Range or High Pass. In HP mode, the frequency range is from 15Hz to 500Hz. In LP mode, the frequency range can be switched from 50Hz to 800Hz, or 250Hz to 4kHz. -
Page 7: Panel Layout
PANEL LAYOUT Fig 1. STL1.600D/STL1.1200D Panel layout... - Page 8 PANEL LAYOUT Fig 2. STL4.320/STL4.500 panel layout...
- Page 9 PANEL LAYOUT Fig 3. STL2.350/STL2.560 panel layout...
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Page 10: Installation Precautions
. MOUNTING AMPLIFIER 1.Soundstream Stealth amplifiers can be stacked. Models STL4.500, STL2.560 and STL1.1200D are the same size; and models STL4.320, STL2.350 and STL1.600D are a smaller size. Make sure your amplifiers are the same size when you stack them. Plan the installation of the amplifiers and find a suitable location with sufficient air circulation. - Page 11 MOUNTING AMPLIFIER 3. Prepare side bars. Insert the rectangle nuts into the side bars as in Fig 5. Fig 5. Insert nuts into side bars. 4. Insert the ready side bars into the heatsink fins, then fasten side bars with supplied screws.
- Page 12 MOUNTING AMPLIFIER 5. The bottom amplifier is now mounted. Fig 7. Mounted bottom amplifier 6. Stack two amplifiers. Prepare another two side bars with nuts. Then clamp two side bars between two amplifiers as in Fig8, make sure there’s a gap about 1/4 inch between two amplifiers.
- Page 13 MOUNTING AMPLIFIER 7. Mount the third pair side bars. After step 6 two amplifiers have already been mounted securely. Now install the third pair side bars on the top amplifier as in step4. Fig 9. Install the third pair side bars. 8.
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Page 14: Connecting The Amplifier
CONNECTING THE AMPLIFIER 1. Select cable and fuse according to the following table. MODEL STL1.1200D STL1.600D CABLE FUSE 100A 2. Connect the amplifiers ground cable to a close, bare metal part of the frame or chassis. Use a nut and bolt, NOT a screw! The ground cable must be at least the same size as the +12volt cable. - Page 15 WIRING DIAGRAM Fig 12. Mono amplifier wiring (High level input mode) Source Unit Fig 13. Mono amplifier wiring (multi woofers) Source Unit ON/OFF control signal *Equivalent parallel woofer load cannot be less than the minimum load rating. The 2 negative terminals are paralleled inside the amplifiers, as are the 2 positive terminals.
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Page 16: Channel Mode
WIRING DIAGRAM Fig 14. STL4.320 / STL4.500 wiring (4-channel mode) Source Unit Fig 15. STL4.320 / STL4.500 wiring (3-channel mode) Source Unit REMOTE signal CROSSOVER CROSSOVER CROSSOVER CROSSOVER CROSSOVER CROSSOVER REMOTE signal 2-Ohm to 4-Ohm 2-Ohm to 4-Ohm 2-Ohm to 4-Ohm 2-Ohm to 4-Ohm 2-Ohm to 4-Ohm 2-Ohm to 4-Ohm... - Page 17 WIRING DIAGRAM Fig 16. STL4.320 / STL4.500 wiring (active x-over mode) Source Unit REMOTE signal Fig 17. STL4.320 / STL4.500 wiring (High level input mode) Source Unit Tweeter Woofer 2-Ohm to 4-Ohm 2-Ohm to 4-Ohm CROSSOVER CROSSOVER ON/OFF control signal CROSSOVER CROSSOVER Tweeter...
- Page 18 WIRING DIAGRAM Fig 18. STL2.350 / STL2.560 wiring (2-channel mode) Source Unit Fig 19. STL2.350 / STL2.560 wiring (High level input & Bridged mode) Source Unit REMOTE signal CROSSOVER CROSSOVER ON/OFF control signal 2-Ohm to 4-Ohm 2-Ohm to 4-Ohm 4-Ohm to 8-Ohm...
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Page 19: Trouble Shooting
TROUBLE SHOOTING Symptom Possible Remedy Amplifier Check to make sure you have a good ground connection. will no t Check that there is battery power on the (+)term inal . power up Check all fuses, replace if necessary . Make sure that the Protection LED is not illuminated. Protection Check for short circuits on speaker leads. -
Page 20: Specifications
SPECIFICATIONS Model STL4.320 1Ohm Load 2Ohm Load 75W x 4 4Ohm Load 50W x 4 Input Level High level input Frequency Response X-over Type Front 50Hz - 4kHz, Rear 50Hz - 800Hz or 250Hz - 4kHz Front 50Hz - 4kHz, Rear 15Hz - Subsonic / HPF Bass Boost Frequency Bass Boost Level...
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