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SERIES AND PARALLEL WIRING
REFERENCE
405s
5/3 Channel
Power Amplifier
2-4 ohm drivers in parallel
= 2 ohms
OWNERS MANUAL
AND
INSTALLATION GUIDE
4-4 ohm drivers in parallel
=1 ohm
2-4 ohm drivers in series
= 8 ohms
SOUNDSTREAM TECHNOLOGIES
120 Blue Ravine Road
Folsom
California 95630 USA
ph 916.351.1288
fax 916.351.0414
rev B - 4.17.96
20
1
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Summary of Contents for Soundstream Reference Series 405S
- Page 1 = 2 ohms OWNERS MANUAL INSTALLATION GUIDE 4-4 ohm drivers in parallel =1 ohm 2-4 ohm drivers in series = 8 ohms SOUNDSTREAM TECHNOLOGIES 120 Blue Ravine Road Folsom California 95630 USA ph 916.351.1288 fax 916.351.0414 rev B - 4.17.96...
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Page 2: Specifications
Soundstream amplifiers are the result of American craftsmanship and the highest quality control standards, and when properly installed, will provide you with many years of listening pleasure. Should your amplifier ever need service or replacement due to theft, please record the following information, which will help protect your investment. -
Page 3: Protection Circuitry
2 ohm per channel load or greater speaker or leads may be shorted SERVICE Your Soundstream REFERENCE405s amplifier is protected by a limited warranty. Please read the enclosed warranty card. TABLE OF CONTENTS Design Features ... 4 - 5 REFERENCE405s Diagram ... -
Page 4: Design Features
4 gauge power/ground wire. High Power/High Current Capability (Subwoofer Channel only) - Soundstream’s exclusive circuit which permits customization of your amplifier to its particular application—high current, low impedance loads (multiple subwoofers, less than 1 ohm) or High Power, higher impedance loads (1 ohm and up). - Page 5 SAMPLE SYSTEM #2 2 channels of input Fault Monitor LED on the top panel notifies you of blown power 4 channels of 2-way high pass, subwoofer channel in low pass supply fuses. 1/2 ohm Drive Ability (Subwoofer Channel only) - The subwoofer channel on the REFERENCE405s amplifier is designed to drive virtually any load—all the way down to 1/2 ohm.
- Page 6 Reference405s SAMPLE SYSTEM #1 4 channels of input 2-way front / rear fade with constant level bass 4 channels of 2-way high pass, subwoofer channel in low pass...
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Page 7: Crossover Adjustments
12 dB/Oct. High Pass capabilities of the equipment and your listening AIRBASS™ ACCESSORY OPTION Soundstream's AIRBASS™ feature REFERENCE405s amplifier. This feature allows wireless RF remote control level adjustment of the REFERENCE405s' subwoofer channel. -
Page 8: Level Setting
So, if you send it a distorted signal from the head unit, the amplifier is going to amplify distorted information. The amplifiers, Soundstream’s same thing holds true if an outboard processor or crossover begins to distort before you have maximum output from the amplifier. -
Page 9: Installation And Mounting
INSTALLATION STEP 4 INSTALLATION AND MOUNTING 1. AMPLIFIER LOCATION The REFERENCE405s amplifier employs highly efficient circuitry and a unique Chassisink design to maintain lower operating temperatures. cooling may be required if the amplifier is located in a tightly confined area or when driving especially low impedance loads at extremely high levels. -
Page 10: Wiring Diagram
SPEAKER CABLE (4 ga.) The REFERENCE405s amplifier will accept up to 8 gauge speaker cable. Use a high quality, flexible, multi-strand cable for best performance and longevity. Battery Fuse 50 amp WIRING (cont.) Soundstream’s DL1 and SL1 are WIRING DIAGRAM...
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