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Summary of Contents for Soundstream Reference Class A 3.0
- Page 1 Power Amplifiers OWNERS MANUAL INSTALLATION GUIDE...
- Page 2 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.
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Page 3: Table Of Contents
Features ................4-5 REFERENCE Power Supply Design........6 Passive and Electronic Crossovers ........6 6 dB/octave Passive Crossover Chart ........7 12 dB/octave Passive Crossover Chart ........ 8 Series and Parallel Wiring ............ 9 Setting High Power/High Current Setting Coherent Stereom/Mixed Mono/Bridged Mono 14-15 Wiring.. -
Page 4: Features
MONO I STEREO I MIXED MONO Pure Class A” Output Topology for the utmost in musicality and definitive power output. Soundstream’s uniqe design allows the Class A amplifiers to deliver uncomparable sonics or, when operated at lower impedances, to provide phenomenal amounts of power. - Page 5 output section incorporates multiple output transistors instead of a few for faster, stronger power delivery. The transistors are sandwiched between the circuit board and the heatsink in a design called Chassisink” to ensure cool, near one another, connected by thick, wide PCB traces, which ensures rapid, high current delivery.
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Page 6: Reference Power Supply Design
The REFERENCE Class A amplifiers employ an extremely efficient unregulated pulse-width modulated power supply. REFERENCE Class A amplifiers from Soundstream are rated at 12 volts but are designed to take advantage of the additional voltage available when the vehicle is running. The two major... -
Page 7: Db/Octave Passive Crossover Chart
6 dB/OCTAVE PASSIVE CROSSOVER CHART 6 dB/octave hiuh pass L = high quality (DCR < 1 ohm) inductor/coil C = non-polarized 50 v (or greater) capacitor 2 ohms 4 ohms 8 ohms FREQ. 1000 80 Hz 4.1 mH 16 mH 8.2 mH 250 pF 100 Hz... -
Page 8: Db/Octave Passive Crossover Chart
PASSIVE CROSSOVER CHART 12 dB/octave hioh L)ass Cl = non-polarized 50 v (or greater) capacitor o h m s 4 ohms 8 ohms FREQ. 5.5 mH 11 mH 22 mH 80 Hz 680 pF 330 pF 4.7 mH 9.1 mH 18 mH 100 Hz 560 pF... -
Page 9: Series And Parallel Wiring
SERIES AND PARALLEL WIRING Below are examples of series and parallel wiring configurations. Please note how the impedances differ with the different configurations. Amplifier Amplifier 2-4 ohm drivers in parallel 4-4 ohm drivers in parallel 4 Ohm 2-4 ohm drivers in series... -
Page 10: Lse.q Theory And Use
This is adjustable from .707 (flat) to REFERENCE SOUNDSTREAM 2.6 (+9 dB). (See figure 2) Class A 6.0 amplifier. It is capable of subsonic energy removing The circuit program material. - Page 11 This serves the purpose of removing the “subsonic” bass energy. Soundstream’s LSE.Q contains the same type of circuit with the added benefit of infinite adjustability. Our “Q” and “Hz” control can provide virtually FIG. 7 Various Settings...
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Page 12: Setting High Power/High Current
One is a higher voltage “tap” optimized for high impedance applications while the other is lower voltage designed to provide more current. Unlike other amplifiers, Soundstream’s REFERENCE Class A amplifiers can be configured to drive virtually any impedance and make... -
Page 13: Setting Coherent Stereom/Mixed Mono/Bridged Mono
COHERENT STERE@/MIXED- MONO/BRIDGED MONO The REFERENCE Class A amplifiers have the ability to operate in any one of the following modes: maximum fidelity. Best choice for satellite speakers. Use this mode unless Mixed-Mono is necessary. for center channels. It can be used anytime you need a summed mono channel. -
Page 14: Wiring
4 gauge power and ground cables. Determine from the chart below the minimum gauge power and ground wire for your application. up to 10’ up to 20’ Soundstream Power40 or Soundstream Power40 REFERENCE Power 80 (4 sa.) Class A (4 or 8 ga.) -
Page 15: Speaker Cable
SPEAKER CABLE The REFERENCE amps will accept up to 8 gauge speaker cable. Use a high quality, flexible, multi-strand cable for best performance and longevity. Soundstream Speaker1 20 & 160 (12 and 16 gauge) are ideal. WIRING DIAGRAM FULL RANGE SPEAKERS... -
Page 16: Installation And Mounting
INSTALLATION AND MOUNTING 1. AMPLIFIER LOCATION The REFERENCE Class A amplifiers employ highly efficient circuitry and a unique ChassisinkTM design to maintain lower operating temperatures. Additional 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. When mounting the amplifier, it should be securely mounted to either a panel in the vehicle or an amp board or rack that is securely mounted to the vehicle. -
Page 17: Level Setting
LEVEL SETTING The input levels are adjusted by means of the input level controls located on the front of the amplifier. This is a unique dual-stage circuit that adjusts both level and gain. This topology maintains better Signal to Noise ratios even when using sources with minimal output. -
Page 18: Protection Circuitry & Troubleshooting
1 ohm (see p.12, ‘Setting High Power/High Current Switch”) speaker or leads may be shorted verify adequate amplifier ventilation SERVICE Your Soundstream REFERENCE Class A amplifier is protected by a limited warranty. Please read the enclosed warranty card. -
Page 19: Specifications
1 Q Stereo 112 R Stereo POWER (8 R Bridged) (4 R Bridged) (2 R Bridged) (1 n Bridged) (112 n Bridged) REFERENCE class A 3.0 High Power 25 x 2 50 x 2 100 x 2 1 5 0 x 2... - Page 20 SOUNDSTREAM TECHNOLOGIES 120 Blue Ravine Road . Folsotn . California 95630 USA ph 916.351.1288 . fax916.351.0414...
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