Soundstream Technologies REF2.370, REF4.400, REF1.500 manual General

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Features

In the 80s, it became popular to use acronyms for amplifier features and technologies. In some cases, these acronyms were nothing more than fancy words put together cleverly to form an acronym not worth its weight in poop! Sales people memorized the silly acronyms but rarely knew what the feature encompassed. The features below are straight forward facts about the amplifiers that make them yield audio nirvana.

General:

Full Signal Path Low Noise/Distortion Circuitry Topology

Optimal Component Layout for Minimal Distortion Induction & Signal Separation

Full Differential Feedback Surrounding Power-Amp Stages directly from Speaker Terminals resulting in Uncolored Sound Reproduction and Elimination of Ground Loops

Differential Drives Divide Pre-Amp & Power-Amp Stages, Eliminating Ground Looping

Triple Darlington Audio Output Stages

Output Stage Bias Individually Sequenced, Optimizing Sound Quality

Close Tolerance Signal Path Components - 1% Resistors & 5% Capacitors

Stout 2 Oz. Copper Traces Effortlessly Transfer High Volume Internal Current

Differential RCA Inputs Isolate 12V/Audio to Ground, Eliminating Ground Loops and Noise

Sequenced Delays Eliminate Residual Power-Up/Power-Down Pops

Final PCB Layout Designs are a culmination of examination and fine tuning of all circuit elements to work in harmony as a whole

Hawkins Boost Control - Proprietary Bass Equalization

Continuously Variable Crossovers

Tri-Mode Capable

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Contents Page Page Reference Lives General PSU Specification S Installation REF2.370 REF2.640 REF4.400 REF4.760 REF4.920 REF1.500 REF1.1000 Speaker Terminal Block Page Page Channel System Design #1 Channel System Design #3 Ohms SUB Woofer Subwoofer Wiring Diagrams Series-Parallel / Four Dual 2 Ohm Net Impedance = 1 Ohm Symptom Check Remedy