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Soundstream Technologies REF4.400 manual

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Table of contents for the manual

  • Page 1

    Don’t be a fool by throwing away th is manual! Grab a couple brews, si t on your butt & READ THIS! You will NOT be able to set this amplifier properly unless you thoroughly understand the sophisticated pre- amp section of the amplifier. You are now the owner of what may be the finest car audio amplifier ever made. Please read this manual in i[...]

  • Page 2

    2 T able of Contents Reference Lives 3 Features 4-5 Specifications 6 Installation 7 Controls and T erminals 8-10 Control Definitions 11 - 1 3 System Diagrams 14-17 Subwoofer Diagrams 18-19 T roubleshooting 20[...]

  • Page 3

    3 Reference Lives! Can you believe that it has been ov er a decade since t he legendary Soundstream Reference amps graced the car audio industry?! Maybe you bought this am plifier because the best am plifier you ever h ad was a Reference from back in the day. Maybe you bought it for its legen dary performance. Regardless of the reas on, we know you[...]

  • Page 4

    4 Features In the 80s, it became popular to use acrony ms for amplifier features and technologie s. In some cases, these acronyms were nothing more than fancy words put toget her cleverly to form an acronym not worth its weight in poop! Sales people memorized the silly acronyms but rarely knew what the feature encompassed. T he features below are s[...]

  • Page 5

    5 PSU • Pulse Width Modulated • Large TO218 MOSFET Transistors • High Volume, Low ESR Capacitance Banks Co mpensate Power Supply Ripple Currents • Extra Low Current Drive Stage Incr eases Efficiency & Sound Clarity • Individually Regulated Pream p/Crossover Power Supplies Ensure Signal Purity • Separated Capacitor Charging/Di scharg[...]

  • Page 6

    6 S P E C I F I C A T I O N S REF2.370 REF2.640 REF4.400 REF4.760 REF4.920 REF1.500 REF1.1000 Channels 2 2 4 4 4 1 1 RMS Power @ 4 Ω , 14.4V 2 x 110 2 x 190 4 x 70 4 x 115 4 x 145 - - RMS Power @ 2 Ω , 14.4V 2 x 185 2 x 320 4 x 100 4 x 155 4 x 215 500 1000 RMS Power @ 4 Ω Bridged, 14.4V 1 x 370 1 x 640 2 x 200 2 x 380 2 x 460 - - RMS Power @ [...]

  • Page 7

    7 Ground cable to bare metal chassis/ frame with nut & bolt. No screws or seat/seatbelt bolts! Avoid sharp edges that could chafe through the insulation. Run the cables under the carpet near the side of the vehicle. Be careful not to drill or screw into the wires when replacing trim. Run signal cables (RCA) and remote turn-on lead down the oppo[...]

  • Page 8

    8 Controls and T erminals REF2.640 1 2 5 3 3 4 6 7 8 REF2.370 1 2 3 5 3 4 6 7 8[...]

  • Page 9

    9 REF4.920 1 2 5 13 7 8 2 6 7 8 6 9 3 4 3 3 REF4.760 1 2 5 13 8 2 3 6 8 6 9 3 7 4 7 REF4.400 1 2 5 13 8 2 3 6 7 8 6 7 3[...]

  • Page 10

    10 Controls and T erminals REF1.500 1 2 6 8 4 7 10 3 11 3 12 REF1.1000 1 2 6 8 4 7 10 3 11 3 12 1[...]

  • Page 11

    11 Control Definitions Alrighty, here comes the fun stuff. We’ re going to break this down to it simp lest form so that there is no way you can possibly do any damage in t he installation process to your audio system. We’re going to explain in detail how every single knob and switch work ra ther than turn you loose on a sophisticated amplifier [...]

  • Page 12

    12 Crossovers (continued) HAWKINS – This is a patented circuit devel oped by Soundstream many years ago. Hawkins has 2 controls but 3 functions. One of the controls is t he boost and it is from 0-10dB. The second control is the frequency. What- ever frequency you select will be the frequency that is controlled by the adjus table boost. The third [...]

  • Page 13

    13 Balanced Signal Inputs – Using our BLT Balanced Line Transmitters, you can achieve balanced, noise-free signal transfer. This is a MUST and no-brainer for any audiophile , sound quality competitor, or anybody serious about their music. CH1&2 Signal Mode – There are two options here fo r the signal processing. You can either choose CH1&am[...]

  • Page 14

    14 System Diagrams 2 - 4 Ohms 2 - 4 Ohms 4 - 8 Ohms 2 CHANNEL SY STEM DESIGN #1 REF2.370 / REF2.640 2 CHANNEL SY STEM DESIGN #2 REF2.370 / REF2.640[...]

  • Page 15

    15 2 - 4 Ohms 2 - 4 Ohms 4 - 8 Ohms 4 - 8 Ohms 4 - 8 Ohms 4 - 8 Ohms 4 - 8 Ohms 2 CHANNEL SY STEM DESIGN #4 REF2.370 / REF2.640 2 CHANNEL SY STEM DESIGN #3 REF2.370 / REF2.640 *Inductor and Cap acitor passive crossovers must be at the same frequency or underlapp ed, but never overlapped. If this does no t make sense, dro p what you are d oing and t[...]

  • Page 16

    16 2 - 4 Ohms 2 - 4 Ohms 2 - 4 Ohms 2 - 4 Ohms[...]

  • Page 17

    17 SUB WOOFER 4-8 Ohms SUB WOOFER 4-8 Ohms 2-4 Ohms 3CH 2-4 Ohms 4CH 2-4 Ohms 2CH 2-4 Ohms 1CH *Inductor and Cap acitor passive crossovers must be at the same frequency or underlapp ed, but never overlapped. If this does no t make sense, dro p what you are d oing and take your car to a professional Soundstre am dealer![...]

  • Page 18

    18 Subwoofer Wiring Diag rams Amp Series-Parallel / Three Dual 2 Ohm Net Impedance = 1.33 Ohms Amp Parallel / Three Single 4 Ohm Net Impedance = 1.33 Ohms Amp Series-Parallel / Two Dual 2 Ohm Net Impedance = 2 Ohms Parallel / Two Dual 4 Ohm Net Impedance = 1 Ohm Amp Parallel / Two Single 4 Ohm Net Impedance = 2 Ohm Amp 1-2 Ohms[...]

  • Page 19

    19 Series-Parallel / Four Dual 2 Ohm Net Impedance = 1 Ohm Amp Series-Parallel / Four Dual 4 Ohm Net Impedance = 2 Ohm Amp Subwoofer Wiring Diagrams Amp Series-Parallel / Four Single 4 Ohm Net Impedance = 1 Ohm[...]

  • Page 20

    20 SYMPTOM CHECK REMEDY NO SOUND Is the Status LED illuminated GREEN? NO? Check all fuses to the amplifier Confirm remote turn-on lead is co nnected at the amp and at the radio/switched +1 2Volts Clean contacts on fuse holder Verify ground is secure Is the Status LED illuminated GREEN? Yes? Check gain on amp Check source level volume Check for Spea[...]