INSTALLATION STEP 3
WIRING
POWER AND GROUND
To ensure maximum output from your REFERENCE Class A amplifier, use high quality,
| up to 10’ | up to 20’ |
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Class A 5.0 | Soundstream Power40 or | Soundstream Power40 only |
| Power80 | (4 ga.) |
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Class A 10.0 | Soundstream Power40 only | Soundstream Power40 only |
| (4 ga.) | (4 ga.) |
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Read this, or sparks will fly!
The Soundstream REFERENCE Class A amplifiers have extensive internal power supply capacitance, called the
1.Connect the +12 volt cable to the amplifier and to the battery.
2.Connect one end of the ground cable to the chassis of the vehicle.
3.We have supplied a 150 ohm, 2 watt resistor with the amplifier. One leg of the resistor has been connected to the ground terminal of the amplifier.
4.To charge the capacitor bank, touch the loose end of the ground cable to the open leg of the resistor for at least 45 seconds.
CIRCUIT BREAKERS/FUSES
EXTERNAL
Like all audio components, the REFERENCE Class A amplifiers must be fused near the battery. A fuse or circuit breaker must be located within 18” of the battery. This will prevent a fire in the event of a shorted cable. See the chart below to determine the correct fuse value.
INTERNAL
The REFERENCE Class A amplifiers are fused with
Key to Callouts
1.Fault LED - Indicates a blown fuse.
2.Power LED - Indicates amplifier power on.
3.LSE.Q Bypass Switch - Turns the LSE.Q on ("IN") or off ("OUT").
4.Input Overload Indicators - Indicates the signal input level or input gain level is too high.
5.Input Level Selector Switch - Selectable input sensitivity range from
6.Left Channel Balanced / Unbalanced Input Selector Switch - Select "Balanced" to use the 6 pin Balanced signal Input. Select "Unbalanced" to use the RCA signal inputs.
7.Right Channel Balanced / Unbalanced Input Selector Switch - Select "Balanced" to use the 6 pin Balanced signal Input. Select "Unbalanced" to use the RCA signal inputs.
8.Main Fuse - Main power supply fuse. Replace only with the same value fuse.
9.+12V - Connected to a fuse or circuit breaker, then to the battery's positive post.
10.GND - Main ground connection. Bolt to a clean chassis ground in the vehicle.
11.REM - Remote
12.Speaker Output Connections - Left and right channels.
13.LSE.Q - Frequency and Q adjustments.
14.Input Level - Independent Left and Right channel input level controls.
15.Balanced Signal Input Connector -
15.Inputs - Right and left channel RCA (Unbalanced ) inputs; only right channel input is used in "Mono" mode.
16.Coherent Stereo/Bridge/Mixed Mono switch - Select "Bridge" for bridged mono operation (use right channel input). Select "Stereo" for coherent stereo operation. Select "Mixed Mono" for simultaneous stereo / bridged mono operation.
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