Rockford Fosgate 5.3x - Manual (Page 9)

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1. Dual Extruded Heatsinks
The dual extruded aluminum heatsinks of this RF amplifier
dissipate heat generated by the amplifier's circuitry.
2. Power/Speaker Barrier Strip
The barrier strip uses screw terminals that will accept #10 spade
lugs or bare speaker and power wire sizes from 10-18 AWG.
These gold-plated connectors are immune to corrosion that will
cause signal degradation.
3. RCA Input Jacks
The industry standard RCA jack provides an easy connection for
signal level input. They are gold-plated to resist the signal
degradation caused by corrosion.
4. High Level Inputs
The high level input connectors accept 1/8" spade lugs for the
connection of a source unit that has only speaker line (high level)
outputs.
5. Input Sensitivity Controls
The input level controls are preset for 500mV which will match
the output of most source units. They can be adjusted to match
output levels from a variety of source units.
6. Internal Crossovers
The built-in crossover cards are configurable for a multitude of
operating frequencies. The orientation of the card in its socket
determines its function of high-pass, low-pass or full range
operation.
7. LED Power Indicator
The LED gives a visual indication of the status of the amplifier,
lighting when the unit is turned on.
8. Signal Input Switches
These switches allow the input signals to be distributed to the
outputs in many different configurations.
9. Bias Controls
The Bias controls are preset at the factory and are not user
adjustable. CAUTION! ANY ADJUSTMENT TO THE BIAS
CONTROLS WILL VOID YOUR WARRANTY!