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Summary of Contents for Rockford Fosgate Power 360
- Page 1 INSTALLATION MANUAL ROCKFORD FOSGATE POWER 360 POWER 360 POWER 650 POWER 650 Rockford Corporation 613 South Rockford Drive Tempe Arizona 85281 (602) 967-3565...
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Page 2: Table Of Contents
Power 650 Specifications ....... Power 360 Specifications ....... -
Page 3: Introduction
The Power 650 will provide 325 watts per channel (stereo) and incorporates a variable-speed fan and shroud assembly for cooling. The Power 360 provides 180 watts per channel (stereo) and i s cooled by a finned heatsink. Both the Power 650 and Power 360 offer exceptional flexibility in system design. -
Page 4: Amplifier Features
650 puts out 125 watts, while the 360 puts out 90. The Power 650 is rated for four 2-ohm loads, at 160 watts each or two 4-ohm loads in bridged stereo at 325 watts each. The Power 360 is not rated for 2-ohm loads, and the bridged output is two 8-ohm loads at 180 watts each. -
Page 5: System Flexibility
SYSTEM FLEXIBILITY A combination of switched crossovers and four bridgeable channels in the Power 650 and Power 360 provide unmatched system flexibility with simple wiring changes. Some of the possibilities are: Biamplified Stereo - A pair of channels drives mid and high frequency speakers;... -
Page 6: Amplifier Bridging
This provides the out- of-phase drives required for bridged operation. The Power 650 and Power 360 are designed so that the four amplifier sections can be bridged in several ways. Right and Left High-Frequency channels bridged, Right High... -
Page 7: Amplifier Block Diagram
INPUTS R C A Conn POWER 650/360 AMPLIFIER BLOCK DIAGRAM - 5 -... -
Page 8: Why Biamplify
WHY BIAMPLIFY? For the performance. Biamplified systems can play cleanly at higher output levels than stereo systems of the same total power. the convenience. Building a satisfactory crossover system for woofer-to-midrange crossover frequencies requires large, expensive inductors and capacitors, as well as design time and mounting problems. -
Page 9: Speaker Impedance
(Two 4-ohm speakers in parallel form a 2-ohm load.) The Power 360 is designed for a 4-ohm nominal minimum impedance on each of its four channels. In bridged mode (two amplifier channels driving a single load), each channel “sees”... -
Page 10: Power Ratings
SPEAKER POWER RATINGS The Power 650 and 360 are very high-powered amplifiers, and special care must be taken to be sure that the speakers can handle the power levels. The speaker manufacturer’s recom- mendations power levels crossover frequencies should observed. Woofers with high power ratings sometimes “pop”, “clang”, “snap”, or otherwise show signs of bottoming. -
Page 11: Crossover System
Another method of taming the piezo is to insert a 1- to 10-ohm resistor in series with one of its leads. CROSSOVER SYSTEM The Power 650 and Power 360 incorporate separate high- and low-frequency crossovers, which are controlled by screwdriver- slot switches on one end of the power amplifier. The crossover... -
Page 12: Using The Crossovers
USING THE CROSSOVERS The crossovers are usually used in biamplified mode. They separate the frequencies in the input signal into low and high frequencies separate woofer high frequency amplifiers. (See the Amplifier Block Diagram for a system layout.) When the crossovers are used for biamplified systems, the High and Low frequencies are usually set equal. -
Page 13: Crossover Settings
CROSSOVER SETTINGS Crossover Setting, Hz (Low/High) Suggested Applications Flat/Flat Dual Stereo systems with two pairs of full range speaker systems. Bridged Stereo systems. Flat/l 00 Dual Stereo systems with front speakers having less bass capability. Flat/250 Dual Stereo systems with small front speakers. “Subwoofer”... -
Page 14: Crossover Response Curves
Summed Output Power--Flat O u t p u t - 1 5 2 5 0 6 0 0 9 5 0 1 6 0 Frequency, Hertz BOTH CROSSOVERS SET EOUAL (250 Hertz) O u t p u 1 6 0 2 5 0 6 0 0 9 5 0... -
Page 15: Amplifier Power Wiring
AMPLIFIER POWER WIRING The Power 650 and Power 360 battery power connections are made with heavy self-resetting wire. A circuit breaker connectors are provided with the unit. For best performance wire the amplifier exactly as described. Any resistive con- nections or voltage drops in the power wiring will result in... -
Page 16: Din Interconnect Cable
Female or pre-out Connector INPUT MODE SWITCH The input of the Power 650 and Power 360 normally comes from the DIN input connector and is split by the crossovers into high and low channel drives. However, there are some cases where it is desirable to be able to drive the low channels independently. -
Page 17: Turn-On Connection
MOUNTING THE POWER 360 The mounting position of the Power 360 will have a large effect on its ability to dissipate the heat generated in normal operation. The Power 360 has an ample heat sink for its dissipation, and internal overheating shutoff circuitry, so it is reasonably tolerant of mounting variations. - Page 18 Trunk Mounting - We have measured trunk temperatures as high as 150 degrees Farenheit in the summertime. Since the thermal shutoff point for the Power 360 is 195 degrees F, it is easy to see that the amp must be mounted for maximum cooling capability.
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Page 19: Power 650 Specifications
POWER 650 SPECIFICATIONS Power Ratings: Channel 4 Ohms: 125 watts per channel continuous power into 4 Ohms, 4 channels driven, from 20 to 20,000Hz, with less than 0.05% THD + N (Total Harmonic Distortion & Noise). 2 Ohms: 160 watts per channel continuous power into 2 Ohms, 4 channels driven, from 20 to 20,000Hz, with less than 0.1% THD + N. -
Page 20: Power 360 Specifications
POWER 360 SPECIFICATIONS Power: Four channels at 90 Watts/Channel continuous, all channels driven into 4 Ohms, 20Hz - 20KHz, with less than .03% THD + Noise. Noise: Less than -8OdB both power amp and preamp. Crossover: 12dB/Octave, switch controlled. Crossover Frequencies:... -
Page 21: Biamplified Mode Wiring Diagram
POSITIVE-VOLTAGE TURN-ON TO SOURCE ACCESSORY OR AUTO-ANTENNA LEAD LEFT HIGH CHAN. MID-TWEETER INTERCONNECT CABLE TO EQUALIZER/ PREAMPLIFIER RIGHT HIGH CHAN. MID-TWEETER CONNECTOR LEFT LOW CHAN. 9-PIN WOOFER CONNECTOR RIGHT LOW CHAN. POWER AMP WOOFER BLACK 8 -GAUGE TO CHASSIS GROUND WHITE 8 -GAUGE-TO BATTERY... -
Page 22: Biamplified Stereo Diagram
Midrange/ Tweeters W o o f e r s Left High Right High Left Low Right Low Channe l Channel Channel Channel P o w e r 650 I P o w e r 360 9-Pin Connector Notes : High and Low crossovers set to 100, 250, or 600 Hertz BIAMPLIFIED STEREO... -
Page 23: Biamplified Stereo Bridged Mono Woofer Diagram
Midrange/ Tweeters Left High Right High Channe 1 Channe 1 Channel Channel Power 650 / Power 360 9-Pin Connector Notes : Both High and Low Crossovers set to 100, 250, or 600 Hertz BIAMPLIFIED STEREO BRIDGED MONO WOOFER... -
Page 24: Dual Stereo Diagram
Right Low Right High Channel Channel Channel Channel Power 650/ Power 360 9-Pin C o n n e c t o r Notes: c r o s s o v e r s e t “Flat”. H i g h... -
Page 25: Bridged Stereo Diagram
Full-Range Left Right Channel Channel Power 650 / Power 360 9-Pin Connector Notes : Both High set to “Flat” position. and Lou Crossovers BRIDGED STEREO - 23 -... -
Page 26: Bridged Mono Biamplified Diagram
Tweeters Woofers High High Channel Channel Channel Channel Power 650 / Power 360 #1 Power 9-Pin Connector 9-Pin Connector Notes : High and lou crossovers set to 100, 250 or 600 Hertz. Bridging split out Left “Y” Adapter, P/N FA-683, used to amplifiers.
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