Rockford-fosgate 240X4 User Manual

®®INSTALLATION & OPERATIONMANUAL®trans•ana4®trans•ana4-CHANNEL AMPLIFIERS

DESIGN FEATURES1. Cast Aluminum Heatsink – The cast aluminum heatsink of thePunch amplifier dissipates heat generated by the amplifier'scircuitry

6. RCA Input Jacks – The industry standard RCA jacks provideeasy connections for signal level input. They are gold-plated toresist the signal degrad

INSTALLATION CONSIDERATIONSThis section focuses on some of the vehicle considerations forinstalling your new Punch amplifier. Checking your battery a

MOUNTING LOCATIONThe mounting location and position of your amplifier will have a greateffect on its ability to dissipate the heat generated during no

Amplifiers will put an increased load on the vehicle's battery andcharging system. We recommend checking your alternator andbattery condition to

3. Punch 160x4Trim the power cable to within 18" of the battery and install theprotective rubber boot packed with the fuseholder over theend of t

6. Prepare the REM turn-on wire for connection to the amplifierby stripping 5/8" of insulation from the wire end and crimpingan insulated spade

USING THE XCARDThe crossover functions are controlled through the use of anXCard and can be set for high-pass, low-pass or full rangeoperation. Each c

USING THE SIGNAL INPUT SWITCH2-Channel InputInput1 2Rear XCardFront XCard+ L– + R–LRLR– R+– L+4-Channel Input+ L– + R–L F R F12– L+ – R+LR RRInputRea

BASIC CONNECTIONS*Keep grounds as short as possible.Power ConnectionsREMPowerConnect to remote turn-on lead of source unitConnect to B+ of battery wit

Stereo Operation+L–+R–Input2-Ch.{+ –+ –Rear XCardFront XCard4 ohm 4 ohm*Note: XCard can be inserted in HP, LP, or Full RangeRear XCard*Front XCard*LPL

Mono Operation+ L– + R–Input2-Ch.{+ –+ –Rear XCardFront XCard4 ohm 4 ohm*Note: XCard can be inserted in HP, LP, or Full RangeRear XCard*Front XCard*LP

3-Channel OperationNote: Invert the speaker wire polarity (+ and –) on the rear channels ifXCard for front channel is set to HP and XCard for rear cha

4-Channel Stereo Operation+ –2 ohm+ –2 ohm+ L–2-Ch.{+ –Rear XCardFront XCard2 ohm*Note: XCard can be inserted in HP, LP, or Full RangeRear XCard*Front

4-Channel Stereo/Single Bridged Operation• RCAs are connected to front or front and rear inputs• Signal Input Switch is set to 2-channel or 4-channel

– +2 ohm– +2 ohm+ L–2-Ch.{+ –Rear XCardFront XCard2 ohm*Note: XCard can be inserted in HP, LP, or Full RangeRear XCard*Front XCard*FULLFULL2-Channel

SYSTEM DIAGRAMS80 Watt 3-Way System®PWR-812FrontRear®trans•ana+ –+ –12dB/octave LP20Hz - 100HzRFA-41412dB/octave HP100Hz - 20,000Hz2X-4 2X-4RFA-414+–+

80 Watt 4-Way SystemRFA-414®PWR-812FrontRear12dB/octave HP6dB/octave LP100Hz - 275Hz12dB/octave LP20Hz - 100Hz2X-4®trans•ana+ –+ –2X-4RFA-4146dB/octav

200 Watt 4-Way System®trans•anaPWR-812FrontRear12dB/octave LP20Hz - 100Hz+ –+ –®®trans•ana®RFA-41412dB/octave HP100Hz - 20,000Hz2X-42X-4RFA-414RFA-414

300 Watt 4-Way SystemRFA-4142X-42X-4RFA-41412dB/octave HP100Hz - 20,000HzFrontRear®®trans•anaRFA-41412dB/octave HP100Hz - 20,000Hz2X-42X-4RFA-414®tran

Dear Customer,Congratulations on your purchase of the world's finest brand of car audioamplifiers. At Rockford Fosgate we are committed to music

TROUBLESHOOTINGAmplifier does notturn on(Power LED is off)Symptom Diagnosis RemedyVoltage applied to theREM terminal of theamplifier is not between10.

Speaker OutputLow or DistortedReadjust input gains ofamplifier.Check system with knownworking source and repairor replace original sourceas needed.Che

Noise is radiating intoRCA signal cable.Bad component in the sig-nal chain.Noise is radiating intospeaker cables.Multiple grounds in theaudio system.G

DYNAMIC POWER MEASUREMENTSAbout the Dynamic Power MeasurementsThe Audio Graph PowerCube is a test instrument used to measure theoutput of an amplifier

Information CubedThe data acquired in the testing procedure is then graphed in the formof a 3-dimensional cube. Hence the name PowerCube.The Phase Ang

160X4 SPECIFICATIONSContinuous Power Rating (Competition Standard) – Measured at 13.8VRMS continuous power per channel, all channels 20 Wattsdriven

Continuous Power Rating (Competition Standard) – Measured at 13.8VRMS continuous power per channel, all channels 30 Wattsdriven into a 4Ω load from

WARRANTY INFORMATIONRockford Fosgate warrants all electronics to the original consumer/purchaser tobe free from defects in materials or workmanship fo

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TABLE OF CONTENTSIntroduction ... 1Punch 4-Channel Amplifier Access

Rockford FosgateRockford Corporation546 South Rockford DriveTempe, Arizona 85281 U.S.A.In U.S.A., (602) 967-3565In Europe, Fax (49) 4207-801250In Jap

INTRODUCTIONThe Punch 160x4 and 240x4 are 4-channel amplifiers which candeliver 160 watts and 240 watts RMS respectively. Both ampli-fiers utilize a 2

ROCKFORD FOSGATE ACCESSORIESThe following accessories were designed to enhance the perfor-mance of the Punch 160x4 and 240x4 amplifiers.Energy Storag

TECHNICAL DESIGN FEATURES– 3 –◆ TRANS•ANA (TRANSconductance ActiveNodal Amplifier)The TRANS•ANA (TRANSconductance Active Nodal Amplifier)is a circuit

◆ DSM (Discrete Surface Mount) TechnologyThe DSM (Discrete Surface Mount) manufacturing process com-bines the advantages of both discrete components a

◆ RTP (Real Time Protection)NOMAD (NOn-Multiplying Advanced Decision)The Punch and Power amplifiers use an analog computer process tomaximize safe out