Rockford-fosgate 400x4 Manuale Utente

®®INSTALLATION & OPERATIONMANUAL4®trans•ana4-CHANNEL AMPLIFIER

◆ Pass-Thru OutputThe Pass-Thru output provides a convenient source for daisy-chaining an additional amplifier without the need for extra RCAcables or

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

7. Signal Input Switch – This switch allows selection of 2-channelor 4-channel input. 8. RCA Pass-Thru Jacks – The Pass-Thru provides a convenients

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. Mount the fuseholder within 18" of the battery using two (2) #8screws. Disassemble the fuseholder. You should have 2 blackplastic end caps, 2

8. Connect the speakers. Strip the speaker wires 5/8" and insertinto the appropriate terminal on the amplifier. Insert the baredwire into the spe

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

XCARD CONFIGURATIONSREM B+ GNDLEDRear FrontXCard Rear 1XCard Front XCard Pass-ThruLP20Hz-100Hz12dB/octave LPFullRangeXCard Rear 2–L++L– +R– –R+–L+REM

– 16 –Configure a 24dB/octave filter for the Rear channels.• Rear XCards 1 & 2 set identically to High-Pass or Low-PassREM B+ GNDLEDRear FrontXCar

LPXCard Pass-ThruFrontGainRearGain0/180 4/220Hz-100Hz12dB/octave LPXCard Front XCard Rear1XCard Rear2– 17 –Configure a 12dB/octave filter for the Pass

USING THE SIGNAL INPUT SWITCH2-Channel Input– 18 –• RCAs connected to Front inputs• Signal Input Switch set to 2-channel input• Pass-Thru is a non-fad

– 19 –• RCAs connected to Front & Rear inputs• Signal Input Switch set to 4-channel input• Pass-Thru is a non-fading summed output• This configura

BASIC CONNECTIONSPower Connections– 20 –Connect to remote turn-on lead of source unitConnect to B+ of battery with a 50 amp fuseConnect to chassis gro

– 21 –2-Channel Stereo OperationFrontGainRearGain0/180 4/2INPUTREM B+ GNDLEDRear FrontPass-ThruFront Rear4 ohm min.left4 ohm min.right+ –+ –– L++L–+R–

2-Channel Mono Operation– 22 –FrontGainRearGain0/180 4/2INPUTREM B+ GNDLEDRear FrontPass-ThruFront Rear4 ohm min. 4 ohm min.+ –+ –– L++L–+R––R+• RCAs

3-Channel Operation– 23 –FrontGainRearGain0/180 4/2– L+REM B+ GNDLED+L–Rear FrontPass-ThruFront Rear4 ohm min.2 ohm min.+ –+ –4-Ch.{2-Ch.{INPUT+ –2 oh

4-Channel Stereo Operation– 24 –2 ohm min.+ –+ –2 ohm min.FrontGainRearGain0/180 4/2– L+REM B+ GNDLED+L–Rear FrontPass-ThruFront Rear2 ohm min.+ –4-Ch

4-Channel Stereo/Single Mono Operation– 25 –2 ohm min.+ –+ –2 ohm min.FrontGainRearGain0/180 4/2– L+REM B+ GNDLED+L–Rear FrontPass-ThruFront Rear2 ohm

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

4-Channel Stereo/Dual Mono Operation– 26 –2 ohm min.+ –+ –2 ohm min.FrontGainRearGain0/180 4/2– L+REM B+ GNDLED+L–Rear FrontPass-ThruFront Rear2 ohm m

SYSTEM DIAGRAMS200 Watt 3-Way System– 27 –4®trans•ana®RFA-812FrontRear+ –+ –24dB/octave LP20Hz - 100HzRFA-41412dB/octave HP100Hz - 20kHz2X-4 2X-4RFA-4

400 Watt 4-Way System– 28 –4®trans•ana®RFA-812FrontRear+ –RFA-41412dB/octave HP275Hz - 20kHz2X-4 2X-4RFA-414+–+–+–+–+–+–24dB/octave LP20Hz - 100Hz+ –D

600 Watt 4-Way System– 29 –RFA-812FrontRear+ –24dB/octave LP20Hz - 100Hz+ –DSM®2+–+–12dB/octave LP12dB/octave HP100Hz - 275Hz4®trans•ana®RFA-41412dB/o

800 Watt 4-Way System– 30 –RFA-812FrontRear+ –24dB/octave LP20Hz - 100Hz+ –DSM®2+–+–12dB/octave LP12dB/octave HP100Hz - 275Hz4®trans•ana®RFA-41412dB/o

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

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

400X4 SPECIFICATIONSContinuous Power Rating (Competition Standard) – Measured at 13.8VRMS continuous power per channel, all channels 50 Wattsdrive

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

NOTES

NOTES

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 400x4 (pronounced “x4” not “by 4”) is a 4-channelamplifier which can deliver 400 watts RMS. This amplifierutilizes a 2/4-channe

ROCKFORD FOSGATE ACCESSORIESThe following accessories were designed to enhance the perfor-mance of the Punch 400x4 amplifiers.Energy Storage Capacito

TECHNICAL DESIGN FEATURES– 3 –◆ TOPAZ (Tracking Operation Pre-Amplifier Zone)The TOPAZ (Tracking Operation Pre-Amplifier Zone) circuitrysolves ground

◆ 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