Rockford-fosgate 250.2 User Manual

punchcompetition Power amplifiersOperation & Installation250.1250.2® ®car audiofanaticsfor®powerpowernewchromeheatsink

250.1 DESIGN FEATURES 1. Cast Aluminum Chrome Heatsink – The cast aluminum heatsink of the Punch Power amplifier dissipates heatgenerated by the ampl

10. Internal Crossover – This built-in crossover card is configurable for a multitude of operating frequencies. Theorientation of the card in its sock

– 9 –INSTALLATION CONSIDERATIONSTools NeededThe following is a list of tools you will need for installing the “250 Series” Power amplifiers:Allen wren

MOUNTING LOCATIONSThe mounting location and position of your amplifier will have a great effect on its ability to dissipate the heat generatedunder no

WIRING THE SYSTEMCAUTION: Avoid running power wires near the low level input cables, antenna, power leads, sensitive equipment orharnesses. The power

USING PASSIVE CROSSOVERSA passive crossover is a circuit that uses capacitors and/or coils and is placed on speaker leads between the amplifier andspe

TABLE OF CROSSOVER COMPONENT VALUES6dB/Octave Low-Pass6dB/Octave High-PassFreq.HertzSpeaker Impedance80 4.1mH 1000µF 8.2mH 500µF 16mH 250µF100 3.1mH 8

USING THE XCARDThe crossover functions are controlled through the use of an XCard and can be set for high-pass, low-pass or full rangeoperation. The X

– 15 –XCARD RESISTOR CHARTFrequency R1 R220Hz 169kΩ 169kΩ25Hz 133kΩ 133kΩ30Hz 110kΩ 110kΩ35Hz 95.3kΩ 95.3kΩ40Hz 84.5kΩ 84.5kΩ45Hz 75kΩ 75kΩ50Hz 68.1kΩ

250.2 INSTALLATION– 16 –*Keep wire as short as possible.250.2 Power Connections (Option #1)250.2 Power Connections (Option #2)*Keep wire as short as p

Dear Customer,Congratulations on your purchase of the world's finest brand of car audio amplifiers. At Rockford Fosgate weare fanatics about mus

– 17 –• RCA inputs are connected to both left and right channels• Signal Input Switch selected to Unbalanced for RCA input• Left Phase Switch set to 0

– 18 –• RCA inputs are connected to both left and right channels• Signal Input Switch selected to Unbalanced for RCA input• Left Phase Switch set to 0

– 19 –USING THE 250.2 SIGNAL SWITCHING NETWORKThe Punch 250.2 Power amplifier has a crossover switching network which enables you to:• “Audiophile Byp

– 20–XCard 1 XCard 2XCard not required.• 250.2 bypasses the circuitry of XCard 1 and XCard 2• Pass-Thru bypasses the circuitry of XCard 1 and XCard 2•

– 21 –• 250.2 uses output from XCard 1• Pass-Thru uses output from XCard 2Configure a 12dB per octave filter for both the 250.2 and Pass-Thru.INSTALLA

– 22 –XCard 1 XCard 2LPPass Thru XCardXCard not required.“Audiophile Bypass” the 250.2 and configure a 12dB per octave filterfor the Pass-Thru.• 250.2

– 23 –Configure a 12dB per octave bandpass filter for the250.2 and “Audiophile Bypass” the Pass-Thru.Configure a 24dB per octave filter for the 250.2

The Balanced Line Inputs can be utilized with the optional Balanced Line Transmitter. Unlike standard RCA cables that usetwo wires to carry the audio

– 25 –Level Setting the BLT• Disconnect Speaker(s) from the 250.2• CD Software used to set levels is a test tone of 1kHz at “0dB” or “All Bits High”•

250.1 INSTALLATION– 26 –250.1 Power Connections (Option #1)+–250.1 Power Connections (Option #2)+–*Keep ground connections as close to each other as p

TABLE OF CONTENTSIntroduction...

– 27 –Mono Operation• Signal Input Switch set to L+R for RCA input• Phase Switch set to 0°• Impedance should be 2Ω minimum• XCard can be set for High-

– 28 –• Signal Input Switch (250.1 #1 / #2) set to L(Mono) for single RCA input)• Phase Switch (250.1 #1/2) set to 0°• Impedance for each amplifier sh

– 29 –Stereo/Mono OperationINSTALLATION® ®250.1 #2250.1 #1–+RCA Input+–LR+–R Pass ThruL Pass ThruPowerGainX-Over24dB/12dB/0dBL + R / L (Mono)RCA Input

– 30 –Bridged Mono OperationINSTALLATION® ®250.1 #2250.1 #1RCA Input+–PowerGainX-Over24dB/12dB/0dBL + R / L (Mono)RCA Inputs0°-180°Speaker– +L (

USING THE 250.1 SIGNAL SWITCHING NETWORK– 31 –• Xover is set to 0dB• The 250.1 is in Audiophile Bypass mode which maintains signal integrity resulting

– 32 –• Xover is set to 12dB• Pass-Thru has Full Range output onlyConfigure a 12dB per octave filter for the 250.1INSTALLATION® ®–+20Hz20kHzFull Range

– 33 –Configure a 24dB per octave filter for the 250.1• Xover is set to 24dB• Pass-Thru has Full Range output only• By switching the crossover to 24dB

SYSTEM DIAGRAMS– 34 –250 Watt System (rated @ 4 ohms)Total Power Delivery (RMS)Tweeters 450 WattsMidrange 450 WattsPWR-14XPWR-544Ω80Hz HP80Hz HPPWR-14

– 35 –500 Watt System (rated @ 4 ohms)Total Power Delivery (RMS)Tweeters 450 WattsMidrange 450 WattsWoofers 500 Watts• A sub-sonic filter is a high-pa

• A sub-sonic filter is a high-pass filter that limits the input signal below a certain motion below that frequency. At very low frequenciesa woofer h

– 1 –PUNCH AMPLIFIER ACCESSORY PACKThe accessory pack shipped with the “250 series” Power amplifiers include the mounting hardware necessary to secur

1000 Watt System (rated @ 4 ohms)Total Power Delivery (RMS)Tweeters 450 WattsMidrange 450 WattsMidbass 250 WattsWoofers 1000 Watts• A sub-sonic

ROCKFORD FOSGATE ACCESSORIES®Balanced Line Transmitter (FG-BLT)The Balanced Line Transmitter converts signal RCA cables from the source unit to balanc

®XCard CrossoversAdditional crossover card frequencies are available for specialized requirements. You can get the followingXCards from your Authorize

Symptom Diagnosis RemedyTROUBLESHOOTINGAmplifier does not turn on.(Power LED is off)Voltage applied to the REM terminal of theamplifier is not between

– 41 –Symptom Diagnosis RemedySpeaker Output Lowor DistortedInput gain(s) for amplifier incorrectly set.Source unit output too low or source unithas n

Input gain(s) for amplifier incorrectly set.Source unit output too low.XCards are missing or not placed properlyin crossover slots and/or switches are

AUTOSOUND 2000'sQUICK CHECK FOR TROUBLESHOOTINGCAR AUDIO SYSTEMSPreface:All audio systems exhibit noise; however, if the level of noise is low en

III. MOVE THE DECK. If you're at this step, it's time to turn your system into an “amplified deck” by temporarily relocating the deckright O

–60° (Cap)0°(Ind) +60°1Ω2Ω4ΩImpedance8Ω10V30V50V8Ω –60°–30°0°30°60°4Ω –60°–30°0°30°60°2Ω –60°–30°0°30°60°1Ω –60°–30°0°30°60°85 W84 W84 W84 W86 W1

– 46 –250.2 SPECIFICATIONSDynamic Power Rating (IHF-202 Standard) - Measured at 14.4VPer channel into a 4Ω load 180 WattsPer channel into a 2Ω load 31

– 2 –TECHNICAL DESIGN FEATURESMany of the solutions to common design problems encountered by Rockford Fosgate engineers created entire new circuitdesi

250.1 SPECIFICATIONS– 47 –Dynamic Power Rating (IHF-202 Standard) - Measured at 14.4VMono into a 4Ω load 420 WattsMono into a 2Ω load 710 WattsBri

– 48 –LIMITED WARRANTY INFORMATIONRockford Corporation offers a limited warranty on Rockford Fosgate products on the following terms:• Length of Warra

INFORMATIONI NTERNATIONAL– 49 –

LEA DETENIDAMENTE LAS SIGUIENTES INSTRUCCIONES DE INSTALACIÓN DEL PRODUCTO. EVITARA POSIBLES DAÑOSA VD., AL VEHÍCULO O AL PRODUCTO.Los amplificadores

Operación mono/estéreo• Los conectores de entrada RCA se conectan a ambos canales derecho eizquierdo• El conmutador de señal de entrada se colocara en

ATTENTION: Veuillez lire les instructions suivants pour l'nstallation de ce produit. Ne pas les suivre pourrait causer desblessures ou endommager

Opération stéréo/mono (Tri-mode)• Les entrées RCA sont connectées aux canaux gauche et droit• L'interrupteur “Signal Input” doit se trouver dans

Bitte lesen Sie diese Gebrauchsanleitung zuerst sorgfältig durch. Das kann Sie vor dem falschen Einsatz, Ausfallen oder sogarBeschädigung des Produkte

Stereo/Mono Betrieb• Chinch Eingänge des rechten und linken Kanales anschlieben• Signal Eingangsschalter auf “unbalanced” für den Betrieb mit Chinch-K

PREGO LEGGERE LE SEGUENTI ISTRUZIONI PER L'INSTALLAZIONE DI QUESTO PRODOTTO, IL NON SEGUIRLE POTREBBERISULTARE SERIAMENTE DANNOSO PER LA PERSONA

– 3 –◆ DSM (Discrete Surface Mount Technology)The DSM (Discrete Surface Mount) manufacturing process combines the advantages of both discrete componen

Stereo/Mono Operation• RCA inputs non sono collegati ad entrambi, i canli destro e sinistro• Interruttore di segnale input selezionato per il non bila

Rockford FosgateRockford Corporation546 South Rockford DriveTempe, Arizona 85281 U.S.A.In U.S.A., (602) 967-3565In Europe, Fax (49) 4202-9750-50In Ja

– 4 –Differential inputs only amplify the difference between two conductors.Note: the noise spikes appear on both the center conductor and the outersh

250.2 DESIGN FEATURES 1. Cast Aluminum Chrome Heatsink – The cast aluminum heatsink of the Punch Power amplifier dissipates heatgenerated by the ampl

10. Input Sensitivity Controls – The input level controls are preset to match the output of most source units. They can beadjusted to match output lev