Rockford Fosgate 250.1 manual

power competition Power amplifiers Operation & Installation 250. 1 250. 2 ® ® car audio fanatics for ® power power[...]

Dear Customer, Congratulations on your purchase of the world's finest brand of car audio amplifiers. At Rockford Fosgate we are fanatics about musical reproduction at its best, and we are pleased you chose our product. Through years of engineering expertise, hand craftsmanship and critical testing procedures, we have created a wide range of pr[...]

T ABLE OF C ONTENTS Introduction .............................................................................................................................................................. 1 Punch Accessory Pack ........................................................................................................... ...........................[...]

– 1 – P UNCH A MPLIFIER A CCESSOR Y P ACK The accessory pack shipped with the “250 series” Power amplifiers include the mounting hardware necessary to secure it to the vehicle as well as attaching the end caps. Punch Power 250.2 Punch Power 250.1 Installation & Operation Manual Installation & Operation Manual Punch Verification Cert[...]

– 2 – T ECHNICAL D ESIGN F EA TURES Many of the solutions to common design problems encountered by Rockford Fosgate engineers created entire new circuit designs as well as new ways to construct the Punch 250. 2 and 250. 1 Power Amplifiers. In our flagship amplifiers, no expense was spared in design and construction from the unique circuitry des[...]

– 3 – ◆ DSM (Discrete Surface Mount Technology) The DSM ( D iscrete S urface M ount) manufacturing process combines the advantages of both discrete components and integrated circuitry. Rockford Fosgate is the only American amplifier manufacturer to have invested millions into this process. DSM components differ from conventional discrete comp[...]

– 4 – Differential inputs only amplify the difference between two con- ductors. Note: the noise spikes appear on both the center conduc- tor and the outer shield and therefore are not amplified. Center Conductor Outer Shield RCA Input Differential Input Figure 2 ◆ Balanced Line Inputs (250. 2 ) Using the 250. 2 with the BLT ( B alanced L ine [...]

250. 2 D ESIGN F EA TURES 1. Cast Aluminum Heatsink – The cast aluminum heatsink of the Punch Power amplifier dissipates heat generated by the amplifier's circuitry. The inherent advantage of casting provides a 30% improvement of cooling over conventional extrusion heatsink designs. 2. End Caps – The unique end caps conceal the wiring and [...]

10. Input Sensitivity Controls – The input level controls are preset to match the output of most source units. They can be adjusted to match output levels from a variety of source units. 11. Internal Crossovers – These built-in crossover cards are configurable for a multitude of operating frequencies. The orientation of the card in its socket d[...]

250. 1 D ESIGN F EA TURES 1. Cast Aluminum Heatsink – The cast aluminum heatsink of the Punch Power amplifier dissipates heat generated by the amplifier's circuitry. The inherent advantage of casting provides a 30% improvement of cooling over conventional extrusion heatsink designs. 2. End Caps – The unique end caps conceal the wiring and [...]

10. Internal Crossover – This built-in crossover card is configurable for a multitude of operating frequencies. The orientation of the card in its socket determines the function of high-pass, low-pass or full range operation. 11. Phase Switch – This switch enables you to easily invert the phase without having to disconnect the speaker wires. 12[...]

– 9 – I NST ALLA TION C ONSIDERA TIONS T ools Needed The following is a list of tools you will need for installing the “ 250 Series ” Power amplifiers: Allen wrenches 9/64" & 3/32" (included) Wire Cutters Wire strippers Voltmeter Battery post wrench Wire crimpers Electric hand drill and assorted bits Assorted connectors This s[...]

M OUNTING L OCA TION S The mounting location and position of your amplifier will have a great effect on its ability to dissipate the heat generated under normal operation. The design of our cast aluminum heatsink serves to easily dissipate the heat generated over a wide range of operating conditions. However, to maximize the performance of your amp[...]

W IRING T HE S YSTEM CAUTION: Avoid running power wires near the low level input cables, antenna, power leads, sensitive equipment or harnesses. The power wires carry substantial current and could induce noise into the audio system. 1. Configure the internal XCard crossovers prior to installation. Refer to the “ Using the Signal Switching Network[...]

U SING P ASSIVE C ROSSOVERS A passive crossover is a circuit that uses capacitors and/or coils and is placed on speaker leads between the amplifier and speaker. The crossover delegates a specific range of frequencies to the speaker for optimum driver performance. A crossover network can perform one of three functions: High-Pass (capacitors), Low-Pa[...]

T ABLE OF C ROSSOVER C OMPONENT V ALUES 6 dB/Octave Low-Pass 6 dB/Octave High-Pass Freq. Hertz Speaker Impedance 80 4.1mH 1000 µ F 8.2mH 500 µ F 16mH 250 µ F 100 3.1mH 800 µ F 6.2mH 400 µ F 12mH 200 µ F 130 2.4mH 600 µ F 4.7mH 300 µ F 10mH 150 µ F 200 1.6mH 400 µ F 3.3mH 200 µ F 6.8mH 100 µ F 260 1.2mH 300 µ F 2.4mH 150 µ F 4.7mH 75 ?[...]

U SING THE XC ARD The crossover functions are controlled through the use of an XCard and can be set for high-pass, low-pass or full range operation. The XCard shipped with your amplifier is set for Full Range. Each crossover card has two faces: one face operates Full Range , the other has arrows to indicate the edge for selecting HP (high-pass) or [...]

– 15 – XC ARD R ESISTOR C HART Frequency R1 R2 20Hz 169k Ω 169k Ω 25Hz 133k Ω 133k Ω 30Hz 110k Ω 110k Ω 35Hz 95.3k Ω 95.3k Ω 40Hz 84.5k Ω 84.5k Ω 45Hz 75k Ω 75k Ω 50Hz 68.1k Ω 68.1k Ω 55Hz 61.9k Ω 61.9k Ω 60Hz 56.2k Ω 56.2k Ω 65Hz 52.3k Ω 52.3k Ω 70Hz 48.7k Ω 48.7k Ω 75Hz 45.3k Ω 45.3k Ω 80Hz 42.2[...]

250. 2 I NST ALLA TION – 16 – *Keep wire as short as possible. 250. 2 Power Connections (Option #1) 250. 2 Power Connections (Option #2) *Keep wire as short as possible. I N S T A L L A T I O N ® ® REM Power Connect to remote turn-on lead of source unit. Connect to B+ of battery with a 60 amp fuse. Connect to chassis ground of vehicle* Connec[...]

– 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 ° • Right Phase Switch set to 180 ° for stereo/mono operation • All speaker polarity on right channel is inverted to correct for signal phase • Gain for left and right channels s[...]

– 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 ° • Right Phase Switch set to 180 ° • Inverting the right signal will allow the bridged woofer to operate correctly • Gain for left and right channels set equally to balance the [...]

– 19 – U SING THE 250. 2 S IGNAL S WITCHING N ETWORK The Punch 250. 2 Power amplifier has a crossover switching network which enables you to: •“ Audiophile Bypass ” the 250. 2 and Pass-Thru • Configure a 12dB per octave filter for both 250. 2 and Pass-Thru •“ Audiophile Bypass ” the 250. 2 and configure a 12dB per octave filter fo[...]

– 20– XCard 1 XCard 2 XCard not required. • 250. 2 bypasses the circuitry of XCard 1 and XCard 2 • Pass-Thru bypasses the circuitry of XCard 1 and XCard 2 • The 250. 2 and Pass-Thru are in Audiophile Bypass mode which maintains signal integrity resulting in a better sounding amplifier • The XCards do not need to be inserted to allow the[...]

– 21 – • 250. 2 uses output from XCard 1 • Pass-Thru uses output from XCard 2 Configure a 12dB per octave filter for both the 250. 2 and Pass-Thru. I N S T A L L A T I O N ® ® XCard 1 XCard 2 250. 2 XCard Pass Thru XCard HP LP Unbal. Pass Thru Bal. Input 0 ° -180 ° EZ-180 ° -0 ° Bridged Gain Gain Bal. + – + – 20Hz 20kHz 12dB/Octav[...]

– 22 – XCard 1 XCard 2 LP Pass Thru XCard XCard not required. “ Audiophile Bypass ” the 250. 2 and configure a 12dB per octave filter for the Pass-Thru. • 250. 2 bypasses the circuitry of XCard 1 • Pass-Thru uses output from XCard 2 • The 250. 2 is in Audiophile Bypass mode which maintains signal integrity resulting in a better soundi[...]

– 23 – Configure a 12dB per octave bandpass filter for the 250. 2 and “ Audiophile Bypass ” the Pass-Thru. Configure a 24dB per octave filter for the 250. 2 and “ Audiophile Bypass ” the Pass-Thru. I N S T A L L A T I O N ® ® *Note: Both XCard inserted as HP or LP. • 250. 2 uses output from XCard 1 and XCard 2 • Pass-Thru bypasses[...]

The Balanced Line Inputs can be utilized with the optional Balanced Line Transmitter. Unlike standard RCA cables that use two wires to carry the audio signal and ground, balanced lines use three. In a balanced line, the output signal and its inverted replica travel down a pair of wires where the ground connects via the shield. As the amplifier rece[...]

– 25 – Level Setting the BL T • 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 ” • Source Unit set to 3/4 volume (or maximum unclipped output) • Remove BLT Cover to access test pads and gain pots • AC Voltmeter set to AC Volts • AC Voltmeter “–?[...]

250. 1 I NST ALLA TION – 26 – 250. 1 Power Connections (Option #1) + – 250. 1 Power Connections (Option #2) + – *Keep ground connections as close to each other as possible. Less than 18" Less than 18" *Keep ground connections as close to each other as possible. I N S T A L L A T I O N ® ® Connect to remote turn-on lead of source[...]

– 27 – Mono Operation • Signal Input Switch set to L+R for RCA input • Phase Switch set to 0 ° • Impedance should be 2 Ω minimum • XCard can be set for High-Pass , Low-Pass or Full Range I N S T A L L A T I O N ® ® R Pass Thru L Pass Thru Power Gain Punch Status Display X-Over 24dB/12dB/0dB L + R / L (Mono) RCA Inputs 0 ° -180 ° [...]

– 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 should be 2 Ω minimum • XCard for each amplifier can be set for High-Pass, Low-Pass or Full Range Stereo Operation using two Punch 250. 1 Power Amplifiers I N S T A L L A T I O N ?[...]

– 29 – Stereo/Mono Operation I N S T A L L A T I O N ® ® 250. 1 #2 250. 1 #1 – + RCA Input + – LR + – R Pass Thru L Pass Thru Power Gain Punch Status Display X-Over 24dB/12dB/0dB L + R / L (Mono) RCA Inputs 0 ° -180 ° Speaker – + L (Mono) R 2 Ω minimum high frequency 4 Ω minimum low frequency + Speaker T erminal – Speaker T er[...]

– 30 – Bridged Mono Operation I N S T A L L A T I O N ® ® 250. 1 #2 250. 1 #1 RCA Input + – Power Gain Punch Status Display X-Over 24dB/12dB/0dB L + R / L (Mono) RCA Inputs 0 ° -180 ° Speaker – + L (Mono) R 4 Ω minimum + Speaker T erminal R Pass Thru L Pass Thru R Pass Thru L Pass Thru Power Gain Punch Status Display X-Over 24dB/12dB/[...]

U SING THE 250. 1 S IGNAL S WITCHING N ETWORK – 31 – • Xover is set to 0dB • The 250. 1 is in Audiophile Bypass mode which maintains signal integrity resulting in a better sounding amplifier • Pass-Thru has Full Range output only • The XCard does not need to be inserted to allow the 250. 1 to operate “ Audiophile Bypass ” the 250. 1[...]

– 32 – • Xover is set to 12dB • Pass-Thru has Full Range output only Configure a 12dB per octave filter for the 250. 1 I N S T A L L A T I O N ® ® – + 20Hz 20kHz Full Range + – Power Gain Punch Status Display X-Over 24dB/12dB/0dB L + R / L (Mono) RCA Inputs 0 ° -180 ° Speaker – + R Pass Thru L Pass Thru L (Mono) R XCard LP 20Hz 20[...]

– 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, the signal is routed through the XCard twice I N S T A L L A T I O N ® ® – + 20Hz 20kHz Full Range + – Power Gain Punch Status Display X-Over 24dB/12dB/0dB L + R / L (Mono) RCA [...]

S YSTEM D IAGRAMS – 34 – 250 W att System (rated @ 4 ohms) Total Power Delivery (RMS) Tweeters 450 Watts Midrange 450 Watts PWR-14X PWR-54 4 Ω 80Hz HP 80Hz HP PWR-14X TX-4183 TX-4183 18dB/octave HP 3kHz-20kHz 18dB/octave HP 3kHz-20kHz 24dB/octave HP 80Hz-20kHz PWR-14X PWR-54 4 Ω PWR-14X TX-4183 TX-4183 24dB/octave HP 80Hz-20kHz 250. 2 AUD S[...]

– 35 – 500 W att System (rated @ 4 ohms) Total Power Delivery (RMS) Tweeters 450 Watts Midrange 450 Watts Woofers 500 Watts • A sub-sonic filter is a high-pass filter that limits the input signal below a certain motion below that frequency. At very low frequencies a woofer has no output, just motion. If you try to drive this woofer at these l[...]

• A sub-sonic filter is a high-pass filter that limits the input signal below a certain motion below that frequency. At very low frequencies a woofer has no output, just motion. If you try to drive this woofer at these lower frequencies, the woofer could self-destruct. Please refer to the crossover section of the manual or see your local Authoriz[...]

1000 W att System (rated @ 4 ohms) Total Power Delivery (RMS) Tweeters 450 Watts Midrange 450 Watts Midbass 250 Watts Woofers 1000 Watts • A sub-sonic filter is a high-pass filter that limits the input signal below a certain motion below that frequency. At very low frequencies a woofer has no output, just motion. If you try to drive this woofer a[...]

R OCKFORD F OSGA TE A CCESSORIES ® Balanced Line T ransmitter (FG-BL T) The Balanced Line Transmitter converts signal RCA cables from the source unit to balanced signals. The BLT improves sound quality in the system by eliminating noises generated by vehicle electrical systems. The BLT is available for Rockford Fosgate products that offer a balanc[...]

– 39 – ® Punch Status Display (FG-PSD) The Punch Status Display is an LED array which monitors amplifier performance. The PSD is a 2-channel monitor which has an indicator for Power, three indicators for Signal Level (sig-max-clip), and an indicator for Thermal condition. The display is designed to be stackable for multiple amplifier monitorin[...]

® XCard Crossovers Additional crossover card frequencies are available for specialized requirements. You can get the following XCards from your Authorized Rockford Fosgate Dealer. Crossover Card High Pass Low Pass Full Range R1 R2 R1 R2 FULL Energy Storage Capacitors Energy Storage Capacitors are used to provide extra current needed by amplifiers [...]

Symptom Diagnosis Remedy T ROUBLESHOOTING Amplifier does not turn on. (Power LED is off) Voltage applied to the REM terminal of the amplifier is not between 10.5 and 15.5 volts or there is no voltage present. Voltage to the B+ terminal of the ampli- fier is not between 10.5 and 15.5 volts or there is no voltage present. Amplifier is not properly gr[...]

– 42 – Symptom Diagnosis Remedy Speaker Output Low or Distorted Input gain(s) for amplifier incorrectly set. Source unit output too low or source unit has no output. Phase selection of amplifier incorrectly selected or speakers wired out of polar- ity from the left to right channel. XCards are missing or not placed prop- erly in crossover slots[...]

Input gain(s) for amplifier incorrectly set. Source unit output too low. XCards are missing or not placed prop- erly in crossover slots and/or switches are not properly selected. Low battery voltage or large voltage drops to the amplifier under load. RCA cable or amplifier connected to Pass-Thru output is defective. Readjust input gains of amplifie[...]

A UTOSOUND 2000's Q UICK C HECK FOR T ROUBLESHOOTING C AR A UDIO S YSTEMS Preface: All audio systems exhibit noise; however , if the level of noise is low enough, and the signal level high enough, noise should not be a problem. This means that it is very important that the signal level throughout the system be optimized BEFORE dealing with you[...]

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 deck right ON T OP of the clean amplifier . Then using very , very short signal cables, connect the output of the deck into the input of the amp and test for noise. Play a zero bit track – silence – an[...]

– 60 ° (Cap) 0 ° (Ind) +60 ° 1 Ω 2 Ω 4 Ω Impedance 8 Ω 10V 30V 50V 8 Ω – 60 ° – 30 ° 0 ° 30 ° 60 ° 4 Ω – 60 ° – 30 ° 0 ° 30 ° 60 ° 2 Ω – 60 ° – 30 ° 0 ° 30 ° 60 ° 1 Ω – 60 ° – 30 ° 0 ° 30 ° 60 ° 85 W 84 W 84 W 84 W 86 W 162 W 157 W 156 W 157 W 162 W 273 W 258 W 251 W 256 W 271 W 390 W 356 W 3[...]

– 47 – 250. 2 S PECIFICA TIONS Dynamic Power Rating (IHF-202 Standard) - Measured at 14.4V Per channel into a 4 Ω load 180 Watts Per channel into a 2 Ω load 310 Watts Bridged into a 4 Ω load 620 Watts Continuous Power Rating (Competition Standard) - Measured at 13.8 Battery Volts RMS continuous power per channel , both channels driven int[...]

250. 1 S PECIFICA TIONS – 48 – Dynamic Power Rating (IHF-202 Standard) - Measured at 14.4V Mono into a 4 Ω load 420 Watts Mono into a 2 Ω load 710 Watts Bridged (using 2 Punch 250m) into a 4 Ω load 1420 Watts Continuous Power Rating (Competition Standard) – Measured at 13.8 Volts RMS continuous power mono , into a 4 Ω load from 20-20,[...]

– 49 – L IMITED W ARRANTY I NFORMA TION Rockford Corporation offers a limited warranty on Rockford Fosgate products on the following terms: • Length of Warranty 3 years on electronics 90 days on electronic B-stock (receipt required) 2 years on source units 30 days on speaker B-stock (receipt required) • What is Covered This warranty applies[...]

I NFORMA TION I NTERNA TIONAL – 50 –[...]

LEA DETENIDAMENTE LAS SIGUIENTES INSTRUCCIONES DE INSTALACI Ó N DEL PRODUCTO. EVITARA POSIBLES DA Ñ OS A VD., AL VEH Í CULO O AL PRODUCTO. Los amplificadores de “ la serie 250 ” representan lo ultimo y mejor que Rockford Fosgate puede ofrecerle. Muchas soluciones que nuestros ingenieros han inventado serian consideradas absolutamente desprop[...]

Operaci ó n mono/est é reo • Los conectores de entrada RCA se conectan a ambos canales derecho e izquierdo • El conmutador de se ñ al de entrada se colocara en Unbalanced par a las entradas RCA • El conmutador de fase del canal izquierdo estar á en 0 grados • El conmutador de fase del canal derecho estar á en 180 grados cuando se requi[...]

ATTENTION: Veuillez lire les instructions suivants pour l'nstallation de ce produit. Ne pas les suivre pourrait causer des blessures ou endommager le v é hicule. La s é rie d'amplificateurs Power 250 est la vitrine technologique de Rockford Fosgate. Nos ing é nieurs utilisent ici des technologies consid é r é es hors d'atteinte [...]

Op é ration st é r é o/mono (Tri-mode) • Les entr é es RCA sont connect é es aux canaux gauche et droit • L'interrupteur “ Signal Input ” doit se trouver dans la position “ Unbal- anced ” pour utiliser l'entr é e RCA • L'interrupteur “ Left Phase ” doit se trouver dans la position “ 0 ° ” • L'inter[...]

Bitte lesen Sie diese Gebrauchsanleitung zuerst sorgf ä ltig durch. Das kann Sie vor dem falschen Einsatz, Ausfallen oder sogar Besch ä digung des Produktes oder Ihres Fahrzeuges sch ü tzen. Die “ 250 Serie ” Power Verst ä rker repr ä sentiert das Beste, was Rockford Fosgate anzubiete hat! Unsere Ingenieure haben in diesen Verst ä rkern t[...]

Stereo/Mono Betrieb • Chinch Eing ä nge des rechten und linken Kanales anschlie β en • Signal Eingangsschalter auf “ unbalanced ” f ü r den Betrieb mit Chinch-Kabel stellen • Linken Phasen Schalter auf 0 ° stellen • Rechten Phasen Schalter auf 180 ° stellen f ü r den Stereo/Mono Betrieb • Die Lautsprecher-Phase des rechten Kanal[...]

PREGO LEGGERE LE SEGUENTI ISTRUZIONI PER L'INSTALLAZIONE DI QUESTO PRODOTTO, IL NON SEGUIRLE POTREBBE RISULTARE SERIAMENTE DANNOSO PER LA PERSONA O PER IL VEICOLO. La serie 250 Power rappresenta il massimo che Rockford Fosgate ha da offrire! I nostri ingenieri hanno sviluppato delle innovazioni tecnologiche che per altri costruttori sono consi[...]

Stereo/Mono Operation • RCA inputs non sono collegati ad entrambi, i canli destro e sinistro • Interruttore di segnale input selezionato per il non bilanciamento per l'input RCA • Fase sinistra dell'interruttore posizionata su 0 ° . • Fase destra dell'interruttore posizionata su 180 ° per l'operazione stereo/ mono • [...]

Rockford Fosgate Rockford Corporation 546 South Rockford Drive Tempe, Arizona 85281 U.S.A. In U.S.A., (602) 967-3565 In Europe, Fax (49) 4207-801250 In Japan, Fax (81) 559-79-1265 MAN-1529-A 9/96 MADE IN THE USA This product is designed, developed and assembled in the USA by a dedicated group of American workers. The majority of the components used[...]