Page 2 - everything from T-shirts and jackets to hats and sunglasses.; your amplifier if it is ever stolen.; PRACTICE SAFE SOUNDTM
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 p...
Page 3 - E T T I N G; Installation; ADVANCED
T A B L E O F C O N T E N T S Introduction .............................................................................................................................................................. 1Punch Accessory Pack ...............................................................................
Page 4 - is a single channel amplifier optimized to drive a 2
– 1 – P U N C H A M P L I F I E R A C C E S S O R Y P A C K The accessory pack shipped with the “250 series” Power amplifiers include the mounting hardware necessaryto secure it to the vehicle as well as attaching the end caps. Punch Power 250.2 Punch Power 250.1 Installation & Operation Manual ...
Page 5 - Power Amplifiers. In our flagship; trans•; (TRANSconductance NOdal Voltage Amplifier); The trans•; allows the audio signal to pass through the amplifier at; low voltage. Each amplifier channel utilizes its own “fully; trans•nova circuitry; DIABLO; THE RESULT: Lower distortion and greater inherent stability.; TOPAZ; The
– 2 – T E C H N I C A L D E S I G N F E AT U R E S Many of the solutions to common design problems encountered by Rockford Fosgate engineers created entirenew 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 spa...
Page 6 - DSM; Figure 1; XCard
– 3 – ◆ DSM (Discrete Surface Mount Technology) The DSM (Discrete Surface Mount) manufacturing process combines the advantages of both discrete components and integrated circuitry. Rockford Fosgate is the only American amplifier manufacturer to have invested millionsinto this process. DSM components...
Page 7 - Figure 2; with the; THE RESULT: Quiet transmission of audio from source to amplifier.; NOMAD; The Power amplifiers use an; NOMAD (NOn-Multiplying Advanced Decision) system is the most; MOSFET Devices; (Metal Oxide Semiconductor Field Effect Transistor); ITS
– 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 ...
Page 8 - Power amplifier to provide better noise rejection.
250. 2 D E S I G N F E A T U R E S 1. Cast Aluminum Heatsink – The cast aluminum heatsink of the Punch Power amplifier dissipates heatgenerated by the amplifier's circuitry. The inherent advantage of casting provides a 30% improvement ofcooling over conventional extrusion heatsink designs. 2. End Ca...
Page 9 - Phase Switch – This dual purpose switch enables you to E-Z bridge the; amplifier or invert the signal phase of the right channel.
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 operatingfrequencies....
Page 11 - LED Power Indicator – The LED illuminates when the unit is turned on.
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 rangeoperation. 11. Phase Switch – This switch enables you to easily invert the phase withou...
Page 12 - Tools Needed
– 9 – I N S TA L L AT I O N C O N S I D E R AT I O N S Tools 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 ha...
Page 13 - Trunk Mounting; Rockford Fosgate amplifiers should; AT T E R Y
M O U N T I N G L O C AT I O N S The mounting location and position of your amplifier will have a great effect on its ability to dissipate the heatgenerated under normal operation. The design of our cast aluminum heatsink serves to easily dissipate the heatgenerated over a wide range of operating co...
Page 14 - angle. Insert the bared wire into
W I R I N G T H E S Y S T E M CAUTION: Avoid running power wires near the low level input cables, antenna, power leads, sensitiveequipment or harnesses. The power wires carry substantial current and could induce noise into the audio system. 1. Configure the internal XCard crossovers prior to install...
Page 15 - Amplifiers using the trans•
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 theamplifier and speaker. The crossover delegates a specific range of frequencies to the speaker for optimum driverperformance. A crossover network can perform one of...
Page 16 - Speaker Impedance
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 1.2...
Page 17 - fo; f cap; Crossover Card; foc; FULL
U S I N G T H E X C A R D The crossover functions are controlled through the use of an XCard and can be set for high-pass, low-pass or fullrange 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 arrow...
Page 18 - X C; A R D; Frequency; F capacitors; F capacitors; Our tests have shown that using 0.047
– 15 – X C A R D R E S I S T O R C H A R T 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...
Page 19 - N S TA L L AT I O N
250. 2 I N S TA L L AT I O N – 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 NSTALLAT I ON ® ® REM Power Connect to remote turn-on lead of source unit. Connect to B+ of battery with a 60 amp fuse. Co...
Page 20 - • Right Phase Switch set to; Stereo/Mono Operation
– 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• Gai...
Page 21 - Bridged Operation
– 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 chann...
Page 23 - bypasses the circuitry of XCard 1 and XCard 2; “Audiophile Bypass” as it affects the output of the 250.
– 20– X C a r d 1 X C a r d 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 X...
Page 24 - uses output from XCard 1; • Pass-Thru uses output from XCard 2; Configure a 12dB per octave filter for both the 250.
– 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 NS TALLAT I ON ® ® X C a r d 1 X C a r d 2 250. 2 XCard Pass Thru XCard HP LP Unbal. Pass Thru Bal. Input 0 ° -180 ° E Z - 1 8 0 ° - 0 ° Bridged Gain ...
Page 25 - “Audiophile Bypass” the 250.
– 22 – X C a r d 1 X C a r d 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 sign...
Page 26 - Both; uses output from XCard 1 and XCard 2
– 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 NSTALLAT I ON ® ® *Note: Both XCard inserted as HP or LP. • 250. 2 uses output from XCard 1 and XCard ...
Page 27 - • Signal Input Switch to; Balanced for Balance Line Input; • Gain for Left and Right channels set to; minimum; Connecting the BLT
The Balanced Line Inputs can be utilized with the optional Balanced Line Transmitter. Unlike standard RCAcables that use two wires to carry the audio signal and ground, balanced lines use three. In a balanced line, theoutput signal and its inverted replica travel down a pair of wires where the groun...
Page 28 - Level Setting the BLT; Gain Overlap
– 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”• 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 • A...
Page 29 - NSTALLATION
250. 1 I NSTALLATION – 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 NSTALLAT I ON ® ® Connect to r...
Page 30 - Mono Operation; • Signal Input Switch set to; • XCard can be set for
– 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 NSTALLAT I ON ® ® R Pass Thru L Pass Thru Power Gain Punch Status Display X-Over 24dB/12dB/0dB L + R / L (Mono) ...
Page 31 - Impedance; Stereo Operation using two Punch 250.
– 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 A...
Page 33 - Bridged Mono Operation
– 30 – Bridged Mono Operation I NSTALLAT I ON ® ® 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 Terminal R Pass Thru L Pass Thru R Pass Thru L Pass Thru Power Gain Punch Statu...
Page 34 - • Xover is set to; better sounding amplifier; • The XCard does not need to be inserted to allow the 250.; to operate
U S I N G T H E 250. 1 S IGNAL S W I T C H I N G N E T W O R K – 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...
Page 35 - Full Range output only; Configure a 12dB per octave filter for the 250.
– 32 – • Xover is set to 12dB • Pass-Thru has Full Range output only Configure a 12dB per octave filter for the 250. 1 I NSTALLAT I ON ® ® – + 20Hz 20kHz Full Range + – Power Gain Punch Status Display X-Over 24dB/12dB/0dB L + R / L (Mono) RCA Inputs 0 ° -180 ° Speaker – + R P a s s T h r u L Pass Th...
Page 36 - Configure a 24dB per octave filter for the 250.
– 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 NSTALLAT I ON ® ® – + 20Hz 20kHz Full Range + – Power Gain Punch Status Display X-Over 24dB/12dB...
Page 37 - Tweeters
S Y S T E M D I A G R A M S – 34 – 250 Watt 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-...
Page 41 - NOISE
R OCKFORD F OSGATE A CCESSORIES ® Balanced Line Transmitter (FG-BLT) The Balanced Line Transmitter converts signal RCA cables from the source unit to balanced signals. TheBLT improves sound quality in the system by eliminating noises generated by vehicle electrical systems.The BLT is available for R...
Page 43 - XCard Crossovers; Energy Storage Capacitors; • Recommended capacitance is 1 farad per 1000 watts; custom crossover
® XCard Crossovers Additional crossover card frequencies are available for specialized requirements. You can get thefollowing XCards from your Authorized Rockford Fosgate Dealer. Crossover Card High PassLow PassFull Range R1 R2 R1 R2 FULL Energy Storage Capacitors Energy Storage Capacitors are used ...
Page 44 - R O U B L E S H O O T I N G; Amplifier is not properly grounded.
Symptom Diagnosis Remedy T R O U B L E S H O O T I N G Amplifier does not turn on.(Power LED is off) Voltage applied to the REM terminal ofthe amplifier is not between 10.5 and15.5 volts or there is no voltage present. Voltage to the B+ terminal of the ampli-fier is not between 10.5 and 15.5 voltsor...
Page 45 - Readjust input gains of amplifier.
– 42 – Symptom Diagnosis Remedy Speaker Output Lowor Distorted Input gain(s) for amplifier incorrectlyset. Source unit output too low or sourceunit has no output. Phase selection of amplifier incorrectlyselected or speakers wired out of polar-ity from the left to right channel. XCards are missing or...
Page 46 - Symptom
Input gain(s) for amplifier incorrectlyset. Source unit output too low. XCards are missing or not placed prop-erly in crossover slots and/or switchesare not properly selected. Low battery voltage or large voltagedrops to the amplifier under load. RCA cable or amplifier connected toPass-Thru output i...
Page 47 - UTOSOUND; power supplies, or changing out components, or; Autosound 2000 1-2-3 Method of Logical Troubleshooting; pick up unwanted noise! Continue on to Step II.
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, noiseshould not be a problem. This means that it is very important that the signal level throughout the s...
Page 49 - Y N A M I C
–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 W84 W84 W84 W86 W 162 W157 W156 W157 W162 W273 W258 W251 W256 W271 W390 W356 W346 W352 W390 W Audio Graph – The...
Page 50 - P E C I F I C A T I O N S
– 47 – 250. 2 S P E C I F I C A T I O N S Dynamic Power Rating (IHF-202 Standard) - Measured at 14.4VPer 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 VoltsRMS contin...
Page 54 - NTRODUCCIÓN; Maletero; SP
LEA DETENIDAMENTE LAS SIGUIENTES INSTRUCCIONES DE INSTALACIÓN DEL PRODUCTO. EVITARAPOSIBLES DAÑOS A VD., AL VEHÍCULO O AL PRODUCTO. Los amplificadores de “la serie 250” representan lo ultimo y mejor que Rockford Fosgate puede ofrecerle. Muchassoluciones que nuestros ingenieros han inventado serian c...
Page 55 - Operación mono/estéreo
Operación mono/estéreo • Los conectores de entrada RCA se conectan a ambos canales derecho e izquierdo • El conmutador de señal de entrada se colocara en Unbalanced para las entradas RCA • El conmutador de fase del canal izquierdo estará en 0 grados • El conmutador de fase del canal derecho estará e...
Page 56 - est un amplificateur à deux canaux optimisé pour des charges de 2; stéréo et de 4; est un amplificateur mono optimisé pour une charge de 2; pontés; NTRODUCTION; Montage dans le coffre; ONTAGE
ATTENTION: Veuillez lire les instructions suivants pour l'nstallation de ce produit. Ne pas les suivre pourrait causerdes blessures ou endommager le véhicule. La série d'amplificateurs Power 250 est la vitrine technologique de Rockford Fosgate. Nos ingénieurs utilisent icides technologies considérée...
Page 58 - INLEITUNG; Im Fahrzeugkofferraum; Der vertikale Einbau der Endstufen, das bedeutet, da; Auf der Beifahrerseite; stelle des Erdungskabels,; REM Anschluss; INBAUORT
Bitte lesen Sie diese Gebrauchsanleitung zuerst sorgfältig durch. Das kann Sie vor dem falschen Einsatz, Ausfallen odersogar Beschädigung des Produktes oder Ihres Fahrzeuges schützen. Die “250 Serie” Power Verstärker repräsentiert das Beste, was Rockford Fosgate anzubiete hat! Unsere Ingenieurehaben...
Page 60 - NTRODUZIONE; Nel Bagagliaio; OVE
PREGO LEGGERE LE SEGUENTI ISTRUZIONI PER L'INSTALLAZIONE DI QUESTO PRODOTTO, IL NON SEGUIRLEPOTREBBE 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 sviluppatodelle innovazioni tecnol...
Page 62 - Rockford Fosgate; MADE IN THE USA
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-A9/96 MADE IN THE USA This product is designed, developed and assembled in the USA by a dedicated group of Amer...
