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Rockford Fosgate 50.2 - page 1
punch competition Power amplifiers Operation & Installation 50. 1 50. 2 ® ® car audio fanatics for ® power power new chrome heatsink ...
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Rockford Fosgate 50.2 - page 2
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 ...
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Rockford Fosgate 50.2 - page 3
T ABLE OF C ONTENTS I ntroduction ................................................................................................................................................................ 1 Punch Accessory Pack .................................................................................................................................... ...
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Rockford Fosgate 50.2 - page 4
– 1 – Rockford Fosgate is distinguished as the global leader in building high performance amplifiers. Since the introduction of the 250m 2 and 250m, new performance standards were set for sound quality and flexibility and have risen to an even higher level with the introduction of the 50.2 and 50.1 “competition” amplifiers. The “50 series ...
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Rockford Fosgate 50.2 - page 5
– 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 50. 2 and 50. 1 Power Amplifiers. In our flagship amplifiers, no expense was spared in design and construction from the unique circuitry desig ...
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Rockford Fosgate 50.2 - page 6
– 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 ...
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Rockford Fosgate 50.2 - page 7
– 4 – Differential inputs only amplify the difference between two conductors. Note: the noise spikes appear on both the center conductor and the outer shield and therefore are not amplified. Center Conductor Outer Shield RCA Input Differential Input Figure 2 ◆ Balanced Line Inputs (50. 2 ) Using the Balanced Line Inputs provides the last word ...
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Rockford Fosgate 50.2 - page 8
50. 2 D ESIGN F EA TURES 1. Cast Aluminum Chrome 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 wirin ...
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Rockford Fosgate 50.2 - page 9
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 ...
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Rockford Fosgate 50.2 - page 10
50. 1 D ESIGN F EA TURES 1. Cast Aluminum Chrome 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 wirin ...
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Rockford Fosgate 50.2 - page 11
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 ...
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Rockford Fosgate 50.2 - page 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 “50 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 sect ...
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Rockford Fosgate 50.2 - page 13
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 ...
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Rockford Fosgate 50.2 - page 14
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? ...
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Rockford Fosgate 50.2 - page 15
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 ...
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Rockford Fosgate 50.2 - page 16
T ABLE OF C ROSSOVER C OMPONENT V ALUES 6dB/Octave Low-Pass 6dB/Octave High-Pass L C L = Low-Pass (Inductor) C = High-Pass (Capacitor) For more information, see your Authorized Rockford Fosgate Dealer. 6dB/Octave High-Pass and Low-Pass Filters a d v a n c e d O p e r a t i o n – 13 – Freq. Hertz Speaker Impedance 80 4.1mH 1000 µ F 8.2mH 500 µ ...
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Rockford Fosgate 50.2 - page 17
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 ...
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Rockford Fosgate 50.2 - page 18
XC ARD R ESISTOR C HART – 15 – 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 ...
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Rockford Fosgate 50.2 - page 19
50. 2 I NST ALLA TION – 16 – *Keep wire as short as possible. 50. 2 Power Connections (Option #1) 50. 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 40 amp fuse. Connect to chassis ground of vehicle* Dual B+ D ...
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Rockford Fosgate 50.2 - page 20
– 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 ...
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Rockford Fosgate 50.2 - page 21
– 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 ...
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Rockford Fosgate 50.2 - page 22
– 19 – U SING THE 50. 2 S IGNAL S WITCHING N ETWORK The Punch 50. 2 Power amplifier has a crossover switching network which enables you to: • “Audiophile Bypass” the 50. 2 and Pass-Thru • Configure a 12dB per octave filter for both 50. 2 and Pass-Thru • “Audiophile Bypass” the 50. 2 and configure a 12dB per octave filter for the P ...
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Rockford Fosgate 50.2 - page 23
– 20 – XCard 1 XCard 2 XCard not required. • 50. 2 bypasses the circuitry of XCard 1 and XCard 2 • Pass-Thru bypasses the circuitry of XCard 1 and XCard 2 • The 50. 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 ...
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Rockford Fosgate 50.2 - page 24
– 21 – • 50. 2 uses output from XCard 1 • Pass-Thru uses output from XCard 2 Configure a 12dB per octave filter for both the 50. 2 and Pass-Thru. I N S T A L L A T I O N ® ® Unbal. Pass Thru Bal. Input 0 ° -180 ° EZ-180 ° -0 ° Bridged Gain Gain Bal. + – + – 20Hz 20kHz 12dB/Octave High-Pass 80Hz 20Hz 20kHz 12dB/Octave High-Pass 80H ...
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Rockford Fosgate 50.2 - page 25
– 22 – XCard 1 XCard 2 LP Pass Thru XCard XCard not required. “Audiophile Bypass” the 50. 2 and configure a 12dB per octave filter for the Pass-Thru. • 50. 2 bypasses the circuitry of XCard 1 • Pass-Thru uses output from XCard 2 • The 50. 2 is in Audiophile Bypass mode which maintains signal integrity resulting in a better sounding am ...
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Rockford Fosgate 50.2 - page 26
– 23 – Configure a 12dB per octave bandpass filter for the 50. 2 and “Audiophile Bypass” the Pass-Thru. Configure a 24dB per octave filter for the 50. 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. • 50. 2 uses output from XCard 1 and XCard 2 • Pass-Thru bypasses XCard ...
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Rockford Fosgate 50.2 - page 27
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 ...
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Rockford Fosgate 50.2 - page 28
– 25 – Level Setting the BLT + – 9.3 VA C BALANCED LINE TRANSMITTER ® ® 1kHz T est T one @ “0dB” L R L R AUD SEL 1 2 3 4 5 6 RDM RPT SCAN PAUSE D.SCN DIM AM FM Ch RPT LD RDM DISC ST P .SCN LOUD DSPL R CLOCK ILLUM PWR AUTO ® ® VOL TUNE • Disconnect Speaker(s) from the 50. 2 • CD Software used to set levels is a test tone of 1kHz at ...
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Rockford Fosgate 50.2 - page 29
1.0 ® the connecting ® ® 1 farad • 20 VDC • 95°C 1.0 cap punch Connect to remote turn-on lead of source unit. Connect to chassis ground of vehicle* REM Dual B+ Dual GND Connect to B+ of battery with a 40 amp fuse. Optional energy storage capacitor Connect to remote turn-on lead of source unit. Connect to chassis ground of vehicle* REM Dual ...
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Rockford Fosgate 50.2 - page 30
– 27 – Mono Operation • Signal Input Switch set to L+R for RCA input • Phase Switch set to 0 ° • Impedance should be 1 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 X-Over 24dB/12dB/0dB L + R / L (Mono) RCA Inputs 0 ° -180 ° –+ RCA Input 1 Ω ...
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Rockford Fosgate 50.2 - page 31
– 28 – • Signal Input Switch (50. 1 #1 / #2) set to L(Mono) for single RCA input ) • Phase Switch (50. 1 #1/2) set to 0 ° • Impedance for each amplifier should be 1 Ω minimum • XCard for each amplifier can be set for High-Pass, Low-Pass or Full Range Stereo Operation using two Punch 50. 1 Power Amplifiers I N S T A L L A T I O N ® ? ...
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Rockford Fosgate 50.2 - page 32
– 29 – • Signal Input Switch (50.1 #1/#2) set to L(Mono) for single RCA input • Phase Switch (50.1 #1) set to 0 ° • Phase Switch (50.1 #2) set to 180 ° • All speaker polarity on right amplifier is inverted to correct for signal phase • Gain (50.1 #1/#2) set equally to balance the subwoofer • Impedance for each stereo channel shoul ...
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Rockford Fosgate 50.2 - page 33
– 30 – Bridged Mono Operation • Signal Input Switch (50. 1 #1/#2) set to L+R for RCA input • Phase Switch (50. 1 #1) set to 0 ° • Phase Switch (50. 1 #2) set to 180 ° • Gain (50. 1 #1/#2) set equally to balance the subwoofer • Impedance for bridged channel should be 2 Ω minimum • XCard (50. 1 #1/#2) set to identically as High-Pa ...
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Rockford Fosgate 50.2 - page 34
U SING THE 50. 1 S IGNAL S WITCHING N ETWORK – 31 – • Xover is set to 0dB • The 50. 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 50. 1 to operate “Audiophile Bypass” the 50. 1 I N S ...
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Rockford Fosgate 50.2 - page 35
– 32 – • Xover is set to 12dB • Pass-Thru has Full Range output only Configure a 12dB per octave filter for the 50. 1 I N S T A L L A T I O N ® ® – + 20Hz 20kHz Full Range +– Power Gain 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 20kHz 12dB/Octave Low-Pas ...
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Rockford Fosgate 50.2 - page 36
– 33 – Configure a 24dB per octave filter for the 50. 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 X-Over 24dB/12dB/0dB L + R / L (Mono) RCA Inputs 0 ° -180 ° Spe ...
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Rockford Fosgate 50.2 - page 37
S YSTEM D IAGRAMS – 34 – 100 W att System (rated @ 4 ohms) Total Power Delivery (RMS) Tweeters 100 Watts Midrange 100 Watts Woofers 200 Watts 50. 2 50. 2 Pass-Thru PWR-14X PWR-54 4 Ω 80Hz HP 80Hz HP 80Hz LP 80Hz LP PWR-14X TX-4183 TX-4183 18dB/octave HP 3kHz-20kHz 18dB/octave HP 3kHz-20kHz 24dB/octave HP 80Hz-20kHz RFR-1410 4 Ω PWR-14X PWR- ...
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Rockford Fosgate 50.2 - page 38
– 35 – Total Power Delivery (RMS) Tweeters 400 Watts Midrange 400 Watts Woofers 200 Watts 150 W att System (rated @ 4 ohms) 50. 2 50. 2 50. 1 PWR-14X 4 Ω PWR-410 4 Ω 4 Ω 4 Ω Front Left Front Right Rear PWR-54 4 Ω PWR-14X PWR-54 4 Ω 80Hz HP 80Hz HP 80Hz HP 80Hz HP PWR-14X TX-4183 TX-4183 PWR-14X 80Hz LP XCard 18dB/octave HP 3kHz-20kH ...
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Rockford Fosgate 50.2 - page 39
– 36 – Total Power Delivery (RMS) Tweeters 400 Watts Midrange 400 Watts Woofers 800 Watts 300 W att System (rated @ 4 ohms) *P/T (Pass-Thru) is used to daisy-chain amplifiers. 50. 2 50. 2 50. 1 50. 1 50. 1 50. 1 PWR-14X RFR-1410 4 Ω 4 Ω Front Left Front Right Rear PWR-54 4 Ω PWR-14X PWR-54 4 Ω 80Hz HP 80Hz HP 80Hz HP 80Hz HP PWR-14X TX- ...
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Rockford Fosgate 50.2 - page 40
– 37 – Total Power Delivery (RMS) Tweeters 400 Watts Midrange 400 Watts Midbass 400 Watts Woofers 800 Watts 500 W att System (rated @ 4 ohms) *P/T (Pass-Thru) is used to daisy-chain amplifiers. 50. 2 50. 2 50. 2 50. 2 50. 2 50. 2 50. 1 50. 1 50. 1 50. 1 PWR-14X 4 Ω PWR-54 4 Ω PWR-64 4 Ω 4 Ω 4 Ω PWR-64 4 Ω 3k HP 3k HP PWR-54 PWR-14X ...
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Rockford Fosgate 50.2 - page 41
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 ...
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Rockford Fosgate 50.2 - page 42
® XCard Crossovers Additional crossover card frequencies are available for specialized requirements. You can get the following XCards from your Authorized Rockford Fosgate Dealer. XM50 = 50Hz XM200 = 200Hz XM70 = 70Hz XM275 = 275Hz XM80 = 80Hz XM400 = 400Hz XM100 = 100Hz XM4.5k = 4,500Hz XM150 = 150Hz XM6.5k = 6,500Hz XM00 = Blank card for custom ...
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Rockford Fosgate 50.2 - page 43
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 amplifier is not between 10.5 and 15.5 volts or there is no voltage present. Amplifier is not properly grou ...
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Rockford Fosgate 50.2 - page 44
– 41 – 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 se- lected or speakers wired out of polarity from the left to right channel. XCards are missing or not placed properly in crossover slots a ...
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Rockford Fosgate 50.2 - page 45
Input gain(s) for amplifier incorrectly set. Source unit output too low. XCards are missing or not placed properly 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 amplifier ...
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Rockford Fosgate 50.2 - page 46
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 ...
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Rockford Fosgate 50.2 - page 47
B. If the deck is quiet, then congratulations, you're on your way to a successful installation. It is now time to slowly , methodi- cally , reinstall the deck back into its final position. T est for noise each step of the way . If the noise returns, suspect the signal cables. Forget shielding because it will have only a very , minimal effect w ...
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Rockford Fosgate 50.2 - page 48
–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 346 W 352 ...
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Rockford Fosgate 50.2 - page 49
Dynamic Power Rating (IHF-202 Standard) - Measured at 14.4V Per channel into a 4 Ω load 50 Watts Per channel into a 2 Ω load 90 Watts Per channel into a 1 Ω load 150 Watts 2-channel bridged into a 2 Ω load 300 Watts Continuous Power Rating (Competition Standard) - Measured at 13.8 Battery Volts RMS continuous power per channel , all channel ...
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Rockford Fosgate 50.2 - page 50
Dynamic Power Rating (IHF-202 Standard) - Measured at 14.4V Mono into a 4 Ω load 100 Watts Mono into a 2 Ω load 200 Watts Mono into a 1 Ω load 325 Watts 2-channel Bridged (using 2 Punch 50. 1 ) into a 2 Ω load 650 Watts Continuous Power Rating (Competition Standard) – Measured at 13.8 Volts RMS continuous power mono , into a 4 Ω load fr ...
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Rockford Fosgate 50.2 - page 51
L IMITED W ARRANTY I NFORMA TION – 48 – 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 ...
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Rockford Fosgate 50.2 - page 52
I NFORMA TION I NTERNA TIONAL – 49 – ...
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Rockford Fosgate 50.2 - page 53
LEA DETENIDAMENTE LAS SIGUIENTES INSTRUCCIONES DE INSTALACIÓN DEL PRODUCTO. EVITARA POSIBLES DAÑOS A VD., AL VEHÍCULO O AL PRODUCTO. Rockford Fosgate se distingue como el lider indiscutible en la construccion de amplificadores de altas prestaciones. Desde la introduccion de los modelos 250m 2 y 500m se han fijado nuevos standards en calidad de s ...
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Rockford Fosgate 50.2 - page 54
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 par a las entradas RCA • El conmutador de fase del canal izquierdo estará en 0 grados • El conmutador de fase del canal derecho estará en 180 grados cuando se requiera oper ...
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Rockford Fosgate 50.2 - page 55
ATTENTION: Veuillez lire les instructions suivants pour l'nstallation de ce produit. Ne pas les suivre pourrait causer des blessures ou endommager le véhicule. Rockford Fosgate se distingue en étant le leader mondial de la fabrication d'amplificateurs de haute puissance. Depuis l'introduction du 250m 2 et du 500m, de nouvelles norm ...
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Rockford Fosgate 50.2 - page 56
Opération stéréo/mono (Tri-mode) • Les entrées RCA sont connectées aux canaux gauche et droit • L'interrupteur “Signal Input” doit se trouver dans la position “Unbalanced” pour utiliser l'entrée RCA • L'interrupteur “Left Phase” doit se trouver dans la position “0 ° ” • L'interrupteur “Right Phas ...
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Rockford Fosgate 50.2 - page 57
Bitte lesen Sie diese Gebrauchsanleitung zuerst sorgfältig durch. Das kann Sie vor dem falschen Einsatz, Ausfallen oder sogar Beschädigung des Produktes oder Ihres Fahrzeuges schützen. Rockford Fosgate ist bekannt als einer der weltweit führenden Hersteller von “high performance” Auto-HiFi Versstärkern. Spätestens seit der Vorstellung der ...
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Rockford Fosgate 50.2 - page 58
Stereo/Mono Betrieb • Chinch Eingänge des rechten und linken Kanales anschlieben • Signal Eingangsschalter auf “unbalanced” für den Betrieb mit Chinch-Kabel stellen • Linken Phasen Schalter auf 0 ° stellen • Rechten Phasen Schalter auf 180 ° stellen für den Stereo/Mono Betrieb • Die Lautsprecher-Phase des rechten Kanales umkehren ...
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Rockford Fosgate 50.2 - page 59
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. Rockford Fosgate é conosciuta per essere il leader indiscusso nella realizzazione di amplificatori ad elevatissime prestazioni. Con l'introduzione dei modelli 250m 2 e del 500 ...
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Rockford Fosgate 50.2 - page 60
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 • T ...
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Rockford Fosgate 50.2 - page 61
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) 4202-9750-50 In Japan, Fax (81) 559-79-1265 MAN-1528-B 10/97 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 us ...
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