Page 3 - PRACTICE SAFE SOUNDTM
Dear Customer, Congratulations on your purchase of the world's finest brand of car audioamplifiers. At Rockford Fosgate we are committed to musical reproduction at itsbest, and we are pleased you chose our product. Through years of engineeringexpertise, hand craftsmanship and critical testing proced...
Page 4 - E T T I N G
T A B L E O F C O N T E N T S Introduction ...................................................................................... 1 Punch 4-Channel Amplifier Accessory Pack ...................................... 1 Rockford Fosgate Accessories ............................................................
Page 6 - Energy Storage Capacitor; custom crossover
R O C K F O R D F O S G A T E A C C E S S O R I E S The following accessories were designed to enhance the perfor-mance of the Punch 400x 4 amplifiers. Energy Storage Capacitor The Punch capacitors are used to provide extra current needed byamplifiers to reproduce musical transients. The Punch Caps ...
Page 7 - TOPAZ; TRANS•ANA; (TRANSconductance Active; The; TRANS•ANA (TRANSconductance Active Nodal Amplifier); nova which is highly stable and linear
T E C H N I C A L D E S I G N F E AT U R E S – 3 – ◆ TOPAZ (Tracking Operation Pre-Amplifier Zone) The TOPAZ (Tracking Operation Pre-Amplifier Zone) circuitry solves ground loop noise problems common to automotiveamplifier design. This innovative new development allows vastlyimproved isolation of th...
Page 8 - DSM; Surface Mount; Figure 1
◆ DSM (Discrete Surface Mount) Technology The DSM (Discrete Surface Mount) manufacturing process com- bines the advantages of both discrete components and integratedcircuitry. Rockford Fosgate is the only American amplifier manu-facturer to have invested millions into this process. DSM compo-nents d...
Page 9 - The Punch and Power amplifiers use an; analog computer process to; MOSFET Devices; power supply and; the; output stages. MOSFET (Metal Oxide Semiconductor Field
◆ RTP (Real Time Protection) NOMAD (NOn-Multiplying Advanced Decision) The Punch and Power amplifiers use an analog computer process to maximize safe output power under all operating conditions. Rock-ford Fosgate pioneered and developed RTP (Real Time Protection), a crucial element in the performanc...
Page 11 - input cables, giving the amplifier a clean “stealth” look.
D E S I G N F E AT U R E S 1. Cast Aluminum Heatsink – The cast aluminum heatsink of the Punch amplifier dissipates heat generated by the amplifier'scircuitry. The inherent advantage of casting provides a 30%improvement of cooling over conventional extrusion heatsinkdesigns. 2. End Caps – Interchang...
Page 12 - channel phase without having to disconnect the speaker wires.; LED Power Indicator – The LED illuminates when the unit is
7. Signal Input Switch – This switch allows selection of 2-channel or 4-channel input. 8. RCA Pass-Thru Jacks – The Pass-Thru provides a convenient source for daisy-chaining an additional amplifier without runningan extra set of RCA cables from the front of the vehicle to the rearamplifier location....
Page 14 - Trunk Mounting; Rockford Fosgate amplifiers should; never be mounted in the engine
M O U N T I N G L O C AT I O N The mounting location and position of your amplifier will have a greateffect on its ability to dissipate the heat generated during normaloperation. The design of our cast aluminum heatsink serves to easilydissipate the heat generated over a wide range of operating cond...
Page 15 - • For safety, disconnect the negative lead from the battery prior to; beginning the installation.
Amplifiers will put an increased load on the vehicle's battery andcharging system. We recommend checking your alternator andbattery condition to ensure that the electrical system has enoughcapacity to handle the increased load of your stereo system. Stockelectrical systems which are in good conditio...
Page 17 - Perform a final check of the completed system wiring to ensure
8. Connect the speakers. Strip the speaker wires 5/8" and insert into the appropriate terminal on the amplifier. Insert the baredwire into the speaker terminal and tighten the set screw tosecure into place. Be sure to maintain proper speaker polarity.DO NOT chassis ground any of the speaker lead...
Page 18 - XC; ARD; FULL; Full Range
U S I N G T H E XC ARD The crossover functions are controlled through the use of anXCard and can be set for high-pass, low-pass or full rangeoperation. Each crossover card has two faces: one face operatesFull Range, the other has arrows to indicate the edge for selectingHP (high-pass) or LP (low-pas...
Page 19 - X C; A R D; Configure a 12dB/octave filter for the Front channels.
X C A R D C O N F I G U R AT I O N S REM B+ GND LED Rear Front XCard Rear 1 X C a r d F r o n t XCard Pass-Thr u LP 20Hz-100Hz 12dB/octave LP Full Range XCard Rear 2 – L + + L – + R – – R + – L + REM B+ GND LED + L – + R – Rear Front Front XCard X C a r d R e a r 1 X C a r d R e a r 2 X C a r d P a ...
Page 20 - Configure a 24dB/octave filter for the Rear channels.; Configure a 12dB/octave Bandpass filter for the Rear channels.
– 16 – Configure a 24dB/octave filter for the Rear channels. • Rear XCards 1 & 2 set identically to High-Pass or Low-Pass REM B+ GND LED Rear Front XCard Rear 1 X C a r d F r o n t XCard Pass-Thr u LP 20Hz-100Hz 24dB/octave LP LP XCard Rear 2 – L + + L – + R – – R + Configure a 12dB/octave Bandp...
Page 21 - Configure a 12dB/octave filter for the Pass-Thru
LP XCard Pass-Thru Front Gain Rear Gain 0/180 4/2 20Hz-100Hz 12dB/octave LP X C a r d F r o n t X C a r d R e a r 1 X C a r d R e a r 2 – 17 – Configure a 12dB/octave filter for the Pass-Thru • Pass-Thru XCard set to High-Pass or Low-Pass
Page 24 - Power Connections
B A S I C C O N N E C T I O N S Power Connections – 20 – Connect to remote turn-on lead of source unit Connect to B+ of battery with a 50 amp fuse Connect to chassis ground of vehicle* Less than 18" GND B+ LED + L – + R – – L + – R + *Keep grounds as short as possible.
Page 25 - -Channel Stereo Operation
– 21 – 2-Channel Stereo Operation Front Gain Rear Gain 0/180 4/2 INPUT REM B+ GND LED Rear Front Pass-Thru Front Rear 4 ohm min. left 4 ohm min. right + – + – – L + + L – + R – – R + • RCAs are connected to front inputs• Signal Input Switch set to 2-channel input• Phase Switch set to 0 ° • Gain for ...
Page 26 - -Channel Mono Operation
2-Channel Mono Operation – 22 – Front Gain Rear Gain 0/180 4/2 INPUT REM B+ GND LED Rear Front Pass-Thru Front Rear 4 ohm min. 4 ohm min. + – + – – L + + L – + R – – R + • RCAs are connected to front inputs• Signal Input Switch set to 2-channel input• Phase Switch set to 0 ° • Gain for front left an...
Page 27 - *Adjust the phase switch to 180; if XCard for front channel is set to HP; • Impedance for rear bridged channel should be no less than 4; or Full Range
3-Channel Operation – 23 – Front Gain Rear Gain 0/180 4/2 – L + REM B+ GND LED + L – Rear Front Pass-Thru Front Rear 4 ohm min. 2 ohm min. + – + – 4-Ch. { 2-Ch. { INPUT + – 2 ohm min. + R – – R + *Adjust the phase switch to 180 ° if XCard for front channel is set to HP and XCard for rear channel is ...
Page 28 - -Channel Stereo Operation; * Adjust the phase switch to 180
4-Channel Stereo Operation – 24 – 2 ohm min. + – + – 2 ohm min. Front Gain Rear Gain 0/180 4/2 – L + REM B+ GND LED + L – Rear Front Pass-Thru Front Rear 2 ohm min. + – 4-Ch. { 2-Ch. { INPUT + – 2 ohm min. + R – – R + • RCAs are connected to front or front and rear inputs• Signal Input Switch is set...
Page 29 - no less than 2; • Impedance for front bridged channels should be no less than 4
4-Channel Stereo/Single Mono Operation – 25 – 2 ohm min. + – + – 2 ohm min. Front Gain Rear Gain 0/180 4/2 – L + REM B+ GND LED + L – Rear Front Pass-Thru Front Rear 2 ohm min. + – 4-Ch. { 2-Ch. { INPUT + – 2 ohm min. + R – – R + 4 ohm min. + – • RCAs are connected to front or front and rear inputs•...
Page 30 - • Impedance for front and rear bridged channels should be; no less than 4
4-Channel Stereo/Dual Mono Operation – 26 – 2 ohm min. + – + – 2 ohm min. Front Gain Rear Gain 0/180 4/2 – L + REM B+ GND LED + L – Rear Front Pass-Thru Front Rear 2 ohm min. + – 4-Ch. { 2-Ch. { INPUT + – 2 ohm min. + R – – R + 4 ohm min. + – + – 4 ohm min. • RCAs are connected to front or front and...
Page 35 - R O U B L E S H O O T I N G; Symptom; Speakers are defective.
T R O U B L E S H O O T I N G Amplifier does notturn on(Power LED is off) Symptom Diagnosis Remedy Voltage applied to theREM terminal of theamplifier is not between10.5 and 15.5 volts ort h e r e i s n o v o l t a g epresent. Voltage to the B+ termi-nal of the amplifier isnot between 10.5 and15.5 vo...
Page 37 - Engine Noise; • If noise persists, see your Authorized Rockford Fosgate Dealer.
Noise is radiating intoRCA signal cable. Bad component in the sig-nal chain. Noise is radiating intospeaker cables. Multiple grounds in theaudio system. Ground loop betweensource unit and antenna. Engine Noise Symptom Diagnosis Remedy Check connections, run theRCA cables on a differentroute away fro...
Page 38 - not usable. Many manufacturers represent their
D Y N A M I C P O W E R M E A S U R E M E N T S About the Dynamic Power MeasurementsThe Audio Graph PowerCube is a test instrument used to measure theoutput of an amplifier in accordance with IHF-202 industry stan-dards. The IHF-202 standard is a dynamic power measurement andwas developed as a means...
Page 39 - AudioGraph – The PowerCubeTM; • Example of a 200ix PowerCube
Information CubedThe data acquired in the testing procedure is then graphed in the formof a 3-dimensional cube. Hence the name PowerCube. The Phase Angle is expressed on the horizontal axis, the Output Voltage is presented on the vertical axis and the Impedance isdisplayed on the Z axis. Output Powe...
Page 40 - P E C I F I C A T I O N S
400 X 4 S P E C I F I C A T I O N S Continuous Power Rating (Competition Standard) – Measured at 13.8VRMS continuous power per channel, all channels 50 Watts driven into a 4 Ω load from 20-20,000Hz with less than 0.05% Total Harmonic Distortion (THD) RMS continuous power per channel, all channels 10...
Page 42 - OTES
Page 44 - Rockford Fosgate
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 6/95MAN-0993-A
