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 160x 4 and 240x 4 amplifiers. Energy Storage Capacitor The Punch capacitors are used to provide extra current needed byamplifiers to reproduce musical transients. The ...
Page 7 - TRANS•ANA; (TRANSconductance Active; TRANS•ANA (TRANSconductance Active Nodal Amplifier); nova which is highly stable and linear; TOPAZ; The
T E C H N I C A L D E S I G N F E AT U R E S – 3 – ◆ TRANS•ANA (TRANSconductance Active Nodal Amplifier) The TRANS•ANA (TRANSconductance Active Nodal Amplifier) is a circuit that allows the audio signal to pass through theamplifier at low voltage. The signal is directly level-shifted to the fixed hi...
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
◆ 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 10 - Cast Aluminum Heatsink – The cast aluminum heatsink of the; input cables, giving the amplifier a clean “stealth” look.; Speaker Terminals – The heavy duty, gold-plated terminal block
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 13 - 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 17 - 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 - Power Connections
B A S I C C O N N E C T I O N S *Keep grounds as short as possible. Power Connections REM Power Connect to remote turn-on lead of source unit Connect to B+ of battery with proper fuse Connect to chassis ground of vehicle* B+ GND Less than 18" P160x4 P240x4 - 30A - 50A – 15 –
Page 20 - Stereo Operation; channels; • Impedance for left bridged channel should be no less than 4
Stereo Operation + L – + R – Input 2-Ch. { + – + – R e a r X C a r d F r o n t X C a r d 4 ohm 4 ohm *Note: XCard can be inserted in HP, LP, or Full Range Rear XCard* Front XCard* LP LP 2-Channel Input – R + – L+ • RCAs are connected to front inputs• Signal Input Switch set to 2-channel input• Gain ...
Page 21 - Mono Operation; • Impedance for rear bridged channel should be no less than 4
Mono Operation + L– + R– Input 2-Ch. { + – + – R e a r X C a r d F r o n t X C a r d 4 ohm 4 ohm *Note: XCard can be inserted in HP, LP, or Full Range Rear XCard* Front XCard* LP LP 2-Channel Input – L+ – R+ – 17 – • RCAs are connected to front inputs• Signal Input Switch set to 2-channel input• Gai...
Page 23 - -Channel Stereo Operation
4-Channel Stereo Operation + – 2 ohm + – 2 ohm + L– 2-Ch. { + – R e a r X C a r d F r o n t X C a r d 2 ohm *Note: XCard can be inserted in HP, LP, or Full Range Rear XCard* Front XCard* HP HP 2-Channel Input R e a r X C a r d F r o n t X C a r d *Note: XCard can be inserted in HP, LP, or Full Range...
Page 24 - -Channel Stereo/Single Bridged Operation
4-Channel Stereo/Single Bridged Operation • RCAs are connected to front or front and rear inputs• Signal Input Switch is set to 2-channel or 4-channel input• Gain for front and rear operates independently• Impedance for front and rear stereo channel should be no less than 2 Ω • Impedance for rear br...
Page 25 - • Impedance for front and rear bridged channels should be no less
– + 2 ohm – + 2 ohm + L– 2-Ch. { + – R e a r X C a r d F r o n t X C a r d 2 ohm *Note: XCard can be inserted in HP, LP, or Full Range Rear XCard* Front XCard* FULL FULL 2-Channel Input R e a r X C a r d F r o n t X C a r d *Note: XCard can be inserted in HP, LP, or Full Range Rear XCard* Front XCar...
Page 30 - 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 32 - 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 33 - 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 34 - 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 35 - P E C I F I C A T I O N S
160 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 20 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 40...
Page 38 - OTES
Page 40 - 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-0989-B