User manual PYRAMID PB-738GX

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Manual abstract: user guide PYRAMID PB-738GX

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[. . . ] Ground (10. 5-16V) 2-4 Ohms 4-8 Ohms 10A 5 274 x 61 x 235 10. 8 x 2. 4 x 9. 25 features and controls 2 ch amp PB-738GX · PB-1238GX power LED protection LED Remote Bass Boost high pass frequency control low pass frequency control bass boost level crossover mode selector 2 CHANNEL MOSFET AMPLIFIER REMOTE BASS BOOST HPF PROTECT POWER L LPF BASS BOOST LEVEL FREQ. HI IN R L R 80 Hz 2. 5k 35 Hz 400 0 +18db +--+ HPF LPF FULL MIN MAX LOW IN high level inputs low level inputs input level control 6 L R FUSE REM GROUND +12V BATT + - + - speaker connections + BRIDGED power terminals - power fuse features and specifications 2 ch amp PB-738GX · PB-1838GX PB-738GX crossover mode selectors when used with normal, full range systems, set these switches to "FULL. " If you wish to use the internal crossovers to power a driver of specific frequency range, use the "LOWPASS" or "HIGHPASS" settings. use these controls to match the outputs of your head unit to the amplifier. Starting with your head unit set at about the 2 o'clock position, increase the amp level controls until distortion begins to occur, and reduce slightly from this point. [. . . ] If using high level inputs, do not use the low level RCA inputs at the same time! +- - + +- - + CH4 CH3 HI IN LEVEL POWER LEVEL CH2 CH1 HI IN 15 4 CH harness wiring for common ground connections CH 3/4 CH 1/2 REAR ORANGE BLACK BLACK L R L R FRONT ORANGE BLACK BLACK ORANGE from speaker terminals ORANGE Stereo input connections 4 ch amp PB-638GX · PB-1038GX 4 CH Stereo input connections using CH 4 low level inputs LPF HPF HPF LPF BASS BOOST FREQ. LEVEL CH 2 LEVEL FREQ. BASS BOOST +- - + CH4 CH3 +- - + CH 3 MIN MAX HPF LPF FULL 0 +18db 35 Hz 400 80 Hz 2. 5k 80 Hz 2. 5k 35 Hz 400 0 HI IN HPF LPF MIN +18db FULL CH2 CH1 MAX CH 1 HI IN CHANNEL 3/4 LOW IN REMOTE BASS BOOST(CH3/4) PROTECT POWER CHANNEL 1/2 LOW IN 4 CHANNEL MOSFET AMPLIFIER L/R FRONT Audio Outputs L/R REAR Audio Outputs head unit 16 2 CH Stereo input connections using CH 4 low level inputs LPF HPF HPF LPF BASS BOOST FREQ. LEVEL CH 2 LEVEL FREQ. BASS BOOST +- - + CH4 CH3 +- - + CH 3 MIN MAX HPF LPF FULL 0 +18db 35 Hz 400 80 Hz 2. 5k 80 Hz 2. 5k 35 Hz 400 0 HI IN HPF LPF MIN +18db FULL CH2 CH1 MAX CH 1 HI IN CHANNEL 3/4 LOW IN REMOTE BASS BOOST(CH3/4) PROTECT POWER CHANNEL 1/2 LOW IN 4 CHANNEL MOSFET AMPLIFIER R Y adaptors L high level Stereo input connections 4 ch amp PB-638GX · PB-1038GX 4 CH floating ground connections CH 4 LEVEL FREQ. BASS BOOST LPF HPF HPF LPF BASS BOOST FREQ. LEVEL CH 2 +- - + CH4 CH3 +- - + CH 3 MIN MAX HPF LPF FULL 0 +18db 35 Hz 400 80 Hz 2. 5k 80 Hz 2. 5k 35 Hz 400 0 HI IN HPF LPF MIN +18db FULL CH2 CH1 MAX CH 1 HI IN CHANNEL 3/4 LOW IN REMOTE BASS BOOST(CH3/4) PROTECT POWER CHANNEL 1/2 LOW IN 4 CHANNEL MOSFET AMPLIFIER 17 4 CH harness wiring for common ground connections CH 3/4 REAR ORANGE BLACK BLACK CH 1/2 L R L R FRONT ORANGE BLACK BLACK REAR ORANGE BLACK BLACK L R L R FRONT ORANGE BLACK BLACK ORANGE from speaker terminals ORANGE PLEASE NOTE!If using high level inputs, do not use the low level RCA inputs at the same time! ORANGE from speaker terminals ORANGE mono input connections 4 ch amp PB-638GX · PB-1038GX 4 CH mono input connections using CH 4 low level inputs LPF HPF HPF LPF BASS BOOST FREQ. LEVEL CH 2 LEVEL FREQ. BASS BOOST +- - + CH4 CH3 +- - + CH 3 MIN MAX HPF LPF FULL 0 +18db 35 Hz 400 80 Hz 2. 5k 80 Hz 2. 5k 35 Hz 400 0 +18db HI IN HPF LPF MIN FULL CH2 CH1 MAX CH 1 HI IN CHANNEL 3/4 LOW IN REMOTE BASS BOOST(CH3/4) PROTECT POWER CHANNEL 1/2 LOW IN 4 CHANNEL MOSFET AMPLIFIER head unit LEFT FRONT Audio Outputs RIGHT FRONT Audio Outputs RIGHT REAR Audio Outputs LEFT REAR Audio Outputs 18 2 CH mono input connections using CH 4 low level inputs LPF HPF HPF LPF BASS BOOST FREQ. LEVEL CH 2 LEVEL FREQ. BASS BOOST +- - + CH4 CH3 +- - + CH 3 MIN MAX HPF LPF FULL 0 +18db 35 Hz 400 80 Hz 2. 5k 80 Hz 2. 5k 35 Hz 400 0 HI IN HPF LPF MIN +18db FULL CH2 CH1 MAX CH 1 HI IN CHANNEL 3/4 LOW IN REMOTE BASS BOOST(CH3/4) PROTECT POWER CHANNEL 1/2 LOW IN 4 CHANNEL MOSFET AMPLIFIER L Y adaptors R high level mono input connections 4 ch amp PB-638GX · PB-1038GX 4 CH Common ground connections CH 4 LEVEL FREQ. BASS BOOST LPF HPF HPF LPF BASS BOOST FREQ. LEVEL CH 2 +- - + CH4 CH3 +- - + CH 3 MIN MAX HPF LPF FULL 0 +18db 35 Hz 400 80 Hz 2. 5k 80 Hz 2. 5k 35 Hz 400 0 HI IN HPF LPF MIN +18db FULL CH2 CH1 MAX CH 1 HI IN CHANNEL 3/4 LOW IN REMOTE BASS BOOST(CH3/4) PROTECT POWER CHANNEL 1/2 LOW IN 4 CHANNEL MOSFET AMPLIFIER 4 CH harness wiring for common ground connections CH 3/4 19 CH 1/2 R ORANGE BLACK BLACK L ORANGE BLACK BLACK R ORANGE BLACK BLACK L ORANGE BLACK BLACK ORANGE from speaker terminals ORANGE PLEASE NOTE!If using high level inputs, do not use the low level RCA inputs at the same time! ORANGE from speaker terminals ORANGE speaker connections Stereo Output Mode L R FUSE REM GROUND +12V BATT 2 ch amp · PB-738GX · PB-1838GX + - + - + BRIDGED - 20 LEFT speaker RIGHT speaker L R FUSE REM GROUND +12V BATT + - + - + BRIDGED - speaker MINIMUM SPEAKER IMPEDANCE 4 OHMS! 4 ch amp PB-238GX · PB-638GX · PB-1038GX 4 CH Output Mode CH1 CH2 CH3 CH4 FUSE REM GROUND +12V BATT speaker connections + + - + - + - + BRIDGED - + BRIDGED - L FRONT speakers R L R REAR speakers 21 Bridged Dual Mono Output Mode (PB-238GX WITHOUT) FUSE REM GROUND +12V BATT CH1 CH2 CH3 CH4 + - + - + - + - + BRIDGED - + BRIDGED - MINIMUM SPEAKER IMPEDANCE 4 OHMS! speakers L R speaker connections 4 ch amp PB-638GX · PB-1038GX 2 CH Bridged Output Mode with Subwoofer Output CH1 CH2 CH3 CH4 FUSE REM GROUND +12V BATT + - + - + - + - 22 + BRIDGED - + BRIDGED - R L SUBWOOFER SPEAKERS MINIMUM SPEAKER IMPEDANCE 4 OHMS! mounting and installation mounting Your new Pyramid Royal Blue Series amplifier comes complete with all required mounting hardware. When determining a suitable location in your vehicle for the amp, please remember that it is a high-power electronic device capable of generating high heat. For this reason, always choose a location in your vehicle which has low vibration, adequate ventilation, a minimum of dust, and no moisture. Be sure to mount the amp in such a manner as to allow reasonable airflow over the cooling fins. Mark the location for the mounting screw holes by positioning the amp where you wish to install it and use a scribe (or one of the mounting screws) inserted in each of the mounting holes to mark the mounting surface. If the mounting surface is carpeted, measure the hole centers and mark with a felt tip pen. Before attempting to drill the mounting holes, take note of any wires, lines or other devices in your vehicle which may be located behind the mounting surface!Then drill pilot holes in the mounting surface for the mounting screws and insert them. Tighten the screws securely. wiring tips 23 When making electrical connections to your amplifier, please observe the following: Use at least 8 gauge wire for power and ground connections. Wire the amplifier directly to the car battery. For the ground connection, use the shortest possible wire to a good chassis ground point. Wire the Remote connection to the auto start lead of your head unit, equalizer or power antenna. fuses About power fuses: Pyramid Royal Blue Series amplifiers feature built-in fuse systems. These fuses protect both the amplifier and the electrical system in your vehicle from fault conditions. If you ever need to replace the fuse in your Pyramid Royal Blue Series amp, use a fuse of exactly the same type and rating. [. . . ] Using a fuse of a different type or rating may result in damage that isn't covered in the manufacturer's warranty. 4 ohm 4 ohm notes STOP 4 ohm 4 ohm 2 -c hannel A m p l i f i e r (Operating in Stereo) 2 -c hannel A m p l i f i e r (Operating in Bridged Mono) YES! 4 ohm NO! 4 ohm Two 4-ohm speakers, wired in stereo, will present a 4-ohm load to each channel of the amplifier. Most twochannel amplifiers will work well in this configuration. sound around, Inc. 1600 63rd street. ny 11204 Two 4-ohm speakers, wired in parallel to a bridged two-channel amplifier. will present a 2-ohm mono load to the amplifier. [. . . ]

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