USER'S MANUAL
www.pyramidcaraudio.com
PB-1838GX PB-738GX
PB-238GX
PB-638GX
PB-1038GX
Page 1: ...USER S MANUAL www pyramidcaraudio com PB 1838GX PB 738GX PB 238GX PB 638GX PB 1038GX...
Page 2: ...into a totally new series of amps designed from the ground up to deliver the power performance and flexibility the modern car audio enthusiast demands When you check the list of features offered by t...
Page 3: ...8 20 21 22 19 speaker connections PB 738GX PB 1838GX high level mono input connections PB 638GX PB 1038GX mono input connections PB 638GX PB 1038GX high level input connections PB 638GX PB 1038GX elec...
Page 4: ...1 Bridged Output Variable Hi Lo Electronic Crossover Network Variable Bass Boost 0 18 dB 60Hz Variable Input Level Gain Control Remote Turn On Off Gold Plated RCA Inputs High Level MOLEX Inputs Power...
Page 5: ...High Performance 3000 Watt 2 Channel Bridgeable MOSFET Amplifier general features 1000 Watts x 4 Output 2000 Watts x 2 Bridged Output 1000Wx2 2000Wx1 Dual Variable Hi Lo Electronic Crossover Network...
Page 6: ...GX high level inputs input level control low level inputs high level inputs input level control low level inputs power LED POWER LOW IN HI IN CH2 CH1 MIN MAX LEVEL CH 2 CH 1 LOW IN CH 4 CH 3 MIN MAX L...
Page 7: ...illuminated when power is applied the fuse protects the amplifier and your car s electrical system from short circuit conditions use these connectors to deliver power ground and remote turn on control...
Page 8: ...h level inputs input level control low level inputs speaker connections power terminals power fuse features and controls 2 ch amp PB 738GX PB 1238GX LEVEL REMOTE BASS BOOST POWER PROTECT 18db 0 BASS B...
Page 9: ...io program sent to the speakers when the one or both of crossover selector switch is in high pass mode one can set the lower frequency limit for audio program sent to the speakers this control permits...
Page 10: ...trol ch 1 2 bass boost level control ch 1 2 low pass frequency control ch 1 2 high pass frequency control ch 1 2 crossover mode selector switch features and controls 4 ch amp PB 638GX PB 1038GX 4 CHAN...
Page 11: ...t set at about the 2 o clock position increase the amp level controls until distortion begins to occur and reduce slightly from this point when one or both of the crossover selector switches is in low...
Page 12: ...10 to remote turn on 12V head unit 12V battery electrical connections 2 ch amp PB 738GX PB 1838GX GROUND FUSE BRIDGED L R 12V BATT REM...
Page 13: ...it 12V battery to remote turn on 12V head unit 12V battery electrical connections 4 ch amp PB 238GX PB 638GX PB 1038GX BRIDGED CH3 CH4 GROUND 12V BATT REM BRIDGED FUSE CH1 CH2 BRIDGED CH3 CH4 GROUND 1...
Page 14: ...rminals L L R R head unit stereo input connections 2 ch amp PB 738GX PB 1838GX LEVEL REMOTE BASS BOOST POWER PROTECT 18db 0 BASS BOOST 35 400 Hz LPF HPF 80 2 5k Hz FREQ FULL HPF LPF L R HI IN R L LOW...
Page 15: ...o a second amplifier R R L L from speaker terminals 13 mono input connections 2 ch amp PB 738GX PB 1838GX LEVEL REMOTE BASS BOOST POWER PROTECT 18db 0 BASS BOOST 35 400 Hz LPF HPF 80 2 5k Hz FREQ FULL...
Page 16: ...io Outputs L R FRONT Audio Outputs 14 2 4 channel input connections 4 ch amp PB 238GX POWER LOW IN HI IN CH2 CH1 MIN MAX LEVEL CH 2 CH 1 LOW IN CH 4 CH 3 MIN MAX LEVEL HI IN CH4 CH3 4 CHANNEL POWER AM...
Page 17: ...se the low level RCA inputs at the same time CH 1 2 4 CH harness wiring for common ground connections from speaker terminals L R FRONT R L REAR ORANGE ORANGE ORANGE ORANGE BLACK BLACK BLACK BLACK CH 3...
Page 18: ...2 5k BASS BOOST MIN MAX FREQ POWER PROTECT CH 1 CH 2 80 Hz LPF HI IN CH4 CH3 LOW IN BASS BOOST LEVEL FULL HPF LPF FULL HPF LPF CHANNEL 1 2 CHANNEL 3 4 HI IN CH2 CH1 18db 0 2 5k 80 Hz 35 400 Hz REMOTE...
Page 19: ...ns from speaker terminals L R FRONT R L REAR ORANGE ORANGE ORANGE ORANGE BLACK BLACK BLACK BLACK CH 3 4 high level Stereo input connections 4 ch amp PB 638GX PB 1038GX 4 CHANNEL MOSFET AMPLIFIER FREQ...
Page 20: ...8db 0 35 400 Hz LPF HPF 2 5k BASS BOOST MIN MAX FREQ POWER PROTECT CH 1 CH 2 80 Hz LPF HI IN CH4 CH3 LOW IN BASS BOOST LEVEL FULL HPF LPF FULL HPF LPF CHANNEL 1 2 CHANNEL 3 4 HI IN CH2 CH1 18db 0 2 5k...
Page 21: ...eaker terminals CH 1 2 CH 3 4 R L ORANGE ORANGE ORANGE ORANGE BLACK BLACK BLACK BLACK 19 high level mono input connections 4 ch amp PB 638GX PB 1038GX 4 CHANNEL MOSFET AMPLIFIER FREQ CH 3 LOW IN LEVEL...
Page 22: ...Output Mode speaker MINIMUM SPEAKER IMPEDANCE 4 OHMS RIGHT speaker LEFT speaker 20 speaker connections 2 ch amp PB 738GX PB 1838GX GROUND FUSE BRIDGED L R 12V BATT REM GROUND FUSE BRIDGED L R 12V BAT...
Page 23: ...ITHOUT MINIMUM SPEAKER IMPEDANCE 4 OHMS speakers L R REAR speakers FRONT speakers L R R L speaker connections 4 ch amp PB 238GX PB 638GX PB 1038GX BRIDGED CH3 CH4 GROUND 12V BATT REM BRIDGED FUSE CH1...
Page 24: ...Bridged Output Mode with Subwoofer Output MINIMUM SPEAKER IMPEDANCE 4 OHMS SPEAKERS R L SUBWOOFER 22 speaker connections 4 ch amp PB 638GX PB 1038GX BRIDGED CH3 CH4 GROUND 12V BATT REM BRIDGED FUSE CH...
Page 25: ...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 o...
Page 26: ...ly tap the center pin of each of the disconnected RCA plugs with your finger This should produce a noise feedback in your speakers Only one channel works Confirm that all terminal strip connections ar...
Page 27: ...in stereo will present a 4 ohm load to each channel of the amplifier Most two channel amplifiers will work well in this configuration Two 4 ohm speakers wired in parallel to a bridged two channel amp...
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