Pyramid PB-738GX - Manuals

5 input level control low level inputs high level inputs power LED power fuse power terminals speaker connections use this control to match the outputs of your head unit to the amplifier.Starting with your head unit set at about the 2 o’clock position, increasethe amp level control until distortion ...

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

12 head unit using low level inputs PLEASE NOTE! If using high levelinputs, do not use the low level RCAinputs at the same time! using high level inputs Y Adaptors L/R Audio Outputs from speaker terminals L L R R head unit stereo input connections 2 ch amp P B - 7 3 8 GX • P B - 1 8 3 8 G X LEVEL RE...

head unit using low level inputs PLEASE NOTE! If using high levelinputs, do not use the low level RCAinputs at the same time! using high level inputs To a second amplifier Y Adaptors head unit wiring harness wiring harness To a second amplifier R R L L from speaker terminals 13 mono input connection...

4 CH input connections using low level inputs 2 CH input connections using low level inputs Y adaptors L R head unit L/R REAR Audio 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 L...

4 CH floating ground connections from speaker terminals L R FRONT L R REAR ORANGE ORANGE ORANGE ORANGE BLACK BLACK BLACK BLACK PLEASE NOTE! If using high level inputs,do not use the low level RCA inputs atthe same time! CH 1/2 4 CH harness wiring for common ground connections from speaker terminals ...

4 CH Stereo input connections using low level inputs 2 CH Stereo input connections using low level inputs Y adaptors R L head unit 16 L/R REAR Audio Outputs L/R FRONT Audio Outputs Stereo input connections 4 ch amp PB-638GX • PB-1038GX 4 CHANNEL MOSFET AMPLIFIER FREQ. CH 3 LOW IN LEVEL MIN MAX CH 4 ...

4 CH floating ground connections 17 from speaker terminals L R FRONT L R REAR ORANGE ORANGE ORANGE ORANGE BLACK BLACK BLACK BLACK PLEASE NOTE! If using high level inputs,do not use the low level RCA inputs atthe same time! CH 1/2 4 CH harness wiring for common ground connections from speaker termina...

RIGHT FRONT Audio Outputs LEFT FRONT Audio Outputs 4 CH mono input connections using low level inputs 2 CH mono input connections using low level inputs Y adaptors L R head unit LEFT REAR Audio Outputs RIGHT REAR Audio Outputs 18 mono input connections 4 ch amp PB-638GX • PB-1038GX 4 CHANNEL MOSFET ...

4 CH Common ground connections 4 CH harness wiring for common ground connections from speaker terminals PLEASE NOTE! If using high level inputs,do not use the low level RCA inputs atthe same time! R L ORANGE ORANGE ORANGE ORANGE BLACK BLACK BLACK BLACK from speaker terminals CH 1/2 CH 3/4 R L ORANGE...

Stereo Output Mode speaker MINIMUM SPEAKER IMPEDANCE 4 OHMS! RIGHT speaker L EFT speaker 20 speaker connections 2 ch amp • P B - 7 3 8 GX • P B - 1 8 3 8 G X GROUND FUSE BRIDGED - + - + - + L R +12V BATT REM GROUND FUSE BRIDGED - + - + - + L R +12V BATT REM

21 4 CH Output Mode Bridged Dual Mono Output Mode (PB-238GX WITHOUT) MINIMUM SPEAKER IMPEDANCE 4 OHMS! speakers L R REAR speakers FRONT speakers L R R L speaker connections 4 c h a m p P B - 2 3 8 G X • P B - 6 3 8 GX • P B - 1 0 3 8 G X BRIDGED + - - + - + - + CH3 CH4 GROUND +12V BATT REM BRIDGED F...

2 CH Bridged Output Mode with Subwoofer Output MINIMUM SPEAKER IMPEDANCE 4 OHMS! SPEAKERS R L SUBWOOFER 22 speaker connections 4 c h a m p P B - 6 3 8 G X • P B - 1 0 3 8 G X BRIDGED + - - + - + - + CH3 CH4 GROUND +12V BATT REM BRIDGED FUSE - + - + CH1 CH2

23 mounting and installation fuses wiring tips When making electrical connections to your amplifier, please observe thefollowing: 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...

The built-in protection circuitry in the Pyramid Royal Blue Series amplifiers will disable the amplifier if it senses an input overload, a speaker short circuit,or extreme temperature conditions. When the protection circuit is activated by any ofthese conditions, the Protection LED will beilluminate...