Pyramid Car Audio PB-1838GX, PB-638GX, PB-238GX, PB-738GX, PB-1038GX user manual Precautions, Stop

Page 27

precautions

Do not operate the amplifier when it is unmounted. Attach all audio system components securely within the automobile to prevent damage, especially in an accident.

notes

STOP

Do not mount this amplifier so that the wire connections are unprotected, or in a pinched condition, or likely to be damaged by nearby objects.

Before making or breaking power connections in your system, disconnect the vehicle battery. Confirm that your head unit or other equipment is turned off while connecting the input jacks and speaker terminals.

4 ohm

2 -c hannel Amplifier (Operating in Stereo)

YES! 4 ohm

Two 4-ohm speakers, wired in stereo, will present a 4-ohm load to each channel of the amplifier. Most two- channel amplifiers will work well in this configuration.

sound around, Inc.

1600 63rd street. brooklyn. ny 11204

4 ohm

2 -c hannel Amplifier

(Operating in

Bridged Mono)

NO!

4 ohm

Two 4-ohm speakers, wired in parallel to a bridged two-channel amplifier. will present a 2-ohm mono load to the

amplifier. MOST TWO-CHANNEL25

AMPLIFIERS DO NOT SUPPORT 2-OHM MONO OPERATION! AMPLIFIER DAMAGE COULD RESULT!

If you need to replace the power fuse, do so only with a fuse identical to that supplied with the amplifier. Using a fuse of a different type or rating may result in damage that isn’t covered in the manufacturer’s warranty.

STOP

4 ohm

4 ohm

4 -c hannel Amplifier (Operating in Stereo)

4 ohm

YES! 4 ohm

Four 4-ohm speakers, wired in stereo, will present a 4-ohm load to each channel of the amplifier. Most four- channel amplifiers will work well in this configuration.

sound around, Inc.

1600 63rd street. brooklyn. ny 11204

 

4 ohm

 

4 ohm

4 -c hannel Amplifier

 

(Operating in

 

Bridged Mono)

4 ohm

NO! 4 ohm

Four 4-ohm speakers, wired in parallel to a bridged four-channel amplifier, will present a 4-ohm mono load to the amplifier. MOST FOUR-CHANNEL

AMPLIFIERS DO NOT SUPPORT 2-OHM MONO OPERATION! AMPLIFIER DAMAGE COULD RESULT!

Image 27
Contents PB-1838GX PB-738GX PB-238GX PB-638GX PB-1038GX Congratulations Table of contents PB-238GX General featuresPB-1038GX PB-1836GX General featuresCh amp PB-238GX Features and controlsFeatures and specifications Ch amp PB-738GX PB-1238GX Ch amp PB-738GX PB-1838GX Ch amp PB-638GX PB-1038GX PB-638GX PB-1038GX Electrical connections Ch amp PB-238GX PB-638GX PB-1038GX Stereo input connections Using low level inputsTo a second amplifier Mono input connectionsCh amp PB-238GX Channel input connectionsCH floating ground connections High level input connectionsCh amp PB-638GX PB-1038GX Stereo input connectionsHigh level Stereo input connections Low level inputs Mono input connectionsCH Common ground connections High level mono input connectionsSpeaker connections CH Output Mode CH Bridged Output Mode with Subwoofer Output Mounting Mounting and installationProtection circuitry TroubleshootingStop Precautions