Rockville DB Marine Series Owner'S Manual Download Page 1 | Manualshive

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dBM12 OWNER’S MANUAL

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Summary of Contents for DB Marine Series

Page 1: ...dBM12 OWNER S MANUAL A m p l i fier Power Stand a r d CEA 2006 C o m p l i a n t TM dB ...

Page 2: ... for details Please read this installation guide vehicleefully for proper use of your dBM12 Class D marine amplifier Read this entire guide fully before attempting your installation WARNING BE AWARE Use of this amplifier at extreme high volumes for extended periods of time may cause hearing loss and or hearing damage During periods of prolonged high volume levels it is recommended that you use ear...

Page 3: ...80 degrees Celsius the amplifier will turn off Once the amplifier cools down to a safe temperature it will automatically turn on again Speaker Short Circuit Protection Should your speakers short circuit due to voice coil burn out or should the amplifier sense an impedance too low to handle the Protection LED will light indicating a diagnostic condition Turn off your system disconnect one speaker a...

Page 4: ...Rustproof Aluminum heatsink with white painted finish Stainless steel end panels are rustproof All screws and mounting hardware are stainless steel and rustproof Bottom panel is aluminum and rustproof Battery Voltage Rockville dBM Series amplifiers are rated and regulated to 13 8 volts and below Increasing voltage to 14 4 volts will increase the power output of the amplifier in the same proportion...

Page 5: ...mponents Mount the amplifier somewhere out of the way at the rear of the boat underneath the dashboard or below the seats Never install an amplifier in the engine compartment Please be sure to leave breathing room around the amplifier heat sink so that it can dissipate the heat it produces efficiently The amplifier can be installed either horizontally or vertically Mounting The Amplifier The dBM12...

Page 6: ...red power wire should be attached to the amplifier power terminal marked 12V The wire harness should be made of red primary cable at least 8 gauge The harness should terminate in a large ring terminal for connection directly to the positive terminal of the secondary battery An optional second fuse can be installed closer to the amplifier for additional safety to the amplifier itself A second black...

Page 7: ...the amplifier s level control to match Once you are satisfied with the level control settings use any equalizer controls to adjust the system tonal level for personal preference Keep in mind that after equalizing you may have to go back and reset the amplifier s level controls The level control of any amplifier should not be mistaken for a volume control It is a sophisticated device designed to ma...

Page 8: ...s RCA outputs to the amplifiers Left and Right RCA input jacks All dBM series monoblock amplifiers feature RCA pre amp line outputs for feeding of a full range signal to a secondary full range amplifier in a multi amp system Amp Configurations L R SOURCE ...

Page 9: ...mpedance configurations The dual positive and negative terminals are connected in parallel inside the amplifier Connecting two speakers each to one set of positive and negative terminals will result in a parallel speaker connection If only connecting one pair of speaker wires it is not necessary to use both sets of connections 4 OHM SUBWOOFER 4 OHM SUBWOOFER 2 OHM MINIMUM LOAD SUBWOOFER IMPEDANCE ...

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Page 11: ...Glue Waterproof silicone covers for end panels Rustproof Aluminum heatsink with white painted finish Stainless steel end panels are rustproof All screws and mounting hardware are stainless steel and rustproof Bottom panel is aluminum and rustproof CEA Power Ratings 2 Ohm 500 Watts x 1 Channel 1 THD N 4 Ohm 300 Watts x 1 Channel 1 THD N RMS Power Ratings 2 Ohm 1000 Watts x 1 Channel 4 Ohm 600 Watts...

Page 12: ...ad for single dB Series Amplifiers is 2 ohm stereo and 4 ohm mono bridged Lower impedance loads will cause overheating and may damage the amplifiers Do not mix different impedance speakers in series and or parallel combinations as unequal power sharing and acoustic outputs will result ...

Page 13: ...13 Woofer Wiring Guide DVC configurations ...

Page 14: ...d correctly 3 Blown speaker To check for a blown speaker disconnect all the speakers from the amplifier If the amp goes out of protect mode then the problem is indeed a blown speaker Find which speaker is blown and replace it Wrong speaker impedance Replace the speaker s with one of the proper impedance 4 Speaker wires touching If the positive and negative speaker wires that run from your speakers...

Page 15: ...wire is connected securely to the amplifier on one end and make sure the other end is connected to the remote turn on of the receiver A common error we see is the remote turn on get connected to the antenna wire instead of the remote turn on wire of the head unit Please note the remote turn on wire is a required wire The amp will not work if this is not connected It is also possible the remote ter...

Page 16: ...times the head unit will allow you to only enable front and rear which would cause the amp to have no sound 8 Speaker wire is not making a good contact on the speaker output of the amp or on the speaker terminal You need to make sure the speaker wire is securely tightened into the speaker terminal and the amplifier terminal 9 A pinched or cut speaker wire that is now not running a signal Speaker w...

Page 17: ... your RCA cables and speaker wire are run alongside your power cables they will pick up feedback If this is the case you will need to run the RCA cable on the other side separate from your power cable 2 A poor ground cable connection can cause your amp to clip because improper power is getting to the amp Check your ground connection and make sure that the cable is securely tightened 3 Engine noise...

Page 18: ...your crossover setting on your amplifier You may need to filter out more high frequencies which your sub is not meant to play So make sure its on low pass mode and then you also should try lowering the frequency of that low pass crossover and see if that helps 6 On your receiver it is very common to have a volume level control for the pre amp outputs separate from your master volume control To fix...

Page 19: ...e doesn t blow with the power wire disconnected from your amp then you have an internal amplifier problem Internal Amplifier Fuse If the fuse blows when the amp is turned up then you likely have subwoofers that are either incompatible or that are wired at too low of an impedance Rewire to achieve proper impedance or replace the subwoofers with compatible ones Check and make sure the power and grou...

Page 20: ...able that is plugged into your receiver Make sure you plugged the amplifier into the preamp output that is red and white In many cases we have seen customers plug the RCA into the RCA video of their receiver which is yellow If this is the case just plug the RCA into the proper connections and your problem will be solved 3 There is a setting on your receiver that can disable your RCA outputs The se...

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Page 24: ... Features and specifications are subject to change and or improvement without notice Though we tried our best to ensure that this manual is free and clear of errors please don t hold us responsible for printing errors ...

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