Instruction/ maintenance manual of the product 420 Jensen
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P o werPlus Amplifier s Installa tion & Oper a tion Manual Contents Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Features and S pecifications . . . . . . . . . . . . . . . 3 Inst allation . . . . . . . . . . . . . . . .
PowerPlus Amplifiers 2 Intr oduction The Jensen PowerPlus seri es of amplif iers were designed to meet or exce ed the CEA-2006 test st andards. These ne w st andards give all particip ating manufacturers (and man y don't particip ate) a baseline when comparing amplifiers of similar power output.
PowerP lus Amplifiers 3 F eatures and Specifications Y our ne w PowerPlus Jens en mobile stereo power amplifier is the amplifier of choice for the high de mands of auto sound reproduction.
PowerPlus Amplifiers 4 Installa tion Before you begin the inst allation of your PowerPlus series amp remem ber , there are two ways to do things – right an d twice! Use th e proper installation techniques, tools and accessorie s to en sure that your Jensen PowerPlus series amp will put out all the power it was designed to.
PowerP lus Amplifiers 5 P ow er W iring Charging System In some cases, the installa tion of just one (1) amplifier could be enough to overload your factory electrical system (i.e., alter nator). Depending on the state of your electrical sy stem and overall condition o f your vehicle, you may need to upgr ade your altern ator and battery .
PowerPlus Amplifiers 6 Ground T erminal (GND) Make the ground lead as sh ort as possible, leavin g enough length to comp lete the installatio n and to allow for any ser vice that may b e needed at a later date. T o ensure a good ground, scrape awa y any paint or undercoating to expose bare metal.
PowerP lus Amplifiers 7 Speak er W iring The S p eaker Wiring diagrams illustrate options for connecting one or two speakers. Observe the proper speaker polarity . NOTE: PowerPlus amplifiers can drive spe akers with a nominal impedance range of 2~ 4-ohms .
PowerPlus Amplifiers 8 PowerPlus 840/1304 Four S peakers T wo S peakers and Bridged Subwoo fer T wo Subwoofers HPF LPF OFF HPF LPF OFF SPEAKER OUTPUT ++ – + – – + – + BRIDGED – + BRIDGED –.
PowerP lus Amplifiers 9 Input W iring Most trunk/hatc hback installations will require a 15-20 foot RCA cable, while pickup trucks and under-s eat mounting will require a 6-12 foot R CA cable. Connect an RCA cable from your rece iver to the RCA input on your amplifier .
PowerPlus Amplifiers 10 NOTE: The use of good qualit y RCA cables is just as important a s power and speaker wire. Choose a high qua lity low capacitance cable for the best resu lts. Connecting Additional Amplifiers Pass-Thru RCA connectors are pr ovided to connect additional amplifiers without the need to purchase "Y" a dapters.
PowerP lus Amplifiers 11 Indicators and Contr ols Power Indicator (POWER) The power indicator provides a visual indication that the amplifier is turned on. Input Level Control (LEVEL/GAIN) The INPUT LEVEL control (or GAIN) matches the output of yo ur radio to the input of the amplifier .
PowerPlus Amplifiers 12 Te s t i n g Before finishing the instal lation, perform the following test s to make sure the wiring is correct and everything is ope rating properly . Reconnect Battery When wiring is complete, reconnect th e ba ttery negative terminal.
PowerP lus Amplifiers 13 T r oubleshooting NOTE: If the pro tection light is acti va ted with no speakers connect ed to the amplifier , and all the power connections are cor rect, this would indicate an int ernal problem with the amplifier .
PowerPlus Amplifiers 14 CEA P o wer Output RMS Power Output @ 1% THD+N, 14.4VDC PowerPlus 420 Power Output : 65 watts RMS X 2 channels into 4-ohms @ < 1% THD+N Signal to Noise Ratio : 100dBA below .
An important point after buying a device Jensen 420 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Jensen 420 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Jensen 420 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Jensen 420 you will learn all the available features of the product, as well as information on its operation. The information that you get Jensen 420 will certainly help you make a decision on the purchase.
If you already are a holder of Jensen 420, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Jensen 420.
However, one of the most important roles played by the user manual is to help in solving problems with Jensen 420. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Jensen 420 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
