Instruction/ maintenance manual of the product 4.5 PBM Atlantic Technology
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Model 4.5 PBM High Performance Powered Subwoofer Instr uction Manual A tlantic T echnology ® I NNOVATIVE H OME T HEATER 343 V anderbilt A venue Nor wood, MA 02062 (781) 762-6300 www .
2 Model 4.5 PBM M ODEL 4.5 PBM High Per formance Powered Subwoofer Congratulations on your purchase of an Atlantic T echnology 4.5 PBM power ed subwoofer . W ith proper care, your new subwoofer will provide many years of trouble-free, high quality bass reproduction.
3 A tlantic T echnology ® ● A useful working frequency range from 30 Hz to 150Hz. ● A Dual Diversity Crossover TM (DDC) system with an adjustable (50 Hz to 150 Hz) 12 dB per octave low-pass crossover , and a fixed 24 dB per octave “voice filter” at 180 Hz.
4 Model 4.5 PBM Figure 1: Amplifier panel and controls for Model 4.5 PBM Connecting Y our Subwoofer The Atlantic T echnology 4.5M Powered Subwoofer is simple to hook up, offering several connection methods for maximum flexibility . Study the system diagrams starting on page 6.
5 A tlantic T echnology ® Low-Level Connection If you choose to use the low-level (RCA jacks), simply connect your subwoofer with high quality shielded cables as shown in the diagrams. Use the diagram that best suits your connection requirements. Please see the Important Note on the previous page for connection recommendations.
6 Model 4.5 PBM Example 1: Subwoofer Line Out/ Low Level In Before using this connection method, please see the Important Note on page 4. Example 2: Preamp Line Out/Low Level In for 1 Subwoofer This arrangement is for owners of stereo receivers/ amplifiers with Preamp outputs.
7 A tlantic T echnology ® Example 3: Preamp Line Out/Low Level In for 2 Subwoofers Note that the L/MONO input is used on both sub- woofers. Instead of Y -adapters, you may also use the THRU outputs to connect back to the Main Inputs as shown in Option 2 of Example 2.
8 Model 4.5 PBM Example 5: Speaker Out/ High Level In for 2 Subwoofers This is the recommended method for connecting the 4.5 PBM to a discrete 5.1 channel. Please the the Important Note on page 4. Y ou can also use the speaker level THRU outputs. Note that the L/MONO High Level input is used on both left and right subwoofers.
9 A tlantic T echnology ® Figure 3: T ypical arrange- ment for a single subwoofer in a home theater . Start here Less Bass More Bass wall and especially a corner , the more bass response you will hear .
10 Model 4.5 PBM Using the Subwoofer Lo-Pass Control Start with the Lo-pass control of the 4.5 PBM set at the middle. Play some music with a range of bass notes from low to high. If the bass in the transition region between the subwoofer and satellite speakers is thin sounding, increase the Lo-pass setting by turning the knob clockwise.
11 A tlantic T echnology ® The 4.5 PBM has an elegant Gloss Black top panel. Special adhesive tape has been employed that is designed to hold the top firmly to the cabinet, yet allow release without damage. Should you wish, you may remove the gloss top by carefully pulling it up and away from the enclosure.
12 Model 4.5 PBM The lightning flash with arrowhead, within an equilateral triangle, is intended to alert the user to the presence of uninsulated “dangerous voltage” within the product’ s enclosure that may be of sufficient magnitude to constitute a risk of electrical shock to persons.
An important point after buying a device Atlantic Technology 4.5 PBM (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Atlantic Technology 4.5 PBM 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 Atlantic Technology 4.5 PBM - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Atlantic Technology 4.5 PBM you will learn all the available features of the product, as well as information on its operation. The information that you get Atlantic Technology 4.5 PBM will certainly help you make a decision on the purchase.
If you already are a holder of Atlantic Technology 4.5 PBM, 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 Atlantic Technology 4.5 PBM.
However, one of the most important roles played by the user manual is to help in solving problems with Atlantic Technology 4.5 PBM. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Atlantic Technology 4.5 PBM 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
