Instruction/ maintenance manual of the product PPI4240 Precision Power
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Thank you for choosing PPI audio epuipment. Now , HANG ON! PPI products ar e engineered and manufactured to deliver a wild ride of perfor mance, sound quality , and reliability .
1 4-W ay/5-W ay V ariable Crossover with RCA Outputs QBASS™ Bass Boost Balanced Differ ential Input Circuit Speaker Lead High Level Inputs High V oltage Input Capability Gold Plated RCA, Speaker and Power Connectors Mixed Mono/Stereo Operation PPI4240 .
2 PPI4240 30W x 4 Channels @ 4 Ohms 60W x 4 Channels @ 2 Ohms 120W x 2 Channels @ 4 Ohms Bridged PPI5440 30W x 4 Channels @ 4 Ohms + 120W x 1 Channel @ 4 Ohms 60W x 4 Channels @ 2 Ohms + 200W x 1 Chan.
3 The following formula is a guide to deter mine current draw so you can choose the proper gauge power cable and fuses for your system. A 50% amplifier efficiency rating is used as an average.
4 Bef ore beginning, disconnect the negative (-) terminal of the batter y pr ior to working on the positive (+) terminal to pre v ent a shor t to ground. This is impor tant, unless you w ant to spend the rest of your lif e with a nic kname lik e "Spar ky ," or "Smok ey .
5 Remote T urn-on Y our head unit should have a lead marked ‘r emote’ or ‘ power antenna’ which will be used to turn on your amplifier . Extend this lead through your vehicle along with your RCA signal wires. Strip 1/4 inch of the insulation of f the wire and insert the end into the corresponding terminal on the amplifier .
6 1. Batter y Power Connect the 12-volt constant power cable from the battery her e. 2. Remote Connect the remote turn on lead from you sour ce unit here. This connection will turn the amplifier on when the source unit is powered up. 3. Ground Connect your ground wir e here.
7 All PPI amplifiers are capable of being bridged into a 4-Ohm mono output without switches or bridging modules. This in turn allows you to run Full range or component speakers and a subwoofer of f one PPI amplifier .
8 1. Fr ont RCA Input Plug in the front RCA cables fr om the source unit or PPI signal processor her e. 2. Rear RCA Input Plug in the rear RCA cables fr om the source unit or PPI signal processor her e. 3. RCA Outputs Plug in the RCA cables here to send signal to a second amplifier .
9 9. Rear X-Over Freq Select the rear cr ossover frequency here. The detented contr ol moves clockwise from 20Hz to 5kHz. Use the chart on page 20 to select the desired cr ossover frequency . 10. Rear Gain Control Use this control to match the output level of the head unit to the amplifier .
10 1 2 3 4 5 6 7 8 9 10 14 15 16 17 18 11 12 13 19 20 1. Fr ont RCA Input Plug in the front RCA cables fr om the source unit or PPI signal processor her e. 2. Rear RCA Input Plug in the rear RCA cables fr om the source unit or PPI signal processor her e.
1 1 9. Rear X-Over Freq Select the rear cr ossover frequency here. The detented contr ol moves clockwise from 20Hz to 5kHz. 10. Rear Gain Control Use this control to match the output level of the head unit to the amplifier . 11. Subwoofer X-Over Freq Select the subwoofer crossover fr equency here.
12 1. Adjust all amplifier input gain controls to just above minimum sensitivity (fully counterclockwise). 2. Using the cleanest source (CD), with music playing turn up the head unit until you can hear the music begin to distort. Now tur n it down a bit until you cannot hear the distortion.
13 For extra BOOM from your system, we’ve developed the QBASS™ bass contr ol cir cuit. The QBASS™ control is located to the left of the cr ossover switches and allows you to add up to 12dB of boost center ed at 40Hz by r otating the contr ol clockwise.
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15 System One System T wo.
16 System Three.
17 System Four.
18 PPI4240.
19 PPI5440.
DETENT XOVER FREQ 1 20 Hz 2 21 Hz 3 21 Hz 4 21.5 Hz 5 22 Hz 6 23 Hz 7 24.5 Hz 8 26 Hz 9 27.5 Hz 10 30 Hz 11 32 Hz 12 35 Hz 13 39 Hz 14 43 Hz 15 49 Hz 16 56 Hz 17 64 Hz 18 73 Hz 19 80 Hz 20 88 Hz 21 10.
This warranty gives you specific legal rights, and you may also have other rights which var y from state to state. PrecisionPower , Inc. (PPI) war rants its products to be fr ee from defects in materi.
An important point after buying a device Precision Power PPI4240 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Precision Power PPI4240 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 Precision Power PPI4240 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Precision Power PPI4240 you will learn all the available features of the product, as well as information on its operation. The information that you get Precision Power PPI4240 will certainly help you make a decision on the purchase.
If you already are a holder of Precision Power PPI4240, 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 Precision Power PPI4240.
However, one of the most important roles played by the user manual is to help in solving problems with Precision Power PPI4240. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Precision Power PPI4240 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
