Instruction/ maintenance manual of the product PQ40.2 a/d/s/
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analog and digital systems P Q 4 0 . 2 owner's manual 8900-3110 REV A ©2001 analog and digital systems, inc. www.adst.com.
table of content s about this manual................................................................................................... 2 features of your PowerPlate TM ..................................................................................
specifications amplifier section PQ 40.2 power output 4 (watts) 1 4 channel 4 x 100 2 channel 2 x 300 power output 2 (watts) 2 4 x 150 fuse type 60 A maxi dimensions 13” x 16 1/8” x 2” distortion all channels driven <0.
warnings and tips Always disconnect the battery ground wire before doing any work on your vehicle. Reconnect the cable only after the installation is complete and the wiring has been checked to make sure that ther e are no problems.
troubleshooting symptom possible cause action to take no output low or no remote turn-on check remote turn-on input voltage output at amplifier and correct as needed fuse blown check power wire integr.
signal sources Due to the wide input level adjustment range, all a/d/s/ PowerPlates TM can be driven with either a conventional preamplifier drive signal or the amplifier signal from a powered source unit.
Constant bass circuit T o mix sub-bass information into channels 1/2 and 3/4, select a low-pass crossover point, and use the level controls to set the level of sub-bass signal sent to channels 1/2 and 3/4.
System 2 – PQ40 used in 3-channel mode with high-pass main speakers and low-pass subwoofer . Note: Although shown as 2-channel, the source unit may be either 2 or 4-channel depending on the setting of the 2/4 channel switch. System 3 – PQ40 used in 4-channel mode with 2 channels high-pass, 2 channels low-pass or bandpass.
Internal signal routing 2-channel/4-channel input switch – routes RCA input from channels 1/2 to channels 3/4. When the switch is engaged, channel 1 input is routed to both amplifier channels 1 and 3 with input channel 2 routed to amplifier channels 2 and 4.
System 6 – Two PQ40s, both set up as shown in system 3. One amp drives bi-amped midranges and tweeters with the second driving rear fill speakers and subwoofers. speaker connections for stereo configurations Minimum recommended impedance is 2 Ohm stereo.
installation 1. Disconnect the battery ground cable. Reconnect the ground cable only after the installation is complete and the wiring has been checked to make sure that there are no problems. If your radio features a code type security system, be sure you know the code before disconnecting the battery! 2.
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An important point after buying a device a/d/s/ PQ40.2 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought a/d/s/ PQ40.2 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 a/d/s/ PQ40.2 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, a/d/s/ PQ40.2 you will learn all the available features of the product, as well as information on its operation. The information that you get a/d/s/ PQ40.2 will certainly help you make a decision on the purchase.
If you already are a holder of a/d/s/ PQ40.2, 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 a/d/s/ PQ40.2.
However, one of the most important roles played by the user manual is to help in solving problems with a/d/s/ PQ40.2. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device a/d/s/ PQ40.2 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
