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  5. Installation Instructions Manual

Xantech PA435X Installation Instructions Manual

Manual is about: FOUR CHANNEL POWER AMPLIFIER

Summary of PA435X

  • Page 1

    Installation instructions model pa435x four channel power amplifier table of contents sectiontitle page safety instructions - read before operating equipment................................................................................................................2 general information ............

  • Page 2

    Page 2 model pa435x © 2003 xantech corporation safety instructions - read before operating equipment caution: to reduce the risk of electric shock, do not remove cover (or back) no user-serviceable parts inside refer servicing to qualified service personnel the lightning flash with arrowhead symbol,...

  • Page 3

    Model pa435x page 3 © 2003 xantech corporation general information to enhance the ease of installation and obtain optimum performance from the pa435x, we recommend that you first become familiar with all its features and special capabilities by studying the descriptions and instructions in this manu...

  • Page 4

    Page 4 model pa435x © 2003 xantech corporation peak/clip led indication: whenever either amplifier channel output starts to enter a clipping state, a front panel led will illuminate red. After the amp stops clipping the led will return to its normal state 5-6 seconds after clipping stops. Auto prote...

  • Page 5

    Model pa435x page 5 © 2003 xantech corporation pa435x panel and feature descriptions 1. Front panel. 17" x 3.5” panel designed for shelf mounting. The unit measures 4” high with the feet (item #5). When rack mounting use an adequate rack shelf mount making sure to allow for proper ventilation. Figur...

  • Page 6

    Page 6 model pa435x © 2003 xantech corporation figure 3 – pa435x rear panel - features and functions 6. Line inputs. These rca-type jacks are the audio inputs for each of the amplifier pairs. Connect them to the preamp output jacks of zone 7 & 8 of the mrc88 (or other driving preamp output) with goo...

  • Page 7

    Model pa435x page 7 © 2003 xantech corporation caution: be sure to have the rear ac line power switch (item #15) turned off (o) when changing the position of this switch and when making the corresponding speaker connection changes. 9. Fuse. When required, replace only with a fuse of the same type an...

  • Page 8

    Page 8 model pa435x © 2003 xantech corporation installation - physical location and mounting figure 5 – horizontal mounting when you mount the pa435x, you should plan its location carefully. Pay close attention to each of the following factors: 1. The amplifier is convection cooled. That is, it depe...

  • Page 9

    Model pa435x page 9 © 2003 xantech corporation note: you should consider some sort of rear support for rack mounted units when used in mobile applications or when located in seismically-active areas. Connecting the pa435x figure 6 - pa435x stereo mode connections when making connections to the pa435...

  • Page 10

    Page 10 model pa435x © 2003 xantech corporation 5. Be sure to observe correct polarity by connecting the "+" and "–" terminal from each channel on the pa435x to the corresponding "+" and "–" terminals on each speaker. This will ensure correct "phasing" - see fig. 6 and speaker phasing below. Since t...

  • Page 11

    Model pa435x page 11 © 2003 xantech corporation figure 7 – bridged mode connections bridged mode connections in general, it is recommended that the bridged mode not be used in multi-room applications where several speakers are driven through room volume controls and the like. For such applications, ...

  • Page 12

    Page 12 model pa435x © 2003 xantech corporation caution: when operating in the bridged mode (particularly when bench testing the amplifier) do not make a ground or any other kind of connection to the amplifier speaker terminals other than those to the individual speakers as shown. Failures caused by...

  • Page 13

    Model pa435x page 13 © 2003 xantech corporation a multi-zone system diagram using the pa435x and mrc88 fig. 9, following, shows the pa435x in a typical multi-room system with a xantech mrc88 eight-zone preamp. Figure 9: interfacing the pa435x with an mrc88 zones 7 & 8 in this case: 1. Using good qua...

  • Page 14

    Page 14 model pa435x © 2003 xantech corporation the remote amp co1 & co2 (remote control jack) from the mrc88 allows for individual zone control directly from the zone 7 & 8 keypads of the mrc88 system. When any one of the zones is turned on, the pa435x is powered on. Similarly, when either zone is ...

  • Page 15

    Model pa435x page 15 © 2003 xantech corporation trouble shooting if you encounter a problem, please review the items in the following list. Be sure, in addition, to check other system components, such as preamplifiers, cd players, speakers, speaker wiring, etc., that may be at fault. Problem probabl...

  • Page 16

    Page 16 model pa435x © 2003 xantech corporation specifications number of channels 4 power output rated continuous power, each channel, all six channels simultaneously driven, 20 hz to 20khz, at rated thd 35 watts at 8 ohms power output short term continuous, each channel, 2 channels driven, 1 khz, a...

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    Model pa435x page 17 © 2003 xantech corporation.

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    Page 18 model pa435x © 2003 xantech corporation.

  • Page 19

    Model pa435x page 19 © 2003 xantech corporation.

  • Page 20

    Page 20 model pa435x © 2003 xantech corporation xantech corporation 12950 bradley avenue, sylmar ca 91342-3829 phone 818.362.0353 • fax 818.362.9506 www.Xantech.Com part no. 08901190 rev a 01-31-2003.