Installation instructions model pa635 six channel power amplifier with ir control table of contents section title page general information ................................................................................................................................. 2 pa635 panel and feature descr...
Page 2 model pa635 © 2001 xantech corporation. General information to enhance the ease of installation and obtain optimum performance from the pa635, we recommend that you first become familiar with all its features and special capabilities by studying the descriptions and instructions in this manua...
Model pa635 page 3 © 2001 xantech corporation individual on/off of amp pairs. Permits standby on/off control of individual channel pairs. Specifically, it permits the status outputs (12 volts on/off) of xantech zpr68 zones to switch the standby of the pa635 channel pairs (ci) on and off with zone on...
Page 4 model pa635 © 2001 xantech corporation. Note: the pa635 may also be powered on/off with an external ac line switch into which the power cord of the pa635 is plugged (such as the switched ac outlet of a preamp, timer, etc. With a 10a rating). For this type of operation, leave the power switch ...
Model pa635 page 5 © 2001 xantech corporation in stereo mode, the two amplifiers operate independently of each other for 35 watts of output each, except ir control of volume, max-v, mute, standby off/on and balance functions is common to both. In mono mode, left and right input signals are summed in...
Page 6 model pa635 © 2001 xantech corporation. Word "bridged" on the panel above the 4-terminal connector when connecting the 2-conductor wire to the speaker. 13. Remote master on/off control. This 2-terminal connector allows the entire pa635 to be powered on and off by a control voltage ranging bet...
Model pa635 page 7 © 2001 xantech corporation applicable rc68+ button descriptions 1 a b c adj-off 1 2 3 4 5 6 7 8 global z-adj treble vol mute on off e-flat last max-v trim off c-bal bass input a rc68+ programmer 80 48 10 90 01 00 c0 50 d0 41 40 a0 30 b0 21 20 e0 70 f0 61 60 88 18 98 09 08 a8 38 b8...
Page 8 model pa635 © 2001 xantech corporation. 4. C-bal command. Instantly returns the balance to the center position (equal volume in each channel) from any previous setting. 5. Balance commands. When the balance "arrow" buttons are pressed, the audio output will move to the left or right (with a 2...
Model pa635 page 9 © 2001 xantech corporation installation - physical location and mounting when you mount the pa635, you should plan its location carefully. Pay attention to each of the following factors: upper shelf, component, wall, etc. 2-inch spacing (minimum) pa635 to maximize air flow, route ...
Page 10 model pa635 © 2001 xantech corporation. Connecting the pa635 when making connections to the pa635 be sure the power cord is unplugged. Proceed as follows: common local ci ground st atus ir in stereo mono bridged mode left right speaker + -- -- + + bridged -- left right 1 video audio l r 1 rc...
Model pa635 page 11 © 2001 xantech corporation caution: after lead ends are inserted and the screws tightened down, be sure there are no free strands that could cause shorting! Speaker phasing to obtain stable imaging and full bass response, it is imperative that stereo speakers be connected "in pha...
Page 12 model pa635 © 2001 xantech corporation. To make connections for the bridged mode, follow the steps given before for stereo connections, but with the following differences: 1. You may connect the rca-type patch cables from the output jacks of the driving preamp or other source to either the l...
Model pa635 page 13 © 2001 xantech corporation warning turn power off before changing modes caution risk of electric shock. Do not open remote master on/off control 5-30 volts dc left right common audio bus + -- ci ground st atus ir in common local ci ground st atus ir in stereo mono bridged mode le...
Page 14 model pa635 © 2001 xantech corporation. Caution: when changing the group numbers, you must connect an ir receiver to each amplifier pair's ir input (item 11, fig. 3) one at a time. You cannot use the common ir input (item 15, fig. 3) as this will change them all to a different, but same numb...
Model pa635 page 15 © 2001 xantech corporation warning turn power off before changing modes caution risk of electric shock. Do not open remote master on/off control 5-30 volts dc left right common audio bus + -- ci ground st atus ir in common local ci ground st at us ir in stereo mono bridged mode l...
Page 16 model pa635 © 2001 xantech corporation. Connecting the remote master on/off control terminals as mentioned under "pa635 panel and feature descriptions", the remote master on/off control terminals allow the power to the entire pa635 to be turned on and off by a remotely applied dc voltage. Fi...
Model pa635 page 17 © 2001 xantech corporation caution: when making this connection, do not use the included 220 ohm resistor! Refer also to caution notes, fig. 9. When any one of the zones is turned on, the common co goes high (+12v), turning on power to the entire pa635. Similarly, when the last z...
Page 18 model pa635 © 2001 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...
Model pa635 page 19 © 2001 xantech corporation pa635 specifications number of channels 6 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 k...
Page 20 model pa635 © 2001 xantech corporation. Part no. 08901150 rev a 01-02-2002.
