Xantech PA640 manual

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- informations concerning technical data of Xantech PA640
- name of the manufacturer and a year of construction of the Xantech PA640 item
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- safety signs and mark certificates which confirm compatibility with appropriate standards

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Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of Xantech PA640 alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of Xantech PA640, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Xantech service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of Xantech PA640.

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Table of contents for the manual

  • Page 1

     1 Amplifiers & Preamplifiers INST ALLA TION INSTRUCTIONS P A640 SIX CHANNEL POWER AMPLIFIER[...]

  • Page 2

     2 GENERAL INFORMATION To enhance the ease of installation and obtain optimum performance from the PA640, we recommend that you first become familiar with all its features and special capabilities by studying the descriptions and INPUT P ANEL POWER REMOTE ON/OFF CH1 CH2 BRIDGED STEREO LEVEL LEVEL LINE INPUTS LINE INPUTS BRIDGED STEREO CH3 CH4 LE[...]

  • Page 3

     3 Amplifiers & Preamplifiers PA640 PANEL DESCRIPTIONS SYLMAR, CA MADE IN U.S.A. POWER REMO TE ON/OFF CH1 CH2 BRIDGED STEREO LEVEL LEVEL LINE INPUTS LINE INPUTS BRIDGED STEREO CH3 CH4 LEVEL CH5 CH6 LINE INPUTS BRIDGED STEREO 1 2 3 4 5 3 4 5 3 4 5 PA640 SIX CHANNEL POWER AMPLIFIER ® 1V .2V 3V 1V .2V 3V 1V .2V 3V Fig. 2 PA640 Input Panel – [...]

  • Page 4

     4 PA640 PANEL DESCRIPTIONS POWER MANUAL ON + – – + CH2 CH1 PROTECTION SPEAKERS + – – + CH6 CH5 PROTECTION + – – + CH4 CH3 PROTECTION SPEAKER IMPED ANCE STEREO MODE: 8 Ohms Min. BRIDGED MODE: 16 Ohms Min. MANUAL OFF (REMOTE ON/OFF) SPEAKERS SPEAKERS + – BRIDGED + – BRIDGED + – BRIDGED 6 7 8 9 10 6 7 6 7 120 V AC 60 HZ FUSE 5A F[...]

  • Page 5

     5 Amplifiers & Preamplifiers P A640 Aluminum mounting panel (preferred) FINS Fig. 5 Vertical mounting (preferred) Shelf, wall, etc. 3-inch spacing (minimum) P A640 Aluminum mounting panel (preferred) Heat Dissipation Fins Fig. 4 Horizontal Mounting INSTALLATION PHYSICAL LOCATION AND MOUNTING When you mount the PA640, you need to plan its lo[...]

  • Page 6

     6 INSTALLER'S NOTES ____________________________________________________________________________ ____________________________________________________________________________ ____________________________________________________________________________ ____________________________________________________________________________ _____________[...]

  • Page 7

     7 Amplifiers & Preamplifiers INSTALLATION (cont'd) CONNECTING THE PA640 I When making connections to the PA640 be sure the power cord is unplugged. Proceed as follows: Stereo Mode Connections 1. Using good quality RCA type patch cables, connect the L and R OUTPUT jacks of the driving preamp to the CH1, CH2, etc. LINE INPUTS jacks on th[...]

  • Page 8

     8 CH1 CH2 BRIDGED STEREO LEVEL LINE INPUTS VIDEO AUDIO L R 1 RCA T ype Patch Cords Preamp Outputs ZPR68, etc. P A640 Input Panel P A640 Speakers & AC Panel + – – + CH2 CH1 PROTECTION SPEAKERS + – BRIDGED Be sure speakers are connected with correct polarity as shown. Speaker Systems Set BRIDGED/STEREO Switches to BRIDGED position CH3 C[...]

  • Page 9

     9 Amplifiers & Preamplifiers PROBLEM 1. Power Indicator does not light – no sound. 2. No sound from CH2, CH4 or CH6 when stereo operation is desired. 3. Sound cuts in and out every 3 to 5 seconds. 4. PA640 does not turn OFF when REMOTE input voltage goes to 0 Volts. 5. PA640 becomes very warm, shuts OFF, but does not come back ON automati[...]

  • Page 10

     10 Fig. 9 A Multi-Zone System Using Two PA640's 12VDC CONFIRM IR IN POWER +12V G S IR OUT GMM1A  CURRENT SENSOR THRESHOLD ST ATUS ON IR OUT GCM1 CURRENT SENSOR THRESHOLD ST ATUS ON IR OUT GCM1 CURRENT SENSOR THRESHOLD ST ATUS ON IR OUT GCM1 CURRENT SENSOR THRESHOLD ST ATUS ON IR OUT GCM1 CURRENT SENSOR THRESHOLD ST ATUS ON IR OUT GCM1 C[...]

  • Page 11

     11 Amplifiers & Preamplifiers P A640 © 1996 Xantech Corporation. All rights reserved. Design and specifications subject to change without notice. CH1 Input CH2 Input STEREO BRIDGED + + + + INVERTER + – – + Feedback DISCRETE DRIVER & OUTPUT ST AGES + Feedback Protection Mute and Protection PROTECTION LED CH2 CH1 BRIDGED Power Mute 1[...]