Instruction/ maintenance manual of the product PA1235 Xantech
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® 1 Amplifiers & Preamplifiers INST ALLA TION INSTRUCTIONS P A1235 2 CHANNEL POWER AMPLIFIER 123456 PA1235 12 CHANNEL POWER AMPLIFIER POWER GENERAL INFORMATION To enhance the ease of installa.
® 2 • 12-11-10-9-8-7-6 Output Flexibility. Each of the 12 amplifiers can be driven singly or bridged to allow several channel and power output capabilities. It can be configured into seven power packages as follows: - Twelve 35-watt amplifiers - 12 total.
® 3 Amplifiers & Preamplifiers In addition, this switch must be left in the MANUAL OFF (OUT) position to permit an external DC Control Voltage to power the PA1235 ON and OFF. Refer to " REMOTE MASTER ON/OFF CONTROL " terminals, item #13.
® 4 8. COMMON AUDIO BUS. A single audio source, such as from a connected preamp, can drive one or more of the amplifier pairs simultaneously, as desired, from this Bus. Any of the amplifier pairs can be switched to the COMMON AUDIO BUS at will by use of the COMMON BUS / LOCAL Switch (see also item #6).
® 5 Amplifiers & Preamplifiers 12. SPEAKER Terminals. These plug-in 4-terminal screw type connectors permit speaker wire sizes up to 12 gauge.
® 6 • Since it includes adjustable code groups, the user may inadvertently alter the installer configurations. • Also, since the user will require IR commands from other brands of equipment to control the total system, in addition to those of the PA1235, all commands should be consolidated into one learning device, for ease of use.
® 7 Amplifiers & Preamplifiers 7. MUTE ON / OFF . Separate ON / OFF Mute commands give positive mute action without knowing the actual mute status. This is very helpful in a remote room where commands are sent “ blind ” without any visual aids for status.
® 8 2. If mounted in an equipment cabinet or other confining location, allow at least 2 inches of space above the top cover (see Fig. 4 ). Be sure there are large openings in the shelf below the unit and in the cabinet to allow the entry of cool air and the escape of warm air.
® 9 Amplifiers & Preamplifiers 6. As a rule of thumb, use 18 gauge speaker wire for speaker runs up to 30' (9m), 16 gauge up to 70' (21m), and 14 gauge up to 150' (39m). The 4-terminal connectors accept wire sizes up to 12 gauge max.
® 10 NOTE: Only one speaker is connected per amplifier pair in the BRIDGED mode! 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.
® 11 Amplifiers & Preamplifiers REMOTE MASTER ON/OFF CONTROL 5-30 VOLTS DC + -- N/C GROUND STA TUS IR IN COMMON AUDIO BUS AC LINE ON/OFF COMMON BUS LOCAL LEFT RIGHT STEREO MONO BRIDGED CI GRO.
® 12 8. To keep the system cost low, no AC power management is included. The user would need to operate the power switching for each component individually, using front panel power switches, or IR, as appropriate. Individual room Standby ON/OFF is provided, however.
® 13 Amplifiers & Preamplifiers REMOTE MASTER ON/OFF CONTROL 5-30 VOLTS DC + -- COMMON BUS LOCAL LEFT RIGHT STEREO MONO BRIDGED CI GROUND STA TUS IR IN LEFT RIGHT SPEAKER + -- -- + + BRIDGED .
® 14 REMOTE MASTER ON/OFF CONTROL 5-30 VOLTS DC + -- N/C GROUND STA TUS IR IN COMMON AUDIO BUS AC LINE ON/OFF COMMON BUS LOCAL LEFT RIGHT STEREO MONO BRIDGED CI GROUND STA TUS IR IN LEFT RIGHT SP.
® 15 Amplifiers & Preamplifiers TROUBLE SHOOTING If you encounter a problem, please review the items below. Be sure, in addition, to check other system components, such as preamplifiers, CD players, speakers, speaker wiring, etc., that may be at fault.
® 16 SPECIFICATIONS Number of Channels ............................................................................................................ .........................................12 Power Output Rated Continuous Power, Each Channel: ...
An important point after buying a device Xantech PA1235 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Xantech PA1235 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 Xantech PA1235 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Xantech PA1235 you will learn all the available features of the product, as well as information on its operation. The information that you get Xantech PA1235 will certainly help you make a decision on the purchase.
If you already are a holder of Xantech PA1235, 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 Xantech PA1235.
However, one of the most important roles played by the user manual is to help in solving problems with Xantech PA1235. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Xantech PA1235 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
