Xantech PA1235 - Manual
Xantech PA1235 – Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.
Table of Contents:
- Page 2 – CI; ) On and Off with zone ON and OFF commands.; Low Impedance Capability.; PA1235 Front Panel – Features and Functions
- Page 3 – Amplifiers & Preamplifiers
- Page 4 – PA1235 Rear Panel – Features and Functions
- Page 5 – IR IN
- Page 7 – OFF; DOWN direction and more slowly in the UP direction.; Be sure to set the RC68+ to the same number!; ) or an external common; Refer to the RC68+ instructions for code group setting procedures; Convection; Horizontal Mounting
- Page 8 – VIDEO; MODE; STEREO Mode Connections
- Page 9 – Speaker Phasing; BRIDGED Mode Connections
- Page 11 – Power; IR; CONTROLLED SOURCE COMPONENTS; Basic PA1235/RS41 System - Requires Room Dedicated Remotes
- Page 15 – TROUBLE SHOOTING; • Check line cord for good contact in a live AC outlet.
- Page 16 – SPECIFICATIONS; Rated THD
®
1
Amplifiers & Preamplifiers
INSTALLATION INSTRUCTIONS
PA1235
2 CHANNEL POWER AMPLIFIER
1
2
3
4
5
6
PA1235
12 CHANNEL POWER AMPLIFIER
POWER
GENERAL INFORMATION
To enhance the ease of installation and obtain optimum performance from the PA1235, we recommend that
you first become familiar with all its features and special capabilities by studying the descriptions and
instructions in this manual.
The PA1235 was designed to meet the audio power amplifier needs of custom installed multi-room, multi-
zoned systems with high sonic quality. Common and Local IR control of Volume, Mute, Balance and OFF,
for each channel pair, is provided. It's bridgeable 12-11-10-9-8-7-6 multichannel capability permits a wide
variety of uses, such as enough channels to run surround sound home theater and multi-room applications
simultaneously. Specific features and technology are as follows:
• Cost/Size Efficiency.
The PA1235 features 12 conservatively rated 35-watt power amplifiers. This
permits each PA1235 to drive 6-zones in a multi-zone system, each with a 35 watts/channel stereo
amplifier per zone. The rack mountable low profile design, using a large single multiple filtered power
supply, delivers high quality at a reasonable price.
• IR Controlled Volume Level.
Volume can be ramped from zero output to maximum for individual
channel pairs, or, as group through the Common Bus inputs, using IR volume control commands from
an RC68+ (or RC68). The maximum input sensitivity at full volume is 0.15 volts for rated output (35
Watts/chan.).
•
Local or Common Bus.
Each stereo pair can be fed audio individually via their LOCAL inputs from
differing zones or sources. In addition, a single source can be fed, via the COMMON Bus, to some or
all stereo pairs as desired. This flexibility permits the installer to drive as many as six rooms in stereo
as a single zone system, or six rooms in stereo as a six zone system --- or divide them up for a
combination of both.
•
Volume Setting Capabilities.
The installer has the option of using the volume control of the PA1235
as the sole volume control for a zone or the system, or to adjust the PA1235 volume to a desired fixed
level and use the volume action of a connected preamp instead.
•
Max-V Setting.
This allows the amplifier to be set to deliver a controlled maximum sound level into a
zone when the volume is ramped to maximum. This acts as a volume limiter for the system (e.g. to
prevent the kids from over-driving wall speakers, etc.).
Fig. 1
The Model PA1235
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Summary
® 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 asfollows: - Twelve 35-watt amplifiers - 12 total. - One 150 and ten 35-watt amplifiers - 11 t...
® 3 Amplifiers & Preamplifiers In addition, this switch must be left in the MANUAL OFF (OUT) position to permit an external DCControl Voltage to power the PA1235 ON and OFF. Refer to " REMOTE MASTER ON/OFF CONTROL " terminals, item #13. NOTE: The PA1235 may also be powered ON/OFF with ...
® 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 canbe switched to the COMMON AUDIO BUS at will by use of the COMMON BUS / LOCAL Switch (seealso item #...
