Table Of Contents - Crown POWER-TECH 3 Reference Manual

Important Safety Instructions
1) Read these instructions.
2) Keep these instructions.
3) Heed all warnings.
4) Follow all instructions.
5) Do not use this apparatus near water.
6) Clean only with a dry cloth.
7) Do not block any ventilation openings. Install in
accordance with the manufacturer's instruc-
tions.
8) Do not install near any heat sources such as ra-
diators, heat registers, stoves, or other appara-
tus that produce heat.
9) Do not defeat the safety purpose of the polar-
ized or grounding-type plug. A polarized plug
has two blades with one wider than the other. A
grounding-type plug has two blades and a third
grounding prong. The wide blade or the third
prong is provided for your safety. If the provided
plug does not fit into your outlet, consult an elec-
trician for replacement of the obsolete outlet.
10) Protect the power cord from being walked on or
pinched, particularly at plugs, convenience re-
ceptacles, and the point where they exit from
the apparatus.
11) Only use attachments/accessories specified by
the manufacturer.
12) Unplug this apparatus during lightning storms
or when unused for long periods of time.
13) Refer all servicing to qualified service person-
nel. Servicing is required when the apparatus
has been damaged in any way, such as power-
supply cord or plug is damaged, liquid has
been spilled or objects have fallen into the ap-
paratus, the apparatus has been exposed to
rain or moisture, does not operate normally, or
has been dropped.
Page 4
Power-Tech Series Power Amplifiers
CONTENTS
1 Welcome ................................................... 5
1.1 Unpacking ..................................................................... 5
1.2 Features ........................................................................ 5
2 Installation ................................................. 6
2.1 Stereo 6
2.2 Mono 6
2.3 Input Sensitivity Adjustment ......................................... 8
2.4 Additional Load Protection ........................................... 8
2.5 Required AC Mains ....................................................... 8
3 Operation ................................................... 9
3.1 Precautions ................................................................... 9
3.2 Indicators ...................................................................... 9
3.3 Protection Systems ....................................................... 9
3.3.1 ODEP ................................................................. 9
3.3.2 Ultrasonic and RF Protection ............................. 9
3.3.3 Drive Protection ................................................. 9
3.3.4 Transformer Thermal Protection ...................... 10
3.3.5 Fuses and Circuit Breakers .............................. 10
3.4 Controls ...................................................................... 10
3.5 Filter Cleaning ............................................................ 10
4 Specifications ............................................ 11
5 Accessories ............................................... 17
5.1 MT-XLR ...................................................................... 17
5.2 MT-BB ........................................................................ 17
6 Service .................................................... 18
6.1 Worldwide Service ...................................................... 18
6.2 North American Service .............................................. 18
6.2.1 Service at a North American Service Center .... 18
6.2.2 Factory Service ................................................ 18
Reference Manual