Table Of Contents - Crown CTs 4200 Operation Manual

Table of Contents

Important Safety Instructions ....................................................... 2
Declaration of Conformity ............................................................ 3
1 Welcome ..................................................... 5
1.1 Features ............................................................................ 5
2 How to Use This Manual ................................... 5
3 Setup ......................................................... 6
3.1 Unpack Your Amplifier ...................................................... 6
3.2 Install Your Amplifier ......................................................... 6
3.3 Ensure Proper Cooling ...................................................... 6
3.4 Choose Input Wire and Connectors ................................... 7
3.5 Choose Output Wire and Connectors ................................ 7
3.6 Wire Your System .............................................................. 8
3.6.1 Dual 8/4 Mode .......................................................... 8
3.6.2 Dual 70V Mode ......................................................... 8
3.6.3 Bridge-Mono 16/8 Mode .......................................... 9
3.6.4 Bridge-Mono 100V Mode ......................................... 9
3.7 Connect to AC Mains ........................................................ 10
3.8 Startup Procedure ............................................................. 10
4 Operation .................................................... 11
4.1 Precautions ....................................................................... 11
4.2 Front Panel Controls and Indicators .................................. 12
4.3 Back Panel Controls and Connectors ................................ 13
5 Advanced Features and Options .......................... 14
5.1 Protection Systems ........................................................... 14
5.1.1 Thermal Level Control (TLC) ..................................... 14
5.1.2 Fault .......................................................................... 14
5.1.3 Fault Isolation Topology (FIT) .................................... 14
5.1.4 35-Hz High-Pass Filter .............................................. 14
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CTs Power Amplifiers
5.1.5 AC Under-/Over-Voltage Protection ........................... 14
5.1.6 Power Fuse ............................................................... 14
5.1.7 Inrush Limiting .......................................................... 14
5.1.8 Variable-speed Fans .................................................. 14
5.2 Advanced Features ............................................................ 14
5.2.1Switching Power Supply ............................................ 14
5.2.2 Mode Switch ............................................................. 14
5.2.3 Bridge Mode Indicator ............................................... 14
5.2.4 Channel Level Control ............................................... 15
5.3 Options ............................................................................. 16
5.3.1 Control Modules ....................................................... 16
5.3.2 Input Sensitivity ........................................................ 16
6 Troubleshooting ............................................ 17
7 Specifications .............................................. 19
8 AC Power Draw and Thermal Dissipation ............... 23
9 Service ....................................................... 25
9.1. International and Canada Service ..................................... 25
9.2 US Service ........................................................................ 25
9.2.1 Service at a US Service Center ................................... 25
9.2.2 Factory Service ......................................................... 25
9.2.3 Factory Service Shipping Instructions ........................ 25
9.2.4 Packing Instructions .................................................. 25
9.2.5 Estimate Approval ...................................................... 25
9.2.6 Payment of Non-Warranty Repairs.............................. 25
10 Warranty ................................................... 27
Product Registration Form ............................................................ 29
Factory Service Information Form ................................................ 31
Operation Manual
CTs Power Amplifiers
CTs 4200
Maximum Average Power
Dual
in watts with 0.1% THD.
4 Channels Driven 1 kHz 20 Hz-20 kHz
4-ohm (per ch.) 260W 215W
8-ohm (per ch.) 180W 190W
70V (per ch.) 220W 220W *
1 Channel Driven 1 kHz 20 Hz-20 kHz
4-ohm (per ch.) 270W 225W
8-ohm (per ch.) 220W 210W
70V (per ch.) 250W 245W *
Bridge-Mono
2 Channel-Pairs Driven 1 kHz 20 Hz-20 kHz
8-ohm (per ch. pair) 520W 430W
16-ohm (per ch. pair) 400W 380W
100V (per ch. pair) 220W 220W *
1 Welcome
1 Channel-Pair Driven 1 kHz 20 Hz-20 kHz
8-ohm (per ch. pair) 560W 450W
Building on the foundation of the Com-Tech
16-ohm (per ch. pair) 440W 420W
Series, Crown's CTs Series offers new flexibility
100V (per ch. pair) 250W 245W *
and value for installed sound applications. The
* Constant Voltage full bandwidth power ratings support
Com-Tech Series were the first to offer
100Hz - 20kHz due to automatic High-Pass Filters.
inde pendent selection of high- and low-
impedance operation for a specific channel, and
CTs Series amplifiers continue that tradition,
with power levels and features carefully chosen
CTs 8200 to perfectly integrate into fixed install design
requirements.
Maximum Average Power
Dual in watts with 0.1% THD.
Modern power amplifiers are sophisticated
8 Channels Driven 1 kHz 20 Hz-20 kHz
pieces of engineering capable of producing
4-ohm (per ch.) 200W 175W
extremely high power levels. They must be
8-ohm (per ch.) 160W 155W
treated with respect and correctly installed if
*
70V (per ch.) 200W 185W
they are to provide the many years of reliable
1 Channel Driven 1 kHz 20 Hz-20 kHz
service for which they were designed.
4-ohm (per ch.) 270W 230W
In addition, CTs Series amplifiers include a
8-ohm (per ch.) 220W 220W
number of features which require some
70V (per ch.) 250W 230W *
expla nation before they can be used to their
Bridge-Mono
maxi mum advantage.
4 Channel-Pairs Driven 1 kHz 20 Hz-20 kHz
Please take the time to study this manual so that
8-ohm (per ch. pair) 400W 350W
you can obtain the best possible service from
16-ohm (per ch. pair) 320W 310W
your amplifier.
100V (per ch. pair) 200W 185W *
1 Channel-Pair Driven 1 kHz 20 Hz-20 kHz 1.1 Features
8-ohm (per ch. pair) 540W 460W
• New Crown Switching Power Supply for
®
16-ohm (per ch. pair) 440W 440W
reduced weight.
100V (per ch. pair) 250W 230W *
* Constant Voltage full bandwidth power ratings support
100Hz - 20kHz due to automatic High-Pass Filters.
Operation Manual
• High power-density, with eight channels in • Proven Crown AB+B Multi-Mode ® output
a 3U chassis and four channels in a 2U topology.
chassis.
® • Continuously-variable-speed fans
• Selectable constant-voltage (70V/100V) or opti mize cooling efficiency.
low-impedance (8/4 ohm) operation for
• Three Year, No-Fault, Fully-Transferable
each channel pair.
Warranty completely protects your
• FIT (Fault Isolation Topology) circuitry invest ment and guarantees its
isolates faults within affected channels. specifications.
• 35 Hz High-Pass Filter (70 Hz in CTs 4200) 2 How to Use This
is automatically inserted when the channel
Manual
pair is set for constant-voltage operation.
(corner frequency may be changed as a
service option).
This manual provides you with the necessary
• Accepts VC-MC accessory module that information to safely and correctly setup and
operate your amplifier. It does not cover every
tailors the amplifier for remote VCA level
aspect of installation, setup or operation that
control.
might occur under every condition. For
• Comprehensive array of indicators
addi tional information, please consult Crown's
includ ing Power and Data, along with
Amplifier Application Guide (available online at
Bridge, Ready, Signal, Clip, Thermal and
www.crownaudio.com), Crown Tech Support,
Fault for each channel, provide accurate
your system installer or retailer.
diagnos tics.
We strongly recommend you read all
• Blue Power Indicator flashes if the
instruc tions, warnings and cautions contained
ampli fier shuts off due to an under-/over-
in this manual. Also, for your protection, please
voltage condition on the AC mains.
send in your warranty registration card today, or
reg ister online at www.crownaudio.com. And
• Advanced protection circuitry guards
save your bill of sale-it's your official proof of
against: shorted outputs, open circuits,
pur chase.
DC, mismatched loads, general
overheat ing, under-/over-voltage, high-
frequency overloads and internal faults.
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