Crown PIP-4622 Manuel d'utilisateur télécharger pdf (Page 24)

CINEMA

www.crownaudio.com

Other Applications:

Regulatory Certifications:

System Solutions:

IQ-MC4: IQ module for CTs 4200;

IQ-MC8: IQ module for CTs 8200;

VCA-MC4: VCA module for CTs 4200;

VCA-MC8: VCA module for CTs 8200.

IQ modules allow remote monitoring and control.

VCA modules allow remote volume control.

Accessories:

Wall-mount level control panels for use with VCA module:

1-VCAP: 1-gang panel with 1 VCA channel volume control;

4-VCAP: 2-gang panel with 4 VCA channel volume controls.

Specifications

Performance

Frequency Response (at 1 watt) 20 Hz to 20 kHz: ±0.5 dB.

Phase Response (at 1 watt) 10 Hz to 20 kHz: ±35°.

Signal-to-Noise Ratio, unweighted, below rated power

(20 Hz to 20 kHz): 100 dB.

Total Harmonic Distortion (THD) at full rated power, from 20 Hz to 20

kHz: < 0.1%.

Intermodulation Distortion (IMD) 60 Hz and 7 kHz at 4:1, from 163 milli-

watts to full bandwidth power: < 0.05% (typical).

Damping Factor, 10 Hz to 400 Hz: >180.

Crosstalk (below rated power, 20 Hz to 1 kHz): > 80 dB.

Voltage Gain (at maximum level setting) 1.4V sensitivity

8/4-ohm operation: 20:1 (26 dB).

70V operation: 50:1 (34 dB).

100V operation: 71.4:1 (37 dB).

Common Mode Rejection (CMR) (20 Hz to 1 kHz, typical): > 50 dB.

DC Output Offset (Shorted input): < 5 mV.

Maximum Input Level before input compression: + 20 dBu.

Power

Load Impedance: Safe with all types of loads.

Stereo: 4/8 and 25 ohms (70V) .

Mono: 8/16 and 50 ohms (100V).

Required AC Mains: 120VAC, 60 Hz and 220/230/240VAC, 50 Hz.

Power Draw at Idle (120VAC mains, all channels in 4/8 ohm mode):

70W.

Front Panel Indicators:

Bridge Mode, Ready, Signal, Clip, Thermal, Fault, Data, Power.

Back Panel Controls and Connectors:

Power Cord Connector: IEC.

Reset Switch: Resets the power circuit breaker.

Channel Level Controls: 21-position detented, one per channel.

Level Attenuation: Minus infinity (–70 dB) to 0 dB gain.

35-Hz High-Pass Filter: A fixed 35-Hz highpass filter per channel pair is

automatically inserted when the mode switch is set to either of the

constant-voltage settings. The high-pass filter corner frequency can be

set to 70 Hz, or bypassed, with a service option.

Mode Switch: Used on each consecutive pair of channels, this four-posi-

tion switch is used to select the amplifier’s mode of operation: Dual

8/4 ohms, Dual 70V, Bridge-Mono 16/8 ohms,and Bridge-Mono 100V.

Input/Output

Input Connectors: Removable Phoenix™-style barrier connectors for bal-

anced input.

Input Impedance: (nominally balanced, nominally unbalanced):

20 k ohms, 10 k ohms.

Output Connectors: One four-pole touch-proof terminal strip for every two

channels, with touch-proof cover. Accepts up to 10 AWG terminal

forks.

DC Output Offset (shorted input): < 2 millivolts.

Protection

CTs Multi-channel Series amplifiers provide extensive protection and

diagnostic capabilities, including Thermal Level Control (TLC), Junction

Temperature Simulation (JTS), fault, FIT protected circuitry, AC under/over

voltage protection, power fuse, and inrush limiting.

Construction

Ventilation: Front-to-rear forced airflow. Two continuously variable speed

fans direct the airflow through the amplifier for cooling.

Dimensions

CTs 4200: EIA Standard 19-inch (48.3-cm) rack mount width (EIA RS-

310-B), 3.5-inch (8.9-cm) height and 16.25-inch (41.3-cm) depth

behind the mounting surface.

CTs 8200: EIA Standard 19-inch (48.3-cm) rack mount width (EIA RS-

310-B), 5.25-inch (13.3-cm) height and 16.25-inch (41.3-cm) depth

behind the mounting surface.

Weight

Net Weight

CTs 4200: 27 lb 8 oz (12.5 kg);

CTs 8200: 36 lb 6 oz (16.5 kg);

Shipping Weight

CTs 4200: 32 lb (14.5 kg).

CTs 8200: 47 lbs. (21.3 kg);

Crown’s CTs Multi-channel Series offers wide flexibility for a wide

range of installed sound applications. CTs Multi-channel Series

amplifiers offer independent selection of high-and low-impedance

operation for each channel pair, making these amps ideal for

multi-zone installations. New Crown MC accessory modules pro-

vide enhanced control, monitoring, and system integration, includ-

ing IQ System compatibility.

Accessories (cont.):

T-170V: This is an autoformer that allows 100V output from the CTs

8200, and allows other amplifiers without direct constant voltage out-

put to be easily integrated into distributed systems.

TP-170V: This is a rack-mountable panel with four autoformers as

described above.

FLEXIBILITY

AMPLIFIERS — Cinema

CTs Multi-channel Series: The New Standard

CTs 4200

CTs 8200

Features

• High power density: Four channel model in a 2U

chassis, eight channel model in a 3U chassis.

• New Crown Switching Power Supply for lighter

weight.

• Selectable “Constant-Voltage” or low-impedance

(4/8 ohm) operation per channel-pair.

• 100V direct outputs.

• New “FIT” (Fault Isolation Topology) design isolates

fault conditions without affecting neighboring chan-

nels.

• Accept new MC accessory modules.

Power Output*

All channels driven 1 channel driven All channel pairs driven 1 channel pair driven

4-ohm Dual 8-ohm Dual 70V Dual 4-ohm Dual 8-ohm Dual 70V Dual 8-ohm Bridge 16-ohm Bridge 100V Bridge 8-ohm Bridge 16-ohm Bridge 100V Bridge

(per ch) (per ch) (per ch) (per ch) (per ch) (per ch) (per ch pair) (per ch pair) (per ch pair) (per ch pair) (per ch pair) (per ch pair)

CTs 4200 260W 200W 220W

‡

270W 220W 250W

‡

520W 400W 220W

‡

560W 440W 250W

‡

CTs 8200 200W 160W 200W

‡

270W 220W 250W

‡

400W 320W 200W

‡

540W 440W 250W

‡

*Maximum average power in watts at 1 kHz at 0.1% THD.

‡Constant Voltage full-bandwidth power ratings support 100 Hz to 20 kHz due to automatic high-pass filters.

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Crown PIP-4622 Manuel d'utilisateur Page 24

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