Shure 450 User Manual download pdf (Page 2)

TRANSMIT/MONITOR SWITCH CONVERSION KIT

When the optional split-bar Transmit/Monitor Switch Conver-

sion Kit is installed, the Monitor bar must be depressed before

the Transmit switch can be depressed, requiring the operator

to verify that the channel is open before transmitting. The

Monitor bar can be locked in the “on” position. The Transmit

bar is momentary and cannot be locked.

NOTE: Transceiver wiring information must be obtained from

the transceiver schematic and/or the manufacturer.

SPECIFICATIONS

Type

Dynamic

Frequency Response

200 to 5,000 Hz (see Figure 2)

TYPICAL FREQUENCY RESPONSE

FIGURE 2

Polar Pattern

Omnidirectional

Impedance (at 1,000 Hz)

High Impedance: 30,000 Ω

Low Impedance: 225 Ω

Recommended Load Impedance

High Impedance: 100,000 Ω

Low Impedance: 1,000 Ω

Output Level (at 1,000 Hz, Open Circuit Voltage)

High Impedance Low Impedance

–35.0 dBV/Pa* –57.0 dBV/Pa*

(17.8 mV) (1.4 mV)

*1 Pa = 94 dB SPL

Switches

Locking Press-to-Talk Switch: Activates microphone cir-

cuit and an external relay or control circuit. The micro-

phone circuit is normally shorted.

Impedance Selection Switch: Double-pole, double-throw

slide switch located in the base of the microphone.

Cable

2.1 m (7 ft.) four-conductor, two conductors shielded,

non-detachable

Case

Two-tone gray ARMO-DUR

OVERALL DIMENSIONS

FIGURE 3

Net Weight

737 grams (1 lb., 10 oz.)

Shipping Weight

1020 grams (2 lb., 4 oz.)

Certification

Conforms to European Union directives, eligible to bear

CE marking; meets European Union EMC Immunity Re-

quirements (EN 50082–1, 1992).

REPLACEMENT PARTS

Cartridge R96. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Cable C31C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

On/Off Switch RK141S. . . . . . . . . . . . . . . . . . . . . . . . . . . .

OPTIONAL ACCESSORIES

Transmit/Monitor Split-Bar Switch Kit RK199S. . . . . . . .

SHURE Incorporated http://www.shure.com

United States, Canada, Latin America, Caribbean:

5800 W. Touhy Avenue, Niles, IL 60714-4608, U.S.A.

Phone: 847-600-2000 U.S. Fax: 847-600-1212 Intl Fax: 847-600-6446

Europe, Middle East, Africa:

Shure Europe GmbH, Phone: 49-7131-72140 Fax: 49-7131-721414

Asia, Pacific:

Shure Asia Limited, Phone: 852-2893-4290 Fax: 852-2893-4055

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