Shure 444 User Guide

SPECIFICATIONS

TYpe

CONTROLLED MAGNETIC@

Frequency Response

200 to 6,000 Hz (See Figure 2)

+2 0

-+I0

Y
L
z	0
D
r
5	-10
Y

- 2 0 1	I	I	I	I l l l l l l l	I I I I I I I I I	1 I
PO	w	100		l P 0 0	lO.000	2 o p o o
				FREWENCY IN HERTZ

TYPICAL FREQUENCY RESPONSE

FIGURE 2

Polar Pattern

Omnidirectional

lmpedance (at 1,000 Hz)

Microphone impedance is "High" for connection to high-impedance microphone inputs

Load lmpedance Range

Minimum, 15 kilohms

Recommended, 100 kilohms

Output Level (at 1,000 Hz)

Open Circuit Voltage . . . . . . . . -53.0 dB* (2.25 mV) Loaded with 100,000 ohms . . . -54.0 dB*

*O dB = 1	volt per microbar
Switch
Press-to-Talk	switch-locking	or nonlocking oper-

ation to actuate microphone and an external relay or control circuit

Normal-Vox switch-single-pole double-throw slide switch in microphone base to provide either voiceoperated relay control or Press-to-Talk microphone operation

Cable

Non-detachable 2.lm (7 ft), two-conductor shielded plastic jacketed

Case

Two tone gray ARMO-DUR@

Dimensions

See Figure 3

6 . 4 m m l l I 4 INITRAVEL TO OPERATE SWITCH

..........

OVERALL DIMENSIONS

FIGURE 3

Net Weight
680 grams (1%	Ib)
Packaged Weight
964 grams (2%	Ib)
REPLACEMENT PARTS
Cartridge ....................................		R5R
Cable ....................................		70A293
Screen and Grille Assembly ...............		90A1060
Press-to-Talk Switch ......................		.90A946

GUARANTEE

This Shure product is guaranteed in normal use to be free from electrical and mechanical defects for a period of one year from date of purchase. Please retain proof of purchase date. This guarantee includes all parts and labor. This guarantee is in lieu of any and all other guarantees or warranties, express or implied, and there shall be no recovery for any consequential or incidental damages.

SHIPPING INSTRUCTIONS

Carefully repack the unit and return it prepaid to:

Shure Brothers Incorporated Attention: Service Department 1501 West Shure Drive Arlington Heights, Illinois 60004

If outside the United States, return the unit to your dealer or Authorized Shure Service Center for repair. The unit will be returned to you prepaid.