Shure EZG 18 用户手册

2

Frequency Response (Figure 4)

50 to 17,000 Hz

Polar Pattern (Figure 5)

Cardioid

Output Impedance (at 1 kHz)

Rated at 150 

Ω (

180

 Ω

 actual)

(at 1 kHz, ref. 1 V/Pascal*)

–45.7 dB (5.19 mV)

*1 Pascal = 94 dB SPL

(1 kHz at 1% THD, 1 k

Ω

 load)

129 dB

Equivalent Output Noise
(A-weighted)

29 dB SPL

Signal to Noise Ratio
(referenced to 94 dB SPL)

65 dB

Dynamic Range (at 1 k

Ω

 Load)

100 dB

45 dB minimum

Preamplifier Output Clipping Level (1
kHz at 1% THD, 1 k

Ω

 load)

–12.0 dBV (0.25 V)

Positive sound pressure on dia-
phragm produces positive voltage on
pin 2 relative to pin 3 of output
connector.

11 to 52 Vdc phantom, 2.0 mA

Operating Temperature Range: –18

°

C to 57

°

 C (0

°

 F to 135

°

F)

Relative Humidity: 0 to 95%

Dimensions (Figure 1)

Eligible to bear CE Marking.  Conforms to
European EMC Directive 89/336/EEC.
Meets applicable tests and performance
criteria in European Standard EN55103
(1996) parts 1 and 2, for residential (E1)
and light industrial (E2) environments.

NOTE: For technical data by fax, phone
1-800-488-3297 and follow the recorded
instructions or, on the internet, go to
www.shure.com

REPLACEMENT PARTS
Threaded Flange Mount Kit

A12B

. . 

Foam Windscreen (4)

RPM310

. . . . . 

Flange Mount Kit

RPM640

. . . . . . . . .