Shure 27C3115 manual Specifications

ENGLISH

SPECIFICATIONS

(measured with a standard test circuit, see Figure 9 on page 33).

RELATIVE RESPONSE IN dB

+20

+10

0

–10

–20

–40

20 50 100 200 500 1,000 2,000 5,000 10,000 20,000

FREQUENCY IN Hz

High Boost Equalization Cap

Mild Boost Equalization Cap

TYPICAL FREQUENCY RESPONSE

FIGURE 8

Type

Condenser (electret bias)

Frequency Response

20 to 20,000 Hz (see Figure 8)

Polar Pattern

Omnidirectional

Recommended Minimum Input Impedance

20 kW

Current Drain

60–130 mA

Polarity

Positive pressure on the diaphragm produces a positive voltage at pin 3 relative to pin 1 at the output connec- tor of the microphone.

Power Requirements

+5 Vdc on pin 2, return on pin 1 (ground)

Output Level

Open Circuit Voltage -54 dBV/Pa

1 Pascal = 94 dB SPL

Maximum Sound Pressure Level

142 dB at 1% THD/1 kW load

Dynamic Range

103 dB

Output Noise

(equivalent SPL, A-weighted) 39 dB typical; 42 dB maximum

Environmental Conditions

Operating Temperatures:

-18_to 57_ C (0_ to 135_ F) Storage Temperatures:

-29_to 74_ C (-20_to 165_ F) Humidity: 0 to 95%

Cable

1.5m (5 ft), small-diameter, shield- ed, with mini 4–pin connector (TA4F), or 3 m (10 ft.) small-diame- ter, shielded, no connector.

Net Weight

Signal-to-Noise Ratio	35.35 g (1.25 oz.) with cable and
55 dB at 94 dB SPL	TA4F connector.

7