Shure KSM109 User Manual download pdf (Page 6)

SPECIFICATIONS

* 20 Hz to 20 kHz;THD < 1%. THD of the microphone preamplifier when applied input signal is

equivalent to the cartridge output at specified SPL.

**S/N ratio is the difference between 94 dB SPL and equivalent SPL of self-noise A-weighted.

Cartridge Type Permanently Biased Condenser

Frequency Response 20-20,000 Hz (see Figure 2)

Directional Polar Pattern Cardioid (see Figure 3)

Output Impedance 150 Ω (actual)

Attenuation Switch 0 dB or 15 dB attenuation

Phantom Power

48 Vdc ± 4 Vdc (IEC-268-15/DIN 45 596),

positive pins 2 and 3

Current Drain 5.2 mA typical at 48 Vdc

Common Mode Rejection ≥ 50 dB, 20 Hz to 20 kHz

Polarity

Positive pressure on diaphragm produces positive

voltage on output pin 2 relative to pin 3

Dimensions and Weight

24 mm (0.95 in.) diameter, 162 mm (6.37 in.) long;

195 grams (6.9 oz.) (see Figure 4)

Sensitivity (typical, at 1000 Hz;

1 Pa = 94 dB SPL)

-41 dBV/Pa

Self-noise

(typical, equivalent SPL;

A-weighted IEC 651)

19 dB

Maximum SPL*

(Attenuator on)

5000 Ω load

2500 Ω load

1000 Ω load

150 (165) dB

144 (159) dB

139 (154) dB

Output Clipping Level*

5000 Ω load

2500 Ω load

1000 Ω load

15 dBV

9 dBV

3 dBV

Dynamic Range

(Attenuator on)

5000 Ω load

2500 Ω load

1000 Ω load

133 (136) dB

128 (130) dB

122 (125) dB

Signal to Noise Ratio** 75 dB

1 2 3 4 5 6 7 8 9 10

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Shure KSM109 User Manual Page 6

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