Comparison Table for Primo Microphone Capsules

MODEL

Directionality

(Polar Pattern)

SENSITIVITY

0dB=1V/PA

Self Noise

Signal to Noise

Ratio

MAXIMUM

SPL

DIAMETER

(mm)

HEIGHT

(mm)

EM172

Omni

-28.0

14 dB

80 dB

119 dB

10.0

4.5

EM173

Omni

-37.0

14 dB

80 dB

135 dB

10.0

4.5

EM184

Cardioid

-39.0

22 dB

78 dB

122 dB

10.0

4.5

EM264

Cardioid

-37.0

20 dB

74 dB

120 dB

10.0

4.5

EM258

Omni

-32.0

20 dB

74 dB

115 dB

5.8

2.0

EM200

Cardioid

-41.0

16 dB

78 dB

136 dB

14.6

4.5

EM283

Figure Of Eight

-39.0

22 dB

72 dB

122 dB

10.0

4.5

EM23

Omni

-40.0

Above 70 dB

21.0

13.5

Panasonic

WM61A**

Omni

-35 dB

32 dB

62 dB

-

** Please not that we no longer stock the Panasonic WM61A and it is no longer manufactured. We feature the specification here purely for reference.
The Primo EM258 is a better specified replacement for the Panasonic WM61A.