KSM 137 Specification
Cartridge Type | Electret Condenser | ||
Polar Pattern | Cardioid | ||
Frequency Response | 20 to 20,000 Hz | ||
Senstivity
Open circuit voltage, @ 1 kHz, typical |
-37 dBV/Pa (14.1 mV)
1 Pa = 94 dB SPL |
||
Maximum SPL(1 kHz @ 1% THD) | No Pad
145 dB 139 dB 134 dB |
-25 dB Pad
170 dB 164 dB 159 dB |
|
Signal-to-noise ratio
A-weighted |
80 dB | ||
Dynamic Range (@ 1 kHz) | 5000 ohms load:
2500 ohms load: 1000 ohms load: |
131 dB
125 dB 120 dB |
|
Clipping Level
(20 Hz – 20 kHz, 1% THD) |
5000 ohms load:
2500 ohms load: 1000 ohms load: |
15 dBV
9 dBV 3 dBV |
|
Self Noise
equivalent SPL, A-weighted, typical |
14 dB | ||
Common Mode Rejection (10 to 100,000 Hz) | ≥50 dB | ||
Switch | Attenuator: 0, −15, −25 dB
Low Frequency Filter: flat; -6 dB/octave below 115 Hz; -18 dB/octave below 80 Hz |
||
Connector | Three-pin Professional Audio (XLR), male, balanced | ||
Polarity | Positive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3 | ||
Power Requirements | 11-52 VDC phantom power (IEC-61938)
4.7 mA, maximum |
||
Net Weight | 100 g (3.5 oz.) | ||