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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 difference between 94 dB SPL and equivalent SPL of self-noise A-weighted.
Cartridge Type Externally biased condenser
Frequency Response 20 to 20,000 Hz
(See Figures 4, 6, 8)
Output Impedance 150 Ω (actual)
Attenuation Switch 0 or 15 dB attenuation
Low Frequency Response
Switch
Flat; -6 dB/octave below 115 Hz; -18 dB/octave below
80 Hz
Phantom Power
48 Vdc ± 4 Vdc (IEC-268-15/DIN 45 596),
positive pins 2 and 3
Current Drain 5.4 mA typical at 48 Vdc
Common Mode Rejection ≥50 dB, 20 Hz to 20 kHz
Polarity Positive pressure on front diaphragm produces
positive voltage on output pin 2 relative to pin 3
Directional Polar Patterns Cardioid
(See Figure 5)
Omnidirectional
(See Figure 7)
Bidirectional
(See Figure 9)
Sensitivity
(typical; at 1000 Hz; 1 Pa = 94 dB SPL)
-31 dBV/Pa -37 dBV/Pa -36 dBV/Pa
Self-noise
(typical, equivalent SPL; A-weighted, IEC 651)
7 dB 10 dB 10 dB
Maximum SPL @ 1000 Hz
2500 Ω load (Attenuator on)
1000
Ω load (Attenuator on)
132 (149) dB
127 (144) dB
138 (151) dB
132 (145) dB
137 (150) dB
131 (144) dB
Output Clipping Level*
2500 Ω load
1000
Ω load
7 dBV
1 dBV
7 dBV
1 dBV
7 dBV
1 dBV
Dynamic Range
2500 Ω load
1000
Ω load
125 dB
120 dB
128 dB
122 dB
127 dB
121 dB
Signal to Noise ratio** 87 dB 84 dB 84 dB
Dimensions and Weight
55.9 mm (2.20 in.) maximum body diameter, 187 mm
(7.37 in.) long; 490.5 grams (17.30 oz). See Figure 10.