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Type : Condenser (electret bias)
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Polar Pattern : Supercardioid (as supplied), uniform with
frequency, symmetrical about axis. Cartridge for cardioid polar
pattern also available.
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Output Level (at 1,000 Hz) :Open Circuit Voltage: -59
dBV/Pa* (1 mV) typical
*1 Pa = 94 dB SPL
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Maximum SPL
(20 Hz to 20 kHz, less than 1% THD)
2.5 kilohm load: 160 dB
1 kilohm load: 156 dB
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Preamplifier Output Clipping Level
(20 Hz to 20 kHz, less than 1% THD)
2.5 kilohm load: + 6 dBV (2.0 V)
1 kilohm load: + 2 dBV (1.26 V)
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Dynamic Range : (at 20 Hz to 20 kHz, less than 1% THD, 2.5
kilohm load)
125 dB (max SPL minus A-weighted noise)
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Output Noise : 35 dB SPL, A-weighted
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Signal-to-Noise Ratio : 59 dB re 94 dB SPL
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Output Impedance : Rated at 150 ohms (actual). Recommended
minimum load impedance: 1 kilohm
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Hum
Pickup : -7.5 dB equivalent SPL in 1 mOe field (60Hz)
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Polarity : Positive pressure on diaphragm produces positive
voltage on pin 2 with respect to pin 3
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Phantom Power : 48 Vdc +/- 4 Vdc(IEC-268-15/DIN 45 596),
positive pins 2 and 3.
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Cable
BETA 98/S: 7.6 m (25 ft) light-weight, two-conductor shielded, TA4F
to TA3F mini connectors.
BETA 98D/S: 4.6 m (15 ft) heavy-duty, two-conductor shielded, TA4F
to TA3F mini connectors.
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Case
Microphone: Matte black enamel brass case and stainless steel inner
grille
Preamplifier: Matte black enamel finished steel
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Dimensions
Microphone: 11.7 mm X 35.6 mm (0.46 in. X 1.40 in.)
Preamplifier: 20 mm X 99 mm (0.79 in. X 3.89 in.)
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Net
Weight
Microphone: 12 g (0.4 oz) less cable
Preamplifier: 96 g (3.4 oz)