สเปค

Type :

• Condenser (electret bias)

Frequency Response :

• 20 to 20,000 Hz (measured at 304.8 mm [1 ft] from a spherical sound source, free field conditions)

Polar Pattern :

• Supercardioid (as supplied), uniform with frequency, symmetrical about axis. Cartridge for cardioid polar pattern also available.

Output Level (at 1,000 Hz) :

• Open Circuit Voltage: -59 dBV/Pa* (1 mV) typical  *1 Pa = 94 dB SPL

Maximum SPL :

• (20 Hz to 20 kHz, less than 1% THD) 2.5 kilohm load: 160 dB  1 kilohm load: 156 dB

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)

Dynamic Range :

• (at 20 Hz to 20 kHz, less than 1% THD, 2.5 kilohm load)  125 dB (max SPL minus A-weighted noise)

Output Noise :

• 35 dB SPL, A-weighted

Signal-to-Noise Ratio :

• 59 dB re 94 dB SPL

Output Impedance :

• Rated at 150 ohms (actual)  Recommended minimum load impedance: 1 kilohm

Hum Pickup :

• -7.5 dB equivalent SPL in 1 mOe field (60Hz)

Polarity :

• Positive pressure on diaphragm produces positive voltage on pin 2 with  respect to pin 3:

Phantom Power :

• 48 Vdc +/- 4 Vdc(IEC-268-15/DIN 45 596), positive pins 2 and 3.

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.

Case Microphone :

• Matte black enamel brass case and stainless steel inner grille

Preamplifier :

• Matte black enamel finished steel

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.) Net Weight

Microphone :

• 12 g (0.4 oz) less cable

Preamplifier :

• 96 g (3.4 oz)