BETA 57A wired microphone
Type:Dynamic
Frequency Response: 40 to 15,000 Hz
Polar Pattern: Cardioid
Sensitivity(at 1,000 Hz Open Circuit Voltage):–54.5 dBV/Pa (1.85 mV) 1 Pa = 94 dB SPL
Impedance: Rated impedance is 150Ω (300Ω actual) for connection to microphone
inputs rated low impedance
Polarity: Positive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3
Case: Dark gray, enamel-painted, die cast metal; matte-finished, silver
colored, spherical steel mesh grille
Connector: Three-pin professional audio connector (male XLR type)
Net Weight: 284grams
Dimensions: 162 mm (6-3/8 in.) L x 51 mm (2 in.) W
Type:Dynamic
Frequency Response: 40 to 15,000 Hz
Polar Pattern: Cardioid
Sensitivity(at 1,000 Hz Open Circuit Voltage):–54.5 dBV/Pa (1.85 mV) 1 Pa = 94 dB SPL
Impedance: Rated impedance is 150Ω (300Ω actual) for connection to microphone
inputs rated low impedance
Polarity: Positive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3
Case: Dark gray, enamel-painted, die cast metal; matte-finished, silver
colored, spherical steel mesh grille
Connector: Three-pin professional audio connector (male XLR type)
Net Weight: 284grams
Dimensions: 162 mm (6-3/8 in.) L x 51 mm (2 in.) W