With robust construction and unobtrusive appearance, the PRO 45 and PRO 45W offer versatile sound-reinforcement solutions for speech, theater, orchestra and choir sound reinforcement and recording. The microphones’ high-SPL handling is perfect for suspension over choirs and orchestras. Available in two colors: Black (PRO 45); white (PRO 45W).
ELEMENT | Fixed-charge back plate, permanently polarized condenser |
POLAR PATTERN | Cardioid |
FREQUENCY RESPONSE | 70-16,000 Hz |
OPEN CIRCUIT SENSITIVITY | -37 dB (14.1 mV) re 1V at 1 Pa |
IMPEDANCE | 100 ohms |
MAXIMUM INPUT SOUND LEVEL | 134 dB SPL, 1 kHz at 1% T.H.D. |
DYNAMIC RANGE (typical) | 106 dB, 1 kHz at Max SPL |
SIGNAL-TO-NOISE RATIO | 66 dB, 1 kHz at 1 Pa |
PHANTOM POWER REQUIREMENTS | 9-52V DC, 2 mA typical |
WEIGHT | 0.5 oz (15 g) |
DIMENSIONS | 2.24" (56.9 mm) long, 0.47" (12.0 mm) head diameter |
OUTPUT CONNECTOR | 3-pin XLRM-type on cable |
CABLE | 25' (7.6 m) long, permanently attached |
ACCESSORIES FURNISHED | AT8146 windscreen; steel hanger |
AUDIO-TECHNICA CASE STYLE | M21 |