Shure U2/Beta58

Beschrijving

RF Carrier Frequency Range: | 782-806 MHz | Working Range | U1: 152.4 m (500 ft) minimum, under typical conditions; 487.6 m (1600 ft ) line of sight | U1H: 300 m (1000 ft.) minimum, under typical conditions; 975.2 m (3200 ft) line of sight | Audio Frequency Response: | 50 to 15,000 Hz, _2 dB. | Gain Adjustment Range | U1, U1H: 0 to 40 dB | U2: 0 to 26 dB | Modulation: | _45 kHz deviation compressor-expander system with pre-and de-emphasis | RF Power Output | U1, U2: 10 mW maximum | U1H: 100 mW maximum | Dynamic Range: | >102 dB, A-weighted | Image Rejection: | 90 dB typical | Spurious Rejection: | 75 dB typical | Ultimate Quieting (ref. 45 kHz deviation): | >100 dB, A-weighted | Audio Polarity: | Positive pressure on microphone diaphragm (or positive voltage applied to tip of WA302 phone plug) produces positive voltage on pin 2 with respect to pin 3 of low impedance output and the tip of the high impedance 1/4-inch output | System Distortion (ref. ±45 kHz deviation, 1 kHz modulation): | 0.3% Total Harmonic Distortion typical | Power Requirements: | U1, U1A, U2: 1.5V AA alkaline battery; Nicad optional | U4: 90 to 230 Vac, 50/60 Hz | Power Consumption | U4S: 9.6 W min., 13.2 W max. | U4D: 12 W min.,16 W max. | UA840: 15 W min., 16 W max. | Battery Life (Typical): | U1, U2: 12 hours (with 1.5V AA alkaline battery) | U1H: 6 hours (with 1.5V AA alkaline battery) | Operating Temperature Range: | -20_ to 50_ C | Overall Dimensions: | U1, U1A: 98.4 mm L x 64.7 mm W x 24.6 mm D | U2/58:254 mm L x 50.8 mm Dia. | U2/BETA 58: 254 mm L x 53.2 mm Dia. | U2/87:228.6 mm x 49.2 mm Dia. | U2/BETA 87: 216 mm L x 50.8 mm Dia. | U4S/U4D: 44.5 mm H x 482.6 mm W x 295.3 mm D | Net Weight | U1, U1A: 175.2 g without battery | U2/58, U2/BETA 58: 375.6 g without battery | U2/87, U2/BETA 87: 303.1 g without battery | U4S: 3.30 kg | U4D: 3.85 kg