Sony WRT-847B 66/68 Handheld Microphone Transmitter,demanding situations require flexibility, reliability, clean and intelligible audio and freedom from drop-outs and bursts of noise. The WRT-847B interchangeable-head handheld transmitter is designed to be the work horse transmitter. With its variety of five types of dynamic and condenser heads, it is the most flexible handheld wireless transmitter available. WRT-847B/67 operates on TV bands 67 to 69. General Specifications | Detail: | | Oscillator | Crystal controlled PLL synthesizer | | Type of emission | F3E | | RF power output | 10 mW/50 mW selectable: 50 Ohm load | | Tone signal | 32.768 kHz | | Type of antenna | 1/4 wave length whip | | Pre-emphasis | | | Frequency response | 50 Hz to 15 kHz | | System dynamic range | 96 dB or more (101 dB typical) | | Headroom | 36 dB at +/-5 kHz deviation at 1 kHz modulation | | Signal to noise ratio | 60 dB or more: (A-weighted, modulation frequency 1 kHz, with +/-5 kHz devation.) | | Audio gain control | -12/-9/-3/0/3/6/9 dB: (in 3 dB steps) | | Max. input level | -7 dBV: (at audio gain -12 dB) | | Max. input sound pressure level | 142 dB SPL: With CU-F780/G780/E700/F117 at audio gain -12 dB | | Power requirements | DC 3.0 V: Two LR6 AA-size alkaline batteries | | Battery life | Approx. 8 hours at 25 Degrees C with Sony LR6 alkaline batteries, at 10 mW RF output | | Dimensions | 37 x 37 x 150 mm without two antenns | | Mass | Approx. 150 g without batteries |
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