\r\r| \r技術(shù)規(guī)格\r<\/td>\r<\/tr>\r |
\r| \rRF Carrier Frequency Range\r<\/td>\r | \r470.000 to 865.000 MHz (Available frequencies depend on
\rthe applicable regulations in the country where the system is used). Refer to
\rthe frequency supplement supplied with the system.\r<\/td>\r<\/tr>\r |
\r| \r<\/td>\r<\/tr>\r |
\r| \rEffective Range\r<\/td>\r | \r100 m (300 ft.) under optimal conditions\r<\/td>\r<\/tr>\r |
\r\rNOTE: Actual working range depends on RF signal
\rabsorption, reflection, and interference\r<\/td>\r<\/tr>\r |
\r| \r<\/td>\r<\/tr>\r |
\r| \rAudio Frequency Response\r<\/td>\r | \r25 to 15,000 Hz, ±2 dB\r<\/td>\r<\/tr>\r |
\r\rNOTE: Overall system frequency response depends
\ron the microphone element.\r<\/td>\r<\/tr>\r |
\r| \r<\/td>\r<\/tr>\r |
\r| \rTransmitter Audio Polarity\r<\/td>\r | \rPositive pressure on microphone diaphragm (or positive
\rvoltage applied to tip of WA302 phone plug) produces positive voltage on pin 2
\r(with respect to pin 3 of low impedance output) and the tip of the high
\rimpedance 1/4-inch output\r<\/td>\r<\/tr>\r |
\r| \r<\/td>\r<\/tr>\r |
\r| \rTransmitter Gain Adjustment Range\r<\/td>\r | \rULX1: 25 dB\r<\/td>\r<\/tr>\r |
\r| \rULX2: 25 dB\r<\/td>\r<\/tr>\r |
\r| \r<\/td>\r<\/tr>\r |
\r\rReceiver Audio Output Level (±38 kHz deviation,
\r1 kHz tone)\r<\/td>\r | \rXLR connector (into 600 ohm load): +3.9 dBV (line), –17
\rdBV (mic)\r<\/td>\r<\/tr>\r |
\r| \r1/4 inch connector (into 3000 ohm load): –2 dBV\r<\/td>\r<\/tr>\r |
\r| \r<\/td>\r<\/tr>\r |
\r| \rImpedance\r<\/td>\r | \rULX1 (input): 1 Megohm ULXS4, ULXP4 (output): 50 ohms at
\rline level; 2000 ohms at mic level\r<\/td>\r<\/tr>\r |
\r| \r<\/td>\r<\/tr>\r |
\r| \rModulation\r<\/td>\r | \r±38 kHz deviation compressor-expander system with pre- and
\rde-emphasis.\r<\/td>\r<\/tr>\r |
\r| \r<\/td>\r<\/tr>\r |
\r| \rRF Power Output\r<\/td>\r | \rULX1, ULX2: 30 mW maximum\r<\/td>\r<\/tr>\r |
\r| \r<\/td>\r<\/tr>\r |
\r| \rDynamic Range\r<\/td>\r | \r>100 dB, A-weighted\r<\/td>\r<\/tr>\r |
\r| \r<\/td>\r<\/tr>\r |
\r| \rRF Sensitivity\r<\/td>\r | \r1.26 μV for 12 dB SINAD (typical)\r<\/td>\r<\/tr>\r |
\r| \r<\/td>\r<\/tr>\r |
\r| \rImage Rejection\r<\/td>\r | \r80 dB typical\r<\/td>\r<\/tr>\r |
\r| \r<\/td>\r<\/tr>\r |
\r| \rSpurious Rejection\r<\/td>\r | \r75 dB typical\r<\/td>\r<\/tr>\r |
\r| \r<\/td>\r<\/tr>\r |
\r| \rUltimate Quieting (reference ±38 kHz deviation)\r<\/td>\r | \r>105 dB, A-weighted\r<\/td>\r<\/tr>\r |
\r| \r<\/td>\r<\/tr>\r |
\r\rSystem Distortion (reference ±38 kHz deviation,1 kHz
\rmodulation)\r<\/td>\r | \r0.3% total harmonic distortion, typical\r<\/td>\r<\/tr>\r |
\r| \r<\/td>\r<\/tr>\r |
\r| \rPower Requirements\r<\/td>\r | \rULX1, ULX2: 9V alkaline battery; 8.4 V Nicad
\roptional\r<\/td>\r<\/tr>\r |
\r\rULXS4, ULXP4: 14 - 18 Vdc (negative ground), 550
\rmA\r<\/td>\r<\/tr>\r |
\r| \r<\/td>\r<\/tr>\r |
\r| \rBattery Life\r<\/td>\r | \r8 to 9 hours (with 9V alkaline battery)\r<\/td>\r<\/tr>\r |
\r| \r<\/td>\r<\/tr>\r |
\r| \rOperating Temperature Range\r<\/td>\r | \r- 20° to 49° C (- 4° to 120° F)\r<\/td>\r<\/tr>\r |
\r\rNOTE: Battery characteristics may limit this
\rrange.\r<\/td>\r<\/tr>\r |
\r| \r<\/td>\r<\/tr>\r |
\r| \rOverall Dimensions\r<\/td>\r | \rULX1: 96.5 mm H x 67 mm W x 26.7 mm D (3.86 x 2.68 x 1.10
\rin.)\r<\/td>\r<\/tr>\r |
\r| \rULX2/SM58: 228.6 L x 51 mm Dia. (9 x 2 in)\r<\/td>\r<\/tr>\r |
\r\rULX2/BETA 58: 220.9 mm L x 51 mm Dia. (8.7 x 2
\rin.)\r<\/td>\r<\/tr>\r |
\r\rULX2/SM86: 213 mm L x 49 mm Dia. (8.4 in x 1.9
\rin)\r<\/td>\r<\/tr>\r |
\r\rULX2/87, ULX2/BETA 87: 223.5 mm L x 51 mm Dia. (8.8 x 2
\rin.)\r<\/td>\r<\/tr>\r |
\r\rULX4S: 43 mm H x 214 mm W x 163 mm D (1.72 in. x 8.56 in.
\rx 6.52 in.)\r<\/td>\r<\/tr>\r |
\r\rULX4P: 43 mm H x 214 mm W x 172 mm D (1.72 in. x 8.56 in.
\rx 6.88 in.)\r<\/td>\r<\/tr>\r |
\r| \r<\/td>\r<\/tr>\r |
\r| \rNet Weight\r<\/td>\r | \rULX1: 79 g (2.8 oz.) without battery\r<\/td>\r<\/tr>\r |
\r\rULX2/58, ULX2/BETA 58: 289 g (10.2 oz.) without
\rbattery\r<\/td>\r<\/tr>\r |
\r| \rULX2/SM86: 251 g (8.8 oz.) without battery\r<\/td>\r<\/tr>\r |
\r\rULX2/87, ULX2/BETA 87: 258 g (9.1 oz.) without
\rbattery\r<\/td>\r<\/tr>\r |
\r| \rULXS4: 1049 g (2 lbs, 5 oz.)\r<\/td>\r<\/tr>\r |
\r| \rULXP4: 1105 g (2 lbs, 7 oz.)\r<\/td>\r<\/tr>\r<\/tbody>\r<\/table><\/div>
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