Микрофонная радиосистема Shure PGXD14/BETA98H Digital Wireless System with Beta 98H/C Mic

PGXD1 transmitter
Audio input level: +10 dBV maximum, at minimum gain setting -16 dBV maximum, at maximum gain
Gain adjustment range: 26dB
Input impedance: 1 Mohm
RF Output Level: 10 mW maximum (dependent on applicable country regulations)
Dimensions (HxWxD): 108 x 64 x 19 mm (4.25" x 2.50" x 0.75")
Weight: 128 g (4.5 oz.) without batteries
Housing: Molded polycarbonate case
Power requirements
Battery Life: Up to 10 hours
PGXD4 receiver
Dimensions (HxWxD): 40 x 181 x 104 mm (1.6" x 7.125" x 4.1")
Weight: 289 g (10.2 oz.)
Housing: ABS
Audio Output Level (ref. ±38kHz deviation, 1kHz tone): XLR connector (into 3,000 ohm load): –2.5dBV 1/4" connector (into 10,000 ohm load): +10 dBV
Impedance:
XLR: 50 ohm
1/4": 50 ohm
Sensitivity: –102 dBm @ 10-5 BER
Image rejection: > 70dB, typical
XLR output:
Impedance balanced Pin 1: Ground (cable shield)
Pin 2: Audio
Pin 3: No Audio
Audio LED:
Red: 2dB below clip
Amber: 12dB below clip
Green: 50dB below clip
Power Requirements: 12-18 VDC at 150 mA, supplied by external power supply
Pin Assignments: XLR: 1 = ground, 2 = hot, 3 = cold 6.35 mm (1/4") TRS: Tip = audio, Ring = no audio, Sleeve = ground
BETA 98H/C
Type: Condenser (electret bias)
Frequency response: 20 to 20,000Hz
Polar pattern: Unidirectional (cardioid)
Output impedance: Rated at 150 ohm (actual)
Recommended minimum load impedance: 1 kohm (May be used with loads as low as 150 ohm with reduced clipping level
Output Level (0 dB = 1 volt per Pascal):
Open Circuit Voltage: -56dB (1.6mV)
Output Clipping Level (at 1kHz, THD < 1%):
2.5 kohm load: 11dBV (3.5V)
1 kohm load: 3dBV (1.4 V)
Maximum SPL:
2.5 kohm: 163dB
1 kohm load: 155dB
Dynamic Range (maximum SPL to A-weighted noise level): 132dB (2.5 kohm load)
Signal-to-noise ratio: 63dB at 94dB SPL (IEC 651)
Polarity:
Positive pressure on microphone diaphragm produces positive voltage on pin 2 relative to pin 3 of preamplifier output connector
Recommended Operating Voltage: 11 to 52 Vdc Phantom
Environmental conditions: Operating temperatures: –7º C to 49º C (20º F to 120º F)
Storage temperatures: 29º C to +74º C (–20º F to 165º F)
Relative Humidity: 0 to 95%
Net Weight: Microphone with cable and preamplifier: 156 g (5.5 oz.)