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ST-808 One Drag Eight Wireless Conference Microphone
Category:
Wireless conference microphone
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Detailed introduction
Parameters:
System indicators:
Frequency range: 640-690MHz
Modulation method: broadband FM
Adjustable range: 50MHz
Number of channels: 200
Channel interval: 250KHz
Frequency stability: within ± 0.005%
Dynamic range: > 100dB
Maximum frequency deviation: ± 45KHz
Audio response: 40Hz-18 KHz (± 3 dB)
Comprehensive signal-to-noise ratio:>105 dB
Comprehensive distortion: ≤ 0.5%
Working temperature: - 25 ℃ -+40 ℃
Acceptance index:
Receiver mode: secondary conversion superheterodyne
IF frequency: first IF: 110MHz, second IF: 10.7MHz
Wireless interface: BNC/50 Ω
Sensitivity: 12dB μ V(80dBS/N)
Sensitivity adjustment range: 12-32 dB μ V
Spurious suppression: ≥ 75dB
Maximum output level:+10dBV
Transmitter indicators:
Antenna program: built-in spiral antenna
Output power: high power 30mW; Low power 3mW
Spurious suppression: - 45dB
Power supply: three AA batteries
Usage time: more than 8 hours at 30mW, more than 12 hours at 3mW




















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