JB Systems WBS-20

JB Systems UHF wireless microphone set incl. WPB-20 pocket transmitter and clip-on microphone (Electret condenser).

Features JB Systems WBS-20

• Pocket transmitter and hand microphone can both be operated with rechargeable batteries
• Pocket transmitter input with line/micro switch. Can be used as a guitar transmitter
• Diversity reception for greater stability and avoiding signal dropouts
• Adjustable squelch for consistent reception without unwanted noise
• Sound squelch for improved reliability
• 16 frequencies selectable via PLL synthesizer: 4 or 5 sets can be used simultaneously
• Antennas on the front panel to facilitate mounting in the flight case
• Balanced XLR and unbalanced jack output
• Frequency range: 863-865 MHz (toll-free use in most European countries)

Technical Data Receiver

• Carrier frequency range: UHF band
• Frequency stability: +/-0.005%.
• Receive sensitivity: 5 dBµV Signal-to-noise ratio > 80dB
• Suppression of the mirror and interfering signals: at least 80 dB
• selectivity: > 50dB
• Modulation mode: FM
• Receiver type: Oscillation mode: PLL Synthesized; Switching diversity
• Intermediate frequency: 1.56MHz ~ 2.10,7 MHz
• Sound signal: 32.768 KHz
• Signal-to-noise ratio: > 94dB, 48KHz deviation & 60dBµV antenna input
• Frequency range: 80 Hz to 15 KHz +/- 3dB
• Distortion factor (T. H. D.): Less than 1.0% (at 1KHz)
• Power supply: GS 12V ~ 18V
• Audio Output: Balanced & Asymmetrical Outputs (Micro = -20dB / Line = 0dB)
• Power consumption: 130mA +/- 10mA

Technical Data Pocket Transmitter

• Carrier frequency: UHF band
• Radio frequency power output: 10mW max.
• Oscillation mode: PLL Sysnthesized, 16 channels to choose from
• Frequency stability: +/-0.005%.
• Maximum deviation: +/-20 KHz with compressor/limiter
• Secondary emission: > 60dB at carrier frequency
• Microphone capsule: Electret Condenser Directional Microphone
• Power consumption: 120mA