Samson AirLine 77 Wind Instrument True Diversity UHF Wireless System (K2: 490.975 MHz)
Model: SW7AVSW4-K2
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Specifications
Transmitter
Operating Power | 1.5 V typical, 1.05 V minimum, 2 V maximum |
Current Consumption | 60 mA typical |
Battery Life | 14 hours (AAA size battery) |
RF Output Power | 5 mW (-4 dB minimum, +3 dB maximum) |
Frequency Stability | -40 kHz minimum, 40 kHz maximum |
Spurious | 1 µW |
Modulation | 13 kHz minimum, 15 kHz typical, 17 kHz maximum, input 1 kHz-20 dBv |
Input Impedance | Microphone: 2 kOhms |
Total Harmonic Distortion (THD) | <2% (1 kHz deviation 15 kHz) |
Audio Frequency Response | 50 Hz to 15 kHz (±3.5 dB) |
Controls | Power switch, mute switch volume |
Input | 2.5mm Stereo Jack |
Indicators | Power on (LED flash), low battery (LED on) |
Dimensions | Not specified by manufacturer |
Weight | Not specified by manufacturer |
Receiver
Signal to Noise Ratio | 90 dB (with IHF-A filter) |
Residual Noise | 90 dBv (with IHF-A filter) |
Receiving Frequency | K2: 490.975 MHz |
Audio Output Level | Unbalanced: 0 dBv Balanced (slide switch selectable): -20 dBm (line), -40 dBm (mic) |
Audio Output Impedance | Unbalanced: 5 kOhms Balanced: 600 Ohms |
AF Frequency Response | 50 Hz to 15 kHz (±3 dB overall) |
Oscillation Type | PLL |
De-Emphasis | 50 ms |
IF Frequency | 10.7 MHz |
Antennas | 1/4 wavelength rod |
In/Out | DC inlet XLR balanced output 1/4" (6.3 mm) unbalanced output |
LED Display | Receiver A/B (green), power on (red), AF level (6 segment), RF level (6 segment) |
Level Control | Audio level volume, squelch level control |
Operating Temperature | 32 to 122°F (0 to 50°C) |
Operating Voltage | 12 VDC ±10% |
Current Consumption | 160 mA (all LED lights illuminated) |
Sensitivity | 18 dBm (@ THD 2%) |
Squelch | Sensitivity: 0 to 40 dBm (adjustable) |
Selectivity | ±150 kHz (AF Out ratio -60 dB) |
Total Harmonic Distortion (THD) | 1% max (@ AF 1 kHz, RF 46 dBu) |
- HM40 Wind Microphone
- CR77 UHF Diversity Receiver
- 14 Hours with AAA Battery
- XLR and 1/4" Phone Outputs
- PLL Synthesized Tuning
- Frequency K2: 490.975 MHz
- Samson AirLine 77 Wind Instrument True Diversity UHF Wireless System (K2: 490.975 MHz)
- CR77 UHF Diversity Receiver
- AH1 Transmitter / HM40 Horn Mic
- Horn Bell Clamp
- AC Power Supply
- 1/4" to 1/4" Phone Cable
- Limited 2-Year Warranty