I. Đặc tính của bộ phát không dây Sennheiser SKP 500 G4:
The EK IEM G4 Stereo Bodypack Receiver with IE4 Earphones from Sennheiser is an addition to their evolution series of wireless systems. It features adaptive diversity technology and can be used when paired with a companion transmitter as part of a wireless RF monitoring system for live stage, theater, and rehearsal applications.
The stereo receiver is equipped with 1680 frequencies tunable in 25 MHz steps and has 20 fixed frequency banks with up to 16 compatible frequency presets and another 6 user banks with up to 16 user-programmable frequencies. The receiver's menu-driven backlit display shows current frequency, frequency bank and channel number, metering of RF level, metering of AF level, lock status, and battery status. An auto-lock feature is provided to prevent settings from being accidentally altered.
Furthermore, this receiver includes a switchable high-boost and a multi-level limiter. The limiter is adjustable from -18 dB to -6 dB in 6 dB steps or defeatable (off). Built in a rugged metal housing, it is powered by two 1.5V AA sized batteries or by a Sennheiser BA 2015 rechargeable accupack. The earphone output uses a 3.5mm stereo jack socket.
Tính năng của bộ phát của micro không dây Sennheiser SKP 500 G4
- Robust bodypack receiver delivering clarity along the whole frequency spectrum for daily use on stage
- Easy and flexible wireless synchronization between transmitter and receiver via infrared
- Compatible with Sennheiser WSM control software for flexible frequency allocation
- Up to 16 compatible channels
- Up to 42 MHz bandwidth with 1680 selectable frequencies, fully tunable in a stable UHF range
- Transmission Range: up to 100 meters / 300 feet
- High RF output power (up to 50 mW) depending on country regulations
II. Thông số kĩ thuật bộ phát không dây Sennheiser SKP 500 G4:
| Frequency Band |
G: 558 to 608 MHz |
| Receiving Frequency |
Maximum 1680 receiving frequencies, adjustable in 25 MHz steps
20 frequency banks, each with up to 16 factory-preset channels, no intermodulation
6 frequency banks with up to 16 programmable channels |
| Switching Bandwidth |
Up to 42 MHz |
| Nominal/Peak Deviation |
±24 kHz / ±48 kHz |
| Receiver Type |
Adaptive diversity |
| Sensitivity |
< 4 μV, typ. 1.6 μV for 52 dBA (with HDX, peak deviation) rms s/n |
| Adjacent Channel Selectivity |
Typically ≥ 65 dB |
| Intermodulation Attenuation |
Typically ≥ 70 dB |
| Blocking |
≥ 80 dB |
| Pilot Tone |
Squelch: Can be switched off |
| Squelch |
5 to 25 dBµV, adjustable in steps of 2 dB |
| Compander |
Sennheiser HDX |
| Signal to Noise Ratio |
Approximately 90 dBA (1 mV, peak deviation |
| Total Harmonic Distortion (THD) |
≤ 0.9% |
| Audio Output Power |
2 x 100 mW at 32 Ohms (@ 2.4 V, 5% THD, nominal deviation) |
| Quality Setting Range |
+8 dB at 80 kHz |
| Limiter |
-18 dB to -6 dB, adjustable in steps of 6 dB, can be switched off |
| Temperature Range |
14 to 131°F / -10 to 55°C |
| Power Supply |
2 x AA batteries, 1.5 V or BA 2015 accupack |
| Current Consumption |
At Nominal Voltage: Approximately 140 mA
With Transmitter Switched Off: ≤ 25 µA |
| Operating Time |
Approximately 4 to 6 hours (depending on volume level) |
| Dimensions (W x L x H) |
3.2 x 2.5 x 0.9" / 82 x 64 x 24 mm |
| Weight |
4.4 oz / 125 g |
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