I. Bộ phát Sennheiser SK 100 G4
The SK 100 G4 Wireless Bodypack Transmitter from Sennheiser is the latest addition to their evolution family of wireless microphones. It features true diversity technology and can be used when paired with a companion receiver and microphone, as part of a wireless RF transmission system for live stage, theater, presentation, and rehearsal applications.
The transmitter features 1680 frequencies tunable in 25 kHz steps with 20 fixed frequency banks and up to 12 compatible frequency presets. There is 1 user bank with up to 12 user programmable frequencies. The transmitter's menu-driven backlit display shows current frequency, frequency band and channel number, metering of AF level, transmission status, battery status, and more.
Furthermore, the transmitter is equipped with a mute switch and is powered by two 1.5V AA size batteries or by one Sennheiser BA 2015 rechargeable accupack. It is built with a rugged metal housing. The SK 100 G4 transmitter will operate about 8 hours and is equipped with a 1/8" line/mic input jack. With 25 Hz to 18 kHz AF frequency response, the SK 100 G4 is designed to deliver a natural audio quality.
Đặc điểm bộ phát micro không dây Sennheiser SK 100 G4
- Robust bodypack transmitter for daily use on stage.
- Easy and flexible wireless synchronization between transmitter and receiver via infrared.
- Fast frequency allocation for up to 12 receivers via updated linking functionality.
- Up to 20 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'
- High RF output power (up to 30 mW) depending on country regulations.
II. Thông số kĩ thuật Bộ phát Sennheiser SK 100 G4
| Dimensions |
Approx. 82 x 64 x 24 mm |
| Compander |
Sennheiser HDX |
| THD, total harmonic distortion |
≤ 0.9 % |
| Weight |
(incl. batteries) approx. 160 g |
| Signal-to-noise ratio |
≥ 110 dBA |
| RF output power |
Max. 30 mW |
| Switching bandwidth |
up to 42 MHz |
| Peak deviation |
±48 kHz |
| Nominal deviation |
±24 kHz |
| Operating time |
Typically 8 h |
| Modulation |
Wideband FM |
| Power supply |
2 AA batteries, 1.5 V or BA 2015 accupack |
| Current consumption |
at nominal voltage: typ. 180 mA
with transmitter switched off: ≤ 25 µA |
| Input impedance |
40 kΩ, unbalanced / 1 MΩ |
| Max. Input voltage |
3 Veff |
| Powering |
3 V battery / 2.4 V rechargeable battery |
| Transmission frequency |
Max. 1680 transmitting frequencies, adjustable in 25 kHz steps 20 frequency banks, each with up to 12 factory-preset channels, no intermodulation 1 frequency bank with up to 12 programmable channels |
| AF frequency response |
Mic: 80 – 18,000, Hz Line: 25 – 18,000 Hz |
| Temperature Range |
-10 °C to +55 °C |
| Frequency stability |
≤ ±15 ppm |