Đặc điểm nổi bật Thông số kỹ thuật Thông số kỹ thuật Hỏi đáp và tư vấn

Thông số kỹ thuật

Modulation	Wideband FM
Frequency Band	GW1: (558 to 608 MHz)
Transmission Frequencies	Maximum 2000 frequencies, adjustable in 25 kHz steps 20 frequency banks, each with up to 32 factory-preset channels, no intermodulation 6 frequency banks with up to 32 programmable channels
Switching Bandwidth	Up to 50 MHz
Nominal/Peak Deviation	±24 kHz / ±48 kHz
Frequency Stability	≤ ±15 ppm
RF Output Power	At 50 Ohms Switchable: Low: Typical 10 mW Standard: Typical 30 mW High: Typical 50 mW
Pilot Tone Squelch	Can be switched off
Compander	Sennheiser HDX
AF Frequency Response	Mic: 80 Hz to 18 kHz Line: 25 Hz to 18 kHz
Signal to Noise Ratio	Approximately ≥ 115 dBA (1 mV, peak deviation)
Total Harmonic Distortion (THD)	≤ 0.9%
Maximum Input Voltage	Mic and Line: 3 V eff
Input Impedance	Microphone: 68 kOhms, unbalanced Line: 1 MOhms
Input Capacitance	Switchable
Input Sensitivity Range	60 dB, adjustable in 3 dB steps
Temperature Range	14 to 131°F (-10 to 55°C)
Power Supply	2 x AA batteries, 1.5 V or BA 2015 accupack
Nominal Voltage	3 V battery / 2.4 V rechargeable battery
Current Consumption	At Nominal Voltage: Typical 180 mA With Transmitter Switched Off: ≤ 25 μA
Operating Time	Typically 8 hours
Dimensions (L x W x H)	3.2 x 2.5 x 0.9" (82 x 64 x 24 mm)
Weight	5.6 oz (160 g) including batteries

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I. Giới thiệu bộ phát cài lưng Sennheiser SK 500 G4:

The SK 500 G4 Wireless Bodypack Transmitter from Sennheiser is the latest addition to their evolution series of wireless transmitters. It operates in the UHF frequency range and can be used with a companion receiver (sold separately), as part of a wireless RF transmission system for live stage, theater, film, and presentation applications.

The bodypack transmitter features 2000 frequencies that are tunable in 25 kHz steps, 20 fixed frequency banks, 32 compatible frequency presets, and 6 user banks with up to 32 user programmable frequencies. The transmitter's menu-driven backlit LCD display shows the current frequency, frequency bank and channel number, metering of AF level, lock status, transmission status, muting function, battery status, and more.

Bộ phát cài lưng Sennheiser SK 500 G4

In addition, the operating range is about 330'. This transmitter incorporates a Sennheiser HDX compander system, a defeatable pilot tone squelch, and is equipped with a frequency range from 80 Hz to 18 kHz. Finally, power is supplied by the two included 1.5V AA sized batteries, or by one optional Sennheiser BA 2015 rechargeable accupack. A travel pouch is also included.

Đặc điểm nổi bật bộ phát cài lưng micro không dây Sennheiser SK 500 G4

Powerful bodypack transmitter with increased bandwidth and transmission power
Easy and flexible wireless synchronization between transmitter and receiver via infrared
Up to 32 compatible channels
Up to 88 MHz bandwidth with 3520 selectable frequencies, fully tunable in a stable UHF range
Ethernet connection for Wireless Systems Manager (WSM) control software for advanced frequency coordination in multi-channel setups
High RF output power (up to 50 mW, adjustable in three steps 10/30/50) depending on country regulations

II. Thông số kĩ thuật bộ phát cài lưng Sennheiser SK 500 G4:

Modulation	Wideband FM
Frequency Band	GW1: (558 to 608 MHz)
Transmission Frequencies	Maximum 2000 frequencies, adjustable in 25 kHz steps 20 frequency banks, each with up to 32 factory-preset channels, no intermodulation 6 frequency banks with up to 32 programmable channels
Switching Bandwidth	Up to 50 MHz
Nominal/Peak Deviation	±24 kHz / ±48 kHz
Frequency Stability	≤ ±15 ppm
RF Output Power	At 50 Ohms Switchable: Low: Typical 10 mW Standard: Typical 30 mW High: Typical 50 mW
Pilot Tone Squelch	Can be switched off
Compander	Sennheiser HDX
AF Frequency Response	Mic: 80 Hz to 18 kHz Line: 25 Hz to 18 kHz
Signal to Noise Ratio	Approximately ≥ 115 dBA (1 mV, peak deviation)
Total Harmonic Distortion (THD)	≤ 0.9%
Maximum Input Voltage	Mic and Line: 3 V eff
Input Impedance	Microphone: 68 kOhms, unbalanced Line: 1 MOhms
Input Capacitance	Switchable
Input Sensitivity Range	60 dB, adjustable in 3 dB steps
Temperature Range	14 to 131°F (-10 to 55°C)
Power Supply	2 x AA batteries, 1.5 V or BA 2015 accupack
Nominal Voltage	3 V battery / 2.4 V rechargeable battery
Current Consumption	At Nominal Voltage: Typical 180 mA With Transmitter Switched Off: ≤ 25 μA
Operating Time	Typically 8 hours
Dimensions (L x W x H)	3.2 x 2.5 x 0.9" (82 x 64 x 24 mm)
Weight	5.6 oz (160 g) including batteries

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Đánh giá Bộ phát cài lưng Sennheiser SK 500 G4

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Thông số kỹ thuật

Modulation	Wideband FM
Frequency Band	GW1: (558 to 608 MHz)
Transmission Frequencies	Maximum 2000 frequencies, adjustable in 25 kHz steps 20 frequency banks, each with up to 32 factory-preset channels, no intermodulation 6 frequency banks with up to 32 programmable channels
Switching Bandwidth	Up to 50 MHz
Nominal/Peak Deviation	±24 kHz / ±48 kHz
Frequency Stability	≤ ±15 ppm
RF Output Power	At 50 Ohms Switchable: Low: Typical 10 mW Standard: Typical 30 mW High: Typical 50 mW
Pilot Tone Squelch	Can be switched off
Compander	Sennheiser HDX
AF Frequency Response	Mic: 80 Hz to 18 kHz Line: 25 Hz to 18 kHz
Signal to Noise Ratio	Approximately ≥ 115 dBA (1 mV, peak deviation)
Total Harmonic Distortion (THD)	≤ 0.9%
Maximum Input Voltage	Mic and Line: 3 V eff
Input Impedance	Microphone: 68 kOhms, unbalanced Line: 1 MOhms
Input Capacitance	Switchable
Input Sensitivity Range	60 dB, adjustable in 3 dB steps
Temperature Range	14 to 131°F (-10 to 55°C)
Power Supply	2 x AA batteries, 1.5 V or BA 2015 accupack
Nominal Voltage	3 V battery / 2.4 V rechargeable battery
Current Consumption	At Nominal Voltage: Typical 180 mA With Transmitter Switched Off: ≤ 25 μA
Operating Time	Typically 8 hours
Dimensions (L x W x H)	3.2 x 2.5 x 0.9" (82 x 64 x 24 mm)
Weight	5.6 oz (160 g) including batteries

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Thông số kỹ thuật chi tiết Bộ phát cài lưng Sennheiser SK 500 G4

Modulation	Wideband FM
Frequency Band	GW1: (558 to 608 MHz)
Transmission Frequencies	Maximum 2000 frequencies, adjustable in 25 kHz steps 20 frequency banks, each with up to 32 factory-preset channels, no intermodulation 6 frequency banks with up to 32 programmable channels
Switching Bandwidth	Up to 50 MHz
Nominal/Peak Deviation	±24 kHz / ±48 kHz
Frequency Stability	≤ ±15 ppm
RF Output Power	At 50 Ohms Switchable: Low: Typical 10 mW Standard: Typical 30 mW High: Typical 50 mW
Pilot Tone Squelch	Can be switched off
Compander	Sennheiser HDX
AF Frequency Response	Mic: 80 Hz to 18 kHz Line: 25 Hz to 18 kHz
Signal to Noise Ratio	Approximately ≥ 115 dBA (1 mV, peak deviation)
Total Harmonic Distortion (THD)	≤ 0.9%
Maximum Input Voltage	Mic and Line: 3 V eff
Input Impedance	Microphone: 68 kOhms, unbalanced Line: 1 MOhms
Input Capacitance	Switchable
Input Sensitivity Range	60 dB, adjustable in 3 dB steps
Temperature Range	14 to 131°F (-10 to 55°C)
Power Supply	2 x AA batteries, 1.5 V or BA 2015 accupack
Nominal Voltage	3 V battery / 2.4 V rechargeable battery
Current Consumption	At Nominal Voltage: Typical 180 mA With Transmitter Switched Off: ≤ 25 μA
Operating Time	Typically 8 hours
Dimensions (L x W x H)	3.2 x 2.5 x 0.9" (82 x 64 x 24 mm)
Weight	5.6 oz (160 g) including batteries